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ash: fix a bug in argv restoration after sourcing a file

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if sourced file "shift"ed argvs so that $1 is NULL, restore wasn't done.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2017-01-09 08:22:06 +01:00
parent 2b1559056c
commit fb87d93d1e
1 changed files with 4 additions and 2 deletions
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6
shell/ash.c
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@ -12548,6 +12548,7 @@ dotcmd(int argc_ UNUSED_PARAM, char **argv_ UNUSED_PARAM)
int status = 0;
char *fullname;
char **argv;
char *args_need_save;
struct strlist *sp;
volatile struct shparam saveparam;
@ -12567,7 +12568,8 @@ dotcmd(int argc_ UNUSED_PARAM, char **argv_ UNUSED_PARAM)
*/
fullname = find_dot_file(argv[0]);
argv++;
if (argv[0]) { /* . FILE ARGS, ARGS exist */
args_need_save = argv[0];
if (args_need_save) { /* . FILE ARGS, ARGS exist */
int argc;
saveparam = shellparam;
shellparam.malloced = 0;
@ -12586,7 +12588,7 @@ dotcmd(int argc_ UNUSED_PARAM, char **argv_ UNUSED_PARAM)
status = cmdloop(0);
popfile();
if (argv[0]) {
if (args_need_save) {
freeparam(&shellparam);
shellparam = saveparam;
};