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/* strcmpi.c */
/*
* Compare two strings ignoring case.
*
* Taken from GLIBC 2.2.5. Original code is copyrighted "Free
* Software Foundation" and published under the GNU Lesser General
* Public License.
*
*/
#include <ctype.h>
#include <stddef.h>
int as_strcmpi (const char *s1, const char *s2)
{
const unsigned char *p1 = (const unsigned char *) s1;
const unsigned char *p2 = (const unsigned char *) s2;
unsigned char c1, c2;
if (p1 == p2)
return 0;
do
{
c1 = tolower (*p1++);
c2 = tolower (*p2++);
if (c1 == '\0')
break;
}
while (c1 == c2);
return c1 - c2;
}
int as_strncmpi (const char *s1, const char *s2, size_t n)
{
const unsigned char *p1 = (const unsigned char *) s1;
const unsigned char *p2 = (const unsigned char *) s2;
unsigned char c1, c2;
if ((p1 == p2) || (n == 0))
return 0;
do
{
c1 = tolower (*p1++);
c2 = tolower (*p2++);
if (c1 == '\0')
break;
}
while ((c1 == c2) && --n);
return c1 - c2;
}
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