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Fix wcschr(3) family like strchr(3) was fixed.

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This commit is contained in:
Jonas 'Sortie' Termansen 2014-09-24 21:35:55 +02:00
parent 86cd065aa7
commit 9291dae58f
3 changed files with 18 additions and 16 deletions
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8
libc/wchar/wcschr.cpp
View file

@ -1,6 +1,6 @@
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013.
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013, 2014.
This file is part of the Sortix C Library.
@ -24,8 +24,8 @@
#include <wchar.h>
extern "C" wchar_t* wcschr(const wchar_t* str, wchar_t c)
extern "C" wchar_t* wcschr(const wchar_t* str, wchar_t uc)
{
wchar_t* ret = wcschrnul(str, c);
return ret && c == ret[0] ? ret : NULL;
wchar_t* ret = wcschrnul(str, uc);
return (wint_t) uc == ((wint_t*) ret)[0] ? ret : NULL;
}

12
libc/wchar/wcschrnul.cpp
View file

@ -1,6 +1,6 @@
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013.
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013, 2014.
This file is part of the Sortix C Library.
@ -24,10 +24,10 @@
#include <wchar.h>
extern "C" wchar_t* wcschrnul(const wchar_t* str, wchar_t c)
extern "C" wchar_t* wcschrnul(const wchar_t* str, wchar_t uc)
{
for ( ; *str != c; str++ )
if ( !*str )
return NULL;
return (wchar_t*) str;
const wint_t* ustr = (const wint_t*) str;
for ( size_t i = 0; true; i++)
if ( ustr[i] == (wint_t) uc || !ustr[i] )
return (wchar_t*) str + i;
}

14
libc/wchar/wcsrchr.cpp
View file

@ -1,6 +1,6 @@
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013.
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013, 2014.
This file is part of the Sortix C Library.
@ -24,14 +24,16 @@
#include <wchar.h>
extern "C" wchar_t* wcsrchr(const wchar_t* str, wchar_t c)
extern "C" wchar_t* wcsrchr(const wchar_t* str, wchar_t uc)
{
const wint_t* ustr = (const wint_t*) str;
const wchar_t* last = NULL;
while ( *str )
for ( size_t i = 0; true; i++ )
{
if ( *str == c )
last = str;
str++;
if ( ustr[i] == (wint_t) uc )
last = str + i;
if ( !ustr[i] )
break;
}
return (wchar_t*) last;
}