Little test app that extracts contents of a file from image.

.bzrignore

@@ -31,3 +31,4 @@ demo/ecma119tree
 demo/iso
 demo/catbuffer
 demo/isoread
+demo/isocat

Makefile.am

@@ -57,7 +57,8 @@ noinst_PROGRAMS = \
 	demo/tree \
 	demo/ecma119tree \
 	demo/iso \
-	demo/isoread 
+	demo/isoread \
+	demo/isocat
 
 demo_lsl_CPPFLAGS = -Isrc
 demo_lsl_LDADD = $(src_libisofs_la_OBJECTS) $(THREAD_LIBS)
@@ -87,6 +88,10 @@ demo_isoread_CPPFLAGS = -Isrc
 demo_isoread_LDADD = $(src_libisofs_la_OBJECTS) $(THREAD_LIBS)
 demo_isoread_SOURCES = demo/iso_read.c
 
+demo_isocat_CPPFLAGS = -Isrc
+demo_isocat_LDADD = $(src_libisofs_la_OBJECTS) $(THREAD_LIBS)
+demo_isocat_SOURCES = demo/iso_cat.c
+
 
 ## Build unit test
  

demo/iso_cat.c

@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2007 Vreixo Formoso
+ * 
+ * This file is part of the libisofs project; you can redistribute it and/or 
+ * modify it under the terms of the GNU General Public License version 2 as 
+ * published by the Free Software Foundation. See COPYING file for details.
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "libisofs.h"
+#include "fsource.h"
+#include "fs_image.h"
+#include "messages.h"
+
+/*
+ * Little test program to test filesystem implementations.
+ * Outputs file contents to stdout!
+ */
+
+int main(int argc, char **argv)
+{
+    int res;
+    IsoFilesystem *fs;
+    IsoFileSource *file;
+    struct stat info;
+    IsoDataSource *src;
+    struct iso_read_opts opts = {
+        0, /* block */
+        0, /* norock */
+        0, /* nojoliet */
+        0, /* preferjoliet */
+        0, /* uid; */
+        0, /* gid; */
+        0, /* mode */
+        NULL, /* messenger */
+        "UTF-8" /* input_charset */
+    };
+
+    if (argc != 3) {
+        fprintf(stderr, "Usage: isocat /path/to/image /path/to/file\n");
+        return 1;
+    }
+
+    res = libiso_msgs_new(&opts.messenger, 0);
+    if (res <= 0) {
+        printf ("Can't create messenger\n");
+        return 1;
+    }
+    libiso_msgs_set_severities(opts.messenger, LIBISO_MSGS_SEV_NEVER, 
+                               LIBISO_MSGS_SEV_ALL, "", 0);
+    
+    res = iso_data_source_new_from_file(argv[1], &src);
+    if (res < 0) {
+        printf ("Error creating data source\n");
+        return 1;
+    }
+
+    res = iso_image_filesystem_new(src, &opts, &fs);
+    if (res < 0) {
+        printf ("Error creating filesystem\n");
+        return 1;
+    }
+
+    res = fs->get_by_path(fs, argv[2], &file);
+    if (res < 0) {
+        fprintf(stderr, "Can't get file, err = %d\n", res);
+        return 1;
+    }
+
+    res = iso_file_source_lstat(file, &info);
+    if (res < 0) {
+        fprintf(stderr, "Can't stat file, err = %d\n", res);
+        return 1;
+    }
+
+    if (S_ISDIR(info.st_mode)) {
+        fprintf(stderr, "Path refers to a directory!!\n");
+        return 1;
+    } else {
+        char buf[1024];
+        res = iso_file_source_open(file);
+        if (res < 0) {
+            fprintf(stderr, "Can't open file, err = %d\n", res);
+            return 1;
+        }
+        while ((res = iso_file_source_read(file, buf, 1024)) > 0) {
+            fwrite(buf, 1, res, stdout);
+        }
+        if (res < 0) {
+            fprintf(stderr, "Error reading, err = %d\n", res);
+            return 1;
+        }
+        iso_file_source_close(file);
+    }
+    
+    iso_file_source_unref(file);
+    iso_filesystem_unref(fs);
+    iso_data_source_unref(src);
+    libiso_msgs_destroy(&opts.messenger, 0);
+    return 0;
+}

src/fs_image.c

@@ -18,7 +18,6 @@
 #include "rockridge.h"
 
 #include <stdlib.h>
-#include <stdio.h>
 #include <string.h>