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42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
// vi:ft=c
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#ifndef UTIL_H_
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#define UTIL_H_
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdlib.h>
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// Print a formatted message and exit with code 1
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void panicf(const char *fmt, ...);
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uint16_t parse_port(const char *str);
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// Test if the bit with index i is set in the byte array bits
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static inline bool bit_set(uint8_t *bits, int i) { return bits[i / 8] & (1 << (i % 8)); }
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// Align n to the next 8 boundary
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static inline size_t align_8(size_t n) { return (((n - 1) >> 3) + 1) << 3; }
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// Align n to the next 4 boundary
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static inline size_t align_4(size_t n) { return (((n - 1) >> 2) + 1) << 2; }
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// Align n to the next 2 boundary
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static inline size_t align_2(size_t n) { return (((n - 1) >> 1) + 1) << 1; }
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uint8_t parse_hex_digit(char h);
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void default_to_null(void *ptr);
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void default_to_false(void *ptr);
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void default_to_zero_u8(void *ptr);
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void default_to_zero_u32(void *ptr);
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void default_to_zero_u64(void *ptr);
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void default_to_zero_size(void *ptr);
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void default_to_zero_double(void *ptr);
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void default_to_one_size(void *ptr);
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void default_to_negative_one_i32(void *ptr);
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void tsf_numsec_to_timespec(void *arg, void *ptr);
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void tsf_numsec_to_intms(void *arg, void *ptr);
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void tsf_uniq_to_u64(void *arg, void *ptr);
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void tsf_hex_to_i32(void *arg, void *ptr);
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void tsf_double_to_size(void *arg, void *ptr);
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void tsf_hex_to_color(void *arg, void *ptr);
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void tsf_num_to_u8_clamp(void *arg, void *ptr);
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void tsf_num_to_int(void *arg, void *ptr);
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#endif
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