File: | src/usr.bin/tmux/arguments.c |
Warning: | line 669, column 3 3rd function call argument is an uninitialized value |
Press '?' to see keyboard shortcuts
Keyboard shortcuts:
1 | /* $OpenBSD: arguments.c,v 1.52 2021/11/02 10:57:04 nicm Exp $ */ | |||
2 | ||||
3 | /* | |||
4 | * Copyright (c) 2010 Nicholas Marriott <nicholas.marriott@gmail.com> | |||
5 | * | |||
6 | * Permission to use, copy, modify, and distribute this software for any | |||
7 | * purpose with or without fee is hereby granted, provided that the above | |||
8 | * copyright notice and this permission notice appear in all copies. | |||
9 | * | |||
10 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |||
11 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |||
12 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |||
13 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |||
14 | * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER | |||
15 | * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING | |||
16 | * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |||
17 | */ | |||
18 | ||||
19 | #include <sys/types.h> | |||
20 | ||||
21 | #include <ctype.h> | |||
22 | #include <stdlib.h> | |||
23 | #include <string.h> | |||
24 | #include <vis.h> | |||
25 | ||||
26 | #include "tmux.h" | |||
27 | ||||
28 | /* | |||
29 | * Manipulate command arguments. | |||
30 | */ | |||
31 | ||||
32 | /* List of argument values. */ | |||
33 | TAILQ_HEAD(args_values, args_value)struct args_values { struct args_value *tqh_first; struct args_value **tqh_last; }; | |||
34 | ||||
35 | /* Single arguments flag. */ | |||
36 | struct args_entry { | |||
37 | u_char flag; | |||
38 | struct args_values values; | |||
39 | u_int count; | |||
40 | RB_ENTRY(args_entry)struct { struct args_entry *rbe_left; struct args_entry *rbe_right ; struct args_entry *rbe_parent; int rbe_color; } entry; | |||
41 | }; | |||
42 | ||||
43 | /* Parsed argument flags and values. */ | |||
44 | struct args { | |||
45 | struct args_tree tree; | |||
46 | u_int count; | |||
47 | struct args_value *values; | |||
48 | }; | |||
49 | ||||
50 | /* Prepared command state. */ | |||
51 | struct args_command_state { | |||
52 | struct cmd_list *cmdlist; | |||
53 | char *cmd; | |||
54 | struct cmd_parse_input pi; | |||
55 | }; | |||
56 | ||||
57 | static struct args_entry *args_find(struct args *, u_char); | |||
58 | ||||
59 | static int args_cmp(struct args_entry *, struct args_entry *); | |||
60 | RB_GENERATE_STATIC(args_tree, args_entry, entry, args_cmp)__attribute__((__unused__)) static void args_tree_RB_INSERT_COLOR (struct args_tree *head, struct args_entry *elm) { struct args_entry *parent, *gparent, *tmp; while ((parent = (elm)->entry.rbe_parent ) && (parent)->entry.rbe_color == 1) { gparent = ( parent)->entry.rbe_parent; if (parent == (gparent)->entry .rbe_left) { tmp = (gparent)->entry.rbe_right; if (tmp && (tmp)->entry.rbe_color == 1) { (tmp)->entry.rbe_color = 0; do { (parent)->entry.rbe_color = 0; (gparent)->entry .rbe_color = 1; } while (0); elm = gparent; continue; } if (( parent)->entry.rbe_right == elm) { do { (tmp) = (parent)-> entry.rbe_right; if (((parent)->entry.rbe_right = (tmp)-> entry.rbe_left)) { ((tmp)->entry.rbe_left)->entry.rbe_parent = (parent); } do {} while (0); if (((tmp)->entry.rbe_parent = (parent)->entry.rbe_parent)) { if ((parent) == ((parent )->entry.rbe_parent)->entry.rbe_left) ((parent)->entry .rbe_parent)->entry.rbe_left = (tmp); else ((parent)->entry .rbe_parent)->entry.rbe_right = (tmp); } else (head)->rbh_root = (tmp); (tmp)->entry.rbe_left = (parent); (parent)->entry .rbe_parent = (tmp); do {} while (0); if (((tmp)->entry.rbe_parent )) do {} while (0); } while (0); tmp = parent; parent = elm; elm = tmp; } do { (parent)->entry.rbe_color = 0; (gparent)-> entry.rbe_color = 1; } while (0); do { (tmp) = (gparent)-> entry.rbe_left; if (((gparent)->entry.rbe_left = (tmp)-> entry.rbe_right)) { ((tmp)->entry.rbe_right)->entry.rbe_parent = (gparent); } do {} while (0); if (((tmp)->entry.rbe_parent = (gparent)->entry.rbe_parent)) { if ((gparent) == ((gparent )->entry.rbe_parent)->entry.rbe_left) ((gparent)->entry .rbe_parent)->entry.rbe_left = (tmp); else ((gparent)-> entry.rbe_parent)->entry.rbe_right = (tmp); } else (head)-> rbh_root = (tmp); (tmp)->entry.rbe_right = (gparent); (gparent )->entry.rbe_parent = (tmp); do {} while (0); if (((tmp)-> entry.rbe_parent)) do {} while (0); } while (0); } else { tmp = (gparent)->entry.rbe_left; if (tmp && (tmp)-> entry.rbe_color == 1) { (tmp)->entry.rbe_color = 0; do { ( parent)->entry.rbe_color = 0; (gparent)->entry.rbe_color = 1; } while (0); elm = gparent; continue; } if ((parent)-> entry.rbe_left == elm) { do { (tmp) = (parent)->entry.rbe_left ; if (((parent)->entry.rbe_left = (tmp)->entry.rbe_right )) { ((tmp)->entry.rbe_right)->entry.rbe_parent = (parent ); } do {} while (0); if (((tmp)->entry.rbe_parent = (parent )->entry.rbe_parent)) { if ((parent) == ((parent)->entry .rbe_parent)->entry.rbe_left) ((parent)->entry.rbe_parent )->entry.rbe_left = (tmp); else ((parent)->entry.rbe_parent )->entry.rbe_right = (tmp); } else (head)->rbh_root = ( tmp); (tmp)->entry.rbe_right = (parent); (parent)->entry .rbe_parent = (tmp); do {} while (0); if (((tmp)->entry.rbe_parent )) do {} while (0); } while (0); tmp = parent; parent = elm; elm = tmp; } do { (parent)->entry.rbe_color = 0; (gparent)-> entry.rbe_color = 1; } while (0); do { (tmp) = (gparent)-> entry.rbe_right; if (((gparent)->entry.rbe_right = (tmp)-> entry.rbe_left)) { ((tmp)->entry.rbe_left)->entry.rbe_parent = (gparent); } do {} while (0); if (((tmp)->entry.rbe_parent = (gparent)->entry.rbe_parent)) { if ((gparent) == ((gparent )->entry.rbe_parent)->entry.rbe_left) ((gparent)->entry .rbe_parent)->entry.rbe_left = (tmp); else ((gparent)-> entry.rbe_parent)->entry.rbe_right = (tmp); } else (head)-> rbh_root = (tmp); (tmp)->entry.rbe_left = (gparent); (gparent )->entry.rbe_parent = (tmp); do {} while (0); if (((tmp)-> entry.rbe_parent)) do {} while (0); } while (0); } } (head-> rbh_root)->entry.rbe_color = 0; } __attribute__((__unused__ )) static void args_tree_RB_REMOVE_COLOR(struct args_tree *head , struct args_entry *parent, struct args_entry *elm) { struct args_entry *tmp; while ((elm == ((void *)0) || (elm)->entry .rbe_color == 0) && elm != (head)->rbh_root) { if ( (parent)->entry.rbe_left == elm) { tmp = (parent)->entry .rbe_right; if ((tmp)->entry.rbe_color == 1) { do { (tmp)-> entry.rbe_color = 0; (parent)->entry.rbe_color = 1; } while (0); do { (tmp) = (parent)->entry.rbe_right; if (((parent )->entry.rbe_right = (tmp)->entry.rbe_left)) { ((tmp)-> entry.rbe_left)->entry.rbe_parent = (parent); } do {} while (0); if (((tmp)->entry.rbe_parent = (parent)->entry.rbe_parent )) { if ((parent) == ((parent)->entry.rbe_parent)->entry .rbe_left) ((parent)->entry.rbe_parent)->entry.rbe_left = (tmp); else ((parent)->entry.rbe_parent)->entry.rbe_right = (tmp); } else (head)->rbh_root = (tmp); (tmp)->entry .rbe_left = (parent); (parent)->entry.rbe_parent = (tmp); do {} while (0); if (((tmp)->entry.rbe_parent)) do {} while ( 0); } while (0); tmp = (parent)->entry.rbe_right; } if ((( tmp)->entry.rbe_left == ((void *)0) || ((tmp)->entry.rbe_left )->entry.rbe_color == 0) && ((tmp)->entry.rbe_right == ((void *)0) || ((tmp)->entry.rbe_right)->entry.rbe_color == 0)) { (tmp)->entry.rbe_color = 1; elm = parent; parent = (elm)->entry.rbe_parent; } else { if ((tmp)->entry.rbe_right == ((void *)0) || ((tmp)->entry.rbe_right)->entry.rbe_color == 0) { struct args_entry *oleft; if ((oleft = (tmp)->entry .rbe_left)) (oleft)->entry.rbe_color = 0; (tmp)->entry. rbe_color = 1; do { (oleft) = (tmp)->entry.rbe_left; if (( (tmp)->entry.rbe_left = (oleft)->entry.rbe_right)) { (( oleft)->entry.rbe_right)->entry.rbe_parent = (tmp); } do {} while (0); if (((oleft)->entry.rbe_parent = (tmp)-> entry.rbe_parent)) { if ((tmp) == ((tmp)->entry.rbe_parent )->entry.rbe_left) ((tmp)->entry.rbe_parent)->entry. rbe_left = (oleft); else ((tmp)->entry.rbe_parent)->entry .rbe_right = (oleft); } else (head)->rbh_root = (oleft); ( oleft)->entry.rbe_right = (tmp); (tmp)->entry.rbe_parent = (oleft); do {} while (0); if (((oleft)->entry.rbe_parent )) do {} while (0); } while (0); tmp = (parent)->entry.rbe_right ; } (tmp)->entry.rbe_color = (parent)->entry.rbe_color; (parent)->entry.rbe_color = 0; if ((tmp)->entry.rbe_right ) ((tmp)->entry.rbe_right)->entry.rbe_color = 0; do { ( tmp) = (parent)->entry.rbe_right; if (((parent)->entry. rbe_right = (tmp)->entry.rbe_left)) { ((tmp)->entry.rbe_left )->entry.rbe_parent = (parent); } do {} while (0); if (((tmp )->entry.rbe_parent = (parent)->entry.rbe_parent)) { if ((parent) == ((parent)->entry.rbe_parent)->entry.rbe_left ) ((parent)->entry.rbe_parent)->entry.rbe_left = (tmp); else ((parent)->entry.rbe_parent)->entry.rbe_right = ( tmp); } else (head)->rbh_root = (tmp); (tmp)->entry.rbe_left = (parent); (parent)->entry.rbe_parent = (tmp); do {} while (0); if (((tmp)->entry.rbe_parent)) do {} while (0); } while (0); elm = (head)->rbh_root; break; } } else { tmp = (parent )->entry.rbe_left; if ((tmp)->entry.rbe_color == 1) { do { (tmp)->entry.rbe_color = 0; (parent)->entry.rbe_color = 1; } while (0); do { (tmp) = (parent)->entry.rbe_left; if (((parent)->entry.rbe_left = (tmp)->entry.rbe_right)) { ((tmp)->entry.rbe_right)->entry.rbe_parent = (parent); } do {} while (0); if (((tmp)->entry.rbe_parent = (parent )->entry.rbe_parent)) { if ((parent) == ((parent)->entry .rbe_parent)->entry.rbe_left) ((parent)->entry.rbe_parent )->entry.rbe_left = (tmp); else ((parent)->entry.rbe_parent )->entry.rbe_right = (tmp); } else (head)->rbh_root = ( tmp); (tmp)->entry.rbe_right = (parent); (parent)->entry .rbe_parent = (tmp); do {} while (0); if (((tmp)->entry.rbe_parent )) do {} while (0); } while (0); tmp = (parent)->entry.rbe_left ; } if (((tmp)->entry.rbe_left == ((void *)0) || ((tmp)-> entry.rbe_left)->entry.rbe_color == 0) && ((tmp)-> entry.rbe_right == ((void *)0) || ((tmp)->entry.rbe_right) ->entry.rbe_color == 0)) { (tmp)->entry.rbe_color = 1; elm = parent; parent = (elm)->entry.rbe_parent; } else { if ( (tmp)->entry.rbe_left == ((void *)0) || ((tmp)->entry.rbe_left )->entry.rbe_color == 0) { struct args_entry *oright; if ( (oright = (tmp)->entry.rbe_right)) (oright)->entry.rbe_color = 0; (tmp)->entry.rbe_color = 1; do { (oright) = (tmp)-> entry.rbe_right; if (((tmp)->entry.rbe_right = (oright)-> entry.rbe_left)) { ((oright)->entry.rbe_left)->entry.rbe_parent = (tmp); } do {} while (0); if (((oright)->entry.rbe_parent = (tmp)->entry.rbe_parent)) { if ((tmp) == ((tmp)->entry .rbe_parent)->entry.rbe_left) ((tmp)->entry.rbe_parent) ->entry.rbe_left = (oright); else ((tmp)->entry.rbe_parent )->entry.rbe_right = (oright); } else (head)->rbh_root = (oright); (oright)->entry.rbe_left = (tmp); (tmp)->entry .rbe_parent = (oright); do {} while (0); if (((oright)->entry .rbe_parent)) do {} while (0); } while (0); tmp = (parent)-> entry.rbe_left; } (tmp)->entry.rbe_color = (parent)->entry .rbe_color; (parent)->entry.rbe_color = 0; if ((tmp)->entry .rbe_left) ((tmp)->entry.rbe_left)->entry.rbe_color = 0 ; do { (tmp) = (parent)->entry.rbe_left; if (((parent)-> entry.rbe_left = (tmp)->entry.rbe_right)) { ((tmp)->entry .rbe_right)->entry.rbe_parent = (parent); } do {} while (0 ); if (((tmp)->entry.rbe_parent = (parent)->entry.rbe_parent )) { if ((parent) == ((parent)->entry.rbe_parent)->entry .rbe_left) ((parent)->entry.rbe_parent)->entry.rbe_left = (tmp); else ((parent)->entry.rbe_parent)->entry.rbe_right = (tmp); } else (head)->rbh_root = (tmp); (tmp)->entry .rbe_right = (parent); (parent)->entry.rbe_parent = (tmp); do {} while (0); if (((tmp)->entry.rbe_parent)) do {} while (0); } while (0); elm = (head)->rbh_root; break; } } } if (elm) (elm)->entry.rbe_color = 0; } __attribute__((__unused__ )) static struct args_entry * args_tree_RB_REMOVE(struct args_tree *head, struct args_entry *elm) { struct args_entry *child, * parent, *old = elm; int color; if ((elm)->entry.rbe_left == ((void *)0)) child = (elm)->entry.rbe_right; else if ((elm )->entry.rbe_right == ((void *)0)) child = (elm)->entry .rbe_left; else { struct args_entry *left; elm = (elm)->entry .rbe_right; while ((left = (elm)->entry.rbe_left)) elm = left ; child = (elm)->entry.rbe_right; parent = (elm)->entry .rbe_parent; color = (elm)->entry.rbe_color; if (child) (child )->entry.rbe_parent = parent; if (parent) { if ((parent)-> entry.rbe_left == elm) (parent)->entry.rbe_left = child; else (parent)->entry.rbe_right = child; do {} while (0); } else (head)->rbh_root = child; if ((elm)->entry.rbe_parent == old) parent = elm; (elm)->entry = (old)->entry; if ((old )->entry.rbe_parent) { if (((old)->entry.rbe_parent)-> entry.rbe_left == old) ((old)->entry.rbe_parent)->entry .rbe_left = elm; else ((old)->entry.rbe_parent)->entry. rbe_right = elm; do {} while (0); } else (head)->rbh_root = elm; ((old)->entry.rbe_left)->entry.rbe_parent = elm; if ((old)->entry.rbe_right) ((old)->entry.rbe_right)-> entry.rbe_parent = elm; if (parent) { left = parent; do { do { } while (0); } while ((left = (left)->entry.rbe_parent)); } goto color; } parent = (elm)->entry.rbe_parent; color = ( elm)->entry.rbe_color; if (child) (child)->entry.rbe_parent = parent; if (parent) { if ((parent)->entry.rbe_left == elm ) (parent)->entry.rbe_left = child; else (parent)->entry .rbe_right = child; do {} while (0); } else (head)->rbh_root = child; color: if (color == 0) args_tree_RB_REMOVE_COLOR(head , parent, child); return (old); } __attribute__((__unused__)) static struct args_entry * args_tree_RB_INSERT(struct args_tree *head, struct args_entry *elm) { struct args_entry *tmp; struct args_entry *parent = ((void *)0); int comp = 0; tmp = (head) ->rbh_root; while (tmp) { parent = tmp; comp = (args_cmp)( elm, parent); if (comp < 0) tmp = (tmp)->entry.rbe_left ; else if (comp > 0) tmp = (tmp)->entry.rbe_right; else return (tmp); } do { (elm)->entry.rbe_parent = parent; (elm )->entry.rbe_left = (elm)->entry.rbe_right = ((void *)0 ); (elm)->entry.rbe_color = 1; } while (0); if (parent != ( (void *)0)) { if (comp < 0) (parent)->entry.rbe_left = elm ; else (parent)->entry.rbe_right = elm; do {} while (0); } else (head)->rbh_root = elm; args_tree_RB_INSERT_COLOR(head , elm); return (((void *)0)); } __attribute__((__unused__)) static struct args_entry * args_tree_RB_FIND(struct args_tree *head , struct args_entry *elm) { struct args_entry *tmp = (head)-> rbh_root; int comp; while (tmp) { comp = args_cmp(elm, tmp); if (comp < 0) tmp = (tmp)->entry.rbe_left; else if (comp > 0) tmp = (tmp)->entry.rbe_right; else return (tmp); } return (((void *)0)); } __attribute__((__unused__)) static struct args_entry * args_tree_RB_NFIND(struct args_tree *head, struct args_entry *elm) { struct args_entry *tmp = (head)->rbh_root; struct args_entry *res = ((void *)0); int comp; while (tmp) { comp = args_cmp(elm, tmp); if (comp < 0) { res = tmp; tmp = (tmp )->entry.rbe_left; } else if (comp > 0) tmp = (tmp)-> entry.rbe_right; else return (tmp); } return (res); } __attribute__ ((__unused__)) static struct args_entry * args_tree_RB_NEXT(struct args_entry *elm) { if ((elm)->entry.rbe_right) { elm = (elm )->entry.rbe_right; while ((elm)->entry.rbe_left) elm = (elm)->entry.rbe_left; } else { if ((elm)->entry.rbe_parent && (elm == ((elm)->entry.rbe_parent)->entry.rbe_left )) elm = (elm)->entry.rbe_parent; else { while ((elm)-> entry.rbe_parent && (elm == ((elm)->entry.rbe_parent )->entry.rbe_right)) elm = (elm)->entry.rbe_parent; elm = (elm)->entry.rbe_parent; } } return (elm); } __attribute__ ((__unused__)) static struct args_entry * args_tree_RB_PREV(struct args_entry *elm) { if ((elm)->entry.rbe_left) { elm = (elm )->entry.rbe_left; while ((elm)->entry.rbe_right) elm = (elm)->entry.rbe_right; } else { if ((elm)->entry.rbe_parent && (elm == ((elm)->entry.rbe_parent)->entry.rbe_right )) elm = (elm)->entry.rbe_parent; else { while ((elm)-> entry.rbe_parent && (elm == ((elm)->entry.rbe_parent )->entry.rbe_left)) elm = (elm)->entry.rbe_parent; elm = (elm)->entry.rbe_parent; } } return (elm); } __attribute__ ((__unused__)) static struct args_entry * args_tree_RB_MINMAX (struct args_tree *head, int val) { struct args_entry *tmp = ( head)->rbh_root; struct args_entry *parent = ((void *)0); while (tmp) { parent = tmp; if (val < 0) tmp = (tmp)->entry. rbe_left; else tmp = (tmp)->entry.rbe_right; } return (parent ); }; | |||
61 | ||||
62 | /* Arguments tree comparison function. */ | |||
63 | static int | |||
64 | args_cmp(struct args_entry *a1, struct args_entry *a2) | |||
65 | { | |||
66 | return (a1->flag - a2->flag); | |||
67 | } | |||
68 | ||||
69 | /* Find a flag in the arguments tree. */ | |||
70 | static struct args_entry * | |||
71 | args_find(struct args *args, u_char flag) | |||
72 | { | |||
73 | struct args_entry entry; | |||
74 | ||||
75 | entry.flag = flag; | |||
76 | return (RB_FIND(args_tree, &args->tree, &entry)args_tree_RB_FIND(&args->tree, &entry)); | |||
77 | } | |||
78 | ||||
79 | /* Copy value. */ | |||
80 | static void | |||
81 | args_copy_value(struct args_value *to, struct args_value *from) | |||
