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// SPDX-FileCopyrightText: 2024, Alejandro Colomar <alx@kernel.org>
// SPDX-License-Identifier: BSD-3-Clause
#ifndef SHADOW_INCLUDE_LIB_SEARCH_CMP_CMP_H_
#define SHADOW_INCLUDE_LIB_SEARCH_CMP_CMP_H_
#include "config.h"
#define CMP(T) \
( \
_Generic((T){0}, \
int: cmp_int, \
long: cmp_long, \
unsigned int: cmp_uint, \
unsigned long: cmp_ulong \
) \
)
/* Compatible with bsearch(3), lfind(3), and qsort(3). */
inline int cmp_int(const void *key, const void *elt);
inline int cmp_long(const void *key, const void *elt);
inline int cmp_uint(const void *key, const void *elt);
inline int cmp_ulong(const void *key, const void *elt);
inline int
cmp_int(const void *key, const void *elt)
{
const int *k = key;
const int *e = elt;
if (*k < *e)
return -1;
if (*k > *e)
return +1;
return 0;
}
inline int
cmp_long(const void *key, const void *elt)
{
const long *k = key;
const long *e = elt;
if (*k < *e)
return -1;
if (*k > *e)
return +1;
return 0;
}
inline int
cmp_uint(const void *key, const void *elt)
{
const unsigned int *k = key;
const unsigned int *e = elt;
if (*k < *e)
return -1;
if (*k > *e)
return +1;
return 0;
}
inline int
cmp_ulong(const void *key, const void *elt)
{
const unsigned long *k = key;
const unsigned long *e = elt;
if (*k < *e)
return -1;
if (*k > *e)
return +1;
return 0;
}
#endif // include guard
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