kopia lustrzana https://github.com/micropython/micropython
38 wiersze
1.1 KiB
C
38 wiersze
1.1 KiB
C
![]() |
#include <stdint.h>
|
||
|
#include <stdlib.h>
|
||
|
#include <string.h>
|
||
|
#include "memzip.h"
|
||
|
|
||
|
extern uint8_t _staticfs[];
|
||
|
|
||
|
MEMZIP_RESULT memzip_locate(const char *filename, void **data, size_t *len)
|
||
|
{
|
||
|
const MEMZIP_FILE_HDR *file_hdr = (const MEMZIP_FILE_HDR *)_staticfs;
|
||
|
uint8_t *mem_data;
|
||
|
|
||
|
/* Zip file filenames don't have a leading /, so we strip it off */
|
||
|
|
||
|
if (*filename == '/') {
|
||
|
filename++;
|
||
|
}
|
||
|
while (file_hdr->signature == MEMZIP_FILE_HEADER_SIGNATURE) {
|
||
|
const char *file_hdr_filename = (const char *)&file_hdr[1];
|
||
|
mem_data = (uint8_t *)file_hdr_filename;
|
||
|
mem_data += file_hdr->filename_len;
|
||
|
mem_data += file_hdr->extra_len;
|
||
|
if (!strncmp(file_hdr_filename, filename, file_hdr->filename_len)) {
|
||
|
/* We found a match */
|
||
|
if (file_hdr->compression_method != 0) {
|
||
|
return MZ_FILE_COMPRESSED;
|
||
|
}
|
||
|
|
||
|
*data = mem_data;
|
||
|
*len = file_hdr->uncompressed_size;
|
||
|
return MZ_OK;
|
||
|
}
|
||
|
mem_data += file_hdr->uncompressed_size;
|
||
|
file_hdr = (const MEMZIP_FILE_HDR *)mem_data;
|
||
|
}
|
||
|
return MZ_NO_FILE;
|
||
|
}
|