8b08d5a50
Denys Vlasenko
2018-07-18
Subject
hush: smaller code to set o_string to ""
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shell/hush.c+2 -4
| @@ -4997,8 +4997,7 @@ static struct pipe *parse_stream(char **pstring, | |
| /* If very first arg is "" or '', ctx.word.data may end up NULL. | |
| * Preventing this: | |
| */ | |
| - | o_addchr(&ctx.word, '\0'); |
| - | ctx.word.length = 0; |
| + | ctx.word.data = xzalloc(1); /* start as "", not as NULL */ |
| /* We used to separate words on $IFS here. This was wrong. | |
| * $IFS is used only for word splitting when $var is expanded, | |
| @@ -5795,8 +5794,7 @@ static char *encode_then_expand_vararg(const char *str, int handle_squotes, int | |
| */ | |
| setup_string_in_str(&input, str); | |
| - | o_addchr(&dest, '\0'); |
| - | dest.length = 0; |
| + | dest.data = xzalloc(1); /* start as "", not as NULL */ |
| exp_str = NULL; | |
| for (;;) { | |