311c19a66
Denis Vlasenko
2008-12-10
Subject
ash: printf builtin with no arguments should not exit
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coreutils/printf.c+8 -1
| @@ -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; | |