From a19e3705a228735eacadd713b28d49fe33bb726b Mon Sep 17 00:00:00 2001 From: sijanec Date: Wed, 7 Apr 2021 23:15:16 +0200 Subject: UTF-8, image support, memory leaks fixed --- src/url.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'src/url.c') diff --git a/src/url.c b/src/url.c index df93138..13081a0 100644 --- a/src/url.c +++ b/src/url.c @@ -1,4 +1,6 @@ int urlencode (char * o, const char * i /* o must have at least strlen(i)*3+1 bytes of memory allocated */) { + if (!o || !i) + return -2; size_t written = 0; /* o CANNOT be equal to i, unlike in urldecode */ for (; *i; i++) { if (isalnum(*i) || *i == '.' || *i == '_' || *i == '-' || *i == '~') { @@ -12,6 +14,8 @@ int urlencode (char * o, const char * i /* o must have at least strlen(i)*3+1 by return 1; } int urldecode (char * o, const char * i /* o must have at least strlen(i)+1 bytes memory allocated */) { + if (!o || !i) + return -2; size_t written = 0; /* o can be equal to i for decoding in-place */ char buf[] = "00"; for (; *i; i++) { @@ -20,7 +24,7 @@ int urldecode (char * o, const char * i /* o must have at least strlen(i)+1 byte buf[1] = *++i; if (!buf[0] || !buf[1]) { /* malformed */ o[written++] = '\0'; - return 0; + return -1; } o[written++] = strtol(buf, NULL, 16); } else { -- cgit v1.2.3