diff options
| author | Robert Morris <rtm@csail.mit.edu> | 2020-11-19 16:48:41 -0500 |
|---|---|---|
| committer | Robert Morris <rtm@csail.mit.edu> | 2020-11-19 16:48:41 -0500 |
| commit | 6e3f75c2aa670bc0d47928cd48408b81e5bd758d (patch) | |
| tree | 11c1ef9b25b335bf430ac206ef7da389deebb0eb /user | |
| parent | 231c08dc5e5e39a6fafda832e6935beb38ef3887 (diff) | |
| download | xv6-labs-6e3f75c2aa670bc0d47928cd48408b81e5bd758d.tar.gz xv6-labs-6e3f75c2aa670bc0d47928cd48408b81e5bd758d.tar.bz2 xv6-labs-6e3f75c2aa670bc0d47928cd48408b81e5bd758d.zip | |
suppress an incorrect error message in grind
Diffstat (limited to 'user')
| -rw-r--r-- | user/grind.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/user/grind.c b/user/grind.c index 85899f5..5cd89f4 100644 --- a/user/grind.c +++ b/user/grind.c @@ -277,14 +277,15 @@ go(int which_child) close(aa[0]); close(aa[1]); close(bb[1]); - char buf[3] = { 0, 0, 0 }; + char buf[4] = { 0, 0, 0, 0 }; read(bb[0], buf+0, 1); read(bb[0], buf+1, 1); + read(bb[0], buf+2, 1); close(bb[0]); int st1, st2; wait(&st1); wait(&st2); - if(st1 != 0 || st2 != 0 || strcmp(buf, "hi") != 0){ + if(st1 != 0 || st2 != 0 || strcmp(buf, "hi\n") != 0){ printf("grind: exec pipeline failed %d %d \"%s\"\n", st1, st2, buf); exit(1); } |