/* Copy the file src to dst 4KB per time */
int pyi_copy_file(const char *src, const char *dst, const char *filename)
{
FILE *in = stb_fopen(src, "rb");
FILE *out = pyi_open_target(dst, filename);
char buf[4096];
int error = 0;
if (in == NULL || out == NULL)
return -1;
while (!feof(in)) {
if (fread(buf, 4096, 1, in) == -1) {
if (ferror(in)) {
clearerr(in);
error = -1;
break;
}
} else {
fwrite(buf, 4096, 1, out);
if (ferror(out)) {
clearerr(out);
error = -1;
break;
}
}
}
#ifndef WIN32
fchmod(fileno(out), S_IRUSR | S_IWUSR | S_IXUSR);
#endif
fclose(in);
fclose(out);
return error;
}
static void vfs_reload(struct vfs_file *f, int force)
{
time_t lastChange = stb_ftimestamp(f->name);
if (f->lastChange != lastChange || force)
{
f->file = stb_fopen(f->name, "rb");
if (f->file == 0)
{
return;
}
fseek(f->file, 0, SEEK_SET);
free(f->data);
f->lastChange = lastChange;
// Hacky solution to make sure the OS is finished with the fseek call
// How can this be solved better?
f->size = 0;
while (f->size == 0)
{
f->size = stb_filelen(f->file);
}
f->data = malloc(f->size);
fread(f->data, 1, f->size, f->file);
stb_fclose(f->file, 0);
for (int j = 0, j_size = stb_arr_len(f->read_callbacks); j < j_size; j++)
{
read_callback_t cbck = f->read_callbacks[j].fn;
cbck(f->simplename, f->size, f->data, f->read_callbacks[j].userdata);
}
}
}
void vfs_mount(const char* dir)
{
if (dir == NULL)
{
vfs_error("Mount directory is NULL\n");
return;
}
char path[VFS_MOUNT_PATH_MAX];
strcpy(path, dir);
size_t pathlen = strlen(path);
if (pathlen == 0)
{
vfs_error("Mount directory is of length 0\n");
return;
}
if (path[pathlen - 1] == '\\' || path[pathlen - 1] == '/')
{
path[pathlen - 1] = '\0';
}
char** filenames = stb_readdir_recursive(path, NULL);
if (filenames == NULL)
{
vfs_error("Could not read directory: %s\n", path);
return;
}
int num_new_files = stb_arr_len(filenames);
for (int i = 0; i < num_new_files; i++)
{
struct vfs_file new_file;
strcpy(new_file.name, filenames[i]);
strcpy(new_file.simplename, filenames[i] + strlen(path) + 1);
int replaced = 0;
for (int j = 0; j < vfs_global->file_count; j++)
{
if (strcmp(vfs_global->file_table[j].simplename, new_file.simplename) == 0)
{
stb_fclose(vfs_global->file_table[j].file, 0);
free(vfs_global->file_table[j].data);
strcpy(vfs_global->file_table[j].name, new_file.name);
vfs_global->file_table[j].file = stb_fopen(vfs_global->file_table[j].name, "rb");
vfs_global->file_table[j].lastChange = stb_ftimestamp(vfs_global->file_table[j].name);
vfs_global->file_table[j].size = stb_filelen(vfs_global->file_table[j].file);
vfs_global->file_table[j].data = malloc(vfs_global->file_table[j].size);
fread(vfs_global->file_table[j].data, 1, vfs_global->file_table[j].size, vfs_global->file_table[j].file);
stb_fclose(vfs_global->file_table[i].file, 0);
replaced = 1;
break;
}
}
if (!replaced)
{
new_file.read_callbacks = 0;
new_file.file = stb_fopen(new_file.name, "rb");
new_file.lastChange = stb_ftimestamp(new_file.name);
new_file.size = stb_filelen(new_file.file);
new_file.data = malloc(new_file.size);
fread(new_file.data, 1, new_file.size, new_file.file);
stb_fclose(new_file.file, 0);
vfs_global->file_table[vfs_global->file_count] = new_file;
vfs_global->file_count++;
}
}
}
