Commit | Line | Data |
---|---|---|
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> |
f0bbedf7 | 21 | |
ddf99192 FT |
22 | #ifdef HAVE_CONFIG_H |
23 | #include <config.h> | |
24 | #endif | |
f0bbedf7 FT |
25 | #include <utils.h> |
26 | ||
27 | void _sizebuf(struct buffer *buf, size_t wanted, size_t el) | |
28 | { | |
29 | size_t n; | |
30 | ||
31 | n = buf->s; | |
32 | if(n == 0) | |
33 | n = 1; | |
34 | while(n < wanted) | |
35 | n <<= 1; | |
36 | if(n <= buf->s) | |
37 | return; | |
38 | if(buf->b != NULL) | |
39 | buf->b = srealloc(buf->b, n * el); | |
40 | else | |
41 | buf->b = smalloc(n * el); | |
42 | buf->s = n; | |
43 | } | |
44 | ||
90f6e953 FT |
45 | char *decstr(char **p, size_t *len) |
46 | { | |
47 | char *p2, *ret; | |
48 | ||
49 | for(p2 = *p; (p2 - *p) < *len; p2++) { | |
50 | if(*p2 == 0) | |
51 | break; | |
52 | } | |
53 | if((p2 - *p) == *len) | |
54 | return(NULL); | |
55 | p2++; | |
56 | ret = *p; | |
57 | *len -= p2 - *p; | |
58 | *p = p2; | |
59 | return(ret); | |
60 | } | |
61 | ||
62 | char *vsprintf2(char *format, va_list al) | |
63 | { | |
64 | int ret; | |
65 | char *buf; | |
66 | va_list al2; | |
67 | ||
68 | va_copy(al2, al); | |
69 | ret = vsnprintf(NULL, 0, format, al2); | |
70 | va_end(al2); | |
71 | buf = smalloc(ret + 1); | |
72 | va_copy(al2, al); | |
73 | vsnprintf(buf, ret + 1, format, al2); | |
74 | va_end(al2); | |
75 | return(buf); | |
76 | } | |
77 | ||
78 | char *sprintf2(char *format, ...) | |
79 | { | |
80 | va_list args; | |
81 | char *buf; | |
82 | ||
83 | va_start(args, format); | |
84 | buf = vsprintf2(format, args); | |
85 | va_end(args); | |
86 | return(buf); | |
87 | } | |
88 | ||
89 | char *sprintf3(char *format, ...) | |
90 | { | |
91 | static char *buf = NULL; | |
92 | va_list args; | |
93 | ||
94 | if(buf != NULL) | |
95 | free(buf); | |
96 | va_start(args, format); | |
97 | buf = vsprintf2(format, args); | |
98 | va_end(args); | |
99 | return(buf); | |
100 | } |