kotovalexarian-likes-gitlab/sortix--sortix
1
0
Fork 0
mirror of https://gitlab.com/sortix/sortix.git synced 2023-02-13 20:55:38 -05:00
Code Releases Activity

Split libmaxsi integer.cpp into multiple files.

Browse source
This commit is contained in:
Jonas 'Sortie' Termansen 2012-09-28 23:14:00 +02:00
parent 9306c8f645
commit 63b1c50cd2
5 changed files with 161 additions and 104 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
libmaxsi/Makefile
View file

@ -33,6 +33,9 @@ FREEOBJS=\
abort.o \
abs.o \
_assert.o \
atoi.o \
atoll.o \
atol.o \
bsearch.o \
calloc.o \
clearerr.o \

30
libmaxsi/atoi.cpp Normal file
View file

@ -0,0 +1,30 @@
/*******************************************************************************
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/>.
atoi.cpp
Converts integers represented as strings to binary representation.
*******************************************************************************/
#include <stdlib.h>
extern "C" int atoi(const char* str)
{
return (int) strtol(str, (char**) NULL, 10);
}

30
libmaxsi/atol.cpp Normal file
View file

@ -0,0 +1,30 @@
/*******************************************************************************
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/>.
atol.cpp
Converts integers represented as strings to binary representation.
*******************************************************************************/
#include <stdlib.h>
extern "C" long atol(const char* str)
{
return strtol(str, (char**) NULL, 10);
}

30
libmaxsi/atoll.cpp Normal file
View file

@ -0,0 +1,30 @@
/*******************************************************************************
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/>.
atoll.cpp
Converts integers represented as strings to binary representation.
*******************************************************************************/
#include <stdlib.h>
extern "C" long long atoll(const char* str)
{
return strtoll(str, (char **) NULL, 10);
}

172
libmaxsi/integer.cpp
View file

@ -1,6 +1,6 @@
/******************************************************************************
/*******************************************************************************
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
Copyright(C) Jonas 'Sortie' Termansen 2011.
This file is part of LibMaxsi.
@ -11,116 +11,80 @@
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.
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/>.
init.cpp
Initializes the process by setting up the heap, signal handling,
static memory and other useful things.
integer.cpp
Converts integers represented as strings to binary representation.
******************************************************************************/
*******************************************************************************/
#include <ctype.h>
#include <stddef.h>
#include <stdlib.h>
namespace Maxsi
static int Debase(char c)
{
namespace Integer
{
static bool IsSpace(char c)
{
switch ( c )
{
case ' ':
case '\r':
case '\f':
case '\n':
case '\t':
case '\v':
return true;
}
return false;
}
static int Debase(char c)
{
if ( '0' <= c && c <= '9' ) { return c - '0'; }
if ( 'a' <= c && c <= 'z' ) { return 10 + c - 'a'; }
if ( 'A' <= c && c <= 'Z' ) { return 10 + c - 'A'; }
return -1;
}
template <class INT, bool UNSIGNED> INT ParseInteger(const char* str, char** endptr, int base)
{
const char* origstr = str;
int origbase = base;
while ( IsSpace(*str) ) { str++; }
if ( base < 0 || 36 < base ) { if ( endptr ) { *endptr = (char*) str; } return 0; }
INT result = 0;
bool negative = false;
char c = *str;
if ( !UNSIGNED && c == '-' ) { str++; negative = true; }
if ( !UNSIGNED && c == '+' ) { str++; negative = false; }
if ( !base && str[0] == '0' )
{
if ( str[1] == 'x' || str[1] == 'X' ) { str += 2; base = 16; }
else if ( 0 <= Debase(str[1]) && Debase(str[1]) < 8 ) { str++; base = 8; }
}
if ( !base ) { base = 10; }
if ( origbase == 16 && str[0] == '0' && (str[1] == 'x' || str[1] == 'X') ) { str += 2; }
size_t numconvertedchars = 0;
while ( (c = *str ) )
{
int val = Debase(c);
if ( val < 0 ) { break; }
if ( base <= val ) { break; }
if ( !UNSIGNED && negative ) { val = -val; }
// TODO: Detect overflow!
result = result * (INT) base + (INT) val;
str++;
numconvertedchars++;
}
if ( !numconvertedchars ) { str = origstr; result = 0; }
if ( endptr ) { *endptr = (char*) str; }
return result;
}
extern "C" long int strtol(const char* str, char** endptr, int base)
{
return ParseInteger<long int, false>(str, endptr, base);
}
extern "C" long int strtoll(const char* str, char** endptr, int base)
{
return ParseInteger<long long int, false>(str, endptr, base);
}
extern "C" unsigned long int strtoul(const char* str, char** endptr, int base)
{
return ParseInteger<unsigned long int, true>(str, endptr, base);
}
extern "C" unsigned long int strtoull(const char* str, char** endptr, int base)
{
return ParseInteger<unsigned long long int, true>(str, endptr, base);
}
extern "C" int atoi(const char* str)
{
return (int) strtol(str, (char **) NULL, 10);
}
extern "C" long atol(const char* str)
{
return strtol(str, (char **) NULL, 10);
}
extern "C" long long atoll(const char* str)
{
return strtoll(str, (char **) NULL, 10);
}
}
if ( '0' <= c && c <= '9' ) { return c - '0'; }
if ( 'a' <= c && c <= 'z' ) { return 10 + c - 'a'; }
if ( 'A' <= c && c <= 'Z' ) { return 10 + c - 'A'; }
return -1;
}
template <class INT, bool UNSIGNED> INT ParseInteger(const char* str, char** endptr, int base)
{
const char* origstr = str;
int origbase = base;
while ( isspace(*str) ) { str++; }
if ( base < 0 || 36 < base ) { if ( endptr ) { *endptr = (char*) str; } return 0; }
INT result = 0;
bool negative = false;
char c = *str;
if ( !UNSIGNED && c == '-' ) { str++; negative = true; }
if ( !UNSIGNED && c == '+' ) { str++; negative = false; }
if ( !base && str[0] == '0' )
{
if ( str[1] == 'x' || str[1] == 'X' ) { str += 2; base = 16; }
else if ( 0 <= Debase(str[1]) && Debase(str[1]) < 8 ) { str++; base = 8; }
}
if ( !base ) { base = 10; }
if ( origbase == 16 && str[0] == '0' && (str[1] == 'x' || str[1] == 'X') ) { str += 2; }
size_t numconvertedchars = 0;
while ( (c = *str ) )
{
int val = Debase(c);
if ( val < 0 ) { break; }
if ( base <= val ) { break; }
if ( !UNSIGNED && negative ) { val = -val; }
// TODO: Detect overflow!
result = result * (INT) base + (INT) val;
str++;
numconvertedchars++;
}
if ( !numconvertedchars ) { str = origstr; result = 0; }
if ( endptr ) { *endptr = (char*) str; }
return result;
}
extern "C" long strtol(const char* str, char** endptr, int base)
{
return ParseInteger<long, false>(str, endptr, base);
}
extern "C" long long strtoll(const char* str, char** endptr, int base)
{
return ParseInteger<long long, false>(str, endptr, base);
}
extern "C" unsigned long strtoul(const char* str, char** endptr, int base)
{
return ParseInteger<unsigned long, true>(str, endptr, base);
}
extern "C" unsigned long long strtoull(const char* str, char** endptr, int base)
{
return ParseInteger<unsigned long long, true>(str, endptr, base);
}