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#ifndef foosydneymacrohfoo
#define foosydneymacrohfoo
/***
This file is part of libsydney.
Copyright 2007-2008 Lennart Poettering
libsydney is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 2.1 of the
License, or (at your option) any later version.
libsydney is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libsydney. If not, see
<http://www.gnu.org/licenses/>.
***/
#include <stdio.h>
#include <stdlib.h>
#ifndef PACKAGE
#error "Please include config.h before including this file!"
#endif
#if defined (__GNUC__) && __GNUC__ >= 3
#define SA_LIKELY(x) (__builtin_expect(!!(x),1))
#define SA_UNLIKELY(x) (__builtin_expect((x),0))
#else
#define SA_LIKELY(x) (x)
#define SA_UNLIKELY(x) (x)
#endif
#ifdef __GNUC__
#define SA_PRETTY_FUNCTION __PRETTY_FUNCTION__
#else
#define SA_PRETTY_FUNCTION ""
#endif
#define sa_return_if_fail(expr) \
do { \
if (SA_UNLIKELY(!(expr))) { \
if (sa_debug()) \
fprintf(stderr, "Assertion '%s' failed at %s:%u, function %s().\n", #expr , __FILE__, __LINE__, SA_PRETTY_FUNCTION); \
return; \
} \
} while(FALSE)
#define sa_return_val_if_fail(expr, val) \
do { \
if (SA_UNLIKELY(!(expr))) { \
if (sa_debug()) \
fprintf(stderr, "Assertion '%s' failed at %s:%u, function %s().\n", #expr , __FILE__, __LINE__, SA_PRETTY_FUNCTION); \
return (val); \
} \
} while(FALSE)
#define sa_return_null_if_fail(expr) sa_return_val_if_fail(expr, NULL)
#define sa_return_if_fail_unlock(expr, mutex) \
do { \
if (SA_UNLIKELY(!(expr))) { \
if (sa_debug()) \
fprintf(stderr, "Assertion '%s' failed at %s:%u, function %s().\n", #expr , __FILE__, __LINE__, SA_PRETTY_FUNCTION); \
sa_mutex_unlock(mutex); \
return; \
} \
} while(FALSE)
#define sa_return_val_if_fail_unlock(expr, val, mutex) \
do { \
if (SA_UNLIKELY(!(expr))) { \
if (sa_debug()) \
fprintf(stderr, "Assertion '%s' failed at %s:%u, function %s().\n", #expr , __FILE__, __LINE__, SA_PRETTY_FUNCTION); \
sa_mutex_unlock(mutex); \
return (val); \
} \
} while(FALSE)
#define sa_return_null_if_fail_unlock(expr, mutex) sa_return_val_if_fail_unlock(expr, NULL, mutex)
/* An assert which guarantees side effects of x, i.e. is never
* optimized away */
#define sa_assert_se(expr) \
do { \
if (SA_UNLIKELY(!(expr))) { \
fprintf(stderr, "Assertion '%s' failed at %s:%u, function %s(). Aborting.\n", #expr , __FILE__, __LINE__, SA_PRETTY_FUNCTION); \
abort(); \
} \
} while (FALSE)
/* An assert that may be optimized away by defining NDEBUG */
#ifdef NDEBUG
#define sa_assert(expr) do {} while (FALSE)
#else
#define sa_assert(expr) sa_assert_se(expr)
#endif
#define sa_assert_not_reached() \
do { \
fprintf(stderr, "Code should not be reached at %s:%u, function %s(). Aborting.\n", __FILE__, __LINE__, SA_PRETTY_FUNCTION); \
abort(); \
} while (FALSE)
#define SA_ELEMENTSOF(x) (sizeof(x)/sizeof((x)[0]))
#ifdef __GNUC__
#define SA_MAX(a,b) \
__extension__ ({ typeof(a) _a = (a); \
typeof(b) _b = (b); \
_a > _b ? _a : _b; \
})
#else
#define SA_MAX(a, b) ((a) > (b) ? (a) : (b))
#endif
#ifdef __GNUC__
#define SA_MIN(a,b) \
__extension__ ({ typeof(a) _a = (a); \
typeof(b) _b = (b); \
_a < _b ? _a : _b; \
})
#else
#define SA_MIN(a, b) ((a) < (b) ? (a) : (b))
#endif
#ifdef __GNUC__
#define SA_CLAMP(x, low, high) \
__extension__ ({ typeof(x) _x = (x); \
typeof(low) _low = (low); \
typeof(high) _high = (high); \