82 | { | |||
83 | to->type = from->type; | |||
84 | switch (from->type) { | |||
85 | case ARGS_NONE: | |||
86 | break; | |||
87 | case ARGS_COMMANDS: | |||
88 | to->cmdlist = from->cmdlist; | |||
89 | to->cmdlist->references++; | |||
90 | break; | |||
91 | case ARGS_STRING: | |||
92 | to->string = xstrdup(from->string); | |||
93 | break; | |||
94 | } | |||
95 | } | |||
96 | ||||
97 | /* Get value as string. */ | |||
98 | static const char * | |||
99 | args_value_as_string(struct args_value *value) | |||
100 | { | |||
101 | switch (value->type) { | |||
102 | case ARGS_NONE: | |||
103 | return (""); | |||
104 | case ARGS_COMMANDS: | |||
105 | if (value->cached == NULL((void *)0)) | |||
106 | value->cached = cmd_list_print(value->cmdlist, 0); | |||
107 | return (value->cached); | |||
108 | case ARGS_STRING: | |||
109 | return (value->string); | |||
110 | } | |||
111 | fatalx("unexpected argument type"); | |||
112 | } | |||
113 | ||||
114 | /* Create an empty arguments set. */ | |||
115 | struct args * | |||
116 | args_create(void) | |||
117 | { | |||
118 | struct args *args; | |||
119 | ||||
120 | args = xcalloc(1, sizeof *args); | |||
121 | RB_INIT(&args->tree)do { (&args->tree)->rbh_root = ((void *)0); } while (0); | |||
122 | return (args); | |||
123 | } | |||
124 | ||||
125 | /* Parse arguments into a new argument set. */ | |||
126 | struct args * | |||
127 | args_parse(const struct args_parse *parse, struct args_value *values, | |||
128 | u_int count, char **cause) | |||
129 | { | |||
130 | struct args *args; | |||
131 | u_int i; | |||
132 | enum args_parse_type type; | |||
133 | struct args_value *value, *new; | |||
134 | u_char flag, argument; | |||
135 | const char *found, *string, *s; | |||
136 | ||||
137 | if (count == 0) | |||
138 | return (args_create()); | |||
139 | ||||
140 | args = args_create(); | |||
141 | for (i = 1; i < count; /* nothing */) { | |||
142 | value = &values[i]; | |||
143 | if (value->type != ARGS_STRING) | |||
144 | break; | |||
145 | ||||
146 | string = value->string; | |||
147 | if (*string++ != '-' || *string == '\0') | |||
148 | break; | |||
149 | i++; | |||
150 | if (string[0] == '-' && string[1] == '\0') | |||
151 | break; | |||
152 | ||||
153 | for (;;) { | |||
154 | flag = *string++; | |||
155 | if (flag == '\0') | |||
156 | break; | |||
157 | if (flag == '?') { | |||
158 | args_free(args); | |||
159 | return (NULL((void *)0)); | |||
160 | } | |||
161 | if (!isalnum(flag)) { | |||
162 | xasprintf(cause, "invalid flag -%c", flag); | |||
163 | args_free(args); | |||
164 | return (NULL((void *)0)); | |||
165 | } | |||
166 | found = strchr(parse->template, flag); | |||
167 | if (found == NULL((void *)0)) { | |||
168 | xasprintf(cause, "unknown flag -%c", flag); | |||
169 | args_free(args); | |||
170 | return (NULL((void *)0)); | |||
171 | } | |||
172 | argument = *++found; | |||
173 | if (argument != ':') { | |||
174 | log_debug("%s: -%c", __func__, flag); | |||
175 | args_set(args, flag, NULL((void *)0)); | |||
176 | continue; | |||
177 | } | |||
178 | new = xcalloc(1, sizeof *new); | |||
179 | if (*string != '\0') { | |||
180 | new->type = ARGS_STRING; | |||
181 | new->string = xstrdup(string); | |||
182 | } else { | |||
183 | if (i == count) { | |||
184 | xasprintf(cause, | |||
185 | "-%c expects an argument", | |||
186 | flag); | |||
187 | args_free(args); | |||
188 | return (NULL((void *)0)); | |||
189 | } | |||
190 | if (values[i].type != ARGS_STRING) { | |||
191 | xasprintf(cause, | |||
192 | "-%c argument must be a string", | |||
193 | flag); | |||
194 | args_free(args); | |||
195 | return (NULL((void *)0)); | |||
196 | } | |||
197 | args_copy_value(new, &values[i++]); | |||
198 | } | |||
199 | s = args_value_as_string(new); | |||
200 | log_debug("%s: -%c = %s", __func__, flag, s); | |||
201 | args_set(args, flag, new); | |||
202 | break; | |||
203 | } | |||
204 | } | |||
205 | log_debug("%s: flags end at %u of %u", __func__, i, count); | |||
206 | if (i != count) { | |||
207 | for (/* nothing */; i < count; i++) { | |||
208 | value = &values[i]; | |||
209 | ||||
210 | s = args_value_as_string(value); | |||
211 | log_debug("%s: %u = %s (type %d)", __func__, i, s, | |||
212 | value->type); | |||
213 | ||||
214 | if (parse->cb != NULL((void *)0)) { | |||
215 | type = parse->cb(args, args->count, cause); | |||
216 | if (type == ARGS_PARSE_INVALID) { | |||
217 | args_free(args); | |||
218 | return (NULL((void *)0)); | |||
219 | } | |||
220 | } else | |||
221 | type = ARGS_PARSE_STRING; | |||
222 | ||||
223 | args->values = xrecallocarray(args->values, | |||
224 | args->count, args->count + 1, sizeof *args->values); | |||
225 | new = &args->values[args->count++]; | |||
226 | ||||
227 | switch (type) { | |||
228 | case ARGS_PARSE_INVALID: | |||
229 | fatalx("unexpected argument type"); | |||
230 | case ARGS_PARSE_STRING: | |||
231 | if (value->type != ARGS_STRING) { | |||
232 | xasprintf(cause, | |||
233 | "argument %u must be \"string\"", | |||
234 | args->count); | |||
235 | args_free(args); | |||
236 | return (NULL((void *)0)); | |||
237 | } | |||
238 | args_copy_value(new, value); | |||
239 | break; | |||
240 | case ARGS_PARSE_COMMANDS_OR_STRING: | |||
241 | args_copy_value(new, value); | |||
242 | break; | |||
243 | case ARGS_PARSE_COMMANDS: | |||
244 | if (value->type != ARGS_COMMANDS) { | |||
245 | xasprintf(cause, | |||
246 | "argument %u must be { commands }", | |||
247 | args->count); | |||
248 | args_free(args); | |||
249 | return (NULL((void *)0)); | |||
250 | } | |||
251 | args_copy_value(new, value); | |||
252 | break; | |||
253 | } | |||
254 | } | |||
255 | } | |||
256 | ||||
257 | if (parse->lower != -1 && args->count < (u_int)parse->lower) { | |||
