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/*
* ssequal.c -- check if a string is a substring of another
*
* This code is Copyright (c) 2002, by the authors of nmh. See the
* COPYRIGHT file in the root directory of the nmh distribution for
* complete copyright information.
*/
#include <h/mh.h>
/*
* THIS CODE DOES NOT WORK AS ADVERTISED.
* It is actually checking if s1 is a PREFIX of s2.
* All calls to this function need to be checked to see
* if that needs to be changed. Prefix checking is cheaper, so
* should be kept if it's sufficient.
*/
/*
* Check if s1 is a substring of s2.
* If yes, then return 1, else return 0.
*/
int
ssequal (char *s1, char *s2)
{
if (!s1)
s1 = "";
if (!s2)
s2 = "";
while (*s1)
if (*s1++ != *s2++)
return 0;
return 1;
}
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