2 * Simple C functions to supplement the C library
4 * Copyright (c) 2006 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
26 void pstrcpy(char *buf
, int buf_size
, const char *str
)
36 if (c
== 0 || q
>= buf
+ buf_size
- 1)
43 /* strcat and truncate. */
44 char *pstrcat(char *buf
, int buf_size
, const char *s
)
49 pstrcpy(buf
+ len
, buf_size
- len
, s
);
53 int strstart(const char *str
, const char *val
, const char **ptr
)
69 int stristart(const char *str
, const char *val
, const char **ptr
)
75 if (toupper(*p
) != toupper(*q
))
85 time_t mktimegm(struct tm
*tm
)
88 int y
= tm
->tm_year
+ 1900, m
= tm
->tm_mon
+ 1, d
= tm
->tm_mday
;
93 t
= 86400 * (d
+ (153 * m
- 457) / 5 + 365 * y
+ y
/ 4 - y
/ 100 +
95 t
+= 3600 * tm
->tm_hour
+ 60 * tm
->tm_min
+ tm
->tm_sec
;