shithub: neatmkfn

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ref: 799342c46e5f2928d77701e1b2f787ed729a1cce
parent: dd686dbd3509c79eecd46458dd3a5f367ceee367
author: aabacchus <[email protected]>
date: Sun May 22 18:50:21 EDT 2022

mkfn: print usage to stderr and return 1 on bad options

so that if an incorrect option is given in a pipeline, the error message can be seen.

--- a/mkfn.c

+++ b/mkfn.c

@@ -232,8 +232,8 @@

 			mkfn_warn = 1;

 			break;

 		default:

-			printf("%s", usage);

-			return 0;

+			fprintf(stderr, "%s", usage);

+			return 1;

 		}

 	}

 	trfn_init();