Effective base of libisoburn+xorriso 0.1.1 2008.02.22.124732

libisofs/branches/thomas/demo/cat.c

@@ -0,0 +1,74 @@
+/*
+ * 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 "libisofs.h"
+#include "fsource.h"
+
+#include <stdio.h>
+#include <stdlib.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;
+
+    if (argc != 2) {
+        fprintf(stderr, "Usage: cat /path/to/file\n");
+        return 1;
+    }
+
+    /* create filesystem object */
+    res = iso_local_filesystem_new(&fs);
+    if (res < 0) {
+        fprintf(stderr, "Can't get local fs object, err = %d\n", res);
+        return 1;
+    }
+
+    res = fs->get_by_path(fs, argv[1], &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);
+    return 0;
+}