shell/read: check that variable names are sane

function                                             old     new   delta
shell_builtin_read                                  1000    1055     +55
parse_command                                       1460    1463      +3
builtin_umask                                        121     123      +2
is_well_formed_var_name                               73      66      -7

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

1 files changed, 0 insertions, 4 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 31dc59253..798d15a4c 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -1768,11 +1768,7 @@ static const struct {
         const char *text;
         void (*func)(const char *) FAST_FUNC;
 } varinit_data[] = {
-#if IFS_BROKEN
         { VSTRFIXED|VTEXTFIXED       , defifsvar   , NULL            },
-#else
-        { VSTRFIXED|VTEXTFIXED|VUNSET, "IFS\0"     , NULL            },
-#endif
 #if ENABLE_ASH_MAIL
         { VSTRFIXED|VTEXTFIXED|VUNSET, "MAIL\0"    , changemail      },
         { VSTRFIXED|VTEXTFIXED|VUNSET, "MAILPATH\0", changemail      },