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#ifndef _TIL_UTIL_H
#define _TIL_UTIL_H
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define exit_if(_cond, _fmt, ...) \
if (_cond) { \
fprintf(stderr, "Fatal error: " _fmt "\n", ##__VA_ARGS__); \
exit(EXIT_FAILURE); \
}
#define pexit_if(_cond, _fmt, ...) \
exit_if(_cond, _fmt ": %s", ##__VA_ARGS__, strerror(errno))
#define nelems(_array) \
(sizeof(_array) / sizeof(_array[0]))
#define cstrlen(_str) \
(sizeof(_str) - 1)
/* Though I don't bother including sys/param.h, some toolchains pull it in indirectly,
* or just define MIN/MAX elsewhere. So I'm just doing the stupid thing here and accepting
* a preexisting MIN/MAX, assuming it's semantically identical.
*/
#ifndef MIN
#define MIN(_a, _b) \
((_a) < (_b) ? (_a) : (_b))
#endif
#ifndef MAX
#define MAX(_a, _b) \
((_a) > (_b) ? (_a) : (_b))
#endif
unsigned til_get_ncpus(void);
static inline float til_ticks_to_rads(unsigned ticks)
{
return (ticks % 6283) * .001f;
}
#endif /* _TIL_UTIL_H */
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