[hackers] [sbase] Add "-" support to comm(1) || sin

From: <git_AT_suckless.org>
Date: Thu, 13 Nov 2014 17:01:48 +0100

commit d208659414798cd47652a5aac67b4df8abfc380d
Author: sin <sin_AT_2f30.org>
Date: Thu Nov 13 15:38:39 2014 +0000

    Add "-" support to comm(1)

diff --git a/comm.c b/comm.c
index 10f45b5..0cf3d41 100644
--- a/comm.c
+++ b/comm.c
_AT_@ -41,6 +41,8 @@ main(int argc, char *argv[])
                 usage();
 
         for(i = 0; i < LEN(fp); i++) {
+ if (argv[i][0] == '-')
+ argv[i] = "/dev/fd/0";
                 if(!(fp[i] = fopen(argv[i], "r")))
                         eprintf("comm: '%s':", argv[i]);
         }
_AT_@ -48,13 +50,13 @@ main(int argc, char *argv[])
         for(;;) {
                 if(diff <= 0) {
                         if(!nextline(lines[0], sizeof(lines[0]),
- fp[0], argv[0])) {
+ fp[0], argv[0])) {
                                 finish(1, fp[1], argv[1]);
                         }
                 }
                 if(diff >= 0) {
                         if(!nextline(lines[1], sizeof(lines[1]),
- fp[1], argv[1])) {
+ fp[1], argv[1])) {
                                 finish(0, fp[0], argv[0]);
                         }
                 }
_AT_@ -89,7 +91,6 @@ nextline(char *buf, int n, FILE *f, char *name)
                 eprintf("comm: '%s':", name);
         if(buf && !strchr(buf, '\n'))
                 eprintf("comm: '%s': line too long.\n", name);
-
         return buf;
 }
 
_AT_@ -100,6 +101,5 @@ finish(int pos, FILE *f, char *name)
 
         while(nextline(buf, sizeof(buf), f, name))
                 printline(pos, buf);
-
         exit(1);
 }
Received on Thu Nov 13 2014 - 17:01:48 CET