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DIX: Add strncasecmp from FreeBSD, make strcasecmp args const

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Add strncasecmp (as we're now using it) in case someone doesn't have it,
and also change strncasecmp args to be const, in accordance with
everything else.
This commit is contained in:
Daniel Stone
2008-06-11 15:09:46 +03:00
parent ae38151ddd
commit 11f9e35202
2 changed files with 26 additions and 2 deletions
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21
dix/strcasecmp.c
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@@ -33,7 +33,7 @@
#ifdef NEED_STRCASECMP
int
xstrcasecmp(char *str1,char *str2)
xstrcasecmp(const char *str1, const char *str2)
{
const u_char *us1 = (const u_char *)str1, *us2 = (const u_char *)str2;
@@ -46,3 +46,22 @@ xstrcasecmp(char *str1,char *str2)
return (tolower(*us1) - tolower(*us2));
}
#endif
#ifdef NEED_STRNCASECMP
int
xstrncasecmp(const char *s1, const char *s2, size_t n)
{
if (n != 0) {
const u_char *us1 = (const u_char *)s1, *us2 = (const u_char *)s2;
do {
if (tolower(*us1) != tolower(*us2++))
return (tolower(*us1) - tolower(*--us2));
if (*us1++ == '\0')
break;
} while (--n != 0);
}
return 0;
}
#endif