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088e7b727d
Also a bunch of somewhat related changes, I was too lazy to break this into more than one commit
52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
#include <sys/stat.h>
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#include <string.h>
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#include "fs/stat.h"
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#include "fs/proc.h"
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mode_t_ proc_entry_mode(struct proc_entry *entry) {
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mode_t_ mode = entry->meta->mode;
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if ((mode & S_IFMT) == 0)
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mode |= S_IFREG;
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if ((mode & 0777) == 0) {
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if (S_ISREG(mode))
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mode |= 0444;
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else if (S_ISDIR(mode))
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mode |= 0555;
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else if (S_ISLNK(mode))
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mode |= 0777;
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}
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return mode;
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}
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int proc_entry_stat(struct proc_entry *entry, struct statbuf *stat) {
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memset(stat, 0, sizeof(*stat));
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stat->mode = proc_entry_mode(entry);
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stat->inode = entry->meta->inode | entry->pid << 16 | (uint64_t) entry->fd << 48;
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return 0;
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}
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void proc_entry_getname(struct proc_entry *entry, char *buf) {
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if (entry->meta->getname)
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entry->meta->getname(entry, buf);
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else if (entry->meta->name)
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strcpy(buf, entry->meta->name);
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else
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assert(!"missing name in proc entry");
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}
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bool proc_dir_read(struct proc_entry *entry, unsigned long *index, struct proc_entry *next_entry) {
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if (entry->meta->readdir)
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return entry->meta->readdir(entry, index, next_entry);
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if (entry->meta->children) {
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if (*index >= entry->meta->children_sizeof/sizeof(entry->meta->children[0]))
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return false;
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next_entry->meta = &entry->meta->children[*index];
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next_entry->pid = entry->pid;
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(*index)++;
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return true;
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}
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assert(!"read from invalid proc directory");
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}
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