getty: fix for NOCTTY killing us with SIGHUP

[oweals/busybox.git] / coreutils / uniq.c

diff --git a/coreutils/uniq.c b/coreutils/uniq.c
index 358de789490e14f613394c3da952c664a043c3cb..9208d34ec487040bf3a7c40394f910cfe618367e 100644 (file)
--- a/coreutils/uniq.c
+++ b/coreutils/uniq.c
@@ -10,6 +10,23 @@
 /* BB_AUDIT SUSv3 compliant */
 /* http://www.opengroup.org/onlinepubs/007904975/utilities/uniq.html */
 
+//usage:#define uniq_trivial_usage
+//usage:       "[-cdu][-f,s,w N] [INPUT [OUTPUT]]"
+//usage:#define uniq_full_usage "\n\n"
+//usage:       "Discard duplicate lines\n"
+//usage:     "\n       -c      Prefix lines by the number of occurrences"
+//usage:     "\n       -d      Only print duplicate lines"
+//usage:     "\n       -u      Only print unique lines"
+//usage:     "\n       -f N    Skip first N fields"
+//usage:     "\n       -s N    Skip first N chars (after any skipped fields)"
+//usage:     "\n       -w N    Compare N characters in line"
+//usage:
+//usage:#define uniq_example_usage
+//usage:       "$ echo -e \"a\\na\\nb\\nc\\nc\\na\" | sort | uniq\n"
+//usage:       "a\n"
+//usage:       "b\n"
+//usage:       "c\n"
+
 #include "libbb.h"
 
 int uniq_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
@@ -86,7 +103,7 @@ int uniq_main(int argc UNUSED_PARAM, char **argv)
                        }
 
                        free(cur_line);
-                       ++dups;  /* testing for overflow seems excessive */
+                       ++dups;  /* testing for overflow seems excessive */
                }
 
                if (old_line) {