258 | xasprintf(cause, | |||
259 | "too few arguments (need at least %u)", | |||
260 | parse->lower); | |||
261 | args_free(args); | |||
262 | return (NULL((void *)0)); | |||
263 | } | |||
264 | if (parse->upper != -1 && args->count > (u_int)parse->upper) { | |||
265 | xasprintf(cause, | |||
266 | "too many arguments (need at most %u)", | |||
267 | parse->upper); | |||
268 | args_free(args); | |||
269 | return (NULL((void *)0)); | |||
270 | } | |||
271 | return (args); | |||
272 | } | |||
273 | ||||
274 | /* Copy and expand a value. */ | |||
275 | static void | |||
276 | args_copy_copy_value(struct args_value *to, struct args_value *from, int argc, | |||
277 | char **argv) | |||
278 | { | |||
279 | char *s, *expanded; | |||
280 | int i; | |||
281 | ||||
282 | to->type = from->type; | |||
283 | switch (from->type) { | |||
284 | case ARGS_NONE: | |||
285 | break; | |||
286 | case ARGS_STRING: | |||
287 | expanded = xstrdup(from->string); | |||
288 | for (i = 0; i < argc; i++) { | |||
289 | s = cmd_template_replace(expanded, argv[i], i + 1); | |||
290 | free(expanded); | |||
291 | expanded = s; | |||
292 | } | |||
293 | to->string = expanded; | |||
294 | break; | |||
295 | case ARGS_COMMANDS: | |||
296 | to->cmdlist = cmd_list_copy(from->cmdlist, argc, argv); | |||
297 | break; | |||
298 | } | |||
299 | } | |||
300 | ||||
301 | /* Copy an arguments set. */ | |||
302 | struct args * | |||
303 | args_copy(struct args *args, int argc, char **argv) | |||
304 | { | |||
305 | struct args *new_args; | |||
306 | struct args_entry *entry; | |||
307 | struct args_value *value, *new_value; | |||
308 | u_int i; | |||
309 | ||||
310 | cmd_log_argv(argc, argv, "%s", __func__); | |||
311 | ||||
312 | new_args = args_create(); | |||
313 | RB_FOREACH(entry, args_tree, &args->tree)for ((entry) = args_tree_RB_MINMAX(&args->tree, -1); ( entry) != ((void *)0); (entry) = args_tree_RB_NEXT(entry)) { | |||
314 | if (TAILQ_EMPTY(&entry->values)(((&entry->values)->tqh_first) == ((void *)0))) { | |||
315 | for (i = 0; i < entry->count; i++) | |||
316 | args_set(new_args, entry->flag, NULL((void *)0)); | |||
317 | continue; | |||
318 | } | |||
319 | TAILQ_FOREACH(value, &entry->values, entry)for((value) = ((&entry->values)->tqh_first); (value ) != ((void *)0); (value) = ((value)->entry.tqe_next)) { | |||
320 | new_value = xcalloc(1, sizeof *new_value); | |||
321 | args_copy_copy_value(new_value, value, argc, argv); | |||
322 | args_set(new_args, entry->flag, new_value); | |||
323 | } | |||
324 | } | |||
325 | if (args->count == 0) | |||
326 | return (new_args); | |||
327 | new_args->count = args->count; | |||
328 | new_args->values = xcalloc(args->count, sizeof *new_args->values); | |||
329 | for (i = 0; i < args->count; i++) { | |||
330 | new_value = &new_args->values[i]; | |||
331 | args_copy_copy_value(new_value, &args->values[i], argc, argv); | |||
332 | } | |||
333 | return (new_args); | |||
334 | } | |||
335 | ||||
336 | /* Free a value. */ | |||
337 | void | |||
338 | args_free_value(struct args_value *value) | |||
339 | { | |||
340 | switch (value->type) { | |||
341 | case ARGS_NONE: | |||
342 | break; | |||
343 | case ARGS_STRING: | |||
344 | free(value->string); | |||
345 | break; | |||
346 | case ARGS_COMMANDS: | |||
347 | cmd_list_free(value->cmdlist); | |||
348 | break; | |||
349 | } | |||
350 | free(value->cached); | |||
351 | } | |||
352 | ||||
353 | /* Free values. */ | |||
354 | void | |||
355 | args_free_values(struct args_value *values, u_int count) | |||
356 | { | |||
357 | u_int i; | |||
358 | ||||
359 | for (i = 0; i < count; i++) | |||
360 | args_free_value(&values[i]); | |||
361 | } | |||
362 | ||||
363 | /* Free an arguments set. */ | |||
364 | void | |||
365 | args_free(struct args *args) | |||
366 | { | |||
367 | struct args_entry *entry; | |||
368 | struct args_entry *entry1; | |||
369 | struct args_value *value; | |||
370 | struct args_value *value1; | |||
371 | ||||
372 | args_free_values(args->values, args->count); | |||
373 | free(args->values); | |||
374 | ||||
375 | RB_FOREACH_SAFE(entry, args_tree, &args->tree, entry1)for ((entry) = args_tree_RB_MINMAX(&args->tree, -1); ( (entry) != ((void *)0)) && ((entry1) = args_tree_RB_NEXT (entry), 1); (entry) = (entry1)) { | |||
376 | RB_REMOVE(args_tree, &args->tree, entry)args_tree_RB_REMOVE(&args->tree, entry); | |||
377 | TAILQ_FOREACH_SAFE(value, &entry->values, entry, value1)for ((value) = ((&entry->values)->tqh_first); (value ) != ((void *)0) && ((value1) = ((value)->entry.tqe_next ), 1); (value) = (value1)) { | |||
378 | TAILQ_REMOVE(&entry->values, value, entry)do { if (((value)->entry.tqe_next) != ((void *)0)) (value) ->entry.tqe_next->entry.tqe_prev = (value)->entry.tqe_prev ; else (&entry->values)->tqh_last = (value)->entry .tqe_prev; *(value)->entry.tqe_prev = (value)->entry.tqe_next ; ; ; } while (0); | |||
379 | args_free_value(value); | |||
380 | free(value); | |||
381 | } | |||
382 | free(entry); | |||
383 | } | |||
384 | ||||
385 | free(args); | |||
386 | } | |||
387 | ||||
388 | /* Convert arguments to vector. */ | |||
389 | void | |||
390 | args_to_vector(struct args *args, int *argc, char ***argv) | |||
391 | { | |||
392 | char *s; | |||
393 | u_int i; | |||
394 | ||||
395 | *argc = 0; | |||
396 | *argv = NULL((void *)0); | |||
397 | ||||
398 | for (i = 0; i < args->count; i++) { | |||
399 | switch (args->values[i].type) { | |||
400 | case ARGS_NONE: | |||
401 | break; | |||
402 | case ARGS_STRING: | |||
403 | cmd_append_argv(argc, argv, args->values[i].string); | |||
404 | break; | |||
405 | case ARGS_COMMANDS: | |||
406 | s = cmd_list_print(args->values[i].cmdlist, 0); | |||
407 | cmd_append_argv(argc, argv, s); | |||
408 | free(s); | |||
409 | break; | |||
410 | } | |||
411 | } | |||
412 | } | |||
413 | ||||
414 | /* Convert arguments from vector. */ | |||
415 | struct args_value * | |||
416 | args_from_vector(int argc, char **argv) | |||
417 | { | |||
418 | struct args_value *values; | |||
419 | int i; | |||
420 | ||||
421 | values = xcalloc(argc, sizeof *values); | |||
422 | for (i = 0; i < argc; i++) { | |||
423 | values[i].type = ARGS_STRING; | |||
424 | values[i].string = xstrdup(argv[i]); | |||
425 | } | |||
426 | return (values); | |||
427 | } | |||
428 | ||||
429 | /* Add to string. */ | |||
430 | static void printflike(3, 4)__attribute__ ((format (printf, 3, 4))) | |||
431 | args_print_add(char **buf, size_t *len, const char *fmt, ...) | |||
432 | { | |||
433 | va_list ap; | |||
434 | char *s; | |||
435 | size_t slen; | |||
436 | ||||
437 | va_start(ap, fmt)__builtin_va_start(ap, fmt); | |||
438 | slen = xvasprintf(&s, fmt, ap); | |||
439 | va_end(ap)__builtin_va_end(ap); | |||
440 | ||||
441 | *len += slen; | |||
442 | *buf = xrealloc(*buf, *len); | |||
443 | ||||
444 | strlcat(*buf, s, *len); | |||
445 | free(s); | |||
446 | } | |||
447 | ||||
448 | /* Add value to string. */ | |||
449 | static void | |||
450 | args_print_add_value(char **buf, size_t *len, struct args_value *value) | |||
451 | { | |||
452 | char *expanded = NULL((void *)0); | |||
453 | ||||
454 | if (**buf != '\0') | |||
455 | args_print_add(buf, len, " "); | |||
456 | ||||
457 | switch (value->type) { | |||
458 | case ARGS_NONE: | |||
459 | break; | |||
460 | case ARGS_COMMANDS: | |||
461 | expanded = cmd_list_print(value->cmdlist, 0); | |||
462 | args_print_add(buf, len, "{ %s }", expanded); | |||
463 | break; | |||
464 | case ARGS_STRING: | |||
465 | expanded = args_escape(value->string); | |||
466 | args_print_add(buf, len, "%s", expanded); | |||
467 | break; | |||
468 | } | |||
469 | free(expanded); | |||
470 | } | |||
471 | ||||
472 | /* Print a set of arguments. */ | |||
473 | char * | |||
474 | args_print(struct args *args) | |||
475 | { | |||
476 | size_t len; | |||
477 | char *buf; | |||
478 | u_int i, j; | |||
479 | struct args_entry *entry; | |||
480 | struct args_value *value; | |||
481 | ||||
482 | len = 1; | |||
483 | buf = xcalloc(1, len); | |||
484 | ||||
485 | /* Process the flags first. */ | |||
486 | RB_FOREACH(entry, args_tree, &args->tree)for ((entry) = args_tree_RB_MINMAX(&args->tree, -1); ( entry) != ((void *)0); (entry) = args_tree_RB_NEXT(entry)) { | |||
487 | if (!TAILQ_EMPTY(&entry->values)(((&entry->values)->tqh_first) == ((void *)0))) | |||
488 | continue; | |||
489 | ||||
490 | if (*buf == '\0') | |||
491 | args_print_add(&buf, &len, "-"); | |||
492 | for (j = 0; j < entry->count; j++) | |||
493 | args_print_add(&buf, &len, "%c", entry->flag); | |||
494 | } | |||
495 | ||||
496 | /* Then the flags with arguments. */ | |||
497 | RB_FOREACH(entry, args_tree, &args->tree)for ((entry) = args_tree_RB_MINMAX(&args->tree, -1); ( entry) != ((void *)0); (entry) = args_tree_RB_NEXT(entry)) { | |||
498 | TAILQ_FOREACH(value, &entry->values, entry)for((value) = ((&entry->values)->tqh_first); (value ) != ((void *)0); (value) = ((value)->entry.tqe_next)) { | |||
499 | if (*buf != '\0') | |||
500 | args_print_add(&buf, &len, " -%c", entry->flag); | |||
501 | else | |||
502 | args_print_add(&buf, &len, "-%c", entry->flag); | |||
503 | args_print_add_value(&buf, &len, value); | |||
504 | } | |||
505 | } | |||
506 | ||||
507 | /* And finally the argument vector. */ | |||
508 | for (i = 0; i < args->count; i++) | |||
509 | args_print_add_value(&buf, &len, &args->values[i]); | |||
510 | ||||
511 | return (buf); | |||
512 | } | |||
513 | ||||
514 | /* Escape an argument. */ | |||
515 | char * | |||
516 | args_escape(const char *s) | |||
517 | { | |||
518 | static const char dquoted[] = " #';${}%"; | |||
519 | static const char squoted[] = " \""; | |||
520 | char *escaped, *result; | |||
521 | int flags, quotes = 0; | |||
522 | ||||
523 | if (*s == '\0') { | |||
524 | xasprintf(&result, "''"); | |||
525 | return (result); | |||
526 | } | |||
527 | if (s[strcspn(s, dquoted)] != '\0') | |||
528 | quotes = '"'; | |||
529 | else if (s[strcspn(s, squoted)] != '\0') | |||
530 | quotes = '\''; | |||
531 | ||||
532 | if (s[0] != ' ' && | |||
533 | s[1] == '\0' && | |||
534 | (quotes != 0 || s[0] == '~')) { | |||
535 | xasprintf(&escaped, "\\%c", s[0]); | |||
536 | return (escaped); | |||
537 | } | |||
538 | ||||
539 | flags = VIS_OCTAL0x01|VIS_CSTYLE0x02|VIS_TAB0x08|VIS_NL0x10; | |||
540 | if (quotes == '"') | |||
541 | flags |= VIS_DQ0x200; | |||
542 | utf8_stravis(&escaped, s, flags); | |||
543 | ||||
544 | if (quotes == '\'') | |||
545 | xasprintf(&result, "'%s'", escaped); | |||
546 | else if (quotes == '"') { | |||
547 | if (*escaped == '~') | |||
548 | xasprintf(&result, "\"\\%s\"", escaped); | |||
549 | else | |||
550 | xasprintf(&result, "\"%s\"", escaped); | |||
551 | } else { | |||
552 | if (*escaped == '~') | |||
553 | xasprintf(&result, "\\%s", escaped); | |||
554 | else | |||
555 | result = xstrdup(escaped); | |||
556 | } | |||
557 | free(escaped); | |||
558 | return (result); | |||
559 | } | |||
560 | ||||
561 | /* Return if an argument is present. */ | |||
562 | int | |||
563 | args_has(struct args *args, u_char flag) | |||
564 | { | |||
565 | struct args_entry *entry; | |||
566 | ||||
567 | entry = args_find(args, flag); | |||
568 | if (entry == NULL((void *)0)) | |||
569 | return (0); | |||
570 | return (entry->count); | |||
571 | } | |||
572 | ||||
573 | /* Set argument value in the arguments tree. */ | |||
574 | void | |||
575 | args_set(struct args *args, u_char flag, struct args_value *value) | |||
576 | { | |||
577 | struct args_entry *entry; | |||
