*: optimize most of isXXXXX() macros

   text    data     bss     dec     hex filename
 824164     453    6812  831429   cafc5 busybox_old
 823730     453    6812  830995   cae13 busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 5 insertions, 8 deletions

diff --git a/coreutils/od.c b/coreutils/od.c
index e4179a36d..228db19ac 100644
--- a/coreutils/od.c
+++ b/coreutils/od.c
@@ -20,9 +20,6 @@
 
 #include "dump.h"
 
-#define isdecdigit(c) isdigit(c)
-#define ishexdigit(c) (isxdigit)(c)
-
 static void
 odoffset(dumper_t *dumper, int argc, char ***argvp)
 {
@@ -51,8 +48,8 @@ odoffset(dumper_t *dumper, int argc, char ***argvp)
 
         if ((*p != '+')
                 && (argc < 2
-                        || (!isdecdigit(p[0])
-                                && ((p[0] != 'x') || !ishexdigit(p[1])))))
+                        || (!isdigit(p[0])
+                                && ((p[0] != 'x') || !isxdigit(p[1])))))
                 return;
 
         base = 0;
@@ -62,7 +59,7 @@ odoffset(dumper_t *dumper, int argc, char ***argvp)
          */
         if (p[0] == '+')
                 ++p;
-        if (p[0] == 'x' && ishexdigit(p[1])) {
+        if (p[0] == 'x' && isxdigit(p[1])) {
                 ++p;
                 base = 16;
         } else if (p[0] == '0' && p[1] == 'x') {
@@ -72,10 +69,10 @@ odoffset(dumper_t *dumper, int argc, char ***argvp)
 
         /* skip over the number */
         if (base == 16)
-                for (num = p; ishexdigit(*p); ++p)
+                for (num = p; isxdigit(*p); ++p)
                         continue;
         else
-                for (num = p; isdecdigit(*p); ++p)
+                for (num = p; isdigit(*p); ++p)
                         continue;
 
         /* check for no number */