src/utils/stringBuilder.c


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#include "stringBuilder.h"
#include <stdlib.h>
#include <string.h>

void AppendStringBuilder(StringBuilder *sb, const char *str) {
    size_t str_len = strlen(str);
    if (sb->val == NULL) {
        sb->val = malloc(str_len + 1);
        if (sb->val == NULL) return;
        memcpy(sb->val, str, str_len);
        sb->len = str_len;
    } else {
        char *appended = realloc(sb->val, sb->len + str_len + 1);
        if (appended == NULL) return;
        sb->val = appended;

        memcpy(sb->val + sb->len, str, str_len);
        sb->len = sb->len + str_len;
    }
    sb->val[sb->len] = 0x0;
}

void AppendStringBuilderSep(StringBuilder *sb, const char *str, char separator) {
    size_t str_len = strlen(str);
    if (sb->val == NULL) {
        AppendStringBuilder(sb, str);
        return;
    }

    char *appended = realloc(sb->val, sb->len + str_len + 2);
    if (appended == NULL) return;
    sb->val = appended;

    sb->val[sb->len] = separator;
    memcpy(sb->val + sb->len + 1, str, str_len);
    sb->len = sb->len + str_len + 1;
    sb->val[sb->len] = 0x0;
}

void FreeStringBuilder(StringBuilder *sb) {
    if (sb->val != NULL) {
        free(sb->val);
        sb->val = NULL;
    }
    sb->len = 0;
}