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2009-04-06 Mike Burgess <wizardsguild@earthlink.net>

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* libc/string/strncasecmp.c: Optimized rewrite.
This commit is contained in:
Jeff Johnston 2009-04-06 22:42:08 +00:00
parent 43b1cfeca5
commit 3d66f2c9ae
2 changed files with 13 additions and 10 deletions
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4
newlib/ChangeLog
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@ -1,3 +1,7 @@
2009-04-06 Mike Burgess <wizardsguild@earthlink.net>
* libc/string/strncasecmp.c: Optimized rewrite.
2009-04-06 Ken Werner <ken.werner@de.ibm.com>
* libc/include/sys/features.h: Undefine _POSIX_TIMERS for spu.

19
newlib/libc/string/strncasecmp.c
View File

@ -49,16 +49,15 @@ _DEFUN (strncasecmp, (s1, s2, n),
_CONST char *s2 _AND
size_t n)
{
if (n == 0)
return 0;
while (n-- != 0 && tolower(*s1) == tolower(*s2))
_CONST unsigned char *ucs1 = (_CONST unsigned char *) s1;
_CONST unsigned char *ucs2 = (_CONST unsigned char *) s2;
int d = 0;
for ( ; n != 0; n--)
{
if (n == 0 || *s1 == '\0' || *s2 == '\0')
break;
s1++;
s2++;
_CONST int c1 = tolower(*ucs1++);
_CONST int c2 = tolower(*ucs2++);
if (((d = c1 - c2) != 0) || (c2 == '\0'))
break;
}
return tolower(*(unsigned char *) s1) - tolower(*(unsigned char *) s2);
return d;
}