minix/lib/posix/_mount.c

55 lines
1.2 KiB
C
Executable file

#include <lib.h>
#define mount _mount
#include <string.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/stat.h>
#include <minix/syslib.h>
#define OK 0
PUBLIC int mount(special, name, rwflag)
char *name, *special;
int rwflag;
{
struct stat stat_buf;
message m;
m.RS_CMD_ADDR = "/sbin/mfs";
if (stat(m.RS_CMD_ADDR, &stat_buf) == -1) {
printf("MOUNT: /sbin/mfs doesn't exist\n");
m.RS_CMD_ADDR = 0;
}
if (!m.RS_CMD_ADDR) {
m.RS_CMD_ADDR = "/bin/mfs";
if (stat(m.RS_CMD_ADDR, &stat_buf) == -1) {
printf("MOUNT: /bin/mfs doesn't exist\n");
m.RS_CMD_ADDR = 0;
}
}
if (m.RS_CMD_ADDR) {
if (!(stat_buf.st_mode & S_IFREG)) {
printf("MOUNT: FS binary is not a regular file\n");
}
m.RS_CMD_LEN = strlen(m.RS_CMD_ADDR);
m.RS_DEV_MAJOR = 0;
m.RS_PERIOD = 0;
if (OK != _taskcall(RS_PROC_NR, RS_UP, &m)) {
printf("MOUNT: error sending request to RS\n");
}
else {
/* copy endpointnumber */
m.m1_p3 = (char*)(unsigned long)m.RS_ENDPOINT;
}
}
m.m1_i1 = strlen(special) + 1;
m.m1_i2 = strlen(name) + 1;
m.m1_i3 = rwflag;
m.m1_p1 = special;
m.m1_p2 = name;
return(_syscall(FS, MOUNT, &m));
}