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-rw-r--r--html.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/html.c b/html.c
index 337baeb..eaabf72 100644
--- a/html.c
+++ b/html.c
@@ -268,19 +268,20 @@ int hextoint(char c)
char *convert_query_hexchar(char *txt)
{
- int d1, d2;
- if (strlen(txt) < 3) {
+ int d1, d2, n;
+ n = strlen(txt);
+ if (n < 3) {
*txt = '\0';
return txt-1;
}
d1 = hextoint(*(txt+1));
d2 = hextoint(*(txt+2));
if (d1<0 || d2<0) {
- strcpy(txt, txt+3);
+ memmove(txt, txt+3, n-3);
return txt-1;
} else {
*txt = d1 * 16 + d2;
- strcpy(txt+1, txt+3);
+ memmove(txt+1, txt+3, n-2);
return txt;
}
}