int decompress_file_to_buffer(char * path, void * dst, uint32_t dstlen) {
int ret = -1;
uint32_t header_len, comp_len, decomp_len;
void * dst_temp;
dst_temp = calloc(dstlen, 1);
/* Validate buffer */
if (dst_temp == NULL || dst == NULL || dstlen < 1) {
printf("Buffer error");
goto err_open;
}
/* Read decompressed size */
if (lzo_header(path, &header_len, &decomp_len, &comp_len) != 0) {
log_error("Failed to read header");
goto err_open;
}
/* Open file */
FILE * fp = fopen(path, "r");
if (!fp) {
log_error("Cannot open %s", path);
goto err_open;
}
struct stat statbuf;
stat(path, &statbuf);
/* Read file into buffer */
if (fread(dst_temp, 1, statbuf.st_size, fp) != (size_t) statbuf.st_size) {
log_error("Failed to read complete file");
goto err_read;
}
/* Decompress */
if (lzo_decompress_buffer(dst_temp, statbuf.st_size, dst, dstlen, NULL) != 0) {
log_error("Failed to decompress buffer");
goto err_read;
}
ret = decomp_len;
err_read:
fclose(fp);
err_open:
free(dst_temp);
return ret;
}
ftp_return_t ftp_ram_done(void * state) {
#ifdef __arm__
if (lzo_match_magic((void *)file_mem_addr)) {
if (lzo_decompress_buffer((void *)file_mem_addr, UPLOAD_SIZE, (void *)(UPLOAD_ADDR), UPLOAD_SIZE, NULL) != 0) {
printf("Unpacking LZO compressed RAM image failed\r\n");
ftp_ram_abort(NULL);
return FTP_RET_IO;
}
}
#endif
return ftp_ram_abort(NULL);
}