| File: | src/lib/libc/stdio/vfprintf.c |
| Warning: | line 1204, column 8 Value stored to 'cp' is never read |
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| 1 | /* $OpenBSD: vfprintf.c,v 1.81 2021/09/08 15:57:27 jca Exp $ */ |
| 2 | /*- |
| 3 | * Copyright (c) 1990 The Regents of the University of California. |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * This code is derived from software contributed to Berkeley by |
| 7 | * Chris Torek. |
| 8 | * |
| 9 | * Redistribution and use in source and binary forms, with or without |
| 10 | * modification, are permitted provided that the following conditions |
| 11 | * are met: |
| 12 | * 1. Redistributions of source code must retain the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer. |
| 14 | * 2. Redistributions in binary form must reproduce the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer in the |
| 16 | * documentation and/or other materials provided with the distribution. |
| 17 | * 3. Neither the name of the University nor the names of its contributors |
| 18 | * may be used to endorse or promote products derived from this software |
| 19 | * without specific prior written permission. |
| 20 | * |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 31 | * SUCH DAMAGE. |
| 32 | */ |
| 33 | |
| 34 | /* |
| 35 | * Actual printf innards. |
| 36 | * |
| 37 | * This code is large and complicated... |
| 38 | */ |
| 39 | |
| 40 | #include <sys/types.h> |
| 41 | #include <sys/mman.h> |
| 42 | |
| 43 | #include <errno(*__errno()).h> |
| 44 | #include <langinfo.h> |
| 45 | #include <limits.h> |
| 46 | #include <stdarg.h> |
| 47 | #include <stddef.h> |
| 48 | #include <stdio.h> |
| 49 | #include <stdint.h> |
| 50 | #include <stdlib.h> |
| 51 | #include <string.h> |
| 52 | #include <unistd.h> |
| 53 | #include <syslog.h> |
| 54 | #include <wchar.h> |
| 55 | |
| 56 | #include "local.h" |
| 57 | #include "fvwrite.h" |
| 58 | |
| 59 | union arg { |
| 60 | int intarg; |
| 61 | unsigned int uintarg; |
| 62 | long longarg; |
| 63 | unsigned long ulongarg; |
| 64 | long long longlongarg; |
| 65 | unsigned long long ulonglongarg; |
| 66 | ptrdiff_t ptrdiffarg; |
| 67 | size_t sizearg; |
| 68 | ssize_t ssizearg; |
| 69 | intmax_t intmaxarg; |
| 70 | uintmax_t uintmaxarg; |
| 71 | void *pvoidarg; |
| 72 | char *pchararg; |
| 73 | signed char *pschararg; |
| 74 | short *pshortarg; |
| 75 | int *pintarg; |
| 76 | long *plongarg; |
| 77 | long long *plonglongarg; |
| 78 | ptrdiff_t *pptrdiffarg; |
| 79 | ssize_t *pssizearg; |
| 80 | intmax_t *pintmaxarg; |
| 81 | #ifdef FLOATING_POINT1 |
| 82 | double doublearg; |
| 83 | long double longdoublearg; |
| 84 | #endif |
| 85 | #ifdef PRINTF_WIDE_CHAR1 |
| 86 | wint_t wintarg; |
| 87 | wchar_t *pwchararg; |
| 88 | #endif |
| 89 | }; |
| 90 | |
| 91 | static int __find_arguments(const char *fmt0, va_list ap, union arg **argtable, |
| 92 | size_t *argtablesiz); |
| 93 | static int __grow_type_table(unsigned char **typetable, int *tablesize); |
| 94 | |
| 95 | /* |
| 96 | * Flush out all the vectors defined by the given uio, |
| 97 | * then reset it so that it can be reused. |
| 98 | */ |
| 99 | static int |
| 100 | __sprint(FILE *fp, struct __suio *uio) |
| 101 | { |
| 102 | int err; |
| 103 | |
| 104 | if (uio->uio_resid == 0) { |
| 105 | uio->uio_iovcnt = 0; |
| 106 | return (0); |
| 107 | } |
| 108 | err = __sfvwrite(fp, uio); |
| 109 | uio->uio_resid = 0; |
| 110 | uio->uio_iovcnt = 0; |
| 111 | return (err); |
| 112 | } |
| 113 | |
| 114 | /* |
| 115 | * Helper function for `fprintf to unbuffered unix file': creates a |
| 116 | * temporary buffer. We only work on write-only files; this avoids |
| 117 | * worries about ungetc buffers and so forth. |
| 118 | */ |
| 119 | static int |
| 120 | __sbprintf(FILE *fp, const char *fmt, va_list ap) |
| 121 | { |
| 122 | int ret; |
| 123 | FILE fake; |
| 124 | struct __sfileext fakeext; |
| 125 | unsigned char buf[BUFSIZ1024]; |
| 126 | |
| 127 | _FILEEXT_SETUP(&fake, &fakeext)do { (&fake)->_ext._base = (unsigned char *)(&fakeext ); do { ((struct __sfileext *)((&fake)->_ext._base))-> _ub._base = ((void*)0); ((struct __sfileext *)((&fake)-> _ext._base))->_ub._size = 0; memset(&(((struct __sfileext *)((&fake)->_ext._base))->_wcio), 0, sizeof(struct wchar_io_data)); } while (0); } while (0); |
| 128 | /* copy the important variables */ |
| 129 | fake._flags = fp->_flags & ~__SNBF0x0002; |
| 130 | fake._file = fp->_file; |
| 131 | fake._cookie = fp->_cookie; |
| 132 | fake._write = fp->_write; |
| 133 | |
| 134 | /* set up the buffer */ |
| 135 | fake._bf._base = fake._p = buf; |
| 136 | fake._bf._size = fake._w = sizeof(buf); |
| 137 | fake._lbfsize = 0; /* not actually used, but Just In Case */ |
| 138 | |
| 139 | /* do the work, then copy any error status */ |
| 140 | ret = __vfprintf(&fake, fmt, ap); |
| 141 | if (ret >= 0 && __sflush(&fake)) |
| 142 | ret = EOF(-1); |
| 143 | if (fake._flags & __SERR0x0040) |
| 144 | fp->_flags |= __SERR0x0040; |
| 145 | return (ret); |
| 146 | } |
| 147 | |
| 148 | #ifdef PRINTF_WIDE_CHAR1 |
| 149 | /* |
| 150 | * Convert a wide character string argument for the %ls format to a multibyte |
| 151 | * string representation. If not -1, prec specifies the maximum number of |
| 152 | * bytes to output, and also means that we can't assume that the wide char |
| 153 | * string is null-terminated. |
| 154 | */ |
| 155 | static char * |
| 156 | __wcsconv(wchar_t *wcsarg, int prec) |
| 157 | { |
| 158 | mbstate_t mbs; |
| 159 | char buf[MB_LEN_MAX4]; |
| 160 | wchar_t *p; |
| 161 | char *convbuf; |
| 162 | size_t clen, nbytes; |
| 163 | |
| 164 | /* Allocate space for the maximum number of bytes we could output. */ |
| 165 | if (prec < 0) { |
| 166 | memset(&mbs, 0, sizeof(mbs)); |
| 167 | p = wcsarg; |
| 168 | nbytes = wcsrtombs(NULL((void*)0), (const wchar_t **)&p, 0, &mbs); |
| 169 | if (nbytes == (size_t)-1) |
| 170 | return (NULL((void*)0)); |
| 171 | } else { |
| 172 | /* |
| 173 | * Optimisation: if the output precision is small enough, |
| 174 | * just allocate enough memory for the maximum instead of |
| 175 | * scanning the string. |
| 176 | */ |
| 177 | if (prec < 128) |
| 178 | nbytes = prec; |
| 179 | else { |
| 180 | nbytes = 0; |
| 181 | p = wcsarg; |
| 182 | memset(&mbs, 0, sizeof(mbs)); |
| 183 | for (;;) { |
| 184 | clen = wcrtomb(buf, *p++, &mbs); |
| 185 | if (clen == 0 || clen == (size_t)-1 || |
| 186 | nbytes + clen > (size_t)prec) |
| 187 | break; |
| 188 | nbytes += clen; |
| 189 | } |
| 190 | if (clen == (size_t)-1) |
| 191 | return (NULL((void*)0)); |
| 192 | } |
| 193 | } |
| 194 | if ((convbuf = malloc(nbytes + 1)) == NULL((void*)0)) |
| 195 | return (NULL((void*)0)); |
| 196 | |
| 197 | /* Fill the output buffer. */ |
| 198 | p = wcsarg; |
| 199 | memset(&mbs, 0, sizeof(mbs)); |
| 200 | if ((nbytes = wcsrtombs(convbuf, (const wchar_t **)&p, |
| 201 | nbytes, &mbs)) == (size_t)-1) { |
| 202 | free(convbuf); |
| 203 | return (NULL((void*)0)); |
| 204 | } |
| 205 | convbuf[nbytes] = '\0'; |
| 206 | return (convbuf); |
| 207 | } |
| 208 | #endif |
| 209 | |
| 210 | #ifdef FLOATING_POINT1 |
| 211 | #include <float.h> |
| 212 | #include <locale.h> |
| 213 | #include <math.h> |
| 214 | #include "floatio.h" |
| 215 | #include "gdtoa.h" |
| 216 | |
| 217 | #define DEFPREC6 6 |
| 218 | |
| 219 | static int exponent(char *, int, int); |
| 220 | #endif /* FLOATING_POINT */ |
| 221 | |
| 222 | /* |
| 223 | * The size of the buffer we use as scratch space for integer |
| 224 | * conversions, among other things. Technically, we would need the |
| 225 | * most space for base 10 conversions with thousands' grouping |
| 226 | * characters between each pair of digits. 100 bytes is a |
| 227 | * conservative overestimate even for a 128-bit uintmax_t. |
| 228 | */ |
| 229 | #define BUF100 100 |
| 230 | |
| 231 | #define STATIC_ARG_TBL_SIZE8 8 /* Size of static argument table. */ |
| 232 | |
| 233 | |
| 234 | /* |
| 235 | * Macros for converting digits to letters and vice versa |
| 236 | */ |
| 237 | #define to_digit(c)((c) - '0') ((c) - '0') |
| 238 | #define is_digit(c)((unsigned)((c) - '0') <= 9) ((unsigned)to_digit(c)((c) - '0') <= 9) |
| 239 | #define to_char(n)((n) + '0') ((n) + '0') |
| 240 | |
| 241 | /* |
| 242 | * Flags used during conversion. |
| 243 | */ |
| 244 | #define ALT0x0001 0x0001 /* alternate form */ |
| 245 | #define LADJUST0x0004 0x0004 /* left adjustment */ |
| 246 | #define LONGDBL0x0008 0x0008 /* long double */ |
| 247 | #define LONGINT0x0010 0x0010 /* long integer */ |
| 248 | #define LLONGINT0x0020 0x0020 /* long long integer */ |
| 249 | #define SHORTINT0x0040 0x0040 /* short integer */ |
| 250 | #define ZEROPAD0x0080 0x0080 /* zero (as opposed to blank) pad */ |
| 251 | #define FPT0x0100 0x0100 /* Floating point number */ |
| 252 | #define PTRINT0x0200 0x0200 /* (unsigned) ptrdiff_t */ |
| 253 | #define SIZEINT0x0400 0x0400 /* (signed) size_t */ |
| 254 | #define CHARINT0x0800 0x0800 /* 8 bit integer */ |
| 255 | #define MAXINT0x1000 0x1000 /* largest integer size (intmax_t) */ |
| 256 | |
| 257 | int |
| 258 | vfprintf(FILE *fp, const char *fmt0, __va_list ap) |
| 259 | { |
| 260 | int ret; |
| 261 | |
| 262 | FLOCKFILE(fp)do { if (_thread_cb.tc_flockfile != ((void*)0)) _thread_cb.tc_flockfile (fp); } while (0); |
| 263 | ret = __vfprintf(fp, fmt0, ap); |
| 264 | FUNLOCKFILE(fp)do { if (_thread_cb.tc_funlockfile != ((void*)0)) _thread_cb. tc_funlockfile(fp); } while (0); |
| 265 | return (ret); |
| 266 | } |
| 267 | DEF_STRONG(vfprintf)__asm__(".global " "vfprintf" " ; " "vfprintf" " = " "_libc_vfprintf" ); |
| 268 | |
| 269 | int |
| 270 | __vfprintf(FILE *fp, const char *fmt0, __va_list ap) |
| 271 | { |
| 272 | char *fmt; /* format string */ |
| 273 | int ch; /* character from fmt */ |
| 274 | int n, n2; /* handy integers (short term usage) */ |
