From 34fd60da22dae7711eb28f695c6b231a5ec83180 Mon Sep 17 00:00:00 2001
From: Jan Sucan <jan@jansucan.com>
Date: Sun, 30 May 2021 12:02:35 +0200
Subject: Move usage() function to options.c

---
 src/main.c    | 15 +--------------
 src/options.c | 13 +++++++++++++
 src/options.h |  1 +
 3 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/src/main.c b/src/main.c
index ea94921..92c7b8d 100644
--- a/src/main.c
+++ b/src/main.c
@@ -11,19 +11,6 @@
 #include "print.h"
 #include "resources.h"
 
-/* This header file is automatically generated at build time from the Makefile
- */
-#include "program_info.h"
-
-void
-usage(int exit_code)
-{
-    printf("Usage: %s [-s SECTOR_SIZE] [-b BUFFER_SIZE] [INFILE] REFFILE "
-           "OUTFILE\n",
-           PROGRAM_NAME_STR);
-    exit(exit_code);
-}
-
 void
 clean_exit(resources_t *const res, int exit_code)
 {
@@ -358,7 +345,7 @@ main(int argc, char **argv)
     options_t opts;
 
     if (options_parse(argc, argv, &opts) || opts.help) {
-        usage(1);
+        options_usage(1);
     }
 
     const bool is_action_backup = (opts.in_file_path != NULL);
diff --git a/src/options.c b/src/options.c
index 019136b..a4dbcb9 100644
--- a/src/options.c
+++ b/src/options.c
@@ -7,6 +7,10 @@
 #include "options.h"
 #include "print.h"
 
+/* This header file is automatically generated at build time from the Makefile
+ */
+#include "program_info.h"
+
 #define OPTIONS_DEFAULT_SECTOR_SIZE 512
 #define OPTIONS_DEFAULT_BUFFER_SIZE (4 * 1024 * 1024)
 
@@ -93,6 +97,15 @@ options_parse(int argc, char **argv, options_t *const opts)
     return 0;
 }
 
+void
+options_usage(int exit_code)
+{
+    printf("Usage: %s [-s SECTOR_SIZE] [-b BUFFER_SIZE] [INFILE] REFFILE "
+           "OUTFILE\n",
+           PROGRAM_NAME_STR);
+    exit(exit_code);
+}
+
 void
 options_init(options_t *const opts)
 {
diff --git a/src/options.h b/src/options.h
index 71259aa..89c3cd4 100644
--- a/src/options.h
+++ b/src/options.h
@@ -15,5 +15,6 @@ typedef struct {
 } options_t;
 
 int options_parse(int argc, char **argv, options_t *const opts);
+void options_usage(int exit_code);
 
 #endif /* OPTIONS_H */
-- 
cgit v1.2.3