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author | millert <> | 1999-11-10 20:12:31 +0000 |
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committer | millert <> | 1999-11-10 20:12:31 +0000 |
commit | 97d0d1b9cdde83cad131a8958b37c806ca2ae6c8 (patch) | |
tree | 69f5b879a38e8843415014af37d0e31df7f77d69 | |
parent | 804f568be8b94c5d121b519265452c56bd2efb50 (diff) | |
download | openbsd-97d0d1b9cdde83cad131a8958b37c806ca2ae6c8.tar.gz openbsd-97d0d1b9cdde83cad131a8958b37c806ca2ae6c8.tar.bz2 openbsd-97d0d1b9cdde83cad131a8958b37c806ca2ae6c8.zip |
calloc() needs to be separate from malloc in case a user wants to have
their own malloc() implementation.
-rw-r--r-- | src/lib/libc/stdlib/calloc.c | 53 | ||||
-rw-r--r-- | src/lib/libc/stdlib/malloc.c | 26 |
2 files changed, 54 insertions, 25 deletions
diff --git a/src/lib/libc/stdlib/calloc.c b/src/lib/libc/stdlib/calloc.c new file mode 100644 index 0000000000..e79d71f93e --- /dev/null +++ b/src/lib/libc/stdlib/calloc.c | |||
@@ -0,0 +1,53 @@ | |||
1 | /*- | ||
2 | * Copyright (c) 1990 The Regents of the University of California. | ||
3 | * All rights reserved. | ||
4 | * | ||
5 | * Redistribution and use in source and binary forms, with or without | ||
6 | * modification, are permitted provided that the following conditions | ||
7 | * are met: | ||
8 | * 1. Redistributions of source code must retain the above copyright | ||
9 | * notice, this list of conditions and the following disclaimer. | ||
10 | * 2. Redistributions in binary form must reproduce the above copyright | ||
11 | * notice, this list of conditions and the following disclaimer in the | ||
12 | * documentation and/or other materials provided with the distribution. | ||
13 | * 3. All advertising materials mentioning features or use of this software | ||
14 | * must display the following acknowledgement: | ||
15 | * This product includes software developed by the University of | ||
16 | * California, Berkeley and its contributors. | ||
17 | * 4. Neither the name of the University nor the names of its contributors | ||
18 | * may be used to endorse or promote products derived from this software | ||
19 | * without specific prior written permission. | ||
20 | * | ||
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | ||
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | ||
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
31 | * SUCH DAMAGE. | ||
32 | */ | ||
33 | |||
34 | #if defined(LIBC_SCCS) && !defined(lint) | ||
35 | static char *rcsid = "$OpenBSD: calloc.c,v 1.5 1999/11/10 20:12:31 millert Exp $"; | ||
36 | #endif /* LIBC_SCCS and not lint */ | ||
37 | |||
38 | #include <stdlib.h> | ||
39 | #include <string.h> | ||
40 | |||
41 | void * | ||
42 | calloc(num, size) | ||
43 | size_t num; | ||
44 | register size_t size; | ||
45 | { | ||
46 | register void *p; | ||
47 | |||
48 | size *= num; | ||
49 | p = malloc(size); | ||
50 | if (p) | ||
51 | memset(p, 0, size); | ||
52 | return(p); | ||
53 | } | ||
diff --git a/src/lib/libc/stdlib/malloc.c b/src/lib/libc/stdlib/malloc.c index 3582d7980c..88e25995f3 100644 --- a/src/lib/libc/stdlib/malloc.c +++ b/src/lib/libc/stdlib/malloc.c | |||
@@ -8,7 +8,7 @@ | |||
8 | */ | 8 | */ |
9 | 9 | ||
10 | #if defined(LIBC_SCCS) && !defined(lint) | 10 | #if defined(LIBC_SCCS) && !defined(lint) |
11 | static char rcsid[] = "$OpenBSD: malloc.c,v 1.37 1999/11/09 19:25:33 millert Exp $"; | 11 | static char rcsid[] = "$OpenBSD: malloc.c,v 1.38 1999/11/10 20:12:31 millert Exp $"; |
12 | #endif /* LIBC_SCCS and not lint */ | 12 | #endif /* LIBC_SCCS and not lint */ |
13 | 13 | ||
14 | /* | 14 | /* |
@@ -1278,27 +1278,3 @@ realloc(void *ptr, size_t size) | |||
1278 | wrterror("out of memory.\n"); | 1278 | wrterror("out of memory.\n"); |
1279 | return (r); | 1279 | return (r); |
1280 | } | 1280 | } |
1281 | |||
1282 | void * | ||
1283 | calloc(size_t num, size_t size) | ||
1284 | { | ||
1285 | register void *r; | ||
1286 | |||
1287 | malloc_func = " in calloc():"; | ||
1288 | THREAD_LOCK(); | ||
1289 | if (malloc_active++) { | ||
1290 | wrtwarning("recursive call.\n"); | ||
1291 | malloc_active--; | ||
1292 | return (0); | ||
1293 | } | ||
1294 | size *= num; | ||
1295 | r = imalloc(size); | ||
1296 | if (r && !malloc_zero) | ||
1297 | memset(r, 0, size) | ||
1298 | UTRACE(0, size, r); | ||
1299 | malloc_active--; | ||
1300 | THREAD_UNLOCK(); | ||
1301 | if (malloc_xmalloc && !r) | ||
1302 | wrterror("out of memory.\n"); | ||
1303 | return (r); | ||
1304 | } | ||