e3c6a0973
Xabier Oneca
2021-04-13
Subject
touch: prevent usage of -r and -t at once
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coreutils/touch.c+11 -7
| @@ -120,14 +120,18 @@ int touch_main(int argc UNUSED_PARAM, char **argv) | |
| * accepted data format differs a bit between -d and -t. | |
| * We accept the same formats for both | |
| */ | |
| - | opts = getopt32long(argv, "c" IF_FEATURE_TOUCH_NODEREF("h") |
| - | IF_FEATURE_TOUCH_SUSV3("r:d:t:am") |
| - | /*ignored:*/ "f" IF_NOT_FEATURE_TOUCH_SUSV3("am"), |
| - | touch_longopts |
| + | opts = getopt32long(argv, "^" |
| + | "c" IF_FEATURE_TOUCH_NODEREF("h") |
| + | IF_FEATURE_TOUCH_SUSV3("r:d:t:am") |
| + | /*ignored:*/ "f" IF_NOT_FEATURE_TOUCH_SUSV3("am") |
| + | "\0" /* opt_complementary: */ |
| + | /* coreutils forbids -r and -t at once: */ IF_FEATURE_TOUCH_SUSV3("r--t:t--r") |
| + | /* but allows these combinations: "r--d:d--r:t--d:d--t" */, |
| + | touch_longopts |
| #if ENABLE_FEATURE_TOUCH_SUSV3 | |
| - | , &reference_file |
| - | , &date_str |
| - | , &date_str |
| + | , &reference_file |
| + | , &date_str |
| + | , &date_str |
| #endif | |
| ); | |