util.h

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#ifndef __LIBINSANE_UTIL_H
#define __LIBINSANE_UTIL_H
 
#include "capi.h"
#include "error.h"
 
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define LIS_UNUSED(x) (void)(x)
#define LIS_COUNT_OF(x) (sizeof(x) / sizeof((x)[0]))
 
#ifndef FREE
#define FREE(x) do { \
        free(((void*)(x))); \
        (x) = NULL; \
    } while(0);
#endif
 
#ifndef MIN
#define MIN(x, y) ((x) < (y) ? (x) : (y))
#endif
#ifndef MAX
#define MAX(x, y) ((x) > (y) ? (x) : (y))
#endif
 
enum lis_error lis_copy(
    const enum lis_value_type type, const union lis_value *original, union lis_value *copy
);
 
 
void lis_free(const enum lis_value_type type, union lis_value *value);
 
 
enum lis_error lis_set_option(struct lis_item *item, const char *opt_name, const char *opt_value);
 
 
int lis_compare(enum lis_value_type type, union lis_value val1, union lis_value val2);
 
 
union lis_value lis_add(enum lis_value_type type, union lis_value a, union lis_value b);
union lis_value lis_sub(enum lis_value_type type, union lis_value a, union lis_value b);
 
int lis_getenv(const char *var, int default_val);
 
 
const char *lis_get_version(void);
 
 
void lis_hexdump(const char *prefix, const void *data, size_t nb_bytes);
 
#ifdef __cplusplus
}
#endif
 
#endif