Bug Summary

File:src/usr.bin/rpcgen/rpc_cout.c
Warning:line 526, column 7
Null pointer passed as 1st argument to string concatenation function

Annotated Source Code

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clang -cc1 -cc1 -triple amd64-unknown-openbsd7.4 -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name rpc_cout.c -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 1 -pic-is-pie -mframe-pointer=all -relaxed-aliasing -ffp-contract=on -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -target-feature +retpoline-indirect-calls -target-feature +retpoline-indirect-branches -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/usr/src/usr.bin/rpcgen/obj -resource-dir /usr/local/llvm16/lib/clang/16 -internal-isystem /usr/local/llvm16/lib/clang/16/include -internal-externc-isystem /usr/include -O2 -fdebug-compilation-dir=/usr/src/usr.bin/rpcgen/obj -ferror-limit 19 -fwrapv -D_RET_PROTECTOR -ret-protector -fcf-protection=branch -fno-jump-tables -fgnuc-version=4.2.1 -vectorize-loops -vectorize-slp -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-valloc -fno-builtin-free -fno-builtin-strdup -fno-builtin-strndup -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /home/ben/Projects/scan/2024-01-11-140451-98009-1 -x c /usr/src/usr.bin/rpcgen/rpc_cout.c
1/* $OpenBSD: rpc_cout.c,v 1.29 2023/03/08 04:43:12 guenther Exp $ */
2/* $NetBSD: rpc_cout.c,v 1.6 1996/10/01 04:13:53 cgd Exp $ */
3
4/*
5 * Copyright (c) 2010, Oracle America, Inc.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are
9 * met:
10 *
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * * Redistributions in binary form must reproduce the above
14 * copyright notice, this list of conditions and the following
15 * disclaimer in the documentation and/or other materials
16 * provided with the distribution.
17 * * Neither the name of the "Oracle America, Inc." nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
28 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
30 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
31 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35/*
36 * rpc_cout.c, XDR routine outputter for the RPC protocol compiler
37 */
38#include <stdio.h>
39#include <stdlib.h>
40#include <string.h>
41#include <ctype.h>
42#include "rpc_parse.h"
43#include "rpc_util.h"
44
45static int findtype(definition *, char *);
46static int undefined(char *);
47static void print_generic_header(char *, int);
48static void print_header(definition *);
49static void print_prog_header(proc_list *);
50static void print_trailer(void);
51static void print_ifopen(int, char *);
52static void print_ifarg(char *);
53static void print_ifsizeof(char *, char *);
54static void print_ifclose(int);
55static void print_ifstat(int, char *, char *, relation, char *, char *, char *);
56static void emit_program(definition *);
57static void emit_enum(definition *);
58static void emit_union(definition *);
59static void emit_struct(definition *);
60static void emit_typedef(definition *);
