diff options
Diffstat (limited to 'src/include/stdlib.h')
| -rw-r--r-- | src/include/stdlib.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/include/stdlib.h b/src/include/stdlib.h index 254e39b3a..19a7c8e09 100644 --- a/src/include/stdlib.h +++ b/src/include/stdlib.h @@ -5,6 +5,7 @@ FILE_LICENCE ( GPL2_OR_LATER ); #include <stdint.h> #include <assert.h> +#include <ctype.h> /***************************************************************************** * @@ -13,7 +14,46 @@ FILE_LICENCE ( GPL2_OR_LATER ); **************************************************************************** */ +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' ) { + p++; + base = 8; + if ( ( *p | 0x20 ) == 'x' ) { + p++; + base = 16; + } + } + } + + *pp = p; + + return base; +} + +static inline unsigned int strtoul_charval ( unsigned int charval ) +{ + if ( charval >= 'a' ) { + charval = ( charval - 'a' + 10 ); + } else if ( charval >= 'A' ) { + charval = ( charval - 'A' + 10 ); + } else if ( charval <= '9' ) { + charval = ( charval - '0' ); + } + + return charval; +} + extern unsigned long strtoul ( const char *p, char **endp, int base ); +extern unsigned long long strtoull ( const char *p, char **endp, int base ); + /***************************************************************************** * |