| 275 | char *cp; /* handy char pointer (short term usage) */ |
| 276 | struct __siov *iovp; /* for PRINT macro */ |
| 277 | int flags; /* flags as above */ |
| 278 | int ret; /* return value accumulator */ |
| 279 | int width; /* width from format (%8d), or 0 */ |
| 280 | int prec; /* precision from format; <0 for N/A */ |
| 281 | char sign; /* sign prefix (' ', '+', '-', or \0) */ |
| 282 | #ifdef FLOATING_POINT1 |
| 283 | /* |
| 284 | * We can decompose the printed representation of floating |
| 285 | * point numbers into several parts, some of which may be empty: |
| 286 | * |
| 287 | * [+|-| ] [0x|0X] MMM . NNN [e|E|p|P] [+|-] ZZ |
| 288 | * A B ---C--- D E F |
| 289 | * |
| 290 | * A: 'sign' holds this value if present; '\0' otherwise |
| 291 | * B: ox[1] holds the 'x' or 'X'; '\0' if not hexadecimal |
| 292 | * C: cp points to the string MMMNNN. Leading and trailing |
| 293 | * zeros are not in the string and must be added. |
| 294 | * D: expchar holds this character; '\0' if no exponent, e.g. %f |
| 295 | * F: at least two digits for decimal, at least one digit for hex |
| 296 | */ |
| 297 | char *decimal_point = NULL((void*)0); |
| 298 | int signflag; /* true if float is negative */ |
| 299 | union { /* floating point arguments %[aAeEfFgG] */ |
| 300 | double dbl; |
| 301 | long double ldbl; |
| 302 | } fparg; |
| 303 | int expt; /* integer value of exponent */ |
| 304 | char expchar; /* exponent character: [eEpP\0] */ |
| 305 | char *dtoaend; /* pointer to end of converted digits */ |
| 306 | int expsize; /* character count for expstr */ |
| 307 | int lead; /* sig figs before decimal or group sep */ |
| 308 | int ndig; /* actual number of digits returned by dtoa */ |
| 309 | char expstr[MAXEXPDIG6+2]; /* buffer for exponent string: e+ZZZ */ |
| 310 | char *dtoaresult = NULL((void*)0); |
| 311 | #endif |
| 312 | |
| 313 | uintmax_t _umax; /* integer arguments %[diouxX] */ |
| 314 | enum { OCT, DEC, HEX } base; /* base for %[diouxX] conversion */ |
| 315 | int dprec; /* a copy of prec if %[diouxX], 0 otherwise */ |
| 316 | int realsz; /* field size expanded by dprec */ |
| 317 | int size; /* size of converted field or string */ |
| 318 | const char *xdigs; /* digits for %[xX] conversion */ |
| 319 | #define NIOV8 8 |
| 320 | struct __suio uio; /* output information: summary */ |
| 321 | struct __siov iov[NIOV8];/* ... and individual io vectors */ |
| 322 | char buf[BUF100]; /* buffer with space for digits of uintmax_t */ |
| 323 | char ox[2]; /* space for 0x; ox[1] is either x, X, or \0 */ |
| 324 | union arg *argtable; /* args, built due to positional arg */ |
| 325 | union arg statargtable[STATIC_ARG_TBL_SIZE8]; |
| 326 | size_t argtablesiz; |
| 327 | int nextarg; /* 1-based argument index */ |
| 328 | va_list orgap; /* original argument pointer */ |
| 329 | #ifdef PRINTF_WIDE_CHAR1 |
| 330 | char *convbuf; /* buffer for wide to multi-byte conversion */ |
| 331 | #endif |
| 332 | |
| 333 | /* |
| 334 | * Choose PADSIZE to trade efficiency vs. size. If larger printf |
| 335 | * fields occur frequently, increase PADSIZE and make the initialisers |
| 336 | * below longer. |
| 337 | */ |
| 338 | #define PADSIZE16 16 /* pad chunk size */ |
| 339 | static char blanks[PADSIZE16] = |
| 340 | {' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' '}; |
| 341 | static char zeroes[PADSIZE16] = |
| 342 | {'0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0'}; |
| 343 | |
| 344 | static const char xdigs_lower[16] = "0123456789abcdef"; |
| 345 | static const char xdigs_upper[16] = "0123456789ABCDEF"; |
| 346 | |
| 347 | /* |
| 348 | * BEWARE, these `goto error' on error, and PAD uses `n'. |
| 349 | */ |
| 350 | #define PRINT(ptr, len)do { iovp->iov_base = (ptr); iovp->iov_len = (len); uio .uio_resid += (len); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while ( 0) do { \ |
| 351 | iovp->iov_base = (ptr); \ |
| 352 | iovp->iov_len = (len); \ |
| 353 | uio.uio_resid += (len); \ |
| 354 | iovp++; \ |
| 355 | if (++uio.uio_iovcnt >= NIOV8) { \ |
| 356 | if (__sprint(fp, &uio)) \ |
| 357 | goto error; \ |
| 358 | iovp = iov; \ |
| 359 | } \ |
| 360 | } while (0) |
| 361 | #define PAD(howmany, with)do { if ((n = (howmany)) > 0) { while (n > 16) { do { iovp ->iov_base = (with); iovp->iov_len = (16); uio.uio_resid += (16); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint (fp, &uio)) goto error; iovp = iov; } } while (0); n -= 16 ; } do { iovp->iov_base = (with); iovp->iov_len = (n); uio .uio_resid += (n); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while ( 0); } } while (0) do { \ |
| 362 | if ((n = (howmany)) > 0) { \ |
| 363 | while (n > PADSIZE16) { \ |
| 364 | PRINT(with, PADSIZE)do { iovp->iov_base = (with); iovp->iov_len = (16); uio .uio_resid += (16); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while ( 0); \ |
| 365 | n -= PADSIZE16; \ |
| 366 | } \ |
| 367 | PRINT(with, n)do { iovp->iov_base = (with); iovp->iov_len = (n); uio. uio_resid += (n); iovp++; if (++uio.uio_iovcnt >= 8) { if ( __sprint(fp, &uio)) goto error; iovp = iov; } } while (0); \ |
| 368 | } \ |
| 369 | } while (0) |
| 370 | #define PRINTANDPAD(p, ep, len, with)do { n2 = (ep) - (p); if (n2 > (len)) n2 = (len); if (n2 > 0) do { iovp->iov_base = ((p)); iovp->iov_len = (n2); uio .uio_resid += (n2); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while ( 0); do { if ((n = ((len) - (n2 > 0 ? n2 : 0))) > 0) { while (n > 16) { do { iovp->iov_base = ((with)); iovp->iov_len = (16); uio.uio_resid += (16); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while (0); n -= 16; } do { iovp->iov_base = ((with)); iovp ->iov_len = (n); uio.uio_resid += (n); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov ; } } while (0); } } while (0); } while(0) do { \ |
| 371 | n2 = (ep) - (p); \ |
| 372 | if (n2 > (len)) \ |
| 373 | n2 = (len); \ |
| 374 | if (n2 > 0) \ |
| 375 | PRINT((p), n2)do { iovp->iov_base = ((p)); iovp->iov_len = (n2); uio. uio_resid += (n2); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while ( 0); \ |
| 376 | PAD((len) - (n2 > 0 ? n2 : 0), (with))do { if ((n = ((len) - (n2 > 0 ? n2 : 0))) > 0) { while (n > 16) { do { iovp->iov_base = ((with)); iovp->iov_len = (16); uio.uio_resid += (16); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while (0); n -= 16; } do { iovp->iov_base = ((with)); iovp ->iov_len = (n); uio.uio_resid += (n); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov ; } } while (0); } } while (0); \ |
| 377 | } while(0) |
| 378 | #define FLUSH()do { if (uio.uio_resid && __sprint(fp, &uio)) goto error; uio.uio_iovcnt = 0; iovp = iov; } while (0) do { \ |
| 379 | if (uio.uio_resid && __sprint(fp, &uio)) \ |
| 380 | goto error; \ |
| 381 | uio.uio_iovcnt = 0; \ |
| 382 | iovp = iov; \ |
| 383 | } while (0) |
| 384 | |
| 385 | /* |
| 386 | * To extend shorts properly, we need both signed and unsigned |
| 387 | * argument extraction methods. |
| 388 | */ |
| 389 | #define SARG()((intmax_t)(flags&0x1000 ? ((argtable != ((void*)0)) ? *( (intmax_t*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, intmax_t))) : flags&0x0020 ? ((argtable != ((void*)0 )) ? *((long long*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, long long))) : flags&0x0010 ? ((argtable != ((void*) 0)) ? *((long*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, long))) : flags&0x0200 ? ((argtable != ((void*)0)) ? *((ptrdiff_t*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, ptrdiff_t))) : flags&0x0400 ? ((argtable != ((void*) 0)) ? *((ssize_t*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, ssize_t))) : flags&0x0040 ? (short)((argtable != ((void *)0)) ? *((int*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, int))) : flags&0x0800 ? (signed char)((argtable != ( (void*)0)) ? *((int*)(&argtable[nextarg++])) : (nextarg++ , __builtin_va_arg(ap, int))) : ((argtable != ((void*)0)) ? * ((int*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, int))))) \ |
| 390 | ((intmax_t)(flags&MAXINT0x1000 ? GETARG(intmax_t)((argtable != ((void*)0)) ? *((intmax_t*)(&argtable[nextarg ++])) : (nextarg++, __builtin_va_arg(ap, intmax_t))) : \ |
| 391 | flags&LLONGINT0x0020 ? GETARG(long long)((argtable != ((void*)0)) ? *((long long*)(&argtable[nextarg ++])) : (nextarg++, __builtin_va_arg(ap, long long))) : \ |
| 392 | flags&LONGINT0x0010 ? GETARG(long)((argtable != ((void*)0)) ? *((long*)(&argtable[nextarg++ ])) : (nextarg++, __builtin_va_arg(ap, long))) : \ |
| 393 | flags&PTRINT0x0200 ? GETARG(ptrdiff_t)((argtable != ((void*)0)) ? *((ptrdiff_t*)(&argtable[nextarg ++])) : (nextarg++, __builtin_va_arg(ap, ptrdiff_t))) : \ |
| 394 | flags&SIZEINT0x0400 ? GETARG(ssize_t)((argtable != ((void*)0)) ? *((ssize_t*)(&argtable[nextarg ++])) : (nextarg++, __builtin_va_arg(ap, ssize_t))) : \ |
| 395 | flags&SHORTINT0x0040 ? (short)GETARG(int)((argtable != ((void*)0)) ? *((int*)(&argtable[nextarg++] )) : (nextarg++, __builtin_va_arg(ap, int))) : \ |
| 396 | flags&CHARINT0x0800 ? (signed char)GETARG(int)((argtable != ((void*)0)) ? *((int*)(&argtable[nextarg++] )) : (nextarg++, __builtin_va_arg(ap, int))) : \ |
| 397 | GETARG(int)((argtable != ((void*)0)) ? *((int*)(&argtable[nextarg++] )) : (nextarg++, __builtin_va_arg(ap, int))))) |
| 398 | #define UARG()((uintmax_t)(flags&0x1000 ? ((argtable != ((void*)0)) ? * ((uintmax_t*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, uintmax_t))) : flags&0x0020 ? ((argtable != ((void*) 0)) ? *((unsigned long long*)(&argtable[nextarg++])) : (nextarg ++, __builtin_va_arg(ap, unsigned long long))) : flags&0x0010 ? ((argtable != ((void*)0)) ? *((unsigned long*)(&argtable [nextarg++])) : (nextarg++, __builtin_va_arg(ap, unsigned long ))) : flags&0x0200 ? (uintptr_t)((argtable != ((void*)0)) ? *((ptrdiff_t*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, ptrdiff_t))) : flags&0x0400 ? ((argtable != ((void*) 0)) ? *((size_t*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, size_t))) : flags&0x0040 ? (unsigned short)((argtable != ((void*)0)) ? *((int*)(&argtable[nextarg++])) : (nextarg ++, __builtin_va_arg(ap, int))) : flags&0x0800 ? (unsigned char)((argtable != ((void*)0)) ? *((int*)(&argtable[nextarg ++])) : (nextarg++, __builtin_va_arg(ap, int))) : ((argtable != ((void*)0)) ? *((unsigned int*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg(ap, unsigned int))))) \ |
