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avoid potential null ptr derefs

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Noticed by:	Coverity Prevent analysis tool
This commit is contained in:
Sam Leffler 2005-02-23 22:44:38 +00:00
parent c566c001e6
commit 69d93c899a
1 changed files with 11 additions and 2 deletions
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13
sys/netncp/ncp_nls.c
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@ -37,6 +37,7 @@ __FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/errno.h>
#include <sys/systm.h>
#include <netncp/ncp.h>
#include <netncp/ncp_nls.h>
@ -245,7 +246,11 @@ ncp_pathcopy(const char *src, char *dst, int len, struct ncp_nlstables *nt)
u_char c;
/* char *d = dst, *s = src;*/
donls = (nt && (nt->opt & NWHP_NLS));
if (nt == NULL) {
ovbcopy(src, dst, len);
return;
}
donls = (nt->opt & NWHP_NLS);
if ((nt->opt & (NWHP_UPPER | NWHP_LOWER)) == 0) {
while (len--) {
*dst = donls ? nt->u2n[(u_char)*src] : *src;
@ -280,7 +285,11 @@ ncp_path2unix(char *src, char *dst, int len, struct ncp_nlstables *nt) {
/* char *d = dst, *s = src;*/
/* printf("toux(%02x): %s:",nt->opt, s);*/
donls = (nt && (nt->opt & NWHP_NLS));
if (nt == NULL) {
ovbcopy(src, dst, len);
return;
}
donls = (nt->opt & NWHP_NLS);
if ((nt->opt & (NWHP_UPPER | NWHP_LOWER)) == 0) {
while (len--) {
c = *src;