Commit | Line | Data |
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f0bbedf7 FT |
1 | /* |
2 | ashd - A Sane HTTP Daemon | |
3 | Copyright (C) 2008 Fredrik Tolf <fredrik@dolda2000.com> | |
4 | ||
5 | This program is free software: you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation, either version 3 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | |
17 | */ | |
18 | ||
19 | #include <stdlib.h> | |
90f6e953 | 20 | #include <stdio.h> |
f2b26d44 FT |
21 | #include <string.h> |
22 | #include <ctype.h> | |
f0bbedf7 | 23 | |
ddf99192 FT |
24 | #ifdef HAVE_CONFIG_H |
25 | #include <config.h> | |
26 | #endif | |
f0bbedf7 FT |
27 | #include <utils.h> |
28 | ||
29 | void _sizebuf(struct buffer *buf, size_t wanted, size_t el) | |
30 | { | |
31 | size_t n; | |
32 | ||
33 | n = buf->s; | |
34 | if(n == 0) | |
35 | n = 1; | |
36 | while(n < wanted) | |
37 | n <<= 1; | |
38 | if(n <= buf->s) | |
39 | return; | |
40 | if(buf->b != NULL) | |
41 | buf->b = srealloc(buf->b, n * el); | |
42 | else | |
43 | buf->b = smalloc(n * el); | |
44 | buf->s = n; | |
45 | } | |
46 | ||
90f6e953 FT |
47 | char *decstr(char **p, size_t *len) |
48 | { | |
49 | char *p2, *ret; | |
50 | ||
51 | for(p2 = *p; (p2 - *p) < *len; p2++) { | |
52 | if(*p2 == 0) | |
53 | break; | |
54 | } | |
55 | if((p2 - *p) == *len) | |
56 | return(NULL); | |
57 | p2++; | |
58 | ret = *p; | |
59 | *len -= p2 - *p; | |
60 | *p = p2; | |
61 | return(ret); | |
62 | } | |
63 | ||
64 | char *vsprintf2(char *format, va_list al) | |
65 | { | |
66 | int ret; | |
67 | char *buf; | |
68 | va_list al2; | |
69 | ||
70 | va_copy(al2, al); | |
71 | ret = vsnprintf(NULL, 0, format, al2); | |
72 | va_end(al2); | |
73 | buf = smalloc(ret + 1); | |
74 | va_copy(al2, al); | |
75 | vsnprintf(buf, ret + 1, format, al2); | |
76 | va_end(al2); | |
77 | return(buf); | |
78 | } | |
79 | ||
80 | char *sprintf2(char *format, ...) | |
81 | { | |
82 | va_list args; | |
83 | char *buf; | |
84 | ||
85 | va_start(args, format); | |
86 | buf = vsprintf2(format, args); | |
87 | va_end(args); | |
88 | return(buf); | |
89 | } | |
90 | ||
91 | char *sprintf3(char *format, ...) | |
92 | { | |
93 | static char *buf = NULL; | |
94 | va_list args; | |
95 | ||
96 | if(buf != NULL) | |
97 | free(buf); | |
98 | va_start(args, format); | |
99 | buf = vsprintf2(format, args); | |
100 | va_end(args); | |
101 | return(buf); | |
102 | } | |
9aee4cbc FT |
103 | |
104 | off_t atoo(char *n) | |
105 | { | |
106 | return((off_t)strtoll(n, NULL, 10)); | |
107 | } | |
f2b26d44 FT |
108 | |
109 | char **tokenize(char *src) | |
110 | { | |
111 | char **ret; | |
112 | char *p, *p2, *n; | |
113 | int s, q, cl; | |
114 | ||
115 | p = src; | |
116 | s = 0; | |
117 | ret = NULL; | |
118 | while(1) { | |
119 | while(isspace(*p)) | |
120 | p++; | |
121 | if(!*p) | |
122 | break; | |
123 | p2 = p; | |
124 | q = 0; | |
125 | while(1) { | |
126 | if(q) { | |
127 | if(*p == '\"') | |
128 | q = 0; | |
129 | else if(*p == '\\') | |
130 | p++; | |
131 | } else { | |
132 | if(*p == '\"') | |
133 | q = 1; | |
134 | else if(isspace(*p) || !*p) | |
135 | break; | |
136 | else if(*p == '\\') | |
137 | p++; | |
138 | } | |
139 | p++; | |
140 | } | |
141 | cl = p - p2; | |
142 | n = memcpy(malloc(cl + 1), p2, cl); | |
143 | n[cl] = 0; | |
144 | for(p2 = n; *p2; cl--) { | |
145 | if(*p2 == '\\') { | |
146 | memmove(p2, p2 + 1, cl--); | |
147 | p2++; | |
148 | } else if(*p2 == '\"') { | |
149 | memmove(p2, p2 + 1, cl); | |
150 | } else { | |
151 | p2++; | |
152 | } | |
153 | } | |
154 | ret = realloc(ret, sizeof(char *) * (++s)); | |
155 | ret[s - 1] = n; | |
156 | } | |
157 | ret = realloc(ret, sizeof(char *) * (++s)); | |
158 | ret[s - 1] = NULL; | |
159 | return(ret); | |
160 | } | |
161 | ||
162 | void freeca(char **ca) | |
163 | { | |
164 | char **c; | |
165 | ||
06c1a718 FT |
166 | if(ca == NULL) |
167 | return; | |
f2b26d44 FT |
168 | for(c = ca; *c; c++) |
169 | free(*c); | |
170 | free(ca); | |
171 | } | |
d1bd343c FT |
172 | |
173 | int calen(char **a) | |
174 | { | |
175 | int i; | |
176 | ||
177 | for(i = 0; *a; a++, i++); | |
178 | return(i); | |
179 | } | |
d422fdfd FT |
180 | |
181 | void bvprintf(struct charbuf *buf, char *format, va_list al) | |
182 | { | |
183 | va_list al2; | |
184 | int ret; | |
185 | ||
186 | while(1) { | |
187 | va_copy(al2, al); | |
188 | ret = vsnprintf(buf->b + buf->d, buf->s - buf->d, format, al2); | |
189 | va_end(al2); | |
190 | if(ret < buf->s - buf->d) { | |
191 | buf->d += ret; | |
192 | return; | |
193 | } | |
194 | sizebuf(*buf, buf->d + ret + 1); | |
195 | } | |
196 | } | |
197 | ||
198 | void bprintf(struct charbuf *buf, char *format, ...) | |
199 | { | |
200 | va_list args; | |
201 | ||
202 | va_start(args, format); | |
203 | bvprintf(buf, format, args); | |
204 | va_end(args); | |
205 | } | |
5fc1bf9f FT |
206 | |
207 | void replstr(char **p, char *n) | |
208 | { | |
209 | char *tmp; | |
210 | ||
211 | tmp = *p; | |
212 | if(n) | |
213 | *p = sstrdup(n); | |
214 | else | |
215 | *p = NULL; | |
216 | if(tmp) | |
217 | free(tmp); | |
218 | } |