| 399 | ((uintmax_t)(flags&MAXINT0x1000 ? GETARG(uintmax_t)((argtable != ((void*)0)) ? *((uintmax_t*)(&argtable[nextarg ++])) : (nextarg++, __builtin_va_arg(ap, uintmax_t))) : \ |
| 400 | flags&LLONGINT0x0020 ? GETARG(unsigned long long)((argtable != ((void*)0)) ? *((unsigned long long*)(&argtable [nextarg++])) : (nextarg++, __builtin_va_arg(ap, unsigned long long))) : \ |
| 401 | flags&LONGINT0x0010 ? GETARG(unsigned long)((argtable != ((void*)0)) ? *((unsigned long*)(&argtable[ nextarg++])) : (nextarg++, __builtin_va_arg(ap, unsigned long ))) : \ |
| 402 | flags&PTRINT0x0200 ? (uintptr_t)GETARG(ptrdiff_t)((argtable != ((void*)0)) ? *((ptrdiff_t*)(&argtable[nextarg ++])) : (nextarg++, __builtin_va_arg(ap, ptrdiff_t))) : /* XXX */ \ |
| 403 | flags&SIZEINT0x0400 ? GETARG(size_t)((argtable != ((void*)0)) ? *((size_t*)(&argtable[nextarg ++])) : (nextarg++, __builtin_va_arg(ap, size_t))) : \ |
| 404 | flags&SHORTINT0x0040 ? (unsigned short)GETARG(int)((argtable != ((void*)0)) ? *((int*)(&argtable[nextarg++] )) : (nextarg++, __builtin_va_arg(ap, int))) : \ |
| 405 | flags&CHARINT0x0800 ? (unsigned char)GETARG(int)((argtable != ((void*)0)) ? *((int*)(&argtable[nextarg++] )) : (nextarg++, __builtin_va_arg(ap, int))) : \ |
| 406 | GETARG(unsigned int)((argtable != ((void*)0)) ? *((unsigned int*)(&argtable[nextarg ++])) : (nextarg++, __builtin_va_arg(ap, unsigned int))))) |
| 407 | |
| 408 | /* |
| 409 | * Append a digit to a value and check for overflow. |
| 410 | */ |
| 411 | #define APPEND_DIGIT(val, dig)do { if ((val) > 2147483647 / 10) goto overflow; (val) *= 10 ; if ((val) > 2147483647 - (((dig)) - '0')) goto overflow; (val) += (((dig)) - '0'); } while (0) do { \ |
| 412 | if ((val) > INT_MAX2147483647 / 10) \ |
| 413 | goto overflow; \ |
| 414 | (val) *= 10; \ |
| 415 | if ((val) > INT_MAX2147483647 - to_digit((dig))(((dig)) - '0')) \ |
| 416 | goto overflow; \ |
| 417 | (val) += to_digit((dig))(((dig)) - '0'); \ |
| 418 | } while (0) |
| 419 | |
| 420 | /* |
| 421 | * Get * arguments, including the form *nn$. Preserve the nextarg |
| 422 | * that the argument can be gotten once the type is determined. |
| 423 | */ |
| 424 | #define GETASTER(val)n2 = 0; cp = fmt; while (((unsigned)((*cp) - '0') <= 9)) { do { if ((n2) > 2147483647 / 10) goto overflow; (n2) *= 10 ; if ((n2) > 2147483647 - (((*cp)) - '0')) goto overflow; ( n2) += (((*cp)) - '0'); } while (0); cp++; } if (*cp == '$') { int hold = nextarg; if (argtable == ((void*)0)) { argtable = statargtable; if (__find_arguments(fmt0, orgap, &argtable , &argtablesiz) == -1) { ret = -1; goto error; } } nextarg = n2; val = ((argtable != ((void*)0)) ? *((int*)(&argtable [nextarg++])) : (nextarg++, __builtin_va_arg(ap, int))); nextarg = hold; fmt = ++cp; } else { val = ((argtable != ((void*)0)) ? *((int*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, int))); } \ |
| 425 | n2 = 0; \ |
| 426 | cp = fmt; \ |
| 427 | while (is_digit(*cp)((unsigned)((*cp) - '0') <= 9)) { \ |
| 428 | APPEND_DIGIT(n2, *cp)do { if ((n2) > 2147483647 / 10) goto overflow; (n2) *= 10 ; if ((n2) > 2147483647 - (((*cp)) - '0')) goto overflow; ( n2) += (((*cp)) - '0'); } while (0); \ |
| 429 | cp++; \ |
| 430 | } \ |
| 431 | if (*cp == '$') { \ |
| 432 | int hold = nextarg; \ |
| 433 | if (argtable == NULL((void*)0)) { \ |
| 434 | argtable = statargtable; \ |
| 435 | if (__find_arguments(fmt0, orgap, &argtable, \ |
| 436 | &argtablesiz) == -1) { \ |
| 437 | ret = -1; \ |
| 438 | goto error; \ |
| 439 | } \ |
| 440 | } \ |
| 441 | nextarg = n2; \ |
| 442 | val = GETARG(int)((argtable != ((void*)0)) ? *((int*)(&argtable[nextarg++] )) : (nextarg++, __builtin_va_arg(ap, int))); \ |
| 443 | nextarg = hold; \ |
| 444 | fmt = ++cp; \ |
| 445 | } else { \ |
| 446 | val = GETARG(int)((argtable != ((void*)0)) ? *((int*)(&argtable[nextarg++] )) : (nextarg++, __builtin_va_arg(ap, int))); \ |
| 447 | } |
| 448 | |
| 449 | /* |
| 450 | * Get the argument indexed by nextarg. If the argument table is |
| 451 | * built, use it to get the argument. If its not, get the next |
| 452 | * argument (and arguments must be gotten sequentially). |
| 453 | */ |
| 454 | #define GETARG(type)((argtable != ((void*)0)) ? *((type*)(&argtable[nextarg++ ])) : (nextarg++, __builtin_va_arg(ap, type))) \ |
| 455 | ((argtable != NULL((void*)0)) ? *((type*)(&argtable[nextarg++])) : \ |
| 456 | (nextarg++, va_arg(ap, type)__builtin_va_arg(ap, type))) |
| 457 | |
| 458 | _SET_ORIENTATION(fp, -1)do { struct wchar_io_data *_wcio = (((struct __sfileext *)((fp )->_ext._base)) ? &(((struct __sfileext *)((fp)->_ext ._base))->_wcio) : (struct wchar_io_data *)0); if (_wcio && _wcio->wcio_mode == 0) _wcio->wcio_mode = (-1);} while (0); |
| 459 | /* sorry, fprintf(read_only_file, "") returns EOF, not 0 */ |
| 460 | if (cantwrite(fp)((((fp)->_flags & 0x0008) == 0 || (fp)->_bf._base == ((void*)0)) && __swsetup(fp))) { |
| 461 | errno(*__errno()) = EBADF9; |
| 462 | return (EOF(-1)); |
| 463 | } |
| 464 | |
| 465 | /* optimise fprintf(stderr) (and other unbuffered Unix files) */ |
| 466 | if ((fp->_flags & (__SNBF0x0002|__SWR0x0008|__SRW0x0010)) == (__SNBF0x0002|__SWR0x0008) && |
| 467 | fp->_file >= 0) |
| 468 | return (__sbprintf(fp, fmt0, ap)); |
| 469 | |
| 470 | fmt = (char *)fmt0; |
| 471 | argtable = NULL((void*)0); |
| 472 | nextarg = 1; |
| 473 | va_copy(orgap, ap)__builtin_va_copy(orgap, ap); |
| 474 | uio.uio_iov = iovp = iov; |
| 475 | uio.uio_resid = 0; |
| 476 | uio.uio_iovcnt = 0; |
| 477 | ret = 0; |
| 478 | #ifdef PRINTF_WIDE_CHAR1 |
| 479 | convbuf = NULL((void*)0); |
| 480 | #endif |
| 481 | |
| 482 | /* |
| 483 | * Scan the format for conversions (`%' character). |
| 484 | */ |
| 485 | for (;;) { |
| 486 | for (cp = fmt; (ch = *fmt) != '\0' && ch != '%'; fmt++) |
| 487 | continue; |
| 488 | |
| 489 | if (fmt != cp) { |
| 490 | ptrdiff_t m = fmt - cp; |
| 491 | if (m < 0 || m > INT_MAX2147483647 - ret) |
| 492 | goto overflow; |
| 493 | PRINT(cp, m)do { iovp->iov_base = (cp); iovp->iov_len = (m); uio.uio_resid += (m); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint (fp, &uio)) goto error; iovp = iov; } } while (0); |
| 494 | ret += m; |
| 495 | } |
| 496 | if (ch == '\0') |
| 497 | goto done; |
| 498 | fmt++; /* skip over '%' */ |
| 499 | |
| 500 | flags = 0; |
| 501 | dprec = 0; |
| 502 | width = 0; |
| 503 | prec = -1; |
| 504 | sign = '\0'; |
| 505 | ox[1] = '\0'; |
| 506 | |
| 507 | rflag: ch = *fmt++; |
| 508 | reswitch: switch (ch) { |
| 509 | case ' ': |
| 510 | /* |
| 511 | * ``If the space and + flags both appear, the space |
| 512 | * flag will be ignored.'' |
| 513 | * -- ANSI X3J11 |
| 514 | */ |
| 515 | if (!sign) |
| 516 | sign = ' '; |
| 517 | goto rflag; |
| 518 | case '#': |
| 519 | flags |= ALT0x0001; |
| 520 | goto rflag; |
| 521 | case '\'': |
| 522 | /* grouping not implemented */ |
| 523 | goto rflag; |
| 524 | case '*': |
| 525 | /* |
| 526 | * ``A negative field width argument is taken as a |
| 527 | * - flag followed by a positive field width.'' |
| 528 | * -- ANSI X3J11 |
| 529 | * They don't exclude field widths read from args. |
| 530 | */ |
| 531 | GETASTER(width)n2 = 0; cp = fmt; while (((unsigned)((*cp) - '0') <= 9)) { do { if ((n2) > 2147483647 / 10) goto overflow; (n2) *= 10 ; if ((n2) > 2147483647 - (((*cp)) - '0')) goto overflow; ( n2) += (((*cp)) - '0'); } while (0); cp++; } if (*cp == '$') { int hold = nextarg; if (argtable == ((void*)0)) { argtable = statargtable; if (__find_arguments(fmt0, orgap, &argtable , &argtablesiz) == -1) { ret = -1; goto error; } } nextarg = n2; width = ((argtable != ((void*)0)) ? *((int*)(&argtable [nextarg++])) : (nextarg++, __builtin_va_arg(ap, int))); nextarg = hold; fmt = ++cp; } else { width = ((argtable != ((void*)0 )) ? *((int*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, int))); }; |
| 532 | if (width >= 0) |
| 533 | goto rflag; |
| 534 | if (width == INT_MIN(-2147483647 -1)) |
| 535 | goto overflow; |
| 536 | width = -width; |
| 537 | /* FALLTHROUGH */ |
| 538 | case '-': |
| 539 | flags |= LADJUST0x0004; |
| 540 | goto rflag; |
| 541 | case '+': |
| 542 | sign = '+'; |
| 543 | goto rflag; |
| 544 | case '.': |
| 545 | if ((ch = *fmt++) == '*') { |
| 546 | GETASTER(n)n2 = 0; cp = fmt; while (((unsigned)((*cp) - '0') <= 9)) { do { if ((n2) > 2147483647 / 10) goto overflow; (n2) *= 10 ; if ((n2) > 2147483647 - (((*cp)) - '0')) goto overflow; ( n2) += (((*cp)) - '0'); } while (0); cp++; } if (*cp == '$') { int hold = nextarg; if (argtable == ((void*)0)) { argtable = statargtable; if (__find_arguments(fmt0, orgap, &argtable , &argtablesiz) == -1) { ret = -1; goto error; } } nextarg = n2; n = ((argtable != ((void*)0)) ? *((int*)(&argtable [nextarg++])) : (nextarg++, __builtin_va_arg(ap, int))); nextarg = hold; fmt = ++cp; } else { n = ((argtable != ((void*)0)) ? *((int*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, int))); }; |
| 547 | prec = n < 0 ? -1 : n; |
| 548 | goto rflag; |
| 549 | } |
| 550 | n = 0; |
| 551 | while (is_digit(ch)((unsigned)((ch) - '0') <= 9)) { |
| 552 | APPEND_DIGIT(n, ch)do { if ((n) > 2147483647 / 10) goto overflow; (n) *= 10; if ((n) > 2147483647 - (((ch)) - '0')) goto overflow; (n) += (((ch)) - '0'); } while (0); |
| 553 | ch = *fmt++; |
| 554 | } |
| 555 | if (ch == '$') { |
| 556 | nextarg = n; |
| 557 | if (argtable == NULL((void*)0)) { |
| 558 | argtable = statargtable; |
| 559 | if (__find_arguments(fmt0, orgap, |
