Aryadev Chavali
3c39df6c95
SIZE_FMT gets the size of a cstr with the given sprintf formatted string and arguments using `snprintf`. vec_append_fmt formats a cstr with the given sprintf arguments then appends it to the given vector. This simplifies a little bit of the wordy implementation of the assembler.
60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
#ifndef LIB_H
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#define LIB_H
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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typedef uint8_t u8;
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typedef uint16_t u16;
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typedef uint32_t u32;
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typedef uint64_t u64;
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typedef int8_t i8;
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typedef int16_t i16;
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typedef int32_t i32;
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typedef int64_t i64;
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#define MAX(A, B) ((A) < (B) ? (B) : (A))
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#define MIN(A, B) ((A) > (B) ? (A) : (B))
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#define MEMORY_DEFAULT 30000
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bool usable_character(char c);
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char *fread_all(FILE *fp);
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void print_error(const char *handle, size_t row, size_t column,
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const char *reason);
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#define SIZE_FMT(FMT, ...) (snprintf(NULL, 0, (FMT), __VA_ARGS__))
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typedef struct Buffer
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{
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const char *name;
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u64 size;
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u8 data[];
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} buffer_t;
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buffer_t *buffer_init_str(const char *name, const char *str, size_t str_size);
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typedef struct
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{
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u64 size, capacity;
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u8 *data;
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} vec_t;
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void vec_append(vec_t *vec, const void *const ptr, u64 size);
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void vec_ensure(vec_t *vec, u64 abs_size);
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void vec_ensure_free(vec_t *vec, u64 rel_size);
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void vec_free(vec_t *vec);
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#define vec_append_fmt(VEC, FMT, ...) \
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do \
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{ \
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char f[SIZE_FMT(FMT, __VA_ARGS__) + 1]; \
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snprintf(f, sizeof(f), (FMT), __VA_ARGS__); \
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vec_append((VEC), f, sizeof(f) - 1); \
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} while (0)
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#endif
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