61static void print_stat(int, declaration *);
62void emit_inline(declaration *, int);
63void emit_single_in_line(declaration *, int, relation);
64
65/*
66 * Emit the C-routine for the given definition
67 */
68void
69emit(def)
70 definition *def;
71{
72 if (def->def_kind == DEF_CONST) {
73 return;
74 }
75 if (def->def_kind == DEF_PROGRAM) {
76 emit_program(def);
77 return;
78 }
79 if (def->def_kind == DEF_TYPEDEF) {
80 /* now we need to handle declarations like struct typedef foo
81 * foo; since we dont want this to be expanded into 2 calls to
82 * xdr_foo */
83
84 if (strcmp(def->def.ty.old_type, def->def_name) == 0)
85 return;
86 }
87
88 print_header(def);
89 switch (def->def_kind) {
90 case DEF_UNION:
91 emit_union(def);
92 break;
93 case DEF_ENUM:
94 emit_enum(def);
95 break;
96 case DEF_STRUCT:
97 emit_struct(def);
98 break;
99 case DEF_TYPEDEF:
100 emit_typedef(def);
101 break;
102 default:
103 break;
104 }
105 print_trailer();
106}
107
108static int
109findtype(def, type)
110 definition *def;
111 char *type;
112{
113
114 if (def->def_kind == DEF_PROGRAM || def->def_kind == DEF_CONST) {
115 return (0);
116 } else {
117 return (streq(def->def_name, type));
118 }
119}
120
121static int
122undefined(type)
123 char *type;
124{
125 definition *def;
126
127 def = (definition *) FINDVAL(defined, type, findtype)findval(defined, type, findtype);
128 return (def == NULL((void *)0));
129}
130
131static void
132print_generic_header(procname, pointerp)
133 char *procname;
134 int pointerp;
135{
136 fprintf(fout, "\n");
137 fprintf(fout, "bool_t\n");
138 if (Cflag) {
139 fprintf(fout, "xdr_%s(", procname);
140 fprintf(fout, "XDR *xdrs, ");
141 fprintf(fout, "%s ", procname);
142 if (pointerp)
143 fprintf(fout, "*");
144 fprintf(fout, "objp)\n{\n");
145 } else {
146 fprintf(fout, "xdr_%s(xdrs, objp)\n", procname);
147 fprintf(fout, "\tXDR *xdrs;\n");
148 fprintf(fout, "\t%s ", procname);
149 if (pointerp)
150 fprintf(fout, "*");
151 fprintf(fout, "objp;\n{\n");
152 }
153}
154
155static void
156print_header(def)
157 definition *def;
158{
159 print_generic_header(def->def_name,
160 def->def_kind != DEF_TYPEDEF ||
161 !isvectordef(def->def.ty.old_type, def->def.ty.rel));
162
163 /* Now add Inline support */
164
165 if (doinline == 0)
166 return;
167}
168
169static void
170print_prog_header(plist)
171 proc_list *plist;
172{
173 print_generic_header(plist->args.argname, 1);
174}
175
176static void
177print_trailer()
178{
179 fprintf(fout, "\treturn (TRUE);\n");
180 fprintf(fout, "}\n");
181}
182
183static void
184print_ifopen(indent, name)
185 int indent;
186 char *name;
187{
188 tabify(fout, indent);
189 fprintf(fout, "if (!xdr_%s(xdrs", name);
190}
191
192static void
193print_ifarg(arg)
194 char *arg;
195{
196 fprintf(fout, ", %s", arg);
197}
198
199static void
200print_ifsizeof(prefix, type)
201 char *prefix;
202 char *type;
203{
204 if (streq(type, "bool")) {
205 fprintf(fout, ", sizeof(bool_t), (xdrproc_t)xdr_bool");
206 } else {
207 fprintf(fout, ", sizeof(");
208 if (undefined(type) && prefix) {