| 560 | &argtable, &argtablesiz) == -1) { |
| 561 | ret = -1; |
| 562 | goto error; |
| 563 | } |
| 564 | } |
| 565 | goto rflag; |
| 566 | } |
| 567 | prec = n; |
| 568 | goto reswitch; |
| 569 | case '0': |
| 570 | /* |
| 571 | * ``Note that 0 is taken as a flag, not as the |
| 572 | * beginning of a field width.'' |
| 573 | * -- ANSI X3J11 |
| 574 | */ |
| 575 | flags |= ZEROPAD0x0080; |
| 576 | goto rflag; |
| 577 | case '1': case '2': case '3': case '4': |
| 578 | case '5': case '6': case '7': case '8': case '9': |
| 579 | n = 0; |
| 580 | do { |
| 581 | APPEND_DIGIT(n, ch)do { if ((n) > 2147483647 / 10) goto overflow; (n) *= 10; if ((n) > 2147483647 - (((ch)) - '0')) goto overflow; (n) += (((ch)) - '0'); } while (0); |
| 582 | ch = *fmt++; |
| 583 | } while (is_digit(ch)((unsigned)((ch) - '0') <= 9)); |
| 584 | if (ch == '$') { |
| 585 | nextarg = n; |
| 586 | if (argtable == NULL((void*)0)) { |
| 587 | argtable = statargtable; |
| 588 | if (__find_arguments(fmt0, orgap, |
| 589 | &argtable, &argtablesiz) == -1) { |
| 590 | ret = -1; |
| 591 | goto error; |
| 592 | } |
| 593 | } |
| 594 | goto rflag; |
| 595 | } |
| 596 | width = n; |
| 597 | goto reswitch; |
| 598 | #ifdef FLOATING_POINT1 |
| 599 | case 'L': |
| 600 | flags |= LONGDBL0x0008; |
| 601 | goto rflag; |
| 602 | #endif |
| 603 | case 'h': |
| 604 | if (*fmt == 'h') { |
| 605 | fmt++; |
| 606 | flags |= CHARINT0x0800; |
| 607 | } else { |
| 608 | flags |= SHORTINT0x0040; |
| 609 | } |
| 610 | goto rflag; |
| 611 | case 'j': |
| 612 | flags |= MAXINT0x1000; |
| 613 | goto rflag; |
| 614 | case 'l': |
| 615 | if (*fmt == 'l') { |
| 616 | fmt++; |
| 617 | flags |= LLONGINT0x0020; |
| 618 | } else { |
| 619 | flags |= LONGINT0x0010; |
| 620 | } |
| 621 | goto rflag; |
| 622 | case 'q': |
| 623 | flags |= LLONGINT0x0020; |
| 624 | goto rflag; |
| 625 | case 't': |
| 626 | flags |= PTRINT0x0200; |
| 627 | goto rflag; |
| 628 | case 'z': |
| 629 | flags |= SIZEINT0x0400; |
| 630 | goto rflag; |
| 631 | case 'c': |
| 632 | #ifdef PRINTF_WIDE_CHAR1 |
| 633 | if (flags & LONGINT0x0010) { |
| 634 | mbstate_t mbs; |
| 635 | size_t mbseqlen; |
| 636 | |
| 637 | memset(&mbs, 0, sizeof(mbs)); |
| 638 | mbseqlen = wcrtomb(buf, |
| 639 | (wchar_t)GETARG(wint_t)((argtable != ((void*)0)) ? *((wint_t*)(&argtable[nextarg ++])) : (nextarg++, __builtin_va_arg(ap, wint_t))), &mbs); |
| 640 | if (mbseqlen == (size_t)-1) { |
| 641 | ret = -1; |
| 642 | goto error; |
| 643 | } |
| 644 | cp = buf; |
| 645 | size = (int)mbseqlen; |
| 646 | } else { |
| 647 | #endif |
| 648 | *(cp = buf) = GETARG(int)((argtable != ((void*)0)) ? *((int*)(&argtable[nextarg++] )) : (nextarg++, __builtin_va_arg(ap, int))); |
| 649 | size = 1; |
| 650 | #ifdef PRINTF_WIDE_CHAR1 |
| 651 | } |
| 652 | #endif |
| 653 | sign = '\0'; |
| 654 | break; |
| 655 | case 'D': |
| 656 | flags |= LONGINT0x0010; |
| 657 | /*FALLTHROUGH*/ |
| 658 | case 'd': |
| 659 | case 'i': |
| 660 | _umax = SARG()((intmax_t)(flags&0x1000 ? ((argtable != ((void*)0)) ? *( (intmax_t*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, intmax_t))) : flags&0x0020 ? ((argtable != ((void*)0 )) ? *((long long*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, long long))) : flags&0x0010 ? ((argtable != ((void*) 0)) ? *((long*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, long))) : flags&0x0200 ? ((argtable != ((void*)0)) ? *((ptrdiff_t*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, ptrdiff_t))) : flags&0x0400 ? ((argtable != ((void*) 0)) ? *((ssize_t*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, ssize_t))) : flags&0x0040 ? (short)((argtable != ((void *)0)) ? *((int*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, int))) : flags&0x0800 ? (signed char)((argtable != ( (void*)0)) ? *((int*)(&argtable[nextarg++])) : (nextarg++ , __builtin_va_arg(ap, int))) : ((argtable != ((void*)0)) ? * ((int*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, int))))); |
| 661 | if ((intmax_t)_umax < 0) { |
| 662 | _umax = -_umax; |
| 663 | sign = '-'; |
| 664 | } |
| 665 | base = DEC; |
| 666 | goto number; |
| 667 | #ifdef FLOATING_POINT1 |
| 668 | case 'a': |
| 669 | case 'A': |
| 670 | if (ch == 'a') { |
| 671 | ox[1] = 'x'; |
| 672 | xdigs = xdigs_lower; |
| 673 | expchar = 'p'; |
| 674 | } else { |
| 675 | ox[1] = 'X'; |
| 676 | xdigs = xdigs_upper; |
| 677 | expchar = 'P'; |
| 678 | } |
| 679 | if (prec >= 0) |
| 680 | prec++; |
| 681 | if (dtoaresult) |
| 682 | __freedtoa(dtoaresult); |
| 683 | if (flags & LONGDBL0x0008) { |
| 684 | fparg.ldbl = GETARG(long double)((argtable != ((void*)0)) ? *((long double*)(&argtable[nextarg ++])) : (nextarg++, __builtin_va_arg(ap, long double))); |
| 685 | dtoaresult = cp = |
| 686 | __hldtoa(fparg.ldbl, xdigs, prec, |
| 687 | &expt, &signflag, &dtoaend); |
| 688 | if (dtoaresult == NULL((void*)0)) { |
| 689 | errno(*__errno()) = ENOMEM12; |
| 690 | goto error; |
| 691 | } |
| 692 | } else { |
| 693 | fparg.dbl = GETARG(double)((argtable != ((void*)0)) ? *((double*)(&argtable[nextarg ++])) : (nextarg++, __builtin_va_arg(ap, double))); |
| 694 | dtoaresult = cp = |
| 695 | __hdtoa(fparg.dbl, xdigs, prec, |
| 696 | &expt, &signflag, &dtoaend); |
| 697 | if (dtoaresult == NULL((void*)0)) { |
| 698 | errno(*__errno()) = ENOMEM12; |
| 699 | goto error; |
| 700 | } |
| 701 | } |
| 702 | if (prec < 0) |
| 703 | prec = dtoaend - cp; |
| 704 | if (expt == INT_MAX2147483647) |
| 705 | ox[1] = '\0'; |
| 706 | goto fp_common; |
| 707 | case 'e': |
| 708 | case 'E': |
| 709 | expchar = ch; |
| 710 | if (prec < 0) /* account for digit before decpt */ |
| 711 | prec = DEFPREC6 + 1; |
| 712 | else |
| 713 | prec++; |
| 714 | goto fp_begin; |
| 715 | case 'f': |
| 716 | case 'F': |
| 717 | expchar = '\0'; |
| 718 | goto fp_begin; |
| 719 | case 'g': |
| 720 | case 'G': |
| 721 | expchar = ch - ('g' - 'e'); |
| 722 | if (prec == 0) |
| 723 | prec = 1; |
| 724 | fp_begin: |
| 725 | if (prec < 0) |
| 726 | prec = DEFPREC6; |
| 727 | if (dtoaresult) |
| 728 | __freedtoa(dtoaresult); |
| 729 | if (flags & LONGDBL0x0008) { |
| 730 | fparg.ldbl = GETARG(long double)((argtable != ((void*)0)) ? *((long double*)(&argtable[nextarg ++])) : (nextarg++, __builtin_va_arg(ap, long double))); |
| 731 | dtoaresult = cp = |
| 732 | __ldtoa(&fparg.ldbl, expchar ? 2 : 3, prec, |
| 733 | &expt, &signflag, &dtoaend); |
| 734 | if (dtoaresult == NULL((void*)0)) { |
| 735 | errno(*__errno()) = ENOMEM12; |
| 736 | goto error; |
| 737 | } |
| 738 | } else { |
| 739 | fparg.dbl = GETARG(double)((argtable != ((void*)0)) ? *((double*)(&argtable[nextarg ++])) : (nextarg++, __builtin_va_arg(ap, double))); |
| 740 | dtoaresult = cp = |
| 741 | __dtoa(fparg.dbl, expchar ? 2 : 3, prec, |
| 742 | &expt, &signflag, &dtoaend); |
| 743 | if (dtoaresult == NULL((void*)0)) { |
| 744 | errno(*__errno()) = ENOMEM12; |
| 745 | goto error; |
| 746 | } |
| 747 | if (expt == 9999) |
| 748 | expt = INT_MAX2147483647; |
| 749 | } |
| 750 | fp_common: |
| 751 | if (signflag) |
| 752 | sign = '-'; |
| 753 | if (expt == INT_MAX2147483647) { /* inf or nan */ |
| 754 | if (*cp == 'N') |
| 755 | cp = (ch >= 'a') ? "nan" : "NAN"; |
| 756 | else |
| 757 | cp = (ch >= 'a') ? "inf" : "INF"; |
| 758 | size = 3; |
| 759 | flags &= ~ZEROPAD0x0080; |
| 760 | break; |
| 761 | } |
| 762 | flags |= FPT0x0100; |
| 763 | ndig = dtoaend - cp; |
| 764 | if (ch == 'g' || ch == 'G') { |
| 765 | if (expt > -4 && expt <= prec) { |
| 766 | /* Make %[gG] smell like %[fF] */ |
| 767 | expchar = '\0'; |
| 768 | if (flags & ALT0x0001) |
| 769 | prec -= expt; |
| 770 | else |
| 771 | prec = ndig - expt; |
| 772 | if (prec < 0) |
| 773 | prec = 0; |
| 774 | } else { |
| 775 | /* |
| 776 | * Make %[gG] smell like %[eE], but |
| 777 | * trim trailing zeroes if no # flag. |
| 778 | */ |
| 779 | if (!(flags & ALT0x0001)) |
| 780 | prec = ndig; |
| 781 | } |
| 782 | } |
| 783 | if (expchar) { |
| 784 | expsize = exponent(expstr, expt - 1, expchar); |
| 785 | size = expsize + prec; |
| 786 | if (prec > 1 || flags & ALT0x0001) |
| 787 | ++size; |
| 788 | } else { |
| 789 | /* space for digits before decimal point */ |
| 790 | if (expt > 0) |
| 791 | size = expt; |
| 792 | else /* "0" */ |
| 793 | size = 1; |
| 794 | /* space for decimal pt and following digits */ |
| 795 | if (prec || flags & ALT0x0001) |
| 796 | size += prec + 1; |
| 797 | lead = expt; |
| 798 | } |
| 799 | break; |
| 800 | #endif /* FLOATING_POINT */ |
| 801 | case 'n': { |
| 802 | static const char n_msg[] = ": *printf used %n, aborting: "; |
| 803 | char buf[1024], *p; |
| 804 | |
| 805 | /* <10> is LOG_CRIT */ |
| 806 | strlcpy(buf, "<10>", sizeof buf); |
| 807 | |
| 808 | /* Make sure progname does not fill the whole buffer */ |
| 809 | strlcat(buf, __progname, sizeof(buf) - sizeof n_msg); |
| 810 | strlcat(buf, n_msg, sizeof buf); |
| 811 | strlcat(buf, fmt0, sizeof buf); |
| 812 | if ((p = strchr(buf, '\n'))) |
| 813 | *p = '\0'; |
| 814 | sendsyslog(buf, strlen(buf), LOG_CONS0x02); |
| 815 | abort(); |
| 816 | break; |
| 817 | } |
| 818 | case 'O': |
| 819 | flags |= LONGINT0x0010; |
| 820 | /*FALLTHROUGH*/ |
| 821 | case 'o': |
| 822 | _umax = UARG()((uintmax_t)(flags&0x1000 ? ((argtable != ((void*)0)) ? * ((uintmax_t*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, uintmax_t))) : flags&0x0020 ? ((argtable != ((void*) 0)) ? *((unsigned long long*)(&argtable[nextarg++])) : (nextarg ++, __builtin_va_arg(ap, unsigned long long))) : flags&0x0010 ? ((argtable != ((void*)0)) ? *((unsigned long*)(&argtable [nextarg++])) : (nextarg++, __builtin_va_arg(ap, unsigned long ))) : flags&0x0200 ? (uintptr_t)((argtable != ((void*)0)) ? *((ptrdiff_t*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, ptrdiff_t))) : flags&0x0400 ? ((argtable != ((void*) 0)) ? *((size_t*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, size_t))) : flags&0x0040 ? (unsigned short)((argtable != ((void*)0)) ? *((int*)(&argtable[nextarg++])) : (nextarg ++, __builtin_va_arg(ap, int))) : flags&0x0800 ? (unsigned char)((argtable != ((void*)0)) ? *((int*)(&argtable[nextarg ++])) : (nextarg++, __builtin_va_arg(ap, int))) : ((argtable != ((void*)0)) ? *((unsigned int*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg(ap, unsigned int))))); |
