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option '-i' allows to dump start base and size of given file

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This commit is contained in:
Laurent Vivier 2006-09-09 21:25:35 +00:00
parent a7b18f9ade
commit 5596502a8d
1 changed files with 18 additions and 8 deletions
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22
tools/iso9660_cat.c
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@ -25,14 +25,25 @@ int main(int argc, char **argv)
iso9660_VOLUME *volume; iso9660_VOLUME *volume;
char buffer[512]; char buffer[512];
size_t size; size_t size;
int get_info = 0;
int arg = 1; int arg = 1;
char *devname; char *devname;
if (argc > 2) if ((argc > arg) && (strcmp(argv[arg], "-i") == 0)) {
arg++;
get_info = 1;
}
if (argc > arg)
devname = argv[arg++]; devname = argv[arg++];
else else
devname = "/dev/cdrom"; devname = "/dev/cdrom";
if (argc > arg)
path = argv[arg++];
else
path = "/";
device.data = device_open(devname); device.data = device_open(devname);
device.read_sector = (stream_read_sector_t)device_read_sector; device.read_sector = (stream_read_sector_t)device_read_sector;
device.close = (stream_close_t)device_close; device.close = (stream_close_t)device_close;
@ -41,11 +52,6 @@ int main(int argc, char **argv)
if (volume == NULL) if (volume == NULL)
return 1; return 1;
if (argc > arg)
path = argv[arg++];
else
path = "/";
file = iso9660_open(volume, path); file = iso9660_open(volume, path);
if (file == NULL) if (file == NULL)
{ {
@ -53,8 +59,12 @@ int main(int argc, char **argv)
return -1; return -1;
} }
if (get_info) {
printf("%d %d\n", file->base, file->size);
} else {
while((size = iso9660_read(file, buffer, 512)) > 0) while((size = iso9660_read(file, buffer, 512)) > 0)
write(STDOUT_FILENO, buffer, size); write(STDOUT_FILENO, buffer, size);
}
iso9660_close(file); iso9660_close(file);
iso9660_umount(volume); iso9660_umount(volume);