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#ifndef STDLIB_H
#define STDLIB_H
FILE_LICENCE ( GPL2_OR_LATER );
#include <stdint.h>
#include <assert.h>
/*****************************************************************************
*
* Numeric parsing
*
****************************************************************************
*/
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 );
/*****************************************************************************
*
* Memory allocation
*
****************************************************************************
*/
extern void * __malloc malloc ( size_t size );
extern void * realloc ( void *old_ptr, size_t new_size );
extern void free ( void *ptr );
extern void * __malloc zalloc ( size_t len );
/**
* Allocate cleared memory
*
* @v nmemb Number of members
* @v size Size of each member
* @ret ptr Allocated memory
*
* Allocate memory as per malloc(), and zero it.
*
* This is implemented as a static inline, with the body of the
* function in zalloc(), since in most cases @c nmemb will be 1 and
* doing the multiply is just wasteful.
*/
static inline void * __malloc calloc ( size_t nmemb, size_t size ) {
return zalloc ( nmemb * size );
}
/*****************************************************************************
*
* Random number generation
*
****************************************************************************
*/
extern long int random ( void );
extern void srandom ( unsigned int seed );
static inline int rand ( void ) {
return random();
}
static inline void srand ( unsigned int seed ) {
srandom ( seed );
}
/*****************************************************************************
*
* Miscellaneous
*
****************************************************************************
*/
static inline __attribute__ (( always_inline )) int abs ( int value ) {
return __builtin_abs ( value );
}
extern int system ( const char *command );
extern __asmcall int main ( void );
#endif /* STDLIB_H */
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