From 795c6bdfb9b5d63d404e1ff2e81910ecd7afa2ee Mon Sep 17 00:00:00 2001
From: Francois Fleuret <francois@fleuret.org>
Date: Fri, 5 Mar 2010 07:49:44 +0100
Subject: [PATCH] Removed the REVISION_NUMBER. Prints help on either stderr or
 stdout.

---
 Makefile        |  4 +---
 REVISION_NUMBER |  1 -
 dus.c           | 38 +++++++++++++++++++++++---------------
 3 files changed, 24 insertions(+), 19 deletions(-)
 delete mode 100644 REVISION_NUMBER

diff --git a/Makefile b/Makefile
index 692c075..d147886 100644
--- a/Makefile
+++ b/Makefile
@@ -26,15 +26,13 @@ MAN_PATH = /usr/share/man/man1
 
 LDFLAGS=
 
-REVISION_NUMBER=\"$(shell cat REVISION_NUMBER)\"
-
 ifeq ($(DEBUG),yes)
   OPTIMIZE_FLAG = -ggdb3 -DDEBUG -fno-omit-frame-pointer
 else
   OPTIMIZE_FLAG = -O2
 endif
 
-CFLAGS = -Wall -ansi -pedantic -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -DREVISION_NUMBER=$(REVISION_NUMBER) $(OPTIMIZE_FLAG)
+CFLAGS = -Wall -ansi -pedantic -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 $(OPTIMIZE_FLAG)
 
 all: dus
 
diff --git a/REVISION_NUMBER b/REVISION_NUMBER
deleted file mode 100644
index 0cfbf08..0000000
--- a/REVISION_NUMBER
+++ /dev/null
@@ -1 +0,0 @@
-2
diff --git a/dus.c b/dus.c
index 04147a1..e0b602e 100644
--- a/dus.c
+++ b/dus.c
@@ -22,6 +22,8 @@
  *
  */
 
+#define VERSION_NUMBER "1.0alpha"
+
 #define _BSD_SOURCE
 
 #include <sys/types.h>
@@ -288,6 +290,25 @@ void print_sorted(struct file_with_size *root, int width, int height) {
 
   free(nodes);
 }
+/**********************************************************************/
+void print_help(FILE *out) {
+  fprintf(out, "Usage: dus [OPTION]... [FILE]...\n");
+  fprintf(out, "Version %s\n", VERSION_NUMBER);
+  fprintf(out, "List files and directories sorted according to their size or content size. Take the content of the current directory as argument if none is provided.\n");
+  fprintf(out, "\n");
+  fprintf(out, "   -d          ignore files and directories starting with a '.'\n");
+  fprintf(out, "   -f          display size with float values and K, M and G units.\n");
+  fprintf(out, "   -r          reverse the sorting order.\n");
+  fprintf(out, "   -t          show the top of the list.\n");
+  fprintf(out, "   -c <cols>   specificy the number of columns to display. The value -1\n");
+  fprintf(out, "               corresponds to no constraint. By default the command\n");
+  fprintf(out, "               uses the tty width, or no constraint if the stdout is\n");
+  fprintf(out, "               not a tty.\n");
+  fprintf(out, "   -l <lines>  same as -c for number of lines.\n");
+  fprintf(out, "   -h          show this help.\n");
+  fprintf(out, "\n");
+  fprintf(out, "Report bugs and comments to <francois@fleuret.org>\n");
+}
 
 /**********************************************************************/
 
@@ -331,26 +352,13 @@ int main(int argc, char **argv) {
       break;
 
     case 'h':
-      printf("Usage: dus [OPTION]... [FILE]...\n");
-      printf("List files and directories sorted according to their size or content size. Take the content of the current directory as argument if none is provided.\n");
-      printf("\n");
-      printf("   -d          ignore files and directories starting with a '.'\n");
-      printf("   -f          display size with float values and K, M and G units.\n");
-      printf("   -r          reverse the sorting order.\n");
-      printf("   -t          show the top of the list.\n");
-      printf("   -c <cols>   specificy the number of columns to display. The value -1\n");
-      printf("               corresponds to no constraint. By default the command\n");
-      printf("               uses the tty width, or no constraint if the stdout is\n");
-      printf("               not a tty.\n");
-      printf("   -l <lines>  same as -c for number of lines.\n");
-      printf("   -h          show this help.\n");
-      printf("\n");
-      printf("Report bugs and comments to <francois@fleuret.org>\n");
+      print_help(stdout);
       exit(EXIT_SUCCESS);
 
       break;
 
     default:
+      print_help(stderr);
       exit(EXIT_FAILURE);
     }
   }
-- 
2.20.1