40 lines
798 B
C
40 lines
798 B
C
#pragma once
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#include <string.h>
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#include <stdint.h>
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typedef struct s8_slice {
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uint8_t* data;
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int64_t len;
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} S8Slice;
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#define S8(str) (S8Slice) { \
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.data = (uint8_t*)("" str), \
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.len = sizeof(str)-1, \
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}
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#define S8_error(str) (S8Slice) { \
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.data = (uint8_t*)("" str), \
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.len = -1, \
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}
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static inline S8Slice s8slice_from_cstr(const char* cstr)
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{
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return (S8Slice){
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.len = strlen(cstr),
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.data = (uint8_t*)cstr,
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};
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}
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static inline S8Slice s8slice(const S8Slice* s, int64_t begin, int64_t end)
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{
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if (end >= s->len) {
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return S8_error("s8slice: `end` surpasses length of `s`");
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}
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const int64_t diff = end - begin;
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return (S8Slice) {
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.len = diff,
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.data = &s->data[begin]
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};
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}
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