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fix up lossage WRT free()ing invalid pointers. 

noted in [bin/8064]
This commit is contained in:
lukem 1999-07-25 07:59:48 +00:00
parent b376436feb
commit 96c7d69308
1 changed files with 14 additions and 18 deletions
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32
usr.sbin/ypserv/makedbm/makedbm.c
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@ -1,4 +1,4 @@
/* $NetBSD: makedbm.c,v 1.15 1999/06/07 03:06:08 mrg Exp $ */
/* $NetBSD: makedbm.c,v 1.16 1999/07/25 07:59:48 lukem Exp $ */
/*
* Copyright (c) 1994 Mats O Jansson <moj@stacken.kth.se>
@ -33,7 +33,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: makedbm.c,v 1.15 1999/06/07 03:06:08 mrg Exp $");
__RCSID("$NetBSD: makedbm.c,v 1.16 1999/07/25 07:59:48 lukem Exp $");
#endif
#include <sys/param.h>
@ -296,26 +296,22 @@ create_database(infile, database, yp_input_file, yp_output_file,
for (;
(p = fparseln(data_file, &len, &line_no, NULL, FPARSELN_UNESCALL));
free(p)) {
while (*p && isspace(*p)) /* skip leading whitespace */
p++;
k = p; /* set start of key */
while (*k && isspace(*k)) /* skip leading whitespace */
k++;
if (! *p)
if (! *k)
continue;
k = p; /* save start of key */
while (*p && !isspace(*p)) { /* find whitespace */
/* Convert to lower case if forcing. */
if (lflag && isupper(*p))
*p = tolower(*p);
p++;
}
if (! *p)
v = ""; /* no value found - use "" */
else {
while (isspace(*p)) /* replace space with <NUL> */
*p++ = '\0';
v = p; /* save start of value */
v = k;
while (*v && !isspace(*v)) { /* find leading whitespace */
/* convert key to lower case if forcing. */
if (lflag && isupper(*v))
*v = tolower(*v);
v++;
}
while (*v && isspace(*v)) /* replace space with <NUL> */
*v++ = '\0';
if (add_record(new_db, k, v, TRUE)) { /* save record */
bad_record: