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hush: fix "export PS1=xyz" and "local PS1=xyz" messing up prompt

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function                                             old     new   delta
helper_export_local                                  215     253     +38
leave_var_nest_level                                 107     127     +20
run_pipe                                            1840    1857     +17
handle_changed_special_names                         101     105      +4
shell_builtin_read                                  1399    1398      -1
done_word                                            767     766      -1
parse_stream                                        2249    2245      -4
set_local_var                                        437     430      -7
is_well_formed_var_name                               66       -     -66
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(add/remove: 0/1 grow/shrink: 4/4 up/down: 79/-79)              Total: 0 bytes
   text	   data	    bss	    dec	    hex	filename
 952376	    485	   7296	 960157	  ea69d	busybox_old
 952400	    485	   7296	 960181	  ea6b5	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2019-05-14 18:53:24 +02:00
parent 875ce094cf
commit d8bd7012a3
3 changed files with 40 additions and 32 deletions
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2
shell/shell_common.h
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@ -26,8 +26,6 @@ extern const char defifsvar[] ALIGN1; /* "IFS= \t\n" */
extern const char defoptindvar[] ALIGN1; /* "OPTIND=1" */
int FAST_FUNC is_well_formed_var_name(const char *s, char terminator);
/* Builtins */
struct builtin_read_params {