| 823 | base = OCT; |
| 824 | goto nosign; |
| 825 | case 'p': |
| 826 | /* |
| 827 | * ``The argument shall be a pointer to void. The |
| 828 | * value of the pointer is converted to a sequence |
| 829 | * of printable characters, in an implementation- |
| 830 | * defined manner.'' |
| 831 | * -- ANSI X3J11 |
| 832 | */ |
| 833 | _umax = (u_long)GETARG(void *)((argtable != ((void*)0)) ? *((void **)(&argtable[nextarg ++])) : (nextarg++, __builtin_va_arg(ap, void *))); |
| 834 | base = HEX; |
| 835 | xdigs = xdigs_lower; |
| 836 | ox[1] = 'x'; |
| 837 | goto nosign; |
| 838 | case 's': { |
| 839 | size_t len; |
| 840 | |
| 841 | #ifdef PRINTF_WIDE_CHAR1 |
| 842 | if (flags & LONGINT0x0010) { |
| 843 | wchar_t *wcp; |
| 844 | |
| 845 | free(convbuf); |
| 846 | convbuf = NULL((void*)0); |
| 847 | if ((wcp = GETARG(wchar_t *)((argtable != ((void*)0)) ? *((wchar_t **)(&argtable[nextarg ++])) : (nextarg++, __builtin_va_arg(ap, wchar_t *)))) == NULL((void*)0)) { |
| 848 | struct syslog_data sdata = SYSLOG_DATA_INIT{0, (const char *)0, (1<<3), 0xff}; |
| 849 | int save_errno = errno(*__errno()); |
| 850 | |
| 851 | syslog_r(LOG_CRIT2 | LOG_CONS0x02, &sdata, |
| 852 | "vfprintf %%ls NULL in \"%s\"", fmt0); |
| 853 | errno(*__errno()) = save_errno; |
| 854 | |
| 855 | cp = "(null)"; |
| 856 | } else { |
| 857 | convbuf = __wcsconv(wcp, prec); |
| 858 | if (convbuf == NULL((void*)0)) { |
| 859 | ret = -1; |
| 860 | goto error; |
| 861 | } |
| 862 | cp = convbuf; |
| 863 | } |
| 864 | } else |
| 865 | #endif /* PRINTF_WIDE_CHAR */ |
| 866 | |
| 867 | if ((cp = GETARG(char *)((argtable != ((void*)0)) ? *((char **)(&argtable[nextarg ++])) : (nextarg++, __builtin_va_arg(ap, char *)))) == NULL((void*)0)) { |
| 868 | struct syslog_data sdata = SYSLOG_DATA_INIT{0, (const char *)0, (1<<3), 0xff}; |
| 869 | int save_errno = errno(*__errno()); |
| 870 | |
| 871 | syslog_r(LOG_CRIT2 | LOG_CONS0x02, &sdata, |
| 872 | "vfprintf %%s NULL in \"%s\"", fmt0); |
| 873 | errno(*__errno()) = save_errno; |
| 874 | |
| 875 | cp = "(null)"; |
| 876 | } |
| 877 | len = prec >= 0 ? strnlen(cp, prec) : strlen(cp); |
| 878 | if (len > INT_MAX2147483647) |
| 879 | goto overflow; |
| 880 | size = (int)len; |
| 881 | sign = '\0'; |
| 882 | } |
| 883 | break; |
| 884 | case 'U': |
| 885 | flags |= LONGINT0x0010; |
| 886 | /*FALLTHROUGH*/ |
| 887 | case 'u': |
| 888 | _umax = UARG()((uintmax_t)(flags&0x1000 ? ((argtable != ((void*)0)) ? * ((uintmax_t*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, uintmax_t))) : flags&0x0020 ? ((argtable != ((void*) 0)) ? *((unsigned long long*)(&argtable[nextarg++])) : (nextarg ++, __builtin_va_arg(ap, unsigned long long))) : flags&0x0010 ? ((argtable != ((void*)0)) ? *((unsigned long*)(&argtable [nextarg++])) : (nextarg++, __builtin_va_arg(ap, unsigned long ))) : flags&0x0200 ? (uintptr_t)((argtable != ((void*)0)) ? *((ptrdiff_t*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, ptrdiff_t))) : flags&0x0400 ? ((argtable != ((void*) 0)) ? *((size_t*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, size_t))) : flags&0x0040 ? (unsigned short)((argtable != ((void*)0)) ? *((int*)(&argtable[nextarg++])) : (nextarg ++, __builtin_va_arg(ap, int))) : flags&0x0800 ? (unsigned char)((argtable != ((void*)0)) ? *((int*)(&argtable[nextarg ++])) : (nextarg++, __builtin_va_arg(ap, int))) : ((argtable != ((void*)0)) ? *((unsigned int*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg(ap, unsigned int))))); |
| 889 | base = DEC; |
| 890 | goto nosign; |
| 891 | case 'X': |
| 892 | xdigs = xdigs_upper; |
| 893 | goto hex; |
| 894 | case 'x': |
| 895 | xdigs = xdigs_lower; |
| 896 | hex: _umax = UARG()((uintmax_t)(flags&0x1000 ? ((argtable != ((void*)0)) ? * ((uintmax_t*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, uintmax_t))) : flags&0x0020 ? ((argtable != ((void*) 0)) ? *((unsigned long long*)(&argtable[nextarg++])) : (nextarg ++, __builtin_va_arg(ap, unsigned long long))) : flags&0x0010 ? ((argtable != ((void*)0)) ? *((unsigned long*)(&argtable [nextarg++])) : (nextarg++, __builtin_va_arg(ap, unsigned long ))) : flags&0x0200 ? (uintptr_t)((argtable != ((void*)0)) ? *((ptrdiff_t*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, ptrdiff_t))) : flags&0x0400 ? ((argtable != ((void*) 0)) ? *((size_t*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg (ap, size_t))) : flags&0x0040 ? (unsigned short)((argtable != ((void*)0)) ? *((int*)(&argtable[nextarg++])) : (nextarg ++, __builtin_va_arg(ap, int))) : flags&0x0800 ? (unsigned char)((argtable != ((void*)0)) ? *((int*)(&argtable[nextarg ++])) : (nextarg++, __builtin_va_arg(ap, int))) : ((argtable != ((void*)0)) ? *((unsigned int*)(&argtable[nextarg++])) : (nextarg++, __builtin_va_arg(ap, unsigned int))))); |
| 897 | base = HEX; |
| 898 | /* leading 0x/X only if non-zero */ |
| 899 | if (flags & ALT0x0001 && _umax != 0) |
| 900 | ox[1] = ch; |
| 901 | |
| 902 | /* unsigned conversions */ |
| 903 | nosign: sign = '\0'; |
| 904 | /* |
| 905 | * ``... diouXx conversions ... if a precision is |
| 906 | * specified, the 0 flag will be ignored.'' |
| 907 | * -- ANSI X3J11 |
| 908 | */ |
| 909 | number: if ((dprec = prec) >= 0) |
| 910 | flags &= ~ZEROPAD0x0080; |
| 911 | |
| 912 | /* |
| 913 | * ``The result of converting a zero value with an |
| 914 | * explicit precision of zero is no characters.'' |
| 915 | * -- ANSI X3J11 |
| 916 | */ |
| 917 | cp = buf + BUF100; |
| 918 | if (_umax != 0 || prec != 0) { |
| 919 | /* |
| 920 | * Unsigned mod is hard, and unsigned mod |
| 921 | * by a constant is easier than that by |
| 922 | * a variable; hence this switch. |
| 923 | */ |
| 924 | switch (base) { |
| 925 | case OCT: |
| 926 | do { |
| 927 | *--cp = to_char(_umax & 7)((_umax & 7) + '0'); |
| 928 | _umax >>= 3; |
| 929 | } while (_umax); |
| 930 | /* handle octal leading 0 */ |
| 931 | if (flags & ALT0x0001 && *cp != '0') |
| 932 | *--cp = '0'; |
| 933 | break; |
| 934 | |
| 935 | case DEC: |
| 936 | /* many numbers are 1 digit */ |
| 937 | while (_umax >= 10) { |
| 938 | *--cp = to_char(_umax % 10)((_umax % 10) + '0'); |
| 939 | _umax /= 10; |
| 940 | } |
| 941 | *--cp = to_char(_umax)((_umax) + '0'); |
| 942 | break; |
| 943 | |
| 944 | case HEX: |
| 945 | do { |
| 946 | *--cp = xdigs[_umax & 15]; |
| 947 | _umax >>= 4; |
| 948 | } while (_umax); |
| 949 | break; |
| 950 | |
| 951 | default: |
| 952 | cp = "bug in vfprintf: bad base"; |
| 953 | size = strlen(cp); |
| 954 | goto skipsize; |
| 955 | } |
| 956 | } |
| 957 | size = buf + BUF100 - cp; |
| 958 | if (size > BUF100) /* should never happen */ |
| 959 | abort(); |
| 960 | skipsize: |
| 961 | break; |
| 962 | default: /* "%?" prints ?, unless ? is NUL */ |
| 963 | if (ch == '\0') |
| 964 | goto done; |
| 965 | /* pretend it was %c with argument ch */ |
| 966 | cp = buf; |
| 967 | *cp = ch; |
| 968 | size = 1; |
| 969 | sign = '\0'; |
| 970 | break; |
| 971 | } |
| 972 | |
| 973 | /* |
| 974 | * All reasonable formats wind up here. At this point, `cp' |
| 975 | * points to a string which (if not flags&LADJUST) should be |
| 976 | * padded out to `width' places. If flags&ZEROPAD, it should |
| 977 | * first be prefixed by any sign or other prefix; otherwise, |
| 978 | * it should be blank padded before the prefix is emitted. |
| 979 | * After any left-hand padding and prefixing, emit zeroes |
| 980 | * required by a decimal %[diouxX] precision, then print the |
| 981 | * string proper, then emit zeroes required by any leftover |
| 982 | * floating precision; finally, if LADJUST, pad with blanks. |
| 983 | * |
| 984 | * Compute actual size, so we know how much to pad. |
| 985 | * size excludes decimal prec; realsz includes it. |
| 986 | */ |
| 987 | realsz = dprec > size ? dprec : size; |
| 988 | if (sign) |
| 989 | realsz++; |
| 990 | if (ox[1]) |
| 991 | realsz+= 2; |
| 992 | |
| 993 | /* right-adjusting blank padding */ |
| 994 | if ((flags & (LADJUST0x0004|ZEROPAD0x0080)) == 0) |
| 995 | PAD(width - realsz, blanks)do { if ((n = (width - realsz)) > 0) { while (n > 16) { do { iovp->iov_base = (blanks); iovp->iov_len = (16); uio .uio_resid += (16); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while ( 0); n -= 16; } do { iovp->iov_base = (blanks); iovp->iov_len = (n); uio.uio_resid += (n); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while (0); } } while (0); |
| 996 | |
| 997 | /* prefix */ |
| 998 | if (sign) |
| 999 | PRINT(&sign, 1)do { iovp->iov_base = (&sign); iovp->iov_len = (1); uio.uio_resid += (1); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while (0); |
| 1000 | if (ox[1]) { /* ox[1] is either x, X, or \0 */ |
| 1001 | ox[0] = '0'; |
| 1002 | PRINT(ox, 2)do { iovp->iov_base = (ox); iovp->iov_len = (2); uio.uio_resid += (2); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint (fp, &uio)) goto error; iovp = iov; } } while (0); |
| 1003 | } |
| 1004 | |
| 1005 | /* right-adjusting zero padding */ |
| 1006 | if ((flags & (LADJUST0x0004|ZEROPAD0x0080)) == ZEROPAD0x0080) |
| 1007 | PAD(width - realsz, zeroes)do { if ((n = (width - realsz)) > 0) { while (n > 16) { do { iovp->iov_base = (zeroes); iovp->iov_len = (16); uio .uio_resid += (16); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while ( 0); n -= 16; } do { iovp->iov_base = (zeroes); iovp->iov_len = (n); uio.uio_resid += (n); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while (0); } } while (0); |
| 1008 | |
| 1009 | /* leading zeroes from decimal precision */ |
