Test for NULL-pointers in html_txt() and friends

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
This commit is contained in:
Lars Hjemli 2006-12-28 01:54:43 +01:00
parent c43f1246cb
commit 27cd3b2a70

7
html.c
View File

@ -45,7 +45,7 @@ void htmlf(const char *format, ...)
void html_txt(char *txt) void html_txt(char *txt)
{ {
char *t = txt; char *t = txt;
while(*t){ while(t && *t){
int c = *t; int c = *t;
if (c=='<' || c=='>' || c=='&') { if (c=='<' || c=='>' || c=='&') {
*t = '\0'; *t = '\0';
@ -68,7 +68,7 @@ void html_txt(char *txt)
void html_ntxt(int len, char *txt) void html_ntxt(int len, char *txt)
{ {
char *t = txt; char *t = txt;
while(*t && len--){ while(t && *t && len--){
int c = *t; int c = *t;
if (c=='<' || c=='>' || c=='&') { if (c=='<' || c=='>' || c=='&') {
*t = '\0'; *t = '\0';
@ -97,7 +97,7 @@ void html_ntxt(int len, char *txt)
void html_attr(char *txt) void html_attr(char *txt)
{ {
char *t = txt; char *t = txt;
while(*t){ while(t && *t){
int c = *t; int c = *t;
if (c=='<' || c=='>' || c=='\'') { if (c=='<' || c=='>' || c=='\'') {
*t = '\0'; *t = '\0';
@ -155,4 +155,3 @@ void html_filemode(unsigned short mode)
html_fileperm(mode >> 3); html_fileperm(mode >> 3);
html_fileperm(mode); html_fileperm(mode);
} }