49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
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#ifndef _SFXD_COMMON_H_
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#define _SFXD_COMMON_H_
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#include <errno.h>
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#include <stdarg.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define BUFFER_SIZE 8192
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#define DAEMON_SOCKET_PATH "/tmp/sfxd-ipc"
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#define CLIENT_SOCKET_PATH "/tmp/sfxd-client-%ld"
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#define PANIC_FMT(FMT, ...) _panic(__LINE__, __FILE__, errno, FMT, __VA_ARGS__)
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#define PANIC(TXT) _panic(__LINE__, __FILE__, errno, TXT)
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#define EXPECT(CODE, CONDITION) { \
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ssize_t __res = (CODE); \
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if (!(__res CONDITION)) \
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PANIC_FMT("%s failed condition: %zd %s", #CODE, __res, #CONDITION); \
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}
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static inline void _panic(int line, const char *filename, int _errno, const char *fmt, ...) {
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fprintf(stderr, "Panic at %s:%d\nMessage: ", filename, line);
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va_list args;
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va_start(args, fmt);
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vfprintf(stderr, fmt, args);
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va_end(args);
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fprintf(stderr, "\nerrno: %d (%s)\n", _errno, strerror(_errno));
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exit(EXIT_FAILURE);
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}
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static inline uint32_t adler32(const void *buf, size_t buflength) {
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const uint8_t *buffer = (const uint8_t*)buf;
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uint32_t s1 = 1;
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uint32_t s2 = 0;
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for (size_t n = 0; n < buflength; n++) {
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s1 = (s1 + buffer[n]) % 65521;
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s2 = (s2 + s1) % 65521;
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}
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return (s2 << 16) | s1;
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}
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#endif
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