Extraction works now, but it broke listing the directories for some reason

This commit is contained in:
TriantaTV 2022-12-07 01:41:24 -06:00
parent 6a7068d22a
commit 4444defd27
2 changed files with 44 additions and 11 deletions

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@ -9,19 +9,15 @@
#include "fsactions.h"
#include "fusestructs.h"
/* Things to set for directory:
* Name, isValid, inode, isDirectory=1
*/
/* Things to set for file:
* Name, size, isValid, inode, isDirectory=0
*/
// Adds a file to the filesystem
// TODO: Fix implementation to add starting at Inode 0
void AddFileToFS(FileSystem* fs, char* fname)
{
int inputfd = open(fname, O_RDONLY);
if (inputfd == -1)
{
fprintf(stderr, "Failed opening input file\n");
exit(1);
}
struct stat tempstat;
ino_t currentInode = 0;
ino_t newInode;
@ -61,6 +57,7 @@ void AddFileToFS(FileSystem* fs, char* fname)
strcpy(fs->inodes[currentInode].blocks[newDirectBlock].name, fname);
fs->inodes[currentInode].blocks[newDirectBlock].inode = newInode;
read(inputfd, &(fs->dataBlocks[newInode].byte), tempstat.st_size);
close(inputfd);
return;
}
@ -120,10 +117,45 @@ int _RemoveFileFromFS_(FileSystem* fs, ino_t inodeNumber, char* fname)
}
// Extract a file from the filesystem
// TODO: Fix function so that it adds directories, then the file after
void ExtractFileFromFS(FileSystem* fs, char* fname)
{
ino_t currentInode = 0;
ino_t newInode;
char* tempname;
// Get first directory, labelled by 0 to splitLocation-1,
// assuming splitLocation not 0;
int splitLocation = FindNextDirectory(fname);
if (splitLocation == 0)
{
fname = fname + 1;
splitLocation = FindNextDirectory(fname);
}
// While there is a '/', make a new inode out of left and keep right side
while (splitLocation > -1)
{
tempname = strndup(fname, splitLocation);
newInode = FindDirectory(fs->inodes[currentInode], tempname);
if (newInode == -1)
{
fprintf(stderr, "Error extracting file due to path\n");
exit(1);
}
currentInode = newInode;
fname = fname + splitLocation + 1;
splitLocation = FindNextDirectory(fname);
}
for (int i = 0; i < DEFAULTINODEMAX; i++)
{
if (strcmp(fs->inodes[currentInode].blocks[i].name, fname) == 0)
{
newInode = fs->inodes[currentInode].blocks[i].inode;
off_t size = fs->inodes[currentInode].blocks[i].size;
write(STDOUT_FILENO, fs->dataBlocks[newInode].byte, size);
return;
}
}
return;
}

1
test/files/output.txt Normal file
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@ -0,0 +1 @@
wind