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/* -*- Mode: c; c-basic-offset: 2 -*-
*
* strcasecmp.c - strcasecmp compatibility
*
* This file is in the public domain.
*
*/
#ifdef HAVE_CONFIG_H
#include <raptor_config.h>
#endif
#include <stdio.h>
#include <string.h>
#include <ctype.h>
int raptor_strcasecmp(const char* s1, const char* s2);
int raptor_strncasecmp(const char* s1, const char* s2, size_t n);
int
raptor_strcasecmp(const char* s1, const char* s2)
{
register int c1, c2;
while(*s1 && *s2) {
c1 = tolower((int)*s1);
c2 = tolower((int)*s2);
if(c1 != c2)
return (c1 - c2);
s1++;
s2++;
}
return (int) (*s1 - *s2);
}
int
raptor_strncasecmp(const char* s1, const char* s2, size_t n)
{
register int c1, c2;
while(*s1 && *s2 && n) {
c1 = tolower((int)*s1);
c2 = tolower((int)*s2);
if(c1 != c2)
return (c1 - c2);
s1++;
s2++;
n--;
}
return 0;
}
#ifdef STANDALONE
static int
assert_strcasecmp (const char *s1, const char *s2, int expected)
{
int result = raptor_strcasecmp(s1, s2);
result = (result > 0) ? 1 : ((result <0) ? -1 : 0);
if(result != expected)
{
fprintf(stderr, "FAIL strcasecmp (%s, %s) gave %d != %d\n",
s1, s2, result, expected);
return 1;
}
return 0;
}
static int
assert_strncasecmp (const char *s1, const char *s2, size_t size, int expected)
{
int result = raptor_strncasecmp(s1, s2, size);
result = (result > 0) ? 1 : ((result <0) ? -1 : 0);
if(result != expected)
{
fprintf(stderr, "FAIL strncasecmp (%s, %s, %d) gave %d != %d\n",
s1, s2, (unsigned int)size, result, expected);
return 1;
}
return 0;
}
int
main(int argc, char *argv[])
{
int failures = 0;
failures += assert_strcasecmp("foo", "foo", 0);
failures += assert_strcasecmp("foo", "FOO", 0);
failures += assert_strcasecmp("foo", "BaR", 1);
failures += assert_strncasecmp("foo", "foobar", 3, 0);
failures += assert_strncasecmp("foo", "FOOxyz", 3, 0);
failures += assert_strncasecmp("foo", "BaRfoo", 3, 1);
return failures;
}
#endif
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