209 fprintf(fout, "%s ", prefix);
210 }
211 fprintf(fout, "%s), (xdrproc_t)xdr_%s", type, type);
212 }
213}
214
215static void
216print_ifclose(indent)
217 int indent;
218{
219 fprintf(fout, "))\n");
220 tabify(fout, indent);
221 fprintf(fout, "\treturn (FALSE);\n");
222}
223
224static void
225print_ifstat(indent, prefix, type, rel, amax, objname, name)
226 int indent;
227 char *prefix;
228 char *type;
229 relation rel;
230 char *amax;
231 char *objname;
232 char *name;
233{
234 char *alt = NULL((void *)0);
235
236 switch (rel) {
237 case REL_POINTER:
238 print_ifopen(indent, "pointer");
239 print_ifarg("(char **)");
240 fprintf(fout, "%s", objname);
241 print_ifsizeof(prefix, type);
242 break;
243 case REL_VECTOR:
244 if (streq(type, "string")) {
245 alt = "string";
246 } else
247 if (streq(type, "opaque")) {
248 alt = "opaque";
249 }
250 if (alt) {
251 print_ifopen(indent, alt);
252 print_ifarg(objname);
253 print_ifarg(amax);
254 } else {
255 print_ifopen(indent, "vector");
256 print_ifarg("(char *)");
257 fprintf(fout, "%s,\n", objname);
258 tabify(fout, indent);
259 fprintf(fout, " %s", amax);
260 }
261 if (!alt) {
262 print_ifsizeof(prefix, type);
263 }
264 break;
265 case REL_ARRAY:
266 if (streq(type, "string")) {
267 alt = "string";
268 } else
269 if (streq(type, "opaque")) {
270 alt = "bytes";
271 }
272 if (streq(type, "string")) {
273 print_ifopen(indent, alt);
274 print_ifarg(objname);
275 print_ifarg(amax);
276 } else {
277 if (alt) {
278 print_ifopen(indent, alt);
279 } else {
280 print_ifopen(indent, "array");
281 }
282 print_ifarg("(char **)");
283 if (*objname == '&') {
284 fprintf(fout, "%s.%s_val,\n\t (u_int *)%s.%s_len",
285 objname, name, objname, name);
286 } else {
287 fprintf(fout, "&%s->%s_val,\n\t (u_int *)&%s->%s_len",
288 objname, name, objname, name);
289 }
290 fprintf(fout, ",\n\t %s", amax);
291 }
292 if (!alt) {
293 print_ifsizeof(prefix, type);
294 }
295 break;
296 case REL_ALIAS:
297 print_ifopen(indent, type);
298 print_ifarg(objname);
299 break;
300 }
301 print_ifclose(indent);
302}
303
304static void
305emit_enum(def)
306 definition *def;
307{
308 fprintf(fout, "\n");
309
310 print_ifopen(1, "enum");
311 print_ifarg("(enum_t *)objp");
312 print_ifclose(1);
313}
314
315static void
316emit_program(def)
317 definition *def;
318{
319 decl_list *dl;
320 version_list *vlist;
321 proc_list *plist;
322
323 for (vlist = def->def.pr.versions; vlist != NULL((void *)0); vlist = vlist->next)
324 for (plist = vlist->procs; plist != NULL((void *)0); plist = plist->next) {
325 if (!newstyle || plist->arg_num < 2)
326 continue; /* old style, or single
327 * argument */
328 print_prog_header(plist);
329 for (dl = plist->args.decls; dl != NULL((void *)0);
330 dl = dl->next)
331 print_stat(1, &dl->decl);
332 print_trailer();
333 }
334}
335
336static void
337emit_union(def)
338 definition *def;
339{
340 declaration *dflt;
341 case_list *cl;
342 declaration *cs;
343 char *object;
344 static const char vecformat[] = "objp->%s_u.%s";
345 static const char format[] = "&objp->%s_u.%s";
