41 lines
882 B
C
41 lines
882 B
C
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/* $XFree86: xc/programs/xedit/strcasecmp.c,v 1.1 1999/06/14 02:38:07 dawes Exp $ */
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#include <ctype.h>
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#include <sys/types.h>
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#ifndef LISP
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#include "xedit.h"
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#endif
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/* Just like the BSD version. It assumes that tolower() is ANSI-compliant */
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int
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strcasecmp(const char *s1, const char *s2)
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{
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const unsigned char *us1 = (const unsigned char *)s1;
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const unsigned char *us2 = (const unsigned char *)s2;
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while (tolower(*us1) == tolower(*us2++))
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if (*us1++ == '\0')
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return 0;
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return tolower(*us1) - tolower(*--us2);
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}
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int
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strncasecmp(const char *s1, const char *s2, size_t n)
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{
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if (n != 0) {
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const unsigned char *us1 = (const unsigned char *)s1;
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const unsigned char *us2 = (const unsigned char *)s2;
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do {
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if (tolower(*us1) != tolower(*us2++))
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return tolower(*us1) - tolower(*--us2);
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if (*us1++ == '\0')
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break;
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} while (--n != 0);
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}
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return 0;
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}
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