diff options
Diffstat (limited to 'usr.bin/make')
| -rw-r--r-- | usr.bin/make/job.c | 8 | ||||
| -rw-r--r-- | usr.bin/make/memory.c | 13 | ||||
| -rw-r--r-- | usr.bin/make/memory.h | 4 |
3 files changed, 17 insertions, 8 deletions
diff --git a/usr.bin/make/job.c b/usr.bin/make/job.c index 2f9016f3646..f6afd59401d 100644 --- a/usr.bin/make/job.c +++ b/usr.bin/make/job.c @@ -1,5 +1,5 @@ /* $OpenPackages$ */ -/* $OpenBSD: job.c,v 1.112 2008/01/29 22:23:10 espie Exp $ */ +/* $OpenBSD: job.c,v 1.113 2008/03/24 18:03:53 espie Exp $ */ /* $NetBSD: job.c,v 1.16 1996/11/06 17:59:08 christos Exp $ */ /* @@ -713,9 +713,11 @@ prepare_pipe(struct job_pipe *p, int *fd) ofdn = howmany(largest_fd+1, NFDBITS); if (fdn != ofdn) { - output_mask = erecalloc(output_mask, fdn, + output_mask = emult_realloc(output_mask, fdn, sizeof(fd_mask)); - actual_mask = erecalloc(actual_mask, fdn, + memset(((char *)output_mask) + ofdn * sizeof(fd_mask), + 0, (fdn-ofdn) * sizeof(fd_mask)); + actual_mask = emult_realloc(actual_mask, fdn, sizeof(fd_mask)); mask_size = fdn * sizeof(fd_mask); } diff --git a/usr.bin/make/memory.c b/usr.bin/make/memory.c index 66a2ee0781f..9572f50b700 100644 --- a/usr.bin/make/memory.c +++ b/usr.bin/make/memory.c @@ -1,5 +1,5 @@ /* $OpenPackages$ */ -/* $OpenBSD: memory.c,v 1.5 2008/01/29 22:23:10 espie Exp $ */ +/* $OpenBSD: memory.c,v 1.6 2008/03/24 18:03:53 espie Exp $ */ /* * Copyright (c) 1988, 1989, 1990, 1993 @@ -105,9 +105,16 @@ ecalloc(size_t s1, size_t s2) } void * -erecalloc(void *ptr, size_t s1, size_t s2) +emult_realloc(void *ptr, size_t s1, size_t s2) { - if ((ptr = recalloc(ptr, s1, s2)) == NULL) + size_t size; + + if (s1 && SIZE_MAX / s1 < s2) { + errno = ENOMEM; + enocmem(s1, s2); + } + size = s1 * s2; + if ((ptr = realloc(ptr, size)) == NULL) enocmem(s1, s2); return ptr; } diff --git a/usr.bin/make/memory.h b/usr.bin/make/memory.h index 6339a969b43..ff8bfd9e784 100644 --- a/usr.bin/make/memory.h +++ b/usr.bin/make/memory.h @@ -2,7 +2,7 @@ #define MEMORY_H /* $OpenPackages$ */ -/* $OpenBSD: memory.h,v 1.4 2008/01/29 22:23:10 espie Exp $ */ +/* $OpenBSD: memory.h,v 1.5 2008/03/24 18:03:53 espie Exp $ */ /*- * Copyright (c) 1988, 1989, 1990, 1993 @@ -43,7 +43,7 @@ extern void *emalloc(size_t); extern char *estrdup(const char *); extern void *erealloc(void *, size_t); extern void *ecalloc(size_t, size_t); -extern void *erecalloc(void *, size_t, size_t); +extern void *emult_realloc(void *, size_t, size_t); extern int eunlink(const char *); extern void esetenv(const char *, const char *); |