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author | Taru Karttunen <taruti@taruti.net> | 2011-03-30 15:46:40 +0300 |
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committer | Taru Karttunen <taruti@taruti.net> | 2011-03-30 15:46:40 +0300 |
commit | e5888a1ffdae813d7575f5fb02275c6bb07e5199 (patch) | |
tree | d8d51eac403f07814b9e936eed0c9a79195e2450 /sys/src/ape/lib/utf/runestrchr.c |
Import sources from 2011-03-30 iso image
Diffstat (limited to 'sys/src/ape/lib/utf/runestrchr.c')
-rwxr-xr-x | sys/src/ape/lib/utf/runestrchr.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/sys/src/ape/lib/utf/runestrchr.c b/sys/src/ape/lib/utf/runestrchr.c new file mode 100755 index 000000000..45ee673a5 --- /dev/null +++ b/sys/src/ape/lib/utf/runestrchr.c @@ -0,0 +1,35 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "utfdef.h" + +Rune* +runestrchr(Rune *s, Rune c) +{ + Rune c0 = c; + Rune c1; + + if(c == 0) { + while(*s++) + ; + return s-1; + } + + while(c1 = *s++) + if(c1 == c0) + return s-1; + return 0; +} |