shell: unify endofname() in hush and ash

function                                             old     new   delta
builtin_umask                                        132     133      +1
changepath                                           195     194      -1
expand_and_evaluate_arith                             77      69      -8
ash_arith                                            143     135      -8
expand_one_var                                      1551    1515     -36
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/4 up/down: 1/-53)             Total: -52 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>

1 files changed, 13 insertions, 1 deletions

diff --git a/shell/math.c b/shell/math.c
index f0cc2e35d..a4c55a4d0 100644
--- a/shell/math.c
+++ b/shell/math.c
@@ -122,7 +122,7 @@
 #define a_e_h_t arith_eval_hooks_t
 #define lookupvar (math_hooks->lookupvar)
 #define setvar    (math_hooks->setvar   )
-#define endofname (math_hooks->endofname)
+//#define endofname (math_hooks->endofname)
 
 #define arith_isspace(arithval) \
         (arithval == ' ' || arithval == '\n' || arithval == '\t')
@@ -479,6 +479,18 @@ static const char op_tokens[] ALIGN1 = {
 /* ptr to ")" */
 #define endexpression (&op_tokens[sizeof(op_tokens)-7])
 
+const char* FAST_FUNC
+endofname(const char *name)
+{
+        if (!is_name(*name))
+                return name;
+        while (*++name) {
+                if (!is_in_name(*name))
+                        break;
+        }
+        return name;
+}
+
 arith_t
 arith(const char *expr, int *perrcode, a_e_h_t *math_hooks)
 {