((_x > _high) ? _high : ((_x < _low) ? _low : _x)); \
})
#else
#define SA_CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x)))
#endif
#ifndef FALSE
#define FALSE (0)
#endif
#ifndef TRUE
#define TRUE (!FALSE)
#endif
#define SA_PTR_TO_UINT(p) ((unsigned int) (unsigned long) (p))
#define SA_UINT_TO_PTR(u) ((void*) (unsigned long) (u))
#define SA_PTR_TO_UINT32(p) ((uint32_t) SA_PTR_TO_UINT(p))
#define SA_UINT32_TO_PTR(u) SA_UINT_TO_PTR((uint32_t) u)
#define SA_PTR_TO_INT(p) ((int) SA_PTR_TO_UINT(p))
#define SA_INT_TO_PTR(u) SA_UINT_TO_PTR((int) u)
#define SA_PTR_TO_INT32(p) ((int32_t) SA_PTR_TO_UINT(p))
#define SA_INT32_TO_PTR(u) SA_UINT_TO_PTR((int32_t) u)
typedef int sa_bool_t;
sa_bool_t sa_debug(void);
static inline size_t sa_align(size_t l) {
return (((l + sizeof(void*) - 1) / sizeof(void*)) * sizeof(void*));
}
#define SA_ALIGN(x) (sa_align(x))
typedef void (*sa_free_cb_t)(void *);
#ifdef HAVE_BYTESWAP_H
#include <byteswap.h>
#endif
#ifdef HAVE_BYTESWAP_H
#define SA_INT16_SWAP(x) ((int16_t) bswap_16((uint16_t) x))
#define SA_UINT16_SWAP(x) ((uint16_t) bswap_16((uint16_t) x))
#define SA_INT32_SWAP(x) ((int32_t) bswap_32((uint32_t) x))
#define SA_UINT32_SWAP(x) ((uint32_t) bswap_32((uint32_t) x))
#else
#define SA_INT16_SWAP(x) ( (int16_t) ( ((uint16_t) x >> 8) | ((uint16_t) x << 8) ) )
#define SA_UINT16_SWAP(x) ( (uint16_t) ( ((uint16_t) x >> 8) | ((uint16_t) x << 8) ) )
#define SA_INT32_SWAP(x) ( (int32_t) ( ((uint32_t) x >> 24) | ((uint32_t) x << 24) | (((uint32_t) x & 0xFF00) << 8) | ((((uint32_t) x) >> 8) & 0xFF00) ) )
#define SA_UINT32_SWAP(x) ( (uint32_t) ( ((uint32_t) x >> 24) | ((uint32_t) x << 24) | (((uint32_t) x & 0xFF00) << 8) | ((((uint32_t) x) >> 8) & 0xFF00) ) )
#endif
#ifdef WORDS_BIGENDIAN
#define SA_INT16_FROM_LE(x) SA_INT16_SWAP(x)
#define SA_INT16_FROM_BE(x) ((int16_t)(x))
#define SA_INT16_TO_LE(x) SA_INT16_SWAP(x)
#define SA_INT16_TO_BE(x) ((int16_t)(x))
#define SA_UINT16_FROM_LE(x) SA_UINT16_SWAP(x)
#define SA_UINT16_FROM_BE(x) ((uint16_t)(x))
#define SA_UINT16_TO_LE(x) SA_UINT16_SWAP(x)
#define SA_UINT16_TO_BE(x) ((uint16_t)(x))
#define SA_INT32_FROM_LE(x) SA_INT32_SWAP(x)
#define SA_INT32_FROM_BE(x) ((int32_t)(x))
#define SA_INT32_TO_LE(x) SA_INT32_SWAP(x)
#define SA_INT32_TO_BE(x) ((int32_t)(x))
#define SA_UINT32_FROM_LE(x) SA_UINT32_SWAP(x)
#define SA_UINT32_FROM_BE(x) ((uint32_t)(x))
#define SA_UINT32_TO_LE(x) SA_UINT32_SWAP(x)
#define SA_UINT32_TO_BE(x) ((uint32_t)(x))
#else
#define SA_INT16_FROM_LE(x) ((int16_t)(x))
#define SA_INT16_FROM_BE(x) SA_INT16_SWAP(x)
#define SA_INT16_TO_LE(x) ((int16_t)(x))
#define SA_INT16_TO_BE(x) SA_INT16_SWAP(x)
#define SA_UINT16_FROM_LE(x) ((uint16_t)(x))
#define SA_UINT16_FROM_BE(x) SA_UINT16_SWAP(x)
#define SA_UINT16_TO_LE(x) ((uint16_t)(x))
#define SA_UINT16_TO_BE(x) SA_UINT16_SWAP(x)
#define SA_INT32_FROM_LE(x) ((int32_t)(x))
#define SA_INT32_FROM_BE(x) SA_INT32_SWAP(x)
#define SA_INT32_TO_LE(x) ((int32_t)(x))
#define SA_INT32_TO_BE(x) SA_INT32_SWAP(x)
#define SA_UINT32_FROM_LE(x) ((uint32_t)(x))
#define SA_UINT32_FROM_BE(x) SA_UINT32_SWAP(x)
#define SA_UINT32_TO_LE(x) ((uint32_t)(x))
#define SA_UINT32_TO_BE(x) SA_UINT32_SWAP(x)
#endif
#define sa_streq(a, b) (strcmp((a),(b)) == 0)
#ifdef __GNUC__
#define SA_GCC_DESTRUCTOR __attribute__ ((destructor))
#else
#undef SA_GCC_DESTRUCTOR
#endif
#endif
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