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netlib_parseurl: Make the buffer size assumption explicit

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YAMAMOTO Takashi
2022-06-06 16:12:09 +09:00
committed by Petro Karashchenko
parent a7de8dffe7
commit f7b3eb5b44
1 changed files with 9 additions and 0 deletions
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9
netutils/netlib/netlib_parseurl.c
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@@ -63,6 +63,15 @@ int netlib_parseurl(FAR const char *str, FAR struct url_s *url)
int ret = OK; int ret = OK;
size_t pathlen; size_t pathlen;
/* Each fields should have at least 1 byte to store
* the terminating NUL.
*/
if (url->schemelen == 0 || url->hostlen == 0 || url->pathlen == 0)
{
return -EINVAL;
}
/* extract the protocol field, a set of a-z letters */ /* extract the protocol field, a set of a-z letters */
dest = url->scheme; dest = url->scheme;