Files
my-os-project2/user/fs/fetch.c

39 lines
867 B
C

#include <stddef.h>
#include <stdint.h>
#include <ulib.h>
void fs_fetch(void) {
if (argslen() < 2) {
uprintf("fs: Not enough arguments\n");
return;
}
char *path = *(args()+1);
IOH ioh = ioctl(IOCTL_NOHANDLE, IOCTL_OPENF, (uint64_t)path, IOCTL_F_READ, 0);
if (ioh < 0) {
uprintf("fs: could not open %s\n", path);
return;
}
IoctlStat statbuf; ZERO(&statbuf);
ioctl(ioh, IOCTL_STAT, (uint64_t)&statbuf, (uint64_t)path, 0);
if (statbuf.type == IOCTLSTAT_FILE) {
uint8_t *buf = umalloc(statbuf.size+1);
string_memset(buf, 0, statbuf.size+1);
if (ioctl(ioh, IOCTL_READ, (uint64_t)buf, statbuf.size, 0) < 0) {
uprintf("fs: coult not read %s\n", path);
ufree(buf);
ioctl(ioh, IOCTL_CLOSEF, 0, 0, 0);
return;
}
uprintf("%s", buf);
ufree(buf);
}
ioctl(ioh, IOCTL_CLOSEF, 0, 0, 0);
}