btrfs-progs: cleanup: avoid to use literal for getopt val

Signed-off-by: David Sterba <dsterba@suse.cz>

diff --git a/cmds-fi-disk_usage.c b/cmds-fi-disk_usage.c
index d81f011..5e8e39b 100644 (file)
--- a/cmds-fi-disk_usage.c
+++ b/cmds-fi-disk_usage.c
@@ -877,8 +877,8 @@ int cmd_filesystem_usage(int argc, char **argv)
                        { "mbytes", no_argument, NULL, 'm'},
                        { "gbytes", no_argument, NULL, 'g'},
                        { "tbytes", no_argument, NULL, 't'},
-                       { "si", no_argument, NULL, 256},
-                       { "iec", no_argument, NULL, 257},
+                       { "si", no_argument, NULL, GETOPT_VAL_SI},
+                       { "iec", no_argument, NULL, GETOPT_VAL_IEC},
                };
                int c = getopt_long(argc, argv, "bhHkmgtT", long_options,
                                &long_index);
@@ -907,10 +907,10 @@ int cmd_filesystem_usage(int argc, char **argv)
                case 'H':
                        unit_mode = UNITS_HUMAN_DECIMAL;
                        break;
-               case 256:
+               case GETOPT_VAL_SI:
                        units_set_mode(&unit_mode, UNITS_DECIMAL);
                        break;
-               case 257:
+               case GETOPT_VAL_IEC:
                        units_set_mode(&unit_mode, UNITS_BINARY);
                        break;
                case 'T':

diff --git a/cmds-filesystem.c b/cmds-filesystem.c
index 7eaccb9..8f037dd 100644 (file)
--- a/cmds-filesystem.c
+++ b/cmds-filesystem.c
@@ -216,8 +216,8 @@ static int cmd_filesystem_df(int argc, char **argv)
                        { "mbytes", no_argument, NULL, 'm'},
                        { "gbytes", no_argument, NULL, 'g'},
                        { "tbytes", no_argument, NULL, 't'},
-                       { "si", no_argument, NULL, 256},
-                       { "iec", no_argument, NULL, 257},
+                       { "si", no_argument, NULL, GETOPT_VAL_SI},
+                       { "iec", no_argument, NULL, GETOPT_VAL_IEC},
                };
                int c = getopt_long(argc, argv, "bhHkmgt", long_options,
                                        &long_index);
@@ -245,10 +245,10 @@ static int cmd_filesystem_df(int argc, char **argv)
                case 'H':
                        unit_mode = UNITS_HUMAN_DECIMAL;
                        break;
-               case 256:
+               case GETOPT_VAL_SI:
                        units_set_mode(&unit_mode, UNITS_DECIMAL);
                        break;
-               case 257:
+               case GETOPT_VAL_IEC:
                        units_set_mode(&unit_mode, UNITS_BINARY);
                        break;
                default:

diff --git a/utils.h b/utils.h
index 0464c2d..34fd5e4 100644 (file)
--- a/utils.h
+++ b/utils.h
@@ -40,6 +40,9 @@
 
 #define ARGV0_BUF_SIZE PATH_MAX
 
+#define GETOPT_VAL_SI  256
+#define GETOPT_VAL_IEC 257
+
 int check_argc_exact(int nargs, int expected);
 int check_argc_min(int nargs, int expected);
 int check_argc_max(int nargs, int expected);