| 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> |
| 20 | #include <stdio.h> |
| 21 | |
| 22 | #ifdef HAVE_CONFIG_H |
| 23 | #include <config.h> |
| 24 | #endif |
| 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 | |
| 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 | } |
| 101 | |
| 102 | off_t atoo(char *n) |
| 103 | { |
| 104 | return((off_t)strtoll(n, NULL, 10)); |
| 105 | } |