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Fix issue with large files MSB being overwritten

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This commit is contained in:
Eric Helgeson 2022-09-19 21:33:56 -05:00
parent 2be810e2ca
commit 98162fcd84
2 changed files with 12 additions and 9 deletions
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20
src/BlueSCSI.cpp
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@ -1836,27 +1836,28 @@ byte onListFiles(SCSI_DEVICE *dev, const byte *cdb) {
// FileEntry names[512];
char names[512] ={0};
int ENTRY_SIZE = 40;
char name[MAX_FILE_PATH + 1];
char name[MAX_MAC_PATH + 1];
dir.open("/shared");
dir.rewindDirectory();
uint8_t index = 0;
while (file.openNext(&dir, O_RDONLY)) {
uint8_t isDir = file.isDirectory() ? 0x00 : 0x01;
file.getName(name, MAX_FILE_PATH + 1);
u_int32_t size = file.fileSize();
file.close();
file.getName(name, MAX_MAC_PATH + 1);
uint64_t size = file.fileSize();
byte file_entry[ENTRY_SIZE] = {0};
file_entry[0] = index;
file_entry[1] = isDir;
int c = 0;
for(int i = 2; i < (MAX_FILE_PATH + 1 + 2); i++) { // bytes 2 - 34
for(int i = 2; i < (MAX_MAC_PATH + 1 + 2); i++) { // bytes 2 - 34
file_entry[i] = name[c++];
}
file_entry[35] = (size >> 32) & 0xff;
file_entry[35] = 0; //(size >> 32) & 0xff;
file_entry[36] = (size >> 24) & 0xff;
file_entry[37] = (size >> 16) & 0xff;
file_entry[38] = (size >> 8) & 0xff;
file_entry[39] = (size) & 0xff;
file.close();
memcpy(&(names[ENTRY_SIZE * index]), file_entry, ENTRY_SIZE);
index = index + 1;
}
@ -1933,6 +1934,7 @@ byte onGetFile(SCSI_DEVICE *dev, const byte *cdb) {
}
uint32_t file_total = file.size();
byte buf[512] = {0};
file.seekSet(offset * 512);
int read_bytes = file.read(buf, 512);
@ -1950,10 +1952,10 @@ byte onGetFile(SCSI_DEVICE *dev, const byte *cdb) {
File receveFile;
byte onSendFilePrep(SCSI_DEVICE *dev, const byte *cdb)
{
char file_name[33];
char file_name[MAX_MAC_PATH+1];
memset(file_name, '\0', 33);
readDataPhase(33, m_buf);
memset(file_name, '\0', MAX_MAC_PATH+1);
readDataPhase(MAX_MAC_PATH+1, m_buf);
strcpy(file_name, (char *)m_buf);
SD.chdir("/shared");

1
src/BlueSCSI.h
View File

@ -242,6 +242,7 @@ enum SCSI_DEVICE_TYPE
#define HDIMG_LUN_POS 3 // Position to embed LUN numbers
#define HDIMG_BLK_POS 5 // Position to embed block size numbers
#define MAX_FILE_PATH 64 // Maximum file name length
#define MAX_MAC_PATH 32 // Maximum file name length on vintage macs
/*
* Data byte to BSRR register setting value and parity table