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-rw-r--r--libbb/run_shell.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/libbb/run_shell.c b/libbb/run_shell.c
index 30050fe..b26eba1 100644
--- a/libbb/run_shell.c
+++ b/libbb/run_shell.c
@@ -60,9 +60,8 @@ void run_shell ( const char *shell, int loginshell, const char *command, const c
args [0] = get_last_path_component ( xstrdup ( shell ));
if ( loginshell ) {
- char *args0 = xmalloc ( xstrlen ( args [0] ) + 2 );
- args0 [0] = '-';
- strcpy ( args0 + 1, args [0] );
+ char *args0;
+ bb_asprintf ( &args0, "-%s", args [0] );
args [0] = args0;
}