/*
 * SHL - Utility Helpers
 *
 * Copyright (c) 2011-2013 David Herrmann <dh.herrmann@gmail.com>
 * Dedicated to the Public Domain
 */

/*
 * Utility Helpers
 */

#ifndef SHL_UTIL_H
#define SHL_UTIL_H

#include <errno.h>
#include <inttypes.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>

/* strict atoi */

int shl_ctoi(char ch, unsigned int base);

int shl_atoi_ulln(const char *str,
		  size_t len,
		  unsigned int base,
		  const char **next,
		  unsigned long long *out);
int shl_atoi_uln(const char *str,
		 size_t len,
		 unsigned int base,
		 const char **next,
		 unsigned long *out);
int shl_atoi_un(const char *str,
		size_t len,
		unsigned int base,
		const char **next,
		unsigned int *out);
int shl_atoi_zn(const char *str,
		size_t len,
		unsigned int base,
		const char **next,
		size_t *out);

static inline int shl_atoi_ull(const char *str,
			       unsigned int base,
			       const char **next,
			       unsigned long long *out)
{
	return shl_atoi_ulln(str, strlen(str), base, next, out);
}

static inline int shl_atoi_ul(const char *str,
			      unsigned int base,
			      const char **next,
			      unsigned long *out)
{
	return shl_atoi_uln(str, strlen(str), base, next, out);
}

static inline int shl_atoi_u(const char *str,
			     unsigned int base,
			     const char **next,
			     unsigned int *out)
{
	return shl_atoi_un(str, strlen(str), base, next, out);
}

static inline int shl_atoi_z(const char *str,
			     unsigned int base,
			     const char **next,
			     size_t *out)
{
	return shl_atoi_zn(str, strlen(str), base, next, out);
}

/* greedy alloc */

void *shl_greedy_realloc(void **mem, size_t *size, size_t need);
void *shl_greedy_realloc0(void **mem, size_t *size, size_t need);

#endif  /* SHL_UTIL_H */