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| author | Corinna Vinschen <corinna@vinschen.de> | 2009-03-11 12:57:53 +0000 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2009-03-11 12:57:53 +0000 |
| commit | dc48005c286d3bd25c0e881174cc72a3ab511fd7 (patch) | |
| tree | acf2d973b056b592e92aec08fc2539c769e193fc /newlib/libc/string/wcscasecmp.c | |
| parent | 32382e935a569058fbd94748d4d1468ab6224936 (diff) | |
| download | newlib-dc48005c286d3bd25c0e881174cc72a3ab511fd7.zip newlib-dc48005c286d3bd25c0e881174cc72a3ab511fd7.tar.gz newlib-dc48005c286d3bd25c0e881174cc72a3ab511fd7.tar.bz2 | |
* libc/include/wchar.h (wcscasecmp, wcsncasecmp): Declare.
* libc/string/Makefile.am: Add wcscasecmp.c, wcsncasecmp.c
* libc/stdio/Makefile.in: Regenerate.
* libc/string/strings.tex: Add new documentation references.
* libc/string/wcscasecmp.c: New file.
* libc/string/wcsncasecmp.c: New file.
Diffstat (limited to 'newlib/libc/string/wcscasecmp.c')
| -rw-r--r-- | newlib/libc/string/wcscasecmp.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/newlib/libc/string/wcscasecmp.c b/newlib/libc/string/wcscasecmp.c new file mode 100644 index 0000000..f9f169f --- /dev/null +++ b/newlib/libc/string/wcscasecmp.c @@ -0,0 +1,56 @@ +/* +FUNCTION + <<wcscasecmp>>---case-insensitive wide character string compare + +INDEX + wcscasecmp + +ANSI_SYNOPSIS + #include <wchar.h> + int wcscasecmp(const wchar_t *<[a]>, const wchar_t *<[b]>); + +TRAD_SYNOPSIS + #include <wchar.h> + int wcscasecmp(<[a]>, <[b]>) + wchar_t *<[a]>; + wchar_t *<[b]>; + +DESCRIPTION + <<wcscasecmp>> compares the wide character string at <[a]> to + the wide character string at <[b]> in a case-insensitive manner. + +RETURNS + + If <<*<[a]>>> sorts lexicographically after <<*<[b]>>> (after + both are converted to uppercase), <<wcscasecmp>> returns a + number greater than zero. If the two strings match, + <<wcscasecmp>> returns zero. If <<*<[a]>>> sorts + lexicographically before <<*<[b]>>>, <<wcscasecmp>> returns a + number less than zero. + +PORTABILITY +POSIX-1.2008 + +<<wcscasecmp>> requires no supporting OS subroutines. It uses +tolower() from elsewhere in this library. + +QUICKREF + wcscasecmp +*/ + +#include <wchar.h> +#include <wctype.h> + +int +_DEFUN (wcscasecmp, (s1, s2), + _CONST wchar_t *s1 _AND + _CONST wchar_t *s2) +{ + while (*s1 != '\0' && towlower(*s1) == towlower(*s2)) + { + s1++; + s2++; + } + + return towlower(*s1) - towlower(*s2); +} |