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Source at commit 1808 created 12 years 4 months ago. By blackosx, Revise layout of package installer 'Welcome' file so it looks cleaner. Change the copyright notice to begin from 2009 as seen in the Chameleon 2.0 r431 installer. Should this date be set earlier? | |
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1 | /*␊ |
2 | * strcasecmp.c␊ |
3 | */␊ |
4 | ␊ |
5 | #include <string.h>␊ |
6 | #include <ctype.h>␊ |
7 | ␊ |
8 | int strcasecmp(const char *s1, const char *s2)␊ |
9 | {␊ |
10 | ␉const unsigned char *c1 = (const unsigned char *)s1;␊ |
11 | ␉const unsigned char *c2 = (const unsigned char *)s2;␊ |
12 | ␉unsigned char ch;␊ |
13 | ␉int d = 0;␊ |
14 | ␊ |
15 | ␉while (1) {␊ |
16 | ␉␉/* toupper() expects an unsigned char (implicitly cast to int)␊ |
17 | ␉␉ as input, and returns an int, which is exactly what we want. */␊ |
18 | ␉␉d = toupper(ch = *c1++) - toupper(*c2++);␊ |
19 | ␉␉if (d || !ch)␊ |
20 | ␉␉␉break;␊ |
21 | ␉}␊ |
22 | ␊ |
23 | ␉return d;␊ |
24 | }␊ |
25 |