346
347 fprintf(fout, "\n");
348 print_stat(1, &def->def.un.enum_decl);
349 fprintf(fout, "\tswitch (objp->%s) {\n", def->def.un.enum_decl.name);
350 for (cl = def->def.un.cases; cl != NULL((void *)0); cl = cl->next) {
351 fprintf(fout, "\tcase %s:\n", cl->case_name);
352 if (cl->contflag == 1) /* a continued case statement */
353 continue;
354 cs = &cl->case_decl;
355 if (!streq(cs->type, "void")) {
356 int len = strlen(def->def_name) + strlen(format) +
357 strlen(cs->name) + 1;
358
359 object = malloc(len);
360 if (object == NULL((void *)0)) {
361 fprintf(stderr(&__sF[2]), "Fatal error: no memory\n");
362 crash();
363 }
364 if (isvectordef(cs->type, cs->rel)) {
365 snprintf(object, len, vecformat, def->def_name,
366 cs->name);
367 } else {
368 snprintf(object, len, format, def->def_name,
369 cs->name);
370 }
371 print_ifstat(2, cs->prefix, cs->type, cs->rel, cs->array_max,
372 object, cs->name);
373 free(object);
374 }
375 fprintf(fout, "\t\tbreak;\n");
376 }
377 dflt = def->def.un.default_decl;
378 fprintf(fout, "\tdefault:\n");
379 if (dflt != NULL((void *)0)) {
380 if (!streq(dflt->type, "void")) {
381 int len = strlen(def->def_name) + strlen(format) +
382 strlen(dflt->name) + 1;
383
384 object = malloc(len);
385 if (object == NULL((void *)0)) {
386 fprintf(stderr(&__sF[2]), "Fatal error: no memory\n");
387 crash();
388 }
389 if (isvectordef(dflt->type, dflt->rel)) {
390 snprintf(object, len, vecformat, def->def_name,
391 dflt->name);
392 } else {
393 snprintf(object, len, format, def->def_name,
394 dflt->name);
395 }
396
397 print_ifstat(2, dflt->prefix, dflt->type, dflt->rel,
398 dflt->array_max, object, dflt->name);
399 free(object);
400 }
401 fprintf(fout, "\t\tbreak;\n");
402 } else {
403 fprintf(fout, "\t\treturn (FALSE);\n");
404 }
405
406 fprintf(fout, "\t}\n");
407}
408
409static void
410emit_struct(def)
411 definition *def;
412{
413 decl_list *dl;
414 int i, j, size, flag;
415 decl_list *cur, *psav;
416 bas_type *ptr;
417 char *sizestr, *plus;
418 char ptemp[256];
419 int can_inline;
420
421 if (doinline == 0) {
1
Assuming 'doinline' is not equal to 0
→
2
←
Taking false branch
→
422 for (dl = def->def.st.decls; dl != NULL((void *)0); dl = dl->next)
423 print_stat(1, &dl->decl);
424 return;
425 }
426 for (dl = def->def.st.decls; dl != NULL((void *)0); dl = dl->next)
3
←
Assuming 'dl' is not equal to NULL
→
427 if (dl->decl.rel == REL_VECTOR &&
4
←
Assuming field 'rel' is equal to REL_VECTOR
→
6
←
Taking true branch
→
428 strcmp(dl->decl.type, "opaque") != 0) {
5
←
Assuming the condition is true
→
429 fprintf(fout, "\tint i;\n");
430 break;
431 }
432 fprintf(fout, "\n");
433
434 size = 0;
435 can_inline = 0;
436 for (dl = def->def.st.decls; dl
6.1
'dl' is not equal to NULL
 != NULL((void *)0); dl = dl->next)
437 if (dl->decl.prefix == NULL((void *)0) &&
7
←
Assuming field 'prefix' is equal to NULL
→
438 (ptr = find_type(dl->decl.type)) != NULL((void *)0) &&
8
←
Assuming the condition is false
→
439 (dl->decl.rel == REL_ALIAS || dl->decl.rel == REL_VECTOR)) {
