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shell/read: check that variable names are sane

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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>
This commit is contained in:
Denys Vlasenko
2010-01-13 18:22:35 +01:00
parent 03d81ef43a
commit 25d9b91d94
5 changed files with 26 additions and 24 deletions
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4
shell/ash.c
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@ -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 },