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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2008-12-10 11:51:45 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2008-12-10 11:51:45 +0000
commit311c19a661fb8e8cc85d131c1b87a6b80a89ef7c (patch)
tree70bf2da2e5cac027c9b6479cf61dc48739f6deec /coreutils/printf.c
parent6a2d0d9b8d90ba76c2f90fc352acc886bd3e578d (diff)
downloadbusybox-311c19a661fb8e8cc85d131c1b87a6b80a89ef7c.tar.gz
busybox-311c19a661fb8e8cc85d131c1b87a6b80a89ef7c.tar.bz2
ash: printf builtin with no arguments should not exit
Diffstat (limited to 'coreutils/printf.c')
-rw-r--r--coreutils/printf.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/coreutils/printf.c b/coreutils/printf.c
index 76524f706..b0a48cda4 100644
--- a/coreutils/printf.c
+++ b/coreutils/printf.c
@@ -359,8 +359,15 @@ int printf_main(int argc UNUSED_PARAM, char **argv)
* We will mimic coreutils. */
if (argv[1] && argv[1][0] == '-' && argv[1][1] == '-' && !argv[1][2])
argv++;
- if (!argv[1])
+ if (!argv[1]) {
+ if (ENABLE_ASH_BUILTIN_PRINTF
+ && applet_name[0] != 'p'
+ ) {
+ bb_error_msg("usage: printf FORMAT [ARGUMENT...]");
+ return 2; /* bash compat */
+ }
bb_show_usage();
+ }
format = argv[1];
argv2 = argv + 2;