| 1010 | PAD(dprec - size, zeroes)do { if ((n = (dprec - size)) > 0) { while (n > 16) { do { iovp->iov_base = (zeroes); iovp->iov_len = (16); uio .uio_resid += (16); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while ( 0); n -= 16; } do { iovp->iov_base = (zeroes); iovp->iov_len = (n); uio.uio_resid += (n); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while (0); } } while (0); |
| 1011 | |
| 1012 | /* the string or number proper */ |
| 1013 | #ifdef FLOATING_POINT1 |
| 1014 | if ((flags & FPT0x0100) == 0) { |
| 1015 | PRINT(cp, size)do { iovp->iov_base = (cp); iovp->iov_len = (size); uio .uio_resid += (size); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while (0); |
| 1016 | } else { /* glue together f_p fragments */ |
| 1017 | if (decimal_point == NULL((void*)0)) |
| 1018 | decimal_point = nl_langinfo(RADIXCHAR44); |
| 1019 | if (!expchar) { /* %[fF] or sufficiently short %[gG] */ |
| 1020 | if (expt <= 0) { |
| 1021 | PRINT(zeroes, 1)do { iovp->iov_base = (zeroes); iovp->iov_len = (1); uio .uio_resid += (1); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while ( 0); |
| 1022 | if (prec || flags & ALT0x0001) |
| 1023 | PRINT(decimal_point, 1)do { iovp->iov_base = (decimal_point); iovp->iov_len = ( 1); uio.uio_resid += (1); iovp++; if (++uio.uio_iovcnt >= 8 ) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while (0); |
| 1024 | PAD(-expt, zeroes)do { if ((n = (-expt)) > 0) { while (n > 16) { do { iovp ->iov_base = (zeroes); iovp->iov_len = (16); uio.uio_resid += (16); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint (fp, &uio)) goto error; iovp = iov; } } while (0); n -= 16 ; } do { iovp->iov_base = (zeroes); iovp->iov_len = (n) ; uio.uio_resid += (n); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while (0); } } while (0); |
| 1025 | /* already handled initial 0's */ |
| 1026 | prec += expt; |
| 1027 | } else { |
| 1028 | PRINTANDPAD(cp, dtoaend, lead, zeroes)do { n2 = (dtoaend) - (cp); if (n2 > (lead)) n2 = (lead); if (n2 > 0) do { iovp->iov_base = ((cp)); iovp->iov_len = (n2); uio.uio_resid += (n2); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while (0); do { if ((n = ((lead) - (n2 > 0 ? n2 : 0))) > 0) { while (n > 16) { do { iovp->iov_base = ((zeroes)) ; iovp->iov_len = (16); uio.uio_resid += (16); iovp++; if ( ++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error ; iovp = iov; } } while (0); n -= 16; } do { iovp->iov_base = ((zeroes)); iovp->iov_len = (n); uio.uio_resid += (n); iovp ++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio )) goto error; iovp = iov; } } while (0); } } while (0); } while (0); |
| 1029 | cp += lead; |
| 1030 | if (prec || flags & ALT0x0001) |
| 1031 | PRINT(decimal_point, 1)do { iovp->iov_base = (decimal_point); iovp->iov_len = ( 1); uio.uio_resid += (1); iovp++; if (++uio.uio_iovcnt >= 8 ) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while (0); |
| 1032 | } |
| 1033 | PRINTANDPAD(cp, dtoaend, prec, zeroes)do { n2 = (dtoaend) - (cp); if (n2 > (prec)) n2 = (prec); if (n2 > 0) do { iovp->iov_base = ((cp)); iovp->iov_len = (n2); uio.uio_resid += (n2); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while (0); do { if ((n = ((prec) - (n2 > 0 ? n2 : 0))) > 0) { while (n > 16) { do { iovp->iov_base = ((zeroes)) ; iovp->iov_len = (16); uio.uio_resid += (16); iovp++; if ( ++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error ; iovp = iov; } } while (0); n -= 16; } do { iovp->iov_base = ((zeroes)); iovp->iov_len = (n); uio.uio_resid += (n); iovp ++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio )) goto error; iovp = iov; } } while (0); } } while (0); } while (0); |
| 1034 | } else { /* %[eE] or sufficiently long %[gG] */ |
| 1035 | if (prec > 1 || flags & ALT0x0001) { |
| 1036 | buf[0] = *cp++; |
| 1037 | buf[1] = *decimal_point; |
| 1038 | PRINT(buf, 2)do { iovp->iov_base = (buf); iovp->iov_len = (2); uio.uio_resid += (2); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint (fp, &uio)) goto error; iovp = iov; } } while (0); |
| 1039 | PRINT(cp, ndig-1)do { iovp->iov_base = (cp); iovp->iov_len = (ndig-1); uio .uio_resid += (ndig-1); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while (0); |
| 1040 | PAD(prec - ndig, zeroes)do { if ((n = (prec - ndig)) > 0) { while (n > 16) { do { iovp->iov_base = (zeroes); iovp->iov_len = (16); uio .uio_resid += (16); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while ( 0); n -= 16; } do { iovp->iov_base = (zeroes); iovp->iov_len = (n); uio.uio_resid += (n); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while (0); } } while (0); |
| 1041 | } else { /* XeYYY */ |
| 1042 | PRINT(cp, 1)do { iovp->iov_base = (cp); iovp->iov_len = (1); uio.uio_resid += (1); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint (fp, &uio)) goto error; iovp = iov; } } while (0); |
| 1043 | } |
| 1044 | PRINT(expstr, expsize)do { iovp->iov_base = (expstr); iovp->iov_len = (expsize ); uio.uio_resid += (expsize); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while (0); |
| 1045 | } |
| 1046 | } |
| 1047 | #else |
| 1048 | PRINT(cp, size)do { iovp->iov_base = (cp); iovp->iov_len = (size); uio .uio_resid += (size); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while (0); |
| 1049 | #endif |
| 1050 | /* left-adjusting padding (always blank) */ |
| 1051 | if (flags & LADJUST0x0004) |
| 1052 | PAD(width - realsz, blanks)do { if ((n = (width - realsz)) > 0) { while (n > 16) { do { iovp->iov_base = (blanks); iovp->iov_len = (16); uio .uio_resid += (16); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while ( 0); n -= 16; } do { iovp->iov_base = (blanks); iovp->iov_len = (n); uio.uio_resid += (n); iovp++; if (++uio.uio_iovcnt >= 8) { if (__sprint(fp, &uio)) goto error; iovp = iov; } } while (0); } } while (0); |
| 1053 | |
| 1054 | /* finally, adjust ret */ |
| 1055 | if (width < realsz) |
| 1056 | width = realsz; |
| 1057 | if (width > INT_MAX2147483647 - ret) |
| 1058 | goto overflow; |
| 1059 | ret += width; |
| 1060 | |
| 1061 | FLUSH()do { if (uio.uio_resid && __sprint(fp, &uio)) goto error; uio.uio_iovcnt = 0; iovp = iov; } while (0); /* copy out the I/O vectors */ |
| 1062 | } |
| 1063 | done: |
| 1064 | FLUSH()do { if (uio.uio_resid && __sprint(fp, &uio)) goto error; uio.uio_iovcnt = 0; iovp = iov; } while (0); |
| 1065 | error: |
| 1066 | va_end(orgap)__builtin_va_end(orgap); |
| 1067 | if (__sferror(fp)(((fp)->_flags & 0x0040) != 0)) |
| 1068 | ret = -1; |
| 1069 | goto finish; |
| 1070 | |
| 1071 | overflow: |
| 1072 | errno(*__errno()) = EOVERFLOW87; |
| 1073 | ret = -1; |
| 1074 | |
| 1075 | finish: |
| 1076 | #ifdef PRINTF_WIDE_CHAR1 |
| 1077 | free(convbuf); |
| 1078 | #endif |
| 1079 | #ifdef FLOATING_POINT1 |
| 1080 | if (dtoaresult) |
| 1081 | __freedtoa(dtoaresult); |
| 1082 | #endif |
| 1083 | if (argtable != NULL((void*)0) && argtable != statargtable) { |
| 1084 | munmap(argtable, argtablesiz); |
| 1085 | argtable = NULL((void*)0); |
| 1086 | } |
| 1087 | return (ret); |
| 1088 | } |
| 1089 | |
| 1090 | /* |
| 1091 | * Type ids for argument type table. |
| 1092 | */ |
| 1093 | #define T_UNUSED0 0 |
| 1094 | #define T_SHORT1 1 |
| 1095 | #define T_U_SHORT2 2 |
| 1096 | #define TP_SHORT3 3 |
| 1097 | #define T_INT4 4 |
| 1098 | #define T_U_INT5 5 |
| 1099 | #define TP_INT6 6 |
| 1100 | #define T_LONG7 7 |
| 1101 | #define T_U_LONG8 8 |
| 1102 | #define TP_LONG9 9 |
| 1103 | #define T_LLONG10 10 |
| 1104 | #define T_U_LLONG11 11 |
| 1105 | #define TP_LLONG12 12 |
| 1106 | #define T_DOUBLE13 13 |
| 1107 | #define T_LONG_DOUBLE14 14 |
| 1108 | #define TP_CHAR15 15 |
| 1109 | #define TP_VOID16 16 |
| 1110 | #define T_PTRINT17 17 |
| 1111 | #define TP_PTRINT18 18 |
| 1112 | #define T_SIZEINT19 19 |
| 1113 | #define T_SSIZEINT20 20 |
| 1114 | #define TP_SSIZEINT21 21 |
| 1115 | #define T_MAXINT22 22 |
| 1116 | #define T_MAXUINT23 23 |
| 1117 | #define TP_MAXINT24 24 |
| 1118 | #define T_CHAR25 25 |
| 1119 | #define T_U_CHAR26 26 |
| 1120 | #define T_WINT27 27 |
| 1121 | #define TP_WCHAR28 28 |
| 1122 | |
| 1123 | /* |
| 1124 | * Find all arguments when a positional parameter is encountered. Returns a |
| 1125 | * table, indexed by argument number, of pointers to each arguments. The |
| 1126 | * initial argument table should be an array of STATIC_ARG_TBL_SIZE entries. |
| 1127 | * It will be replaced with a mmap-ed one if it overflows (malloc cannot be |
| 1128 | * used since we are attempting to make snprintf thread safe, and alloca is |
| 1129 | * problematic since we have nested functions..) |
| 1130 | */ |
| 1131 | static int |
| 1132 | __find_arguments(const char *fmt0, va_list ap, union arg **argtable, |
| 1133 | size_t *argtablesiz) |
| 1134 | { |
| 1135 | char *fmt; /* format string */ |
| 1136 | int ch; /* character from fmt */ |
| 1137 | int n, n2; /* handy integer (short term usage) */ |
| 1138 | char *cp; /* handy char pointer (short term usage) */ |
| 1139 | int flags; /* flags as above */ |
| 1140 | unsigned char *typetable; /* table of types */ |
| 1141 | unsigned char stattypetable[STATIC_ARG_TBL_SIZE8]; |
| 1142 | int tablesize; /* current size of type table */ |
| 1143 | int tablemax; /* largest used index in table */ |
| 1144 | int nextarg; /* 1-based argument index */ |
| 1145 | int ret = 0; /* return value */ |
| 1146 | |
| 1147 | /* |
| 1148 | * Add an argument type to the table, expanding if necessary. |
| 1149 | */ |
| 1150 | #define ADDTYPE(type)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = type) \ |
| 1151 | ((nextarg >= tablesize) ? \ |
| 1152 | __grow_type_table(&typetable, &tablesize) : 0, \ |
| 1153 | (nextarg > tablemax) ? tablemax = nextarg : 0, \ |
| 1154 | typetable[nextarg++] = type) |
| 1155 | |
| 1156 | #define ADDSARG()((flags&0x1000) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 22) : ((flags &0x0200) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 17) : ((flags &0x0400) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 20) : ((flags &0x0020) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 10) : ((flags &0x0010) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 7) : ((flags &0x0040) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 1) : ((flags &0x0800) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 25) : ((nextarg >= tablesize) ? __grow_type_table(&typetable, &tablesize ) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable [nextarg++] = 4)))))))) \ |
| 1157 | ((flags&MAXINT0x1000) ? ADDTYPE(T_MAXINT)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 22) : \ |
| 1158 | ((flags&PTRINT0x0200) ? ADDTYPE(T_PTRINT)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 17) : \ |
| 1159 | ((flags&SIZEINT0x0400) ? ADDTYPE(T_SSIZEINT)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 20) : \ |
| 1160 | ((flags&LLONGINT0x0020) ? ADDTYPE(T_LLONG)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 10) : \ |
| 1161 | ((flags&LONGINT0x0010) ? ADDTYPE(T_LONG)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 7) : \ |
| 1162 | ((flags&SHORTINT0x0040) ? ADDTYPE(T_SHORT)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 1) : \ |
| 1163 | ((flags&CHARINT0x0800) ? ADDTYPE(T_CHAR)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 25) : ADDTYPE(T_INT)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 4)))))))) |
| 1164 | |
| 1165 | #define ADDUARG()((flags&0x1000) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 23) : ((flags &0x0200) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 17) : ((flags &0x0400) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 19) : ((flags &0x0020) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 11) : ((flags &0x0010) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 8) : ((flags &0x0040) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 2) : ((flags &0x0800) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 26) : ((nextarg >= tablesize) ? __grow_type_table(&typetable, &tablesize ) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable [nextarg++] = 5)))))))) \ |
| 1166 | ((flags&MAXINT0x1000) ? ADDTYPE(T_MAXUINT)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 23) : \ |
| 1167 | ((flags&PTRINT0x0200) ? ADDTYPE(T_PTRINT)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 17) : \ |
| 1168 | ((flags&SIZEINT0x0400) ? ADDTYPE(T_SIZEINT)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 19) : \ |
| 1169 | ((flags&LLONGINT0x0020) ? ADDTYPE(T_U_LLONG)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 11) : \ |
| 1170 | ((flags&LONGINT0x0010) ? ADDTYPE(T_U_LONG)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 8) : \ |
| 1171 | ((flags&SHORTINT0x0040) ? ADDTYPE(T_U_SHORT)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 2) : \ |
| 1172 | ((flags&CHARINT0x0800) ? ADDTYPE(T_U_CHAR)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 26) : ADDTYPE(T_U_INT)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 5)))))))) |
| 1173 | |
| 1174 | /* |
| 1175 | * Add * arguments to the type array. |
| 1176 | */ |
| 1177 | #define ADDASTER()n2 = 0; cp = fmt; while (((unsigned)((*cp) - '0') <= 9)) { do { if ((n2) > 2147483647 / 10) goto overflow; (n2) *= 10 ; if ((n2) > 2147483647 - (((*cp)) - '0')) goto overflow; ( n2) += (((*cp)) - '0'); } while (0); cp++; } if (*cp == '$') { int hold = nextarg; nextarg = n2; ((nextarg >= tablesize) ? __grow_type_table(&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++ ] = 4); nextarg = hold; fmt = ++cp; } else { ((nextarg >= tablesize ) ? __grow_type_table(&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++ ] = 4); } \ |
| 1178 | n2 = 0; \ |
| 1179 | cp = fmt; \ |
| 1180 | while (is_digit(*cp)((unsigned)((*cp) - '0') <= 9)) { \ |
| 1181 | APPEND_DIGIT(n2, *cp)do { if ((n2) > 2147483647 / 10) goto overflow; (n2) *= 10 ; if ((n2) > 2147483647 - (((*cp)) - '0')) goto overflow; ( n2) += (((*cp)) - '0'); } while (0); \ |
| 1182 | cp++; \ |
| 1183 | } \ |
| 1184 | if (*cp == '$') { \ |
| 1185 | int hold = nextarg; \ |
| 1186 | nextarg = n2; \ |
| 1187 | ADDTYPE(T_INT)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 4); \ |
| 1188 | nextarg = hold; \ |
| 1189 | fmt = ++cp; \ |
| 1190 | } else { \ |
| 1191 | ADDTYPE(T_INT)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 4); \ |
| 1192 | } |
| 1193 | fmt = (char *)fmt0; |
| 1194 | typetable = stattypetable; |
| 1195 | tablesize = STATIC_ARG_TBL_SIZE8; |
| 1196 | tablemax = 0; |
| 1197 | nextarg = 1; |
| 1198 | memset(typetable, T_UNUSED0, STATIC_ARG_TBL_SIZE8); |
| 1199 | |
| 1200 | /* |
| 1201 | * Scan the format for conversions (`%' character). |
| 1202 | */ |
| 1203 | for (;;) { |
| 1204 | for (cp = fmt; (ch = *fmt) != '\0' && ch != '%'; fmt++) |
Value stored to 'cp' is never read | |
| 1205 | continue; |
| 1206 | if (ch == '\0') |
| 1207 | goto done; |
| 1208 | fmt++; /* skip over '%' */ |
| 1209 | |
| 1210 | flags = 0; |
| 1211 | |
| 1212 | rflag: ch = *fmt++; |
| 1213 | reswitch: switch (ch) { |
| 1214 | case ' ': |
| 1215 | case '#': |
| 1216 | case '\'': |
| 1217 | goto rflag; |
| 1218 | case '*': |
| 1219 | ADDASTER()n2 = 0; cp = fmt; while (((unsigned)((*cp) - '0') <= 9)) { do { if ((n2) > 2147483647 / 10) goto overflow; (n2) *= 10 ; if ((n2) > 2147483647 - (((*cp)) - '0')) goto overflow; ( n2) += (((*cp)) - '0'); } while (0); cp++; } if (*cp == '$') { int hold = nextarg; nextarg = n2; ((nextarg >= tablesize) ? __grow_type_table(&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++ ] = 4); nextarg = hold; fmt = ++cp; } else { ((nextarg >= tablesize ) ? __grow_type_table(&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++ ] = 4); }; |
| 1220 | goto rflag; |
| 1221 | case '-': |
| 1222 | case '+': |
| 1223 | goto rflag; |
| 1224 | case '.': |
| 1225 | if ((ch = *fmt++) == '*') { |
| 1226 | ADDASTER()n2 = 0; cp = fmt; while (((unsigned)((*cp) - '0') <= 9)) { do { if ((n2) > 2147483647 / 10) goto overflow; (n2) *= 10 ; if ((n2) > 2147483647 - (((*cp)) - '0')) goto overflow; ( n2) += (((*cp)) - '0'); } while (0); cp++; } if (*cp == '$') { int hold = nextarg; nextarg = n2; ((nextarg >= tablesize) ? __grow_type_table(&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++ ] = 4); nextarg = hold; fmt = ++cp; } else { ((nextarg >= tablesize ) ? __grow_type_table(&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++ ] = 4); }; |
| 1227 | goto rflag; |
| 1228 | } |
| 1229 | while (is_digit(ch)((unsigned)((ch) - '0') <= 9)) { |
| 1230 | ch = *fmt++; |
| 1231 | } |
| 1232 | goto reswitch; |
| 1233 | case '0': |
| 1234 | goto rflag; |
| 1235 | case '1': case '2': case '3': case '4': |
| 1236 | case '5': case '6': case '7': case '8': case '9': |
| 1237 | n = 0; |
| 1238 | do { |
| 1239 | APPEND_DIGIT(n ,ch)do { if ((n) > 2147483647 / 10) goto overflow; (n) *= 10; if ((n) > 2147483647 - (((ch)) - '0')) goto overflow; (n) += (((ch)) - '0'); } while (0); |
| 1240 | ch = *fmt++; |
| 1241 | } while (is_digit(ch)((unsigned)((ch) - '0') <= 9)); |
| 1242 | if (ch == '$') { |
| 1243 | nextarg = n; |
| 1244 | goto rflag; |
| 1245 | } |
| 1246 | goto reswitch; |
| 1247 | #ifdef FLOATING_POINT1 |
| 1248 | case 'L': |
| 1249 | flags |= LONGDBL0x0008; |
| 1250 | goto rflag; |
| 1251 | #endif |
| 1252 | case 'h': |
| 1253 | if (*fmt == 'h') { |
| 1254 | fmt++; |
| 1255 | flags |= CHARINT0x0800; |
| 1256 | } else { |
| 1257 | flags |= SHORTINT0x0040; |
| 1258 | } |
| 1259 | goto rflag; |
| 1260 | case 'j': |
| 1261 | flags |= MAXINT0x1000; |
| 1262 | goto rflag; |
| 1263 | case 'l': |
| 1264 | if (*fmt == 'l') { |
| 1265 | fmt++; |
| 1266 | flags |= LLONGINT0x0020; |
| 1267 | } else { |
| 1268 | flags |= LONGINT0x0010; |
| 1269 | } |
| 1270 | goto rflag; |
| 1271 | case 'q': |
| 1272 | flags |= LLONGINT0x0020; |
| 1273 | goto rflag; |
| 1274 | case 't': |
| 1275 | flags |= PTRINT0x0200; |
| 1276 | goto rflag; |
| 1277 | case 'z': |
| 1278 | flags |= SIZEINT0x0400; |
| 1279 | goto rflag; |
| 1280 | case 'c': |
| 1281 | #ifdef PRINTF_WIDE_CHAR1 |
| 1282 | if (flags & LONGINT0x0010) |
| 1283 | ADDTYPE(T_WINT)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 27); |
| 1284 | else |
| 1285 | #endif |
| 1286 | ADDTYPE(T_INT)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 4); |
| 1287 | break; |
| 1288 | case 'D': |
| 1289 | flags |= LONGINT0x0010; |
| 1290 | /*FALLTHROUGH*/ |
| 1291 | case 'd': |
| 1292 | case 'i': |
| 1293 | ADDSARG()((flags&0x1000) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 22) : ((flags &0x0200) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 17) : ((flags &0x0400) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 20) : ((flags &0x0020) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 10) : ((flags &0x0010) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 7) : ((flags &0x0040) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 1) : ((flags &0x0800) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 25) : ((nextarg >= tablesize) ? __grow_type_table(&typetable, &tablesize ) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable [nextarg++] = 4)))))))); |
| 1294 | break; |
| 1295 | #ifdef FLOATING_POINT1 |
| 1296 | case 'a': |
| 1297 | case 'A': |
| 1298 | case 'e': |
| 1299 | case 'E': |
| 1300 | case 'f': |
| 1301 | case 'F': |
| 1302 | case 'g': |
| 1303 | case 'G': |
| 1304 | if (flags & LONGDBL0x0008) |
| 1305 | ADDTYPE(T_LONG_DOUBLE)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 14); |
| 1306 | else |
| 1307 | ADDTYPE(T_DOUBLE)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 13); |
| 1308 | break; |
| 1309 | #endif /* FLOATING_POINT */ |
| 1310 | case 'n': |
| 1311 | if (flags & LLONGINT0x0020) |
| 1312 | ADDTYPE(TP_LLONG)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 12); |
| 1313 | else if (flags & LONGINT0x0010) |
| 1314 | ADDTYPE(TP_LONG)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 9); |
| 1315 | else if (flags & SHORTINT0x0040) |
