mirror of
https://github.com/guanzhi/GmSSL.git
synced 2026-05-06 16:36:16 +08:00
d719ee4862
`file *.c` to see file types (ASCII or UTF-8), convert UTF-8 (with BOM) to ASCII ```sh sed '1s/^\xEF\xBB\xBF//' sm4.c | iconv -f UTF-8 -t ASCII//TRANSLIT > temp.c mv temp.c sm4.c ```
64 lines
1.1 KiB
C
64 lines
1.1 KiB
C
/*
|
|
* Copyright 2014-2023 The GmSSL Project. All Rights Reserved.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the License); you may
|
|
* not use this file except in compliance with the License.
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*/
|
|
|
|
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <sys/stat.h>
|
|
#include <gmssl/error.h>
|
|
|
|
|
|
int file_size(FILE *fp, size_t *size)
|
|
{
|
|
int fd;
|
|
struct stat st;
|
|
|
|
#ifdef WIN32
|
|
fd = _fileno(fp);
|
|
#else
|
|
fd = fileno(fp);
|
|
#endif
|
|
if (fstat(fd, &st) < 0) {
|
|
error_print();
|
|
return -1;
|
|
}
|
|
*size = st.st_size;
|
|
return 1;
|
|
}
|
|
|
|
int file_read_all(const char *file, uint8_t **out, size_t *outlen)
|
|
{
|
|
int ret = -1;
|
|
FILE *fp = NULL;
|
|
size_t fsize;
|
|
uint8_t *buf = NULL;
|
|
|
|
if (!(fp = fopen(file, "rb"))
|
|
|| file_size(fp, &fsize) != 1
|
|
|| (buf = malloc(fsize)) == NULL) {
|
|
error_print();
|
|
goto end;
|
|
}
|
|
if (fread(buf, 1, fsize, fp) != fsize) {
|
|
error_print();
|
|
goto end;
|
|
}
|
|
*out = buf;
|
|
*outlen = fsize;
|
|
buf = NULL;
|
|
ret = 1;
|
|
end:
|
|
if (fp) fclose(fp);
|
|
if (buf) free(buf);
|
|
return ret;
|
|
}
|
|
|