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#include <lib/url.h>
#include <assert.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <err.h>
//TODO: Audit this implementation. Potentially an arena alloc?
int url_init(struct url *url, char *base)
{
assert(url != NULL);
size_t len = strlen(base) + 1;
void *ptr = malloc(len);
if (ptr == NULL)
return -URLINITERR;
url->buffer = ptr;
memcpy(url->buffer, base, len);
url->len = len;
url->buffer[url->len - 1] = '\0';
return SUCCESS;
}
void url_free(struct url *url)
{
assert(url != NULL);
free(url->buffer);
}
int url_copy(struct url *from, struct url *to)
{
assert(from != NULL);
assert(to != NULL);
to->buffer = malloc(from->len);
if(to->buffer == NULL)
return -ERR;
memcpy(to->buffer, from->buffer, from->len);
to->len = from->len;
return SUCCESS;
}
int url_append(struct url *url, const char *add)
{
assert(url != NULL);
assert(add != NULL);
if (url->buffer == NULL || url->len < 8) {
return -URLPATHERR;
}
url->len--;
size_t addlen = strlen(add);
size_t nlen = url->len + addlen + 1;
url->buffer = realloc(url->buffer, nlen);
memcpy(url->buffer + url->len, add, addlen);
url->len = nlen;
url->buffer[url->len - 1] = '\0';
}
int url_append_path(struct url *url, const char *add)
{
assert(url != NULL);
assert(add != NULL);
if (url->buffer == NULL || url->len < 8) {
return -URLPATHERR;
}
url->buffer[url->len - 1] = '/'; //TODO: Check existence of "/"
size_t addlen = strlen(add);
size_t nlen = url->len + addlen + 1;
url->buffer = realloc(url->buffer, nlen);
memcpy(url->buffer + url->len, add, addlen);
url->len = nlen;
url->buffer[url->len - 1] = '\0';
}
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