diff options
Diffstat (limited to 'shell')
| -rw-r--r-- | shell/hush.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/shell/hush.c b/shell/hush.c index 7b83c736c..a9183c82f 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -4520,9 +4520,10 @@ static int parse_dollar(o_string *as_string, debug_printf_parse("parse_dollar entered: ch='%c'\n", ch); if (isalpha(ch)) { + make_var: ch = i_getch(input); nommu_addchr(as_string, ch); - make_var: + /*make_var1:*/ o_addchr(dest, SPECIAL_VAR_SYMBOL); while (1) { debug_printf_parse(": '%c'\n", ch); @@ -4715,19 +4716,22 @@ static int parse_dollar(o_string *as_string, } #endif case '_': + goto make_var; +#if 0 + /* TODO: $_ and $-: */ + /* $_ Shell or shell script name; or last argument of last command + * (if last command wasn't a pipe; if it was, bash sets $_ to ""); + * but in command's env, set to full pathname used to invoke it */ + /* $- Option flags set by set builtin or shell options (-i etc) */ ch = i_getch(input); nommu_addchr(as_string, ch); ch = i_peek_and_eat_bkslash_nl(input); if (isalnum(ch)) { /* it's $_name or $_123 */ ch = '_'; - goto make_var; + goto make_var1; } /* else: it's $_ */ - /* TODO: $_ and $-: */ - /* $_ Shell or shell script name; or last argument of last command - * (if last command wasn't a pipe; if it was, bash sets $_ to ""); - * but in command's env, set to full pathname used to invoke it */ - /* $- Option flags set by set builtin or shell options (-i etc) */ +#endif default: o_addQchr(dest, '$'); } @@ -5669,9 +5673,9 @@ static char *replace_pattern(char *val, const char *pattern, const char *repl, c */ static NOINLINE const char *expand_one_var(char **to_be_freed_pp, char *arg, char **pp) { - const char *val = NULL; - char *to_be_freed = NULL; - char *p = *pp; + const char *val; + char *to_be_freed; + char *p; char *var; char first_char; char exp_op; @@ -5680,6 +5684,9 @@ static NOINLINE const char *expand_one_var(char **to_be_freed_pp, char *arg, cha char *exp_word = exp_word; /* for compiler */ char arg0; + val = NULL; + to_be_freed = NULL; + p = *pp; *p = '\0'; /* replace trailing SPECIAL_VAR_SYMBOL */ var = arg; exp_saveptr = arg[1] ? strchr(VAR_ENCODED_SUBST_OPS, arg[1]) : NULL; |