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Test for NULL-pointers in html_txt() and friends

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