578 | ||||
579 | entry = args_find(args, flag); | |||
580 | if (entry == NULL((void *)0)) { | |||
581 | entry = xcalloc(1, sizeof *entry); | |||
582 | entry->flag = flag; | |||
583 | entry->count = 1; | |||
584 | TAILQ_INIT(&entry->values)do { (&entry->values)->tqh_first = ((void *)0); (& entry->values)->tqh_last = &(&entry->values) ->tqh_first; } while (0); | |||
585 | RB_INSERT(args_tree, &args->tree, entry)args_tree_RB_INSERT(&args->tree, entry); | |||
586 | } else | |||
587 | entry->count++; | |||
588 | if (value != NULL((void *)0) && value->type != ARGS_NONE) | |||
589 | TAILQ_INSERT_TAIL(&entry->values, value, entry)do { (value)->entry.tqe_next = ((void *)0); (value)->entry .tqe_prev = (&entry->values)->tqh_last; *(&entry ->values)->tqh_last = (value); (&entry->values)-> tqh_last = &(value)->entry.tqe_next; } while (0); | |||
590 | } | |||
591 | ||||
592 | /* Get argument value. Will be NULL if it isn't present. */ | |||
593 | const char * | |||
594 | args_get(struct args *args, u_char flag) | |||
595 | { | |||
596 | struct args_entry *entry; | |||
597 | ||||
598 | if ((entry = args_find(args, flag)) == NULL((void *)0)) | |||
599 | return (NULL((void *)0)); | |||
600 | if (TAILQ_EMPTY(&entry->values)(((&entry->values)->tqh_first) == ((void *)0))) | |||
601 | return (NULL((void *)0)); | |||
602 | return (TAILQ_LAST(&entry->values, args_values)(*(((struct args_values *)((&entry->values)->tqh_last ))->tqh_last))->string); | |||
603 | } | |||
604 | ||||
605 | /* Get first argument. */ | |||
606 | u_char | |||
607 | args_first(struct args *args, struct args_entry **entry) | |||
608 | { | |||
609 | *entry = RB_MIN(args_tree, &args->tree)args_tree_RB_MINMAX(&args->tree, -1); | |||
610 | if (*entry == NULL((void *)0)) | |||
611 | return (0); | |||
612 | return ((*entry)->flag); | |||
613 | } | |||
614 | ||||
615 | /* Get next argument. */ | |||
616 | u_char | |||
617 | args_next(struct args_entry **entry) | |||
618 | { | |||
619 | *entry = RB_NEXT(args_tree, &args->tree, *entry)args_tree_RB_NEXT(*entry); | |||
620 | if (*entry == NULL((void *)0)) | |||
621 | return (0); | |||
622 | return ((*entry)->flag); | |||
623 | } | |||
624 | ||||
625 | /* Get argument count. */ | |||
626 | u_int | |||
627 | args_count(struct args *args) | |||
628 | { | |||
629 | return (args->count); | |||
630 | } | |||
631 | ||||
632 | /* Get argument values. */ | |||
633 | struct args_value * | |||
634 | args_values(struct args *args) | |||
635 | { | |||
636 | return (args->values); | |||
637 | } | |||
638 | ||||
639 | /* Get argument value. */ | |||
640 | struct args_value * | |||
641 | args_value(struct args *args, u_int idx) | |||
642 | { | |||
643 | if (idx >= args->count) | |||
644 | return (NULL((void *)0)); | |||
645 | return (&args->values[idx]); | |||
646 | } | |||
647 | ||||
648 | /* Return argument as string. */ | |||
649 | const char * | |||
650 | args_string(struct args *args, u_int idx) | |||
651 | { | |||
652 | if (idx >= args->count) | |||
653 | return (NULL((void *)0)); | |||
654 | return (args_value_as_string(&args->values[idx])); | |||
655 | } | |||
656 | ||||
657 | /* Make a command now. */ | |||
658 | struct cmd_list * | |||
659 | args_make_commands_now(struct cmd *self, struct cmdq_item *item, u_int idx, | |||
660 | int expand) | |||
661 | { | |||
662 | struct args_command_state *state; | |||
663 | char *error; | |||
| ||||
664 | struct cmd_list *cmdlist; | |||
665 | ||||
666 | state = args_make_commands_prepare(self, item, idx, NULL((void *)0), 0, expand); | |||
667 | cmdlist = args_make_commands(state, 0, NULL((void *)0), &error); | |||
668 | if (cmdlist == NULL((void *)0)) { | |||
669 | cmdq_error(item, "%s", error); | |||
| ||||
670 | free(error); | |||
671 | } | |||
672 | else | |||
673 | cmdlist->references++; | |||
674 | args_make_commands_free(state); | |||
675 | return (cmdlist); | |||
676 | } | |||
677 | ||||
678 | /* Save bits to make a command later. */ | |||
679 | struct args_command_state * | |||
680 | args_make_commands_prepare(struct cmd *self, struct cmdq_item *item, u_int idx, | |||
681 | const char *default_command, int wait, int expand) | |||
682 | { | |||
683 | struct args *args = cmd_get_args(self); | |||
684 | struct cmd_find_state *target = cmdq_get_target(item); | |||
685 | struct client *tc = cmdq_get_target_client(item); | |||
686 | struct args_value *value; | |||
687 | struct args_command_state *state; | |||
688 | const char *cmd; | |||
689 | ||||
690 | state = xcalloc(1, sizeof *state); | |||
691 | ||||
692 | if (idx < args->count) { | |||
693 | value = &args->values[idx]; | |||
694 | if (value->type == ARGS_COMMANDS) { | |||
695 | state->cmdlist = value->cmdlist; | |||
696 | state->cmdlist->references++; | |||
697 | return (state); | |||
698 | } | |||
699 | cmd = value->string; | |||
700 | } else { | |||
701 | if (default_command == NULL((void *)0)) | |||
702 | fatalx("argument out of range"); | |||
703 | cmd = default_command; | |||
704 | } | |||
705 | ||||
706 | ||||
707 | if (expand) | |||
708 | state->cmd = format_single_from_target(item, cmd); | |||
709 | else | |||
710 | state->cmd = xstrdup(cmd); | |||
711 | log_debug("%s: %s", __func__, state->cmd); | |||
712 | ||||
713 | if (wait) | |||
714 | state->pi.item = item; | |||
715 | cmd_get_source(self, &state->pi.file, &state->pi.line); | |||
716 | state->pi.c = tc; | |||
717 | if (state->pi.c != NULL((void *)0)) | |||
718 | state->pi.c->references++; | |||
719 | cmd_find_copy_state(&state->pi.fs, target); | |||
720 | ||||
721 | return (state); | |||
722 | } | |||
723 | ||||
724 | /* Return argument as command. */ | |||
725 | struct cmd_list * | |||
726 | args_make_commands(struct args_command_state *state, int argc, char **argv, | |||
