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scanner: Improve documentation for strtouint()

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Signed-off-by: Bryce Harrington <bryce@osg.samsung.com>
Reviewed-by: Yong Bakos <ybakos@humanoriented.com>
This commit is contained in:
Bryce Harrington 2016-07-08 16:51:16 -07:00
parent 1cda73f3f8
commit c88ec7e291
1 changed files with 11 additions and 2 deletions
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13
src/scanner.c
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@ -576,8 +576,17 @@ free_interface(struct interface *interface)
free(interface);
}
/* convert string to unsigned integer,
* in the case of error, return -1 */
/* Convert string to unsigned integer
*
* Parses a non-negative base-10 number from the given string. If the
* specified string is blank, contains non-numerical characters, is out
* of range, or results in a negative number, -1 is returned to indicate
* an error.
*
* Upon error, this routine does not modify or set errno.
*
* \returns -1 on error, or a non-negative integer on success
*/
static int
strtouint(const char *str)
{