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Test for NULL-pointers in html_txt() and friends

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
Lars Hjemli hjemli@gmail.com
Thu, 28 Dec 2006 01:54:43 +0100
commit

27cd3b2a700e1cc46cd0393ddea48c07b62ee3a6

parent

c43f1246cb759eb811ab0ebef0613b86dda99581

1 files changed, 3 insertions(+), 4 deletions(-)

jump to
M html.c → html.c 
@@ -45,7 +45,7 @@
 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_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_attr(char *txt)
 {
 	char *t = txt;
-	while(*t){
+	while(t && *t){
 		int c = *t;
 		if (c=='<' || c=='>' || c=='\'') {
 			*t = '\0';

@@ -155,4 +155,3 @@ html_fileperm(mode >> 6);
 	html_fileperm(mode >> 3);
 	html_fileperm(mode);
 }
-