| 1316 | ADDTYPE(TP_SHORT)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 3); |
| 1317 | else if (flags & PTRINT0x0200) |
| 1318 | ADDTYPE(TP_PTRINT)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 18); |
| 1319 | else if (flags & SIZEINT0x0400) |
| 1320 | ADDTYPE(TP_SSIZEINT)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 21); |
| 1321 | else if (flags & MAXINT0x1000) |
| 1322 | ADDTYPE(TP_MAXINT)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 24); |
| 1323 | else |
| 1324 | ADDTYPE(TP_INT)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 6); |
| 1325 | continue; /* no output */ |
| 1326 | case 'O': |
| 1327 | flags |= LONGINT0x0010; |
| 1328 | /*FALLTHROUGH*/ |
| 1329 | case 'o': |
| 1330 | ADDUARG()((flags&0x1000) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 23) : ((flags &0x0200) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 17) : ((flags &0x0400) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 19) : ((flags &0x0020) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 11) : ((flags &0x0010) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 8) : ((flags &0x0040) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 2) : ((flags &0x0800) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 26) : ((nextarg >= tablesize) ? __grow_type_table(&typetable, &tablesize ) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable [nextarg++] = 5)))))))); |
| 1331 | break; |
| 1332 | case 'p': |
| 1333 | ADDTYPE(TP_VOID)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 16); |
| 1334 | break; |
| 1335 | case 's': |
| 1336 | #ifdef PRINTF_WIDE_CHAR1 |
| 1337 | if (flags & LONGINT0x0010) |
| 1338 | ADDTYPE(TP_WCHAR)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 28); |
| 1339 | else |
| 1340 | #endif |
| 1341 | ADDTYPE(TP_CHAR)((nextarg >= tablesize) ? __grow_type_table(&typetable , &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 15); |
| 1342 | break; |
| 1343 | case 'U': |
| 1344 | flags |= LONGINT0x0010; |
| 1345 | /*FALLTHROUGH*/ |
| 1346 | case 'u': |
| 1347 | case 'X': |
| 1348 | case 'x': |
| 1349 | ADDUARG()((flags&0x1000) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 23) : ((flags &0x0200) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 17) : ((flags &0x0400) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 19) : ((flags &0x0020) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 11) : ((flags &0x0010) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 8) : ((flags &0x0040) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 2) : ((flags &0x0800) ? ((nextarg >= tablesize) ? __grow_type_table (&typetable, &tablesize) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable[nextarg++] = 26) : ((nextarg >= tablesize) ? __grow_type_table(&typetable, &tablesize ) : 0, (nextarg > tablemax) ? tablemax = nextarg : 0, typetable [nextarg++] = 5)))))))); |
| 1350 | break; |
| 1351 | default: /* "%?" prints ?, unless ? is NUL */ |
| 1352 | if (ch == '\0') |
| 1353 | goto done; |
| 1354 | break; |
| 1355 | } |
| 1356 | } |
| 1357 | done: |
| 1358 | /* |
| 1359 | * Build the argument table. |
| 1360 | */ |
| 1361 | if (tablemax >= STATIC_ARG_TBL_SIZE8) { |
| 1362 | *argtablesiz = sizeof(union arg) * (tablemax + 1); |
| 1363 | *argtable = mmap(NULL((void*)0), *argtablesiz, |
| 1364 | PROT_WRITE0x02|PROT_READ0x01, MAP_ANON0x1000|MAP_PRIVATE0x0002, -1, 0); |
| 1365 | if (*argtable == MAP_FAILED((void *)-1)) |
| 1366 | return (-1); |
| 1367 | } |
| 1368 | |
| 1369 | for (n = 1; n <= tablemax; n++) { |
| 1370 | switch (typetable[n]) { |
| 1371 | case T_UNUSED0: |
| 1372 | case T_CHAR25: |
| 1373 | case T_U_CHAR26: |
| 1374 | case T_SHORT1: |
| 1375 | case T_U_SHORT2: |
| 1376 | case T_INT4: |
| 1377 | (*argtable)[n].intarg = va_arg(ap, int)__builtin_va_arg(ap, int); |
| 1378 | break; |
| 1379 | case TP_SHORT3: |
| 1380 | (*argtable)[n].pshortarg = va_arg(ap, short *)__builtin_va_arg(ap, short *); |
| 1381 | break; |
| 1382 | case T_U_INT5: |
| 1383 | (*argtable)[n].uintarg = va_arg(ap, unsigned int)__builtin_va_arg(ap, unsigned int); |
| 1384 | break; |
| 1385 | case TP_INT6: |
| 1386 | (*argtable)[n].pintarg = va_arg(ap, int *)__builtin_va_arg(ap, int *); |
| 1387 | break; |
| 1388 | case T_LONG7: |
| 1389 | (*argtable)[n].longarg = va_arg(ap, long)__builtin_va_arg(ap, long); |
| 1390 | break; |
| 1391 | case T_U_LONG8: |
| 1392 | (*argtable)[n].ulongarg = va_arg(ap, unsigned long)__builtin_va_arg(ap, unsigned long); |
| 1393 | break; |
| 1394 | case TP_LONG9: |
| 1395 | (*argtable)[n].plongarg = va_arg(ap, long *)__builtin_va_arg(ap, long *); |
| 1396 | break; |
| 1397 | case T_LLONG10: |
| 1398 | (*argtable)[n].longlongarg = va_arg(ap, long long)__builtin_va_arg(ap, long long); |
| 1399 | break; |
| 1400 | case T_U_LLONG11: |
| 1401 | (*argtable)[n].ulonglongarg = va_arg(ap, unsigned long long)__builtin_va_arg(ap, unsigned long long); |
| 1402 | break; |
| 1403 | case TP_LLONG12: |
| 1404 | (*argtable)[n].plonglongarg = va_arg(ap, long long *)__builtin_va_arg(ap, long long *); |
| 1405 | break; |
| 1406 | #ifdef FLOATING_POINT1 |
| 1407 | case T_DOUBLE13: |
| 1408 | (*argtable)[n].doublearg = va_arg(ap, double)__builtin_va_arg(ap, double); |
| 1409 | break; |
| 1410 | case T_LONG_DOUBLE14: |
| 1411 | (*argtable)[n].longdoublearg = va_arg(ap, long double)__builtin_va_arg(ap, long double); |
| 1412 | break; |
| 1413 | #endif |
| 1414 | case TP_CHAR15: |
| 1415 | (*argtable)[n].pchararg = va_arg(ap, char *)__builtin_va_arg(ap, char *); |
| 1416 | break; |
| 1417 | case TP_VOID16: |
| 1418 | (*argtable)[n].pvoidarg = va_arg(ap, void *)__builtin_va_arg(ap, void *); |
| 1419 | break; |
| 1420 | case T_PTRINT17: |
| 1421 | (*argtable)[n].ptrdiffarg = va_arg(ap, ptrdiff_t)__builtin_va_arg(ap, ptrdiff_t); |
| 1422 | break; |
| 1423 | case TP_PTRINT18: |
| 1424 | (*argtable)[n].pptrdiffarg = va_arg(ap, ptrdiff_t *)__builtin_va_arg(ap, ptrdiff_t *); |
| 1425 | break; |
| 1426 | case T_SIZEINT19: |
| 1427 | (*argtable)[n].sizearg = va_arg(ap, size_t)__builtin_va_arg(ap, size_t); |
| 1428 | break; |
| 1429 | case T_SSIZEINT20: |
| 1430 | (*argtable)[n].ssizearg = va_arg(ap, ssize_t)__builtin_va_arg(ap, ssize_t); |
| 1431 | break; |
| 1432 | case TP_SSIZEINT21: |
| 1433 | (*argtable)[n].pssizearg = va_arg(ap, ssize_t *)__builtin_va_arg(ap, ssize_t *); |
| 1434 | break; |
| 1435 | case T_MAXINT22: |
| 1436 | (*argtable)[n].intmaxarg = va_arg(ap, intmax_t)__builtin_va_arg(ap, intmax_t); |
| 1437 | break; |
| 1438 | case T_MAXUINT23: |
| 1439 | (*argtable)[n].uintmaxarg = va_arg(ap, uintmax_t)__builtin_va_arg(ap, uintmax_t); |
| 1440 | break; |
| 1441 | case TP_MAXINT24: |
| 1442 | (*argtable)[n].pintmaxarg = va_arg(ap, intmax_t *)__builtin_va_arg(ap, intmax_t *); |
| 1443 | break; |
| 1444 | #ifdef PRINTF_WIDE_CHAR1 |
| 1445 | case T_WINT27: |
| 1446 | (*argtable)[n].wintarg = va_arg(ap, wint_t)__builtin_va_arg(ap, wint_t); |
| 1447 | break; |
| 1448 | case TP_WCHAR28: |
| 1449 | (*argtable)[n].pwchararg = va_arg(ap, wchar_t *)__builtin_va_arg(ap, wchar_t *); |
| 1450 | break; |
| 1451 | #endif |
| 1452 | } |
| 1453 | } |
| 1454 | goto finish; |
| 1455 | |
| 1456 | overflow: |
| 1457 | errno(*__errno()) = EOVERFLOW87; |
| 1458 | ret = -1; |
| 1459 | |
| 1460 | finish: |
| 1461 | if (typetable != NULL((void*)0) && typetable != stattypetable) { |
| 1462 | munmap(typetable, *argtablesiz); |
| 1463 | typetable = NULL((void*)0); |
| 1464 | } |
| 1465 | return (ret); |
| 1466 | } |
| 1467 | |
| 1468 | /* |
| 1469 | * Increase the size of the type table. |
| 1470 | */ |
| 1471 | static int |
| 1472 | __grow_type_table(unsigned char **typetable, int *tablesize) |
| 1473 | { |
| 1474 | unsigned char *oldtable = *typetable; |
| 1475 | int newsize = *tablesize * 2; |
| 1476 | |
| 1477 | if (newsize < getpagesize()) |
| 1478 | newsize = getpagesize(); |
| 1479 | |
| 1480 | if (*tablesize == STATIC_ARG_TBL_SIZE8) { |
| 1481 | *typetable = mmap(NULL((void*)0), newsize, PROT_WRITE0x02|PROT_READ0x01, |
| 1482 | MAP_ANON0x1000|MAP_PRIVATE0x0002, -1, 0); |
| 1483 | if (*typetable == MAP_FAILED((void *)-1)) |
| 1484 | return (-1); |
| 1485 | bcopy(oldtable, *typetable, *tablesize); |
| 1486 | } else { |
| 1487 | unsigned char *new = mmap(NULL((void*)0), newsize, PROT_WRITE0x02|PROT_READ0x01, |
| 1488 | MAP_ANON0x1000|MAP_PRIVATE0x0002, -1, 0); |
| 1489 | if (new == MAP_FAILED((void *)-1)) |
| 1490 | return (-1); |
| 1491 | memmove(new, *typetable, *tablesize); |
| 1492 | munmap(*typetable, *tablesize); |
| 1493 | *typetable = new; |
| 1494 | } |
| 1495 | memset(*typetable + *tablesize, T_UNUSED0, (newsize - *tablesize)); |
| 1496 | |
| 1497 | *tablesize = newsize; |
| 1498 | return (0); |
| 1499 | } |
| 1500 | |
| 1501 | |
| 1502 | #ifdef FLOATING_POINT1 |
| 1503 | static int |
| 1504 | exponent(char *p0, int exp, int fmtch) |
| 1505 | { |
| 1506 | char *p, *t; |
| 1507 | char expbuf[MAXEXPDIG6]; |
| 1508 | |
| 1509 | p = p0; |
| 1510 | *p++ = fmtch; |
| 1511 | if (exp < 0) { |
| 1512 | exp = -exp; |
| 1513 | *p++ = '-'; |
| 1514 | } else |
| 1515 | *p++ = '+'; |
| 1516 | t = expbuf + MAXEXPDIG6; |
| 1517 | if (exp > 9) { |
| 1518 | do { |
| 1519 | *--t = to_char(exp % 10)((exp % 10) + '0'); |
| 1520 | } while ((exp /= 10) > 9); |
| 1521 | *--t = to_char(exp)((exp) + '0'); |
| 1522 | for (; t < expbuf + MAXEXPDIG6; *p++ = *t++) |
| 1523 | /* nothing */; |
| 1524 | } else { |
| 1525 | /* |
| 1526 | * Exponents for decimal floating point conversions |
| 1527 | * (%[eEgG]) must be at least two characters long, |
| 1528 | * whereas exponents for hexadecimal conversions can |
| 1529 | * be only one character long. |
| 1530 | */ |
| 1531 | if (fmtch == 'e' || fmtch == 'E') |
| 1532 | *p++ = '0'; |
| 1533 | *p++ = to_char(exp)((exp) + '0'); |
| 1534 | } |
| 1535 | return (p - p0); |
| 1536 | } |
| 1537 | #endif /* FLOATING_POINT */ |