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#include "../include/better_string.h"
#include "../include/helpers.h"
#include <stdlib.h>
#include <string.h>
string_t *init_string(const char *src) {
string_t *s = safe_calloc(1, sizeof(string_t));
size_t len = src ? strlen(src) : DEFAULT_STR_SIZE;
size_t size = len * 2;
s->buf = safe_calloc(size, sizeof(char));
s->buf[0] = '\0';
if (src)
strcpy(s->buf, src);
s->len = len;
s->size = size;
return s;
}
void string_push(string_t *s, char c) {
if (s->len >= s->size - 3) {
s->size *= 2;
s->buf = safe_realloc(s->buf, s->size);
}
s->buf[s->len] = c;
s->buf[s->len + 1] = '\0';
s->len++;
}
char string_pop(string_t *s) {
char c = s->buf[s->len];
s->len--;
return c;
}
void string_concat_const(string_t *s1, const char *s2) {
for (int i = 0; i < strlen(s2); i++)
string_push(s1, s2[i]);
}
void string_concat(string_t *s1, string_t *s2) {
for (int i = 0; i < s2->len; i++) {
string_push(s1, s2->buf[i]);
}
}
void string_free(void *x) {
string_t *s = x;
if (!x)
return;
free(s->buf);
free(s);
}
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