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Fix .SHA calculation for A:/B: drives

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d0k3 2016-12-06 22:50:43 +01:00
parent c28943ba13
commit ae9a8aaf75
1 changed files with 5 additions and 3 deletions
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8
source/fs.c
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@ -466,7 +466,6 @@ size_t FileGetSize(const char* path) {
bool FileGetSha256(const char* path, u8* sha256) {
bool ret = true;
sha_init(SHA256_MODE);
ShowProgress(0, 0, path);
if (DriveType(path) & DRV_VIRTUAL) { // for virtual files
VirtualFile vfile;
@ -476,6 +475,7 @@ bool FileGetSha256(const char* path, u8* sha256) {
return false;
fsize = vfile.size;
sha_init(SHA256_MODE);
for (size_t pos = 0; (pos < fsize) && ret; pos += MAIN_BUFFER_SIZE) {
UINT read_bytes = min(MAIN_BUFFER_SIZE, fsize - pos);
if (ReadVirtualFile(&vfile, MAIN_BUFFER, pos, read_bytes, NULL) != 0)
@ -484,6 +484,7 @@ bool FileGetSha256(const char* path, u8* sha256) {
ret = false;
sha_update(MAIN_BUFFER, read_bytes);
}
sha_get(sha256);
} else { // for regular FAT files
FIL file;
size_t fsize;
@ -493,7 +494,8 @@ bool FileGetSha256(const char* path, u8* sha256) {
fsize = f_size(&file);
f_lseek(&file, 0);
f_sync(&file);
sha_init(SHA256_MODE);
for (size_t pos = 0; (pos < fsize) && ret; pos += MAIN_BUFFER_SIZE) {
UINT bytes_read = 0;
if (fx_read(&file, MAIN_BUFFER, MAIN_BUFFER_SIZE, &bytes_read) != FR_OK)
@ -502,10 +504,10 @@ bool FileGetSha256(const char* path, u8* sha256) {
ret = false;
sha_update(MAIN_BUFFER, bytes_read);
}
sha_get(sha256);
fx_close(&file);
}
ShowProgress(1, 1, path);
sha_get(sha256);
return ret;
}