use temp file to set configuration

This commit is contained in:
Laurent Vivier 2008-08-13 20:17:46 +00:00
parent 99a937f634
commit bcd309d505

View File

@ -24,6 +24,7 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <libmap.h>
#include <emile.h>
@ -285,11 +286,18 @@ static int set_config(char *image, int second_offset, char *config)
sprintf(c, "configuration %s\n", config);
fd = open(image, O_RDWR);
lseek(fd, second_offset * 512, SEEK_SET);
if (fd == -1)
return -1;
ret = lseek(fd, second_offset * 512, SEEK_SET);
if (ret == -1) {
close(fd);
return -1;
}
emile_second_set_configuration(fd, (int8_t*)c);
close(fd);
return ret;
return 0;
}
static int set_first(char *image, int drive_num, int second_offset, int second_size)
@ -429,6 +437,11 @@ int main(int argc, char** argv)
if (create_apple_driver(temp, appledriver, first_level))
return 1;
} else {
char name[32];
int fd_in, fd_out;
char buf[512];
int ret;
if (first_level != NULL ||
second_level != NULL ||
appledriver != NULL) {
@ -439,13 +452,45 @@ int main(int argc, char** argv)
return 1;
}
if (conffile)
set_config(emiledriver, 0, conffile);
else
set_second(emiledriver, 0,
kernel_image, cmdline, ramdisk);
if (create_apple_driver(temp, emiledriver, first_level))
fd_in = open(emiledriver, O_RDONLY);
if (fd_in == -1)
{
fprintf(stderr, "ERROR: cannot open %s\n", emiledriver);
return 1;
}
sprintf(name, "/tmp/emile_driver-XXXXXX");
mktemp(name);
fd_out = open(name, O_RDWR | O_CREAT, S_IRWXU);
if (fd_out == -1)
{
fprintf(stderr, "ERROR: cannot open %s (%s)\n", name, strerror(errno));
return 1;
}
while ( (ret = read(fd_in, buf, 512)) > 0 )
{
ret = write(fd_out, buf, ret);
if (ret == -1)
break;
}
close(fd_in);
close(fd_out);
if (ret == -1)
{
fprintf(stderr, "ERROR: cannot copy %s to %s\n", emiledriver, name);
return 1;
}
if (conffile)
set_config(name, 0, conffile);
else
set_second(name, 0, kernel_image, cmdline, ramdisk);
if (create_apple_driver(temp, name, first_level))
return 1;
unlink(name);
}
buffer = malloc(65536);