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strcasecmp: Optimize size and speed

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Applies changes similar to strncasecmp in 64c0cfb0.

Change-Id: I5f80b0031dd12c58d982578f5c5224c7f59cd915
This commit is contained in:
Roman Artiukhin 2025-05-10 16:12:31 +03:00 • committed by Solomon Peachy
parent 3e92a11618
commit e08b8fcc74
1 changed files with 7 additions and 5 deletions
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12
firmware/common/strcasecmp.c
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@ -5,12 +5,14 @@
#ifndef strcasecmp
int strcasecmp(const char *s1, const char *s2)
{
while (*s1 != '\0' && tolower(*s1) == tolower(*s2)) {
s1++;
s2++;
int d, c1, c2;
do
{
c1 = tolower(*s1++);
c2 = tolower(*s2++);
}
return tolower(*(unsigned char *) s1) - tolower(*(unsigned char *) s2);
while ((d = c1 - c2) == 0 && c1 && c2);
return d;
}
#endif