30 lines
813 B
C
30 lines
813 B
C
#include "strbuf.h"
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#include "arena_alloc.h"
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#include <arena.h>
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#include <stddef.h>
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void strbuf_append (struct strbuf* strbuf, char c) {
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if (strbuf->items == NULL) {
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strbuf->capacity = 256;
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strbuf->count = 0;
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strbuf->items = arena_malloc (&arena, strbuf->capacity);
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} else {
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if (strbuf->count == strbuf->capacity) {
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size_t prev_capacity = strbuf->capacity;
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strbuf->capacity *= 2;
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strbuf->items = arena_realloc (&arena, strbuf->items, prev_capacity, strbuf->capacity);
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}
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}
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strbuf->items[strbuf->count++] = c;
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}
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void strbuf_append_str (struct strbuf* strbuf, const char* s) {
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while (*s)
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strbuf_append (strbuf, *s++);
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}
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void strbuf_append_n (struct strbuf* strbuf, const char* s, size_t n) {
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for (size_t i = 0; i < n; i++)
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strbuf_append (strbuf, s[i]);
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}
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