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Little demo program that outputs a read iso image.

release-1.5.4.branch
Vreixo Formoso 15 years ago
parent
commit
b273290415
  1. 104
      demo/iso_read.c
  2. 7
      src/fs_image.c

104
demo/iso_read.c

@ -8,16 +8,109 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include "messages.h"
#include "libisofs.h"
#include "fs_image.h"
static void
print_permissions(mode_t mode)
{
char perm[10];
//TODO suid, sticky...
perm[9] = '\0';
perm[8] = mode & S_IXOTH ? 'x' : '-';
perm[7] = mode & S_IWOTH ? 'w' : '-';
perm[6] = mode & S_IROTH ? 'r' : '-';
perm[5] = mode & S_IXGRP ? 'x' : '-';
perm[4] = mode & S_IWGRP ? 'w' : '-';
perm[3] = mode & S_IRGRP ? 'r' : '-';
perm[2] = mode & S_IXUSR ? 'x' : '-';
perm[1] = mode & S_IWUSR ? 'w' : '-';
perm[0] = mode & S_IRUSR ? 'r' : '-';
printf(" %s ",perm);
}
static void
print_type(mode_t mode)
{
switch(mode & S_IFMT) {
case S_IFSOCK: printf("[S] "); break;
case S_IFLNK: printf("[L] "); break;
case S_IFREG: printf("[R] "); break;
case S_IFBLK: printf("[B] "); break;
case S_IFDIR: printf("[D] "); break;
case S_IFIFO: printf("[F] "); break;
}
}
static void
print_file_src(IsoFileSource *file)
{
struct stat info;
char *name;
iso_file_source_lstat(file, &info);
print_type(info.st_mode);
print_permissions(info.st_mode);
//printf(" {%ld,%ld} ", (long)info.st_dev, (long)info.st_ino);
name = iso_file_source_get_name(file);
printf(" %s", name);
free(name);
if (S_ISLNK(info.st_mode)) {
char buf[PATH_MAX];
iso_file_source_readlink(file, buf, PATH_MAX);
printf(" -> %s\n", buf);
}
printf("\n");
}
static void
print_dir(IsoFileSource *dir, int level)
{
int ret, i;
IsoFileSource *file;
struct stat info;
char *sp = alloca(level * 2 + 1);
for (i = 0; i < level * 2; i += 2) {
sp[i] = '|';
sp[i+1] = ' ';
}
sp[level * 2-1] = '-';
sp[level * 2] = '\0';
ret = iso_file_source_open(dir);
if (ret < 0) {
printf ("Can't open dir %d\n", ret);
}
while ((ret = iso_file_source_readdir(dir, &file)) == 1) {
printf("%s", sp);
print_file_src(file);
ret = iso_file_source_lstat(file, &info);
if (ret < 0) {
break;
}
if (S_ISDIR(info.st_mode)) {
print_dir(file, level + 1);
}
iso_file_source_unref(file);
}
iso_file_source_close(dir);
if (ret < 0) {
printf ("Can't print dir\n");
}
}
int main(int argc, char **argv)
{
int result;
IsoImageFilesystem *fs;
IsoDataSource *src;
IsoFileSource *root;
struct iso_read_opts opts = {
0, /* block */
0, /* norock */
@ -54,8 +147,19 @@ int main(int argc, char **argv)
printf ("Error creating filesystem\n");
return 1;
}
result = fs->fs.get_root((IsoFilesystem*)fs, &root);
if (result < 0) {
printf ("Can't get root %d\n", result);
return 1;
}
//print_file_src(root);
print_dir(root, 0);
iso_file_source_unref(root);
fs->close(fs);
iso_filesystem_unref((IsoFilesystem*)fs);
iso_data_source_unref(src);
libiso_msgs_destroy(&opts.messenger, 0);
return 0;
}

7
src/fs_image.c

@ -406,7 +406,11 @@ int ifs_close(IsoFileSource *src)
}
if (data->opened == 2) {
/* close a dir, free all pending pre-allocated children */
/*
* close a dir, free all pending pre-allocated children.
* not that we don't need to close the filesystem, it was already
* closed
*/
child_list_free((struct child_list*) data->data.content);
data->data.content = NULL;
data->opened = 0;
@ -1214,6 +1218,7 @@ int iso_image_filesystem_new(IsoDataSource *src, struct iso_read_opts *opts,
ifs->close = ifs_fs_close;
ifs->fs.data = data;
ifs->fs.refcount = 1;
ifs->fs.get_root = ifs_get_root;
ifs->fs.get_by_path = ifs_get_by_path;
ifs->fs.free = ifs_fs_free;

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