diff options
Diffstat (limited to 'Src/Modules')
| -rw-r--r-- | Src/Modules/ksh93.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/Src/Modules/ksh93.c b/Src/Modules/ksh93.c index 8d10317dc..3206c11f3 100644 --- a/Src/Modules/ksh93.c +++ b/Src/Modules/ksh93.c @@ -102,9 +102,10 @@ static const struct gsu_scalar sh_name_gsu = static const struct gsu_scalar sh_subscript_gsu = { strvargetfn, nullstrsetfn, nullunsetfn }; -static char *sh_name; -static char *sh_subscript; -static char *sh_edchar; +static char sh_unsetval[2]; /* Dummy to treat as NULL */ +static char *sh_name = sh_unsetval; +static char *sh_subscript = sh_unsetval; +static char *sh_edchar = sh_unsetval; static char sh_edmode[2]; /* @@ -193,7 +194,7 @@ ksh93_wrapper(Eprog prog, FuncWrap w, char *name) strcpy(sh_edmode, "\033"); else strcpy(sh_edmode, ""); - if (!sh_edchar) + if (sh_edchar == sh_unsetval) sh_edchar = dupstring(getsparam("KEYS")); if (varedarg) { char *ie = itype_end((sh_name = dupstring(varedarg)), INAMESPC, 0); @@ -204,16 +205,16 @@ ksh93_wrapper(Eprog prog, FuncWrap w, char *name) ie = sh_subscript + strlen(sh_subscript); *--ie = '\0'; } else - sh_subscript = NULL; + sh_subscript = sh_unsetval; if ((pm = createparam(".sh.value", LOCAL_NAMEREF))) { pm->level = locallevel; setloopvar(".sh.value", "BUFFER"); /* Hack */ pm->node.flags |= PM_READONLY; } } else - sh_name = sh_subscript = NULL; + sh_name = sh_subscript = sh_unsetval; } else { - sh_edchar = sh_name = sh_subscript = NULL; + sh_edchar = sh_name = sh_subscript = sh_unsetval; strcpy(sh_edmode, ""); /* TODO: * - disciplines |