727 | char **error) | |||
728 | { | |||
729 | struct cmd_parse_result *pr; | |||
730 | char *cmd, *new_cmd; | |||
731 | int i; | |||
732 | ||||
733 | if (state->cmdlist != NULL((void *)0)) { | |||
734 | if (argc == 0) | |||
735 | return (state->cmdlist); | |||
736 | return (cmd_list_copy(state->cmdlist, argc, argv)); | |||
737 | } | |||
738 | ||||
739 | cmd = xstrdup(state->cmd); | |||
740 | for (i = 0; i < argc; i++) { | |||
741 | new_cmd = cmd_template_replace(cmd, argv[i], i + 1); | |||
742 | log_debug("%s: %%%u %s: %s", __func__, i + 1, argv[i], new_cmd); | |||
743 | free(cmd); | |||
744 | cmd = new_cmd; | |||
745 | } | |||
746 | log_debug("%s: %s", __func__, cmd); | |||
747 | ||||
748 | pr = cmd_parse_from_string(cmd, &state->pi); | |||
749 | free(cmd); | |||
750 | switch (pr->status) { | |||
751 | case CMD_PARSE_ERROR: | |||
752 | *error = pr->error; | |||
753 | return (NULL((void *)0)); | |||
754 | case CMD_PARSE_SUCCESS: | |||
755 | return (pr->cmdlist); | |||
756 | } | |||
757 | fatalx("invalid parse return state"); | |||
758 | } | |||
759 | ||||
760 | /* Free commands state. */ | |||
761 | void | |||
762 | args_make_commands_free(struct args_command_state *state) | |||
763 | { | |||
764 | if (state->cmdlist != NULL((void *)0)) | |||
765 | cmd_list_free(state->cmdlist); | |||
766 | if (state->pi.c != NULL((void *)0)) | |||
767 | server_client_unref(state->pi.c); | |||
768 | free(state->cmd); | |||
769 | free(state); | |||
770 | } | |||
771 | ||||
772 | /* Get prepared command. */ | |||
773 | char * | |||
774 | args_make_commands_get_command(struct args_command_state *state) | |||
775 | { | |||
776 | struct cmd *first; | |||
777 | int n; | |||
778 | char *s; | |||
779 | ||||
780 | if (state->cmdlist != NULL((void *)0)) { | |||
781 | first = cmd_list_first(state->cmdlist); | |||
782 | if (first == NULL((void *)0)) | |||
783 | return (xstrdup("")); | |||
784 | return (xstrdup(cmd_get_entry(first)->name)); | |||
785 | } | |||
786 | n = strcspn(state->cmd, " ,"); | |||
787 | xasprintf(&s, "%.*s", n, state->cmd); | |||
788 | return (s); | |||
789 | } | |||
790 | ||||
791 | /* Get first value in argument. */ | |||
792 | struct args_value * | |||
793 | args_first_value(struct args *args, u_char flag) | |||
794 | { | |||
795 | struct args_entry *entry; | |||
796 | ||||
797 | if ((entry = args_find(args, flag)) == NULL((void *)0)) | |||
798 | return (NULL((void *)0)); | |||
799 | return (TAILQ_FIRST(&entry->values)((&entry->values)->tqh_first)); | |||
800 | } | |||
801 | ||||
802 | /* Get next value in argument. */ | |||
803 | struct args_value * | |||
804 | args_next_value(struct args_value *value) | |||
805 | { | |||
806 | return (TAILQ_NEXT(value, entry)((value)->entry.tqe_next)); | |||
807 | } | |||
808 | ||||
809 | /* Convert an argument value to a number. */ | |||
810 | long long | |||
811 | args_strtonum(struct args *args, u_char flag, long long minval, | |||
812 | long long maxval, char **cause) | |||
813 | { | |||
814 | const char *errstr; | |||
815 | long long ll; | |||
816 | struct args_entry *entry; | |||
817 | struct args_value *value; | |||
818 | ||||
819 | if ((entry = args_find(args, flag)) == NULL((void *)0)) { | |||
820 | *cause = xstrdup("missing"); | |||
821 | return (0); | |||
822 | } | |||
823 | value = TAILQ_LAST(&entry->values, args_values)(*(((struct args_values *)((&entry->values)->tqh_last ))->tqh_last)); | |||
824 | ||||
825 | ll = strtonum(value->string, minval, maxval, &errstr); | |||
826 | if (errstr != NULL((void *)0)) { | |||
827 | *cause = xstrdup(errstr); | |||
828 | return (0); | |||
829 | } | |||
830 | ||||
831 | *cause = NULL((void *)0); | |||
832 | return (ll); | |||
833 | } | |||
834 | ||||
835 | /* Convert an argument to a number which may be a percentage. */ | |||
836 | long long | |||
837 | args_percentage(struct args *args, u_char flag, long long minval, | |||
838 | long long maxval, long long curval, char **cause) | |||
839 | { | |||
840 | const char *value; | |||
841 | struct args_entry *entry; | |||
842 | ||||
843 | if ((entry = args_find(args, flag)) == NULL((void *)0)) { | |||
844 | *cause = xstrdup("missing"); | |||
845 | return (0); | |||
846 | } | |||
847 | value = TAILQ_LAST(&entry->values, args_values)(*(((struct args_values *)((&entry->values)->tqh_last ))->tqh_last))->string; | |||
848 | return (args_string_percentage(value, minval, maxval, curval, cause)); | |||
849 | } | |||
850 | ||||
851 | /* Convert a string to a number which may be a percentage. */ | |||
852 | long long | |||
853 | args_string_percentage(const char *value, long long minval, long long maxval, | |||
854 | long long curval, char **cause) | |||
855 | { | |||
856 | const char *errstr; | |||
857 | long long ll; | |||
858 | size_t valuelen = strlen(value); | |||
859 | char *copy; | |||
860 | ||||
861 | if (value[valuelen - 1] == '%') { | |||
862 | copy = xstrdup(value); | |||
863 | copy[valuelen - 1] = '\0'; | |||
864 | ||||
865 | ll = strtonum(copy, 0, 100, &errstr); | |||
866 | free(copy); | |||
867 | if (errstr != NULL((void *)0)) { | |||
868 | *cause = xstrdup(errstr); | |||
869 | return (0); | |||
870 | } | |||
871 | ll = (curval * ll) / 100; | |||
872 | if (ll < minval) { | |||
873 | *cause = xstrdup("too small"); | |||
874 | return (0); | |||
875 | } | |||
876 | if (ll > maxval) { | |||
877 | *cause = xstrdup("too large"); | |||
878 | return (0); | |||
879 | } | |||
880 | } else { | |||
881 | ll = strtonum(value, minval, maxval, &errstr); | |||
882 | if (errstr != NULL((void *)0)) { | |||
883 | *cause = xstrdup(errstr); | |||
884 | return (0); | |||
885 | } | |||
886 | } | |||
887 | ||||
888 | *cause = NULL((void *)0); | |||
889 | return (ll); | |||
890 | } |