1 files changed, 73 insertions, 0 deletions

diff --git a/e2fsprogs/e2p/ostype.c b/e2fsprogs/e2p/ostype.c
new file mode 100644
index 000000000..fe6597dd5
--- /dev/null
+++ b/e2fsprogs/e2p/ostype.c
@@ -0,0 +1,73 @@
+/*
+ * getostype.c          - Get the Filesystem OS type
+ *
+ * Copyright (C) 2004,2005  Theodore Ts'o <tytso@mit.edu>
+ *
+ * This file can be redistributed under the terms of the GNU Library General
+ * Public License
+ */
+
+#include "e2p.h"
+#include <string.h>
+
+const char *os_tab[] =
+        { "Linux", 
+          "Hurd", 
+          "Masix", 
+          "FreeBSD", 
+          "Lites",
+          0 };
+
+/*
+ * Convert an os_type to a string
+ */
+char *e2p_os2string(int os_type)
+{
+        const char      *os;
+        char            *ret;
+
+        if (os_type <= EXT2_OS_LITES)
+                os = os_tab[os_type];
+        else
+                os = "(unknown os)";
+
+        ret = malloc(strlen(os)+1);
+        strcpy(ret, os);
+        return ret;
+}
+
+/*
+ * Convert an os_type to a string
+ */
+int e2p_string2os(char *str)
+{
+        const char      **cpp;
+        int             i = 0;
+
+        for (cpp = os_tab; *cpp; cpp++, i++) {
+                if (!strcasecmp(str, *cpp))
+                        return i;
+        }
+        return -1;
+}
+
+#ifdef TEST_PROGRAM
+int main(int argc, char **argv)
+{
+        char    *s;
+        int     i, os;
+
+        for (i=0; i <= EXT2_OS_LITES; i++) {
+                s = e2p_os2string(i);
+                os = e2p_string2os(s);
+                printf("%d: %s (%d)\n", i, s, os);
+                if (i != os) {
+                        fprintf(stderr, "Failure!\n");
+                        exit(1);
+                }
+        }
+        exit(0);
+}
+#endif
+
+