e2fsck: map PROMPT_* values to prompt messages

[tools/e2fsprogs.git] / misc / e2label.c

diff --git a/misc/e2label.c b/misc/e2label.c
index 2b4f171..910ccc7 100644 (file)
--- a/misc/e2label.c
+++ b/misc/e2label.c
@@ -1,12 +1,39 @@
 /*
  * e2label.c           - Print or change the volume label on an ext2 fs
  *
- * aeb, 970714
+ * Written by Andries Brouwer (aeb@cwi.nl), 970714
  *
+ * Copyright 1997, 1998 by Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
  */
 
-#include <fcntl.h>
+#include "config.h"
 #include <stdio.h>
+#include <string.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <termios.h>
+#include <time.h>
+#ifdef HAVE_GETOPT_H
+#include <getopt.h>
+#else
+extern char *optarg;
+extern int optind;
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#include "support/nls-enable.h"
 
 #define EXT2_SUPER_MAGIC 0xEF53
 
@@ -21,71 +48,73 @@ struct ext2_super_block {
        char  s_dummy2[824];
 } sb;
 
-int
-open_e2fs (char *dev, int mode) {
+static int open_e2fs (char *dev, int mode)
+{
        int fd;
 
        fd = open(dev, mode);
        if (fd < 0) {
             perror(dev);
-            fprintf (stderr, "e2label: cannot open %s\n", dev);
+            fprintf (stderr, _("e2label: cannot open %s\n"), dev);
             exit(1);
        }
        if (lseek(fd, 1024, SEEK_SET) != 1024) {
             perror(dev);
-            fprintf (stderr, "e2label: cannot seek to superblock\n");
+            fprintf (stderr, _("e2label: cannot seek to superblock\n"));
             exit(1);
        }
        if (read(fd, (char *) &sb, sizeof(sb)) != sizeof(sb)) {
             perror(dev);
-            fprintf (stderr, "e2label: error reading superblock\n");
+            fprintf (stderr, _("e2label: error reading superblock\n"));
             exit(1);
        }
        if (sb.s_magic[0] + 256*sb.s_magic[1] != EXT2_SUPER_MAGIC) {
-            fprintf (stderr, "e2label: not an ext2 filesystem\n");
+            fprintf (stderr, _("e2label: not an ext2 filesystem\n"));
             exit(1);
        }
 
        return fd;
 }
 
-void
-print_label (char *dev) {
+static void print_label (char *dev)
+{
        char label[VOLNAMSZ+1];
 
        open_e2fs (dev, O_RDONLY);
+       snprintf(label, sizeof(label), "%.*s", EXT2_LEN_STR(sb.s_volume_name));
        label[VOLNAMSZ] = 0;
-       strncpy(label, sb.s_volume_name, VOLNAMSZ);
        printf("%s\n", label);
 }
 
-void
-change_label (char *dev, char *label) {
+static void change_label (char *dev, char *label)
+{
        int fd;
 
        fd = open_e2fs(dev, O_RDWR);
        memset(sb.s_volume_name, 0, VOLNAMSZ);
        strncpy(sb.s_volume_name, label, VOLNAMSZ);
+       if (strlen(label) > VOLNAMSZ)
+               fprintf(stderr, _("Warning: label too long, truncating.\n"));
        if (lseek(fd, 1024, SEEK_SET) != 1024) {
             perror(dev);
-            fprintf (stderr, "e2label: cannot seek to superblock again\n");
+            fprintf (stderr, _("e2label: cannot seek to superblock again\n"));
             exit(1);
        }
        if (write(fd, (char *) &sb, sizeof(sb)) != sizeof(sb)) {
             perror(dev);
-            fprintf (stderr, "e2label: error writing superblock\n");
+            fprintf (stderr, _("e2label: error writing superblock\n"));
             exit(1);
        }
 }
 
-int
-main (int argc, char ** argv) {
+int main (int argc, char ** argv)
+{
        if (argc == 2)
             print_label(argv[1]);
        else if (argc == 3)
             change_label(argv[1], argv[2]);
        else {
-            fprintf(stderr, "Usage: e2label device [newlabel]\n");
+            fprintf(stderr, _("Usage: e2label device [newlabel]\n"));
             exit(1);
        }
        return 0;