Files
aboba/baked.c
2025-06-27 20:11:42 +02:00

89 lines
2.2 KiB
C

#include <sys/mman.h>
#include "gebs/gebs.h"
#include "incbin/incbin.h"
#include "stb/stb_ds.h"
#include "baked.h"
#include "locked.h"
#include "zip.h"
INCBIN(bundle_zip, "./bundle.zip");
static locked(Baked_Resource *) baked_resources = locked_init(nil);
void lock_baked_resources(void)
{
lockx(&baked_resources);
}
void unlock_baked_resources(void)
{
unlockx(&baked_resources);
}
void add_baked_resource(char *key, const uchar *data, size_t size)
{
int fd = memfd_create(key, 0);
if (fd < 0) {
LOGE("Could not create resource %s. Aborting...\n", key);
abort();
}
write(fd, data, size);
shput(baked_resources.value, key, ((Baked_Resource_Value){ .memfd = fd, .bufptr = (void *)data }));
}
void init_baked_resources(void)
{
lockx(&baked_resources);
struct zip_t *zip = zip_stream_open(bundle_zip_data, bundle_zip_size, ZIP_DEFAULT_COMPRESSION_LEVEL, 'r');
size_t n = zip_entries_total(zip);
for (size_t i = 0; i < n; i++) {
zip_entry_openbyindex(zip, i);
const char *name = strdup(zip_entry_name(zip));
size_t size = zip_entry_size(zip);
char *buf = malloc(size);
zip_entry_noallocread(zip, buf, size);
add_baked_resource((char *)name, buf, size);
zip_entry_close(zip);
}
zip_stream_close(zip);
unlockx(&baked_resources);
}
void free_baked_resources(void)
{
lockx(&baked_resources);
for (size_t i = 0; i < shlen(baked_resources.value); i++) {
close(baked_resources.value[i].value.memfd);
free(baked_resources.value[i].key);
free(baked_resources.value[i].value.bufptr);
}
shfree(baked_resources.value);
unlockx(&baked_resources);
}
bool get_baked_resource_path(char *key, char *buf, size_t size)
{
if (shgeti(baked_resources.value, key) != -1) {
Baked_Resource_Value brv = shget(baked_resources.value, key);
snprintf(buf, size, "/proc/%d/fd/%d", getpid(), brv.memfd);
unlockx(&baked_resources);
return true;
}
return false;
}
void baked_resource_each(void (*f)(Baked_Resource *resource, void *udata), void *udata)
{
for (size_t i = 0; i < shlen(baked_resources.value); i++) {
f(&baked_resources.value[i], udata);
}
}