ROGueENEMY/rogue_enemy.c
2024-02-20 01:56:37 +01:00

44 lines
No EOL
1.1 KiB
C

#include "rogue_enemy.h"
int32_t div_round_closest(int32_t x, int32_t divisor) {
const int32_t __x = x;
const int32_t __d = divisor;
return ((__x) > 0) == ((__d) > 0) ? (((__x) + ((__d) / 2)) / (__d)) : (((__x) - ((__d) / 2)) / (__d));
}
int64_t div_round_closest_i64(int64_t x, int64_t divisor) {
const int64_t __x = x;
const int64_t __d = divisor;
return ((__x) > 0) == ((__d) > 0) ? (((__x) + ((__d) / 2)) / (__d)) : (((__x) - ((__d) / 2)) / (__d));
}
int64_t min_max_clamp(int64_t value, int64_t min, int64_t max) {
if (value <= min) {
return min;
} else if (value >= max) {
return max;
}
return value;
}
int64_t absolute_value(int64_t value) {
if (value < 0) {
return (int64_t)-1 * value;
}
return value;
}
ssize_t dmi_board_name(char *const buf, size_t buf_len) {
int dmi_name_fd = open("/sys/class/dmi/id/board_name", O_RDONLY | O_NONBLOCK);
if (dmi_name_fd < 0) {
return -1;
}
memset(buf, 0, buf_len);
const ssize_t ret = read(dmi_name_fd, buf, buf_len);
close(dmi_name_fd);
return ret;
}