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Minor code hardening: Verify the final bytes of the string

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are actually accessible before trying to use them.
This commit is contained in:
Tim Kientzle 2008-05-27 04:46:12 +00:00
parent aabccf4a0d
commit 40715dc446
1 changed files with 1 additions and 1 deletions
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2
lib/libarchive/archive_read_support_format_tar.c
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@ -2362,7 +2362,7 @@ url_decode(const char *in)
if (out == NULL)
return (NULL);
for (s = in, d = out; *s != '\0'; ) {
if (*s == '%') {
if (s[0] == '%' && s[1] != '\0' && s[2] != '\0') {
/* Try to convert % escape */
int digit1 = tohex(s[1]);
int digit2 = tohex(s[2]);