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/* See LICENSE file for copyright and license details. */
#define assert(EXPR)\
do {\
if (EXPR)\
break;\
stderr_real = 1;\
fprintf(stderr, "Failed at %s:%i: %s\n", __FILE__, __LINE__, #EXPR);\
exit_real = 1;\
exit(1);\
} while (0)
#define subassert(EXPR)\
do {\
if (EXPR)\
break;\
stderr_real = 1;\
fprintf(stderr, "Failed at %s:%i: %s\n", __FILE__, __LINE__, #EXPR);\
return 0;\
} while (0)
#define assert_unreached()\
assert(*&(volatile int *){0})
#define assert_exit(EXPR)\
do {\
volatile int old_stderr_ok__ = stderr_ok;\
exit_ok = 1;\
stderr_ok = 1;\
stderr_n = 0;\
if (setjmp(exit_jmp)) {\
exit_ok = 0;\
stderr_ok = old_stderr_ok__;\
break;\
}\
EXPR;\
assert_unreached();\
} while (0)
#define assert_exit_ptr(EXPR)\
do {\
void *volatile ptr__;\
assert_exit((void)(ptr__ = (EXPR)));\
} while (0)
#define assert_stderr(...)\
do {\
char buf__[1024];\
int len__;\
len__ = sprintf(buf__, __VA_ARGS__);\
assert(len__ >= 0);\
assert((size_t)len__ == stderr_n);\
assert(!memcmp(buf__, (char **)(void *)(&stderr_buf), stderr_n)); \
} while (0)
struct allocinfo {
void *real_beginning;
size_t real_size;
size_t size;
size_t extent;
size_t alignment;
size_t zeroed;
size_t refcount;
};
#ifndef LIBSIMPLE_ARG_H
extern char *argv0;
#endif
extern volatile size_t alloc_fail_in;
extern volatile int exit_real;
extern volatile int exit_ok;
extern volatile int exit_status;
extern jmp_buf exit_jmp;
extern volatile char stderr_buf[8 << 10];
extern volatile size_t stderr_n;
extern volatile int stderr_real;
extern volatile int stderr_ok;
size_t get_pagesize(void);
size_t round_up(size_t);
int have_custom_malloc(void); /* return 0 if run under valgrind(1) */
struct allocinfo *get_allocinfo(void *);
int test_vfprintf(FILE *restrict stream, const char *restrict format, va_list ap);
static inline int
test_fprintf(FILE *restrict stream, const char *restrict format, ...)
{
va_list ap;
va_start(ap, format);
return test_vfprintf(stream, format, ap);
va_end(ap);
}
#if defined(__GNUC__)
__attribute__((__const__))
#endif
static size_t
gcd(size_t u, size_t v)
{
size_t t;
int shift = 0;
/* Not needed because u>0, v>0: if (!(u | v)) return u + v; */
while (!((u | v) & 1)) {
u >>= 1;
v >>= 1;
shift++;
}
while (!(u & 1)) {
u >>= 1;
}
do {
while (!(v & 1)) {
v >>= 1;
}
if (u > v) {
t = u;
u = v;
v = t;
}
} while (v -= u);
return u << shift;
}
static inline size_t
lcm(size_t u, size_t v)
{
return u / gcd(u, v) * v;
}
#define ASSERT_ALIGNMENT(INFO, ALIGN)\
do {\
assert((INFO)->alignment <= lcm(cacheline, ALIGN));\
assert(!((INFO)->alignment % (ALIGN)));\
if ((cacheline - (ALIGN) % cacheline) % cacheline + (INFO)->size % (ALIGN) > cacheline)\
assert(!((INFO)->alignment % cacheline));\
} while (0)
#define DEFINE_PAGESIZE size_t pagesize = (size_t)sysconf(_SC_PAGESIZE)
#ifdef _SC_LEVEL1_DCACHE_LINESIZ
#define DEFINE_CACHELINE size_t cacheline = (size_t)sysconf(_SC_LEVEL1_DCACHE_LINESIZE)
#else
#define DEFINE_CACHELINE size_t cacheline = 64
#endif
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