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Merge branch 'jc/is-url-simplify'

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* jc/is-url-simplify:
  url.c: simplify is_url()
This commit is contained in:
Junio C Hamano 2011-10-13 19:03:21 -07:00
commit 8b482c0ccc
1 changed files with 6 additions and 26 deletions
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32
url.c
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@ -18,35 +18,15 @@ int is_urlschemechar(int first_flag, int ch)
int is_url(const char *url)
{
const char *url2, *first_slash;
if (!url)
/* Is "scheme" part reasonable? */
if (!url || !is_urlschemechar(1, *url++))
return 0;
url2 = url;
first_slash = strchr(url, '/');
/* Input with no slash at all or slash first can't be URL. */
if (!first_slash || first_slash == url)
return 0;
/* Character before must be : and next must be /. */
if (first_slash[-1] != ':' || first_slash[1] != '/')
return 0;
/* There must be something before the :// */
if (first_slash == url + 1)
return 0;
/*
* Check all characters up to first slash - 1. Only alphanum
* is allowed.
*/
url2 = url;
while (url2 < first_slash - 1) {
if (!is_urlschemechar(url2 == url, (unsigned char)*url2))
while (*url && *url != ':') {
if (!is_urlschemechar(0, *url++))
return 0;
url2++;
}
/* Valid enough. */
return 1;
/* We've seen "scheme"; we want colon-slash-slash */
return (url[0] == ':' && url[1] == '/' && url[2] == '/');
}
static int url_decode_char(const char *q)