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Eliminate memory leaks.

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Use  xrealloc()  rather than  xmalloc/memcpy/free  trio.
This commit is contained in:
itohy 1998-10-08 08:20:37 +00:00
parent c8eb5cc943
commit edb019abaf
1 changed files with 5 additions and 8 deletions
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13
usr.bin/xlint/xlint/xlint.c
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@ -1,4 +1,4 @@
/* $NetBSD: xlint.c,v 1.7 1998/03/24 23:25:31 sommerfe Exp $ */
/* $NetBSD: xlint.c,v 1.8 1998/10/08 08:20:37 itohy Exp $ */
/*
* Copyright (c) 1996 Christopher G. Demetriou. All Rights Reserved.
@ -34,7 +34,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: xlint.c,v 1.7 1998/03/24 23:25:31 sommerfe Exp $");
__RCSID("$NetBSD: xlint.c,v 1.8 1998/10/08 08:20:37 itohy Exp $");
#endif
#include <sys/param.h>
@ -144,8 +144,7 @@ appstrg(lstp, s)
olst = *lstp;
for (i = 0; olst[i] != NULL; i++) ;
lst = xmalloc((i + 2) * sizeof (char *));
(void)memcpy(lst, olst, i * sizeof (char *));
lst = xrealloc(olst, (i + 2) * sizeof (char *));
lst[i] = s;
lst[i + 1] = NULL;
*lstp = lst;
@ -170,13 +169,11 @@ applst(destp, src)
odest = *destp;
for (i = 0; odest[i] != NULL; i++) ;
for (k = 0; src[k] != NULL; k++) ;
dest = xmalloc((i + k + 1) * sizeof (char *));
(void)memcpy(dest, odest, i * sizeof (char *));
dest = xrealloc(odest, (i + k + 1) * sizeof (char *));
for (k = 0; src[k] != NULL; k++)
dest[i + k] = xstrdup(src[k]);
dest[i + k] = NULL;
*destp = dest;
free(odest);
}
static void
@ -454,7 +451,7 @@ main(argc, argv)
dflag = 1;
appcstrg(&cppflags, "-nostdinc");
appcstrg(&cppflags, "-idirafter");
appstrg(&cppflags, optarg);
appcstrg(&cppflags, optarg);
break;
case 'D':