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#ifndef GLOBAL_H
#define GLOBAL_H
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <time.h>
extern int simulate;
extern int noverify;
extern int verbose;
#define VERBOSE(...) do { if ( verbose ) { fprintf(stderr, __VA_ARGS__); } } while (0)
#define WARNING(...) do { fprintf(stderr, "Warning: "); fprintf(stderr, __VA_ARGS__); fprintf(stderr, "\n"); } while (0)
#define ERROR_INFO_STR(str, ...) do { if ( str[0] ) fprintf(stderr, "Error: %s: ", str); else fprintf(stderr, "Error: "); fprintf(stderr, __VA_ARGS__); if ( errno ) fprintf(stderr, ": %s\n", strerror(errno)); else fprintf(stderr, "\n"); } while (0)
#define ERROR_STR(str, ...) do { errno = 0; ERROR_INFO_STR(str, __VA_ARGS__); } while (0)
#define ERROR_INFO(...) do { ERROR_INFO_STR("", __VA_ARGS__); } while (0)
#define ERROR(...) do { ERROR_STR("", __VA_ARGS__); } while (0)
#define ERROR_RETURN(str, ...) do { ERROR("%s", str); return __VA_ARGS__; } while (0)
#define ALLOC_ERROR() do { ERROR("Cannot allocate memory"); } while (0)
#define ALLOC_ERROR_RETURN(...) do { ALLOC_ERROR(); return __VA_ARGS__; } while (0)
#define SLEEP(usec) do { struct timespec _t = { 0, (usec) }; nanosleep(&_t, NULL); } while (0)
static inline void * MEMMEM(void *haystack, size_t haystacklen, const void *needle, size_t needlelen) {
for ( size_t i = 0; i < haystacklen; ++i ) {
for ( size_t j = 0; j < needlelen; ++j ) {
if ( ((char *)haystack)[i+j] != ((const char *)needle)[j] )
break;
if ( j != needlelen - 1 )
continue;
return (char *)haystack + i;
}
}
return NULL;
}
#endif
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