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[libc] Rewrite strtoul()

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The implementation of strtoul() has a partially unknown provenance.
Rewrite this code to avoid potential licensing uncertainty.

Since we now use -ffunction-sections, there is no need to place
strtoull() in a separate file from strtoul().

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2015-02-19 16:00:01 +00:00
parent bb1abb2b21
commit a32b1e9e35
7 changed files with 199 additions and 151 deletions
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28
src/include/stdlib.h
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@@ -13,31 +13,9 @@ FILE_LICENCE ( GPL2_OR_LATER );
****************************************************************************
*/
static inline int strtoul_base ( const char **pp, int base )
{
const char *p = *pp;
if ( base == 0 ) {
base = 10;
if ( *p == '0' ) {
p++;
base = 8;
if ( ( *p | 0x20 ) == 'x' ) {
p++;
base = 16;
}
}
}
*pp = p;
return base;
}
extern unsigned int strtoul_charval ( unsigned int charval );
extern unsigned long strtoul ( const char *p, char **endp, int base );
extern unsigned long long strtoull ( const char *p, char **endp, int base );
extern unsigned long strtoul ( const char *string, char **endp, int base );
extern unsigned long long strtoull ( const char *string, char **endp,
int base );
/*****************************************************************************
*