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[libc] Allow strtoul() to interpret negative numbers

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown 2012-04-17 10:15:29 +01:00
parent d11b82f0e4
commit 1d33649516
4 changed files with 25 additions and 4 deletions
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1
src/arch/i386/core/runtime.c
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@ -27,6 +27,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
#include <stddef.h>
#include <stdint.h>
#include <stdlib.h>
#include <ctype.h>
#include <errno.h>
#include <assert.h>
#include <ipxe/init.h>

12
src/core/misc.c
View File

@ -35,8 +35,17 @@ int inet_aton ( const char *cp, struct in_addr *inp ) {
unsigned long strtoul ( const char *p, char **endp, int base ) {
unsigned long ret = 0;
int negative = 0;
unsigned int charval;
while ( isspace ( *p ) )
p++;
if ( *p == '-' ) {
negative = 1;
p++;
}
base = strtoul_base ( &p, base );
while ( 1 ) {
@ -47,6 +56,9 @@ unsigned long strtoul ( const char *p, char **endp, int base ) {
p++;
}
if ( negative )
ret = -ret;
if ( endp )
*endp = ( char * ) p;

12
src/core/strtoull.c
View File

@ -29,8 +29,17 @@ FILE_LICENCE ( GPL2_OR_LATER );
*/
unsigned long long strtoull ( const char *p, char **endp, int base ) {
unsigned long long ret = 0;
int negative = 0;
unsigned int charval;
while ( isspace ( *p ) )
p++;
if ( *p == '-' ) {
negative = 1;
p++;
}
base = strtoul_base ( &p, base );
while ( 1 ) {
@ -41,6 +50,9 @@ unsigned long long strtoull ( const char *p, char **endp, int base ) {
p++;
}
if ( negative )
ret = -ret;
if ( endp )
*endp = ( char * ) p;

4
src/include/stdlib.h
View File

@ -5,7 +5,6 @@ FILE_LICENCE ( GPL2_OR_LATER );
#include <stdint.h>
#include <assert.h>
#include <ctype.h>
/*****************************************************************************
*
@ -18,9 +17,6 @@ static inline int strtoul_base ( const char **pp, int base )
{
const char *p = *pp;
while ( isspace ( *p ) )
p++;
if ( base == 0 ) {
base = 10;
if ( *p == '0' ) {