libcutils

extensions.c

1	#include <cutils/extensions.h>
2
3	int strcmp_nocase(const char* s1, const char* s2)
4	{
5	const unsigned char* p1 = (const unsigned char*)s1;
6	const unsigned char* p2 = (const unsigned char*)s2;
7	unsigned char c1, c2;
8
9	do
10	{
11	c1 = (unsigned char)tolower(*p1++);
12	c2 = (unsigned char)tolower(*p2++);
13	if (c1 == '\0')
14	return c1 - c2;
15	}
16	while (c1 == c2);
17
18	return c1 - c2;
19	}
20
21	int strncmp_nocase(const char* s1, const char* s2, size_t n)
22	{
23	const unsigned char* p1 = (const unsigned char*)s1;
24	const unsigned char* p2 = (const unsigned char*)s2;
25	unsigned char c1, c2;
26
27	if(n == 0)
28	return 0;
29
30	do
31	{
32	c1 = (unsigned char)tolower(*p1++);
33	c2 = (unsigned char)tolower(*p2++);
34	if (c1 == '\0')
35	return c1 - c2;
36	}
37	while (c1 == c2 && --n);
38
39	return c1 - c2;
40	}
41