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Added strcasecmp(3), strncasecmp(3) and <strings.h>.

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Why <strings.h>? Stupid POSIX.
This commit is contained in:
Jonas 'Sortie' Termansen 2012-03-04 22:46:24 +01:00
parent 2b57319c1c
commit 9b2de25f9b
2 changed files with 73 additions and 0 deletions
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40
libmaxsi/include/strings.h Normal file
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@ -0,0 +1,40 @@
/******************************************************************************
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
This file is part of LibMaxsi.
LibMaxsi is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
LibMaxsi is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
more details.
You should have received a copy of the GNU Lesser General Public License
along with LibMaxsi. If not, see <http://www.gnu.org/licenses/>.
strings.h
String operations.
******************************************************************************/
#ifndef _STRINGS_H
#define _STRINGS_H 1
#include <features.h>
__BEGIN_DECLS
@include(size_t.h)
@include(locale_t.h)
int strcasecmp(const char* a, const char* b);
int strncasecmp(const char* a, const char* b, size_t n);
__END_DECLS
#endif

33
libmaxsi/string.cpp
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@ -27,6 +27,7 @@
#include <libmaxsi/memory.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
namespace Maxsi
{
@ -121,6 +122,38 @@ namespace Maxsi
return 0;
}
#ifndef SORTIX_KERNEL
inline int charcasecmp(char a, char b)
{
return tolower(a) == tolower(b);
}
extern "C" int strcasecmp(const char* a, const char* b)
{
while ( true )
{
char achar = *a++;
char bchar = *b++;
if ( !achar && !bchar ) { return 0; }
int cmp = charcasecmp(achar, bchar);
if ( cmp ) { return cmp; }
}
}
extern "C" int strncasecmp(const char* a, const char* b, size_t n)
{
while ( n-- )
{
char achar = *a++;
char bchar = *b++;
if ( !achar && !bchar ) { return 0; }
int cmp = charcasecmp(achar, bchar);
if ( cmp ) { return cmp; }
}
return 0;
}
#endif
DUAL_FUNCTION(size_t, strspn, Accept, (const char* str, const char* accept))
{
size_t acceptlen = 0;