440 if (dl->decl.rel == REL_ALIAS)
441 size += ptr->length;
442 else {
443 can_inline = 1;
444 break; /* can be inlined */
445 }
446 } else {
447 if (size >= doinline) {
9
←
Assuming 'size' is >= 'doinline'
→
10
←
Taking true branch
→
448 can_inline = 1;
449 break; /* can be inlined */
450 }
451 size = 0;
452 }
453 if (size > doinline)
11
←
 Execution continues on line 453
→
12
←
Assuming 'size' is <= 'doinline'
→
13
←
Taking false branch
→
454 can_inline = 1;
455
456 if (can_inline
13.1
'can_inline' is not equal to 0
 == 0) { /* can not inline, drop back to old mode */
14
←
Taking false branch
→
457 fprintf(fout, "\n");
458 for (dl = def->def.st.decls; dl != NULL((void *)0); dl = dl->next)
459 print_stat(1, &dl->decl);
460 return;
461 }
462
463 /* May cause lint to complain. but ... */
464 fprintf(fout, "\tint32_t *buf;\n");
465
466 flag = PUT1;
467 for (j = 0; j < 2; j++) {
15
←
Loop condition is true. Entering loop body
→
468 if (flag
15.1
'flag' is equal to PUT
 == PUT1)
16
←
Taking true branch
→
469 fprintf(fout, "\n\tif (xdrs->x_op == XDR_ENCODE) {\n");
470 else
471 fprintf(fout, "\t\treturn (TRUE);\n\t} else if (xdrs->x_op == XDR_DECODE) {\n");
472
473 i = 0;
474 size = 0;
475 sizestr = NULL((void *)0);
476 for (dl = def->def.st.decls; dl
16.1
'dl' is not equal to NULL
 != NULL((void *)0); dl = dl->next) { /* xxx */
27
←
Assuming 'dl' is not equal to NULL
→
477
478 /* now walk down the list and check for basic types */
479 if (dl->decl.prefix
16.2
Field 'prefix' is equal to NULL
 == NULL((void *)0) &&
18
←
Taking true branch
→
28
←
Assuming field 'prefix' is equal to NULL
→
32
←
Taking true branch
→
480 (ptr = find_type(dl->decl.type)) != NULL((void *)0) &&
17
←
Assuming the condition is true
→
29
←
Assuming the condition is true
→
481 (dl->decl.rel
17.1
Field 'rel' is not equal to REL_ALIAS
 == REL_ALIAS || dl->decl.rel
17.2
Field 'rel' is equal to REL_VECTOR
 == REL_VECTOR)) {
30
←
Assuming field 'rel' is not equal to REL_ALIAS
→
31
←
Assuming field 'rel' is equal to REL_VECTOR
→
482 if (i
18.1
'i' is equal to 0
32.1
'i' is not equal to 0
 == 0)
19
←
Taking true branch
→
33
←
Taking false branch
→
483 cur = dl;
484 i++;
485
486 if (dl->decl.rel
19.1
Field 'rel' is not equal to REL_ALIAS
33.1
Field 'rel' is not equal to REL_ALIAS
 == REL_ALIAS)
20
←
Taking false branch
→
34
←
Taking false branch
→
487 size += ptr->length;
488 else {
489 /* this is required to handle arrays */
490
491 if (sizestr
20.1
'sizestr' is equal to NULL
34.1
'sizestr' is not equal to NULL
 == NULL((void *)0))
21
←
Taking true branch
→
35
←
Taking false branch
→
492 plus = "";
493 else
494 plus = "+";
495
496 if (ptr->length != 1)
22
←
Assuming field 'length' is equal to 1
→
23
←
Taking false branch
→
36
←
Assuming field 'length' is equal to 1
→
37
←
Taking false branch
→
497 snprintf(ptemp, sizeof ptemp,
498 "%s%s* %d", plus,
499 dl->decl.array_max,
500 ptr->length);
501 else
502 snprintf(ptemp, sizeof ptemp,
503 "%s%s", plus,
504 dl->decl.array_max);
505
