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hush: tweak command -vV printing code, no logic changes

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2018-01-12 16:17:59 +01:00
parent 5700029c65
commit afb73a25ea
1 changed files with 5 additions and 3 deletions
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6
shell/hush.c
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@ -7336,6 +7336,7 @@ static void dump_cmd_in_x_mode(char **argv)
static void if_command_vV_print_and_exit(char opt_vV, char *cmd, const char *explanation)
{
char *to_free;
if (!opt_vV)
return;
@ -7343,14 +7344,15 @@ static void if_command_vV_print_and_exit(char opt_vV, char *cmd, const char *exp
if (!explanation) {
char *path = getenv("PATH");
explanation = to_free = find_executable(cmd, &path); /* path == NULL is ok */
if (!explanation)
_exit(1); /* PROG was not found */
if (opt_vV != 'V')
cmd = to_free; /* -v PROG prints "/path/to/PROG" */
}
if (explanation)
printf((opt_vV == 'V') ? "%s is %s\n" : "%s\n", cmd, explanation);
free(to_free);
fflush_all();
_exit(explanation == NULL); /* exit 1 if PROG was not found */
_exit(0);
}
#else
# define if_command_vV_print_and_exit(a,b,c) ((void)0)