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path: root/html.c
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Diffstat (limited to 'html.c') (more/less context) (ignore whitespace changes)
-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
@@ -259,37 +259,38 @@ int hextoint(char c)
if (c >= 'a' && c <= 'f')
return 10 + c - 'a';
else if (c >= 'A' && c <= 'F')
return 10 + c - 'A';
else if (c >= '0' && c <= '9')
return c - '0';
else
return -1;
}
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;
}
}
int http_parse_querystring(const char *txt_, void (*fn)(const char *name, const char *value))
{
char *t, *txt, *value = NULL, c;
if (!txt_)
return 0;
t = txt = strdup(txt_);