506 /* now concatenate to sizestr !!!! */
507 if (sizestr
23.1
'sizestr' is equal to NULL
37.1
'sizestr' is not equal to NULL
 == NULL((void *)0)) {
24
←
Taking true branch
→
38
←
Taking false branch
→
508 sizestr = strdup(ptemp);
509 if (sizestr == NULL((void *)0)) {
25
←
Assuming 'sizestr' is not equal to NULL
→
26
←
Taking false branch
→
510 fprintf(stderr(&__sF[2]),
511 "Fatal error: no memory\n");
512 crash();
513 }
514 } else {
515 size_t len;
516
517 len = strlen(sizestr) +
518 strlen(ptemp) + 1;
519 sizestr = realloc(sizestr, len);
39
←
Value assigned to 'sizestr'
→
520 if (sizestr == NULL((void *)0)) {
40
←
Assuming 'sizestr' is equal to NULL
→
41
←
Taking true branch
→
521 fprintf(stderr(&__sF[2]),
522 "Fatal error: no memory\n");
523 crash();
524 }
525 /* build up length of array */
526 strlcat(sizestr, ptemp, len);
42
←
Null pointer passed as 1st argument to string concatenation function
527 }
528 }
529
530 } else {
531 if (i > 0) {
532 if (sizestr == NULL((void *)0) && size < doinline) {
533 /* don't expand into inline
534 * code if size < doinline */
535 while (cur != dl) {
536 print_stat(2, &cur->decl);
537 cur = cur->next;
538 }
539 } else {
540 /* were already looking at a
541 * xdr_inlineable structure */
542 if (sizestr == NULL((void *)0))
543 fprintf(fout,
544 "\t\tbuf = (int32_t *)XDR_INLINE(xdrs,\n\t\t %d * BYTES_PER_XDR_UNIT);", size);
545 else if (size == 0)
546 fprintf(fout,
547 "\t\tbuf = (int32_t *)XDR_INLINE(xdrs,\n\t\t %s * BYTES_PER_XDR_UNIT);",
548 sizestr);
549 else
550 fprintf(fout,
551 "\t\tbuf = (int32_t *)XDR_INLINE(xdrs,\n\t\t (%d + %s) * BYTES_PER_XDR_UNIT);", size, sizestr);
552
553 fprintf(fout,
554 "\n\t\tif (buf == NULL) {\n");
555
556 psav = cur;
557 while (cur != dl) {
558 print_stat(3, &cur->decl);
559 cur = cur->next;
560 }
561
562 fprintf(fout, "\t\t} else {\n");
563
564 cur = psav;
565 while (cur != dl) {
566 emit_inline(&cur->decl, flag);
567 cur = cur->next;
568 }
569 fprintf(fout, "\t\t}\n");
570 }
571 }
572 size = 0;
573 i = 0;
574 sizestr = NULL((void *)0);
575 print_stat(2, &dl->decl);
576 }
577 }
578 if (i > 0) {
579 if (sizestr == NULL((void *)0) && size < doinline) {
580 /* don't expand into inline code if size <
581 * doinline */
582 while (cur != dl) {
583 print_stat(2, &cur->decl);
584 cur = cur->next;
585 }
586 } else {
587 /* were already looking at a xdr_inlineable
588 * structure */
589 if (sizestr == NULL((void *)0))
590 fprintf(fout, "\t\tbuf = (int32_t *)XDR_INLINE(xdrs,\n\t\t %d * BYTES_PER_XDR_UNIT);",
591 size);
592 else
593 if (size == 0)
594 fprintf(fout,
595 "\t\tbuf = (int32_t *)XDR_INLINE(xdrs,\n\t\t %s * BYTES_PER_XDR_UNIT);",
596 sizestr);
597 else
598 fprintf(fout,
599 "\t\tbuf = (int32_t *)XDR_INLINE(xdrs,\n\t\t (%d + %s) * BYTES_PER_XDR_UNIT);",
600 size, sizestr);
601
602 fprintf(fout, "\n\t\tif (buf == NULL) {\n");
603
604 psav = cur;
605 while (cur != NULL((void *)0)) {
606 print_stat(3, &cur->decl);
607 cur = cur->next;
608 }
609 fprintf(fout, "\t\t} else {\n");
610
611 cur = psav;
612 while (cur != dl) {
