diff options
| author |   deraadt <deraadt@openbsd.org> | 2003-09-25 16:52:11 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 2003-09-25 16:52:11 +0000 |
| commit | 1479d4c6c686560cce3e10c42b0c00c12c339332 (patch) | |
| tree | 8d1b99d3bb871e1620a6ec07f1d56ce8fd843ed6 /usr.sbin/kvm_mkdb/nlist.c | |
| parent | hifn 7956 support (diff) | |
| download | wireguard-openbsd-1479d4c6c686560cce3e10c42b0c00c12c339332.tar.xz wireguard-openbsd-1479d4c6c686560cce3e10c42b0c00c12c339332.zip | |
realloc fixes; markus ok
Diffstat (limited to 'usr.sbin/kvm_mkdb/nlist.c')
| -rw-r--r-- | usr.sbin/kvm_mkdb/nlist.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/usr.sbin/kvm_mkdb/nlist.c b/usr.sbin/kvm_mkdb/nlist.c index cf4b80c4c74..7f76aec3299 100644 --- a/usr.sbin/kvm_mkdb/nlist.c +++ b/usr.sbin/kvm_mkdb/nlist.c @@ -1,4 +1,4 @@ -/* $OpenBSD: nlist.c,v 1.34 2003/06/26 21:36:39 deraadt Exp $ */ +/* $OpenBSD: nlist.c,v 1.35 2003/09/25 16:52:11 deraadt Exp $ */ /*- * Copyright (c) 1990, 1993 @@ -33,7 +33,7 @@ #if 0 static char sccsid[] = "from: @(#)nlist.c 8.1 (Berkeley) 6/6/93"; #else -static const char rcsid[] = "$OpenBSD: nlist.c,v 1.34 2003/06/26 21:36:39 deraadt Exp $"; +static const char rcsid[] = "$OpenBSD: nlist.c,v 1.35 2003/09/25 16:52:11 deraadt Exp $"; #endif #endif /* not lint */ @@ -165,8 +165,18 @@ __aout_knlist(int fd, DB *db, int ksyms) if (*p != '_') { len = strlen(p) + 1; if (len >= snamesize) { - snamesize = len + 1024; - sname = realloc(sname, snamesize); + char *newsname; + int newsnamesize = len + 1024; + + newsname = realloc(sname, newsnamesize); + if (newsname == NULL) { + if (sname) + free(sname); + sname = NULL; + } else { + sname = newsname; + snamesize = newsnamesize; + } } if (sname == NULL) errx(1, "cannot allocate memory"); @@ -594,8 +604,18 @@ __ecoff_knlist(int fd, DB *db, int ksyms) /* Need to prepend a '_' */ len = strlen(&mappedfile[extstroff + esyms[i].es_strindex]) + 1; if (len >= snamesize) { - snamesize = len + 1024; - sname = realloc(sname, snamesize); + char *newsname; + int newsnamesize = len + 1024; + + newsname = realloc(sname, newsnamesize); + if (newsname == NULL) { + if (sname) + free(sname); + sname = NULL; + } else { + sname = newsname; + snamesize = newsnamesize; + } } if (sname == NULL) errx(1, "cannot allocate memory"); |