File: strcasecmp.c

package info (click to toggle)
vnc4 4.1.1%2BX4.3.0-31
  • links: PTS
  • area: main
  • in suites: lenny
  • size: 171,548 kB
  • ctags: 288,231
  • sloc: ansic: 2,205,256; cpp: 56,016; sh: 38,092; pascal: 13,773; asm: 12,656; tcl: 9,182; lisp: 7,831; perl: 3,338; makefile: 2,957; yacc: 2,902; objc: 2,698; xml: 2,614; python: 2,383; lex: 1,477; awk: 901; csh: 58; sed: 50
file content (40 lines) | stat: -rw-r--r-- 882 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
 
/* $XFree86: xc/programs/xedit/strcasecmp.c,v 1.3 2002/02/10 02:50:05 paulo Exp $ */

#include <ctype.h>
#include <sys/types.h>

#ifndef LISP
#include "xedit.h"
#endif

/* Just like the BSD version.  It assumes that tolower() is ANSI-compliant */

int
strcasecmp(const char *s1, const char *s2)
{
	const unsigned char *us1 = (const unsigned char *)s1;
	const unsigned char *us2 = (const unsigned char *)s2;

	while (tolower(*us1) == tolower(*us2++))
		if (*us1++ == '\0')
			return 0;
	return tolower(*us1) - tolower(*--us2);
}

int
strncasecmp(const char *s1, const char *s2, size_t n)
{
	if (n != 0) {
		const unsigned char *us1 = (const unsigned char *)s1;
		const unsigned char *us2 = (const unsigned char *)s2;

		do {
			if (tolower(*us1) != tolower(*us2++))
				return tolower(*us1) - tolower(*--us2);
			if (*us1++ == '\0')
				break;
		} while (--n != 0);
	}
	return 0;
}