613 emit_inline(&cur->decl, flag);
614 cur = cur->next;
615 }
616
617 fprintf(fout, "\t\t}\n");
618
619 }
620 }
621 flag = GET2;
622 }
623 fprintf(fout, "\t\treturn (TRUE);\n\t}\n\n");
624
625 /* now take care of XDR_FREE case */
626
627 for (dl = def->def.st.decls; dl != NULL((void *)0); dl = dl->next)
628 print_stat(1, &dl->decl);
629}
630
631static void
632emit_typedef(def)
633 definition *def;
634{
635 char *prefix = def->def.ty.old_prefix;
636 char *type = def->def.ty.old_type;
637 char *amax = def->def.ty.array_max;
638 relation rel = def->def.ty.rel;
639
640 fprintf(fout, "\n");
641 print_ifstat(1, prefix, type, rel, amax, "objp", def->def_name);
642}
643
644static void
645print_stat(indent, dec)
646 declaration *dec;
647 int indent;
648{
649 char *prefix = dec->prefix;
650 char *type = dec->type;
651 char *amax = dec->array_max;
652 relation rel = dec->rel;
653 char name[256];
654
655 if (isvectordef(type, rel)) {
656 snprintf(name, sizeof name, "objp->%s", dec->name);
657 } else {
658 snprintf(name, sizeof name, "&objp->%s", dec->name);
659 }
660 print_ifstat(indent, prefix, type, rel, amax, name, dec->name);
661}
662
663char *upcase(char *);
664
665void
666emit_inline(decl, flag)
667 declaration *decl;
668 int flag;
669{
670 /*check whether an array or not */
671
672 switch (decl->rel) {
673 case REL_ALIAS:
674 fprintf(fout, "\t");
675 emit_single_in_line(decl, flag, REL_ALIAS);
676 break;
677 case REL_VECTOR:
678 fprintf(fout, "\t\t\t{\n\t\t\t\t%s *genp;\n\n", decl->type);
679 fprintf(fout, "\t\t\t\tfor (i = 0, genp = objp->%s;\n\t\t\t\t i < %s; i++) {\n\t\t\t",
680 decl->name, decl->array_max);
681 emit_single_in_line(decl, flag, REL_VECTOR);
682 fprintf(fout, "\t\t\t\t}\n\t\t\t}\n");
683 break;
684 default:
685 break;
686
687 }
688}
689
690void
691emit_single_in_line(decl, flag, rel)
692 declaration *decl;
693 int flag;
694 relation rel;
695{
696 char *upp_case;
697 int freed = 0;
698
699 if (flag == PUT1)
700 fprintf(fout, "\t\tIXDR_PUT_");
701 else
702 if (rel == REL_ALIAS)
703 fprintf(fout, "\t\tobjp->%s = IXDR_GET_", decl->name);
704 else
705 fprintf(fout, "\t\t*genp++ = IXDR_GET_");
706
707 upp_case = upcase(decl->type);
708
709 /* hack - XX */
710 if (strcmp(upp_case, "INT") == 0) {
711 free(upp_case);
712 freed = 1;
713 upp_case = "LONG";
714 }
715 if (strcmp(upp_case, "U_INT") == 0) {
716 free(upp_case);
717 freed = 1;
718 upp_case = "U_LONG";
719 }
720 if (flag == PUT1)
721 if (rel == REL_ALIAS)
722 fprintf(fout, "%s(buf, objp->%s);\n", upp_case, decl->name);
723 else
724 fprintf(fout, "%s(buf, *genp++);\n", upp_case);
725
726 else
727 fprintf(fout, "%s(buf);\n", upp_case);
728 if (!freed)
729 free(upp_case);
730}
731
732char *
733upcase(str)
734 char *str;
735{
736 char *ptr, *hptr;
737
738 ptr = malloc(strlen(str)+1);
739 if (ptr == (char *) NULL((void *)0)) {
740 fprintf(stderr(&__sF[2]), "malloc failed\n");
741 exit(1);
742 }
743
744 hptr = ptr;
745 while (*str != '\0')
746 *ptr++ = toupper((unsigned char)*str++);
747
748 *ptr = '\0';
749 return (hptr);
750}