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ioctl() IOCTL_STAT command

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This commit is contained in:
Kamil Kowalczyk
2025-09-14 19:30:20 +02:00
parent 26ff717b50
commit 69e23a9ca3
5 changed files with 71 additions and 2 deletions
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22
user/tb/main.c
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@ -10,7 +10,9 @@
#include <sysdefs/ipcpipe.h>
#include <sysdefs/ioctl.h>
#include <sysdefs/processctl.h>
#include <dlmalloc/malloc.h>
#include <errors.h>
#include <util/util.h>
struct {
char *modestr;
@ -50,11 +52,31 @@ void process_cmd(char *cmdtext) {
}
void do_file(char *filepath) {
int32_t ret;
int32_t ioh = ioctl(IOCTL_NOHANDLE, IOCTL_OPENF, (uint64_t)filepath, IOCTL_F_READ, 0);
if (ioh < 0) {
LOG(LOG_ERR, "Could not open %s: %s\n", filepath, ERRSTRING(ioh));
return;
}
IoctlStat statbuf = ZERO(&statbuf);
ioctl(ioh, IOCTL_STAT, (uint64_t)&statbuf, 0, 0);
if (statbuf.type != IOCTLSTAT_FILE) {
LOG(LOG_ERR, "%s is not a file (%d)\n", filepath, statbuf.type);
return;
}
uint8_t *buf = dlmalloc(statbuf.size);
if ((ret = ioctl(ioh, IOCTL_READ, (uint64_t)buf, statbuf.size, 0)) < 0) {
LOG(LOG_ERR, "Could not read %s (%d): %s\n", filepath, ioh, ERRSTRING(ioh));
goto done;
}
done:
dlfree(buf);
ioctl(ioh, IOCTL_CLOSEF, 0, 0, 0);
}
void do_mode_interactive(void) {