diff options
Diffstat (limited to 'fish')
| -rw-r--r-- | fish/fish.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/fish/fish.c b/fish/fish.c index df12fe7e..3775e50f 100644 --- a/fish/fish.c +++ b/fish/fish.c @@ -1,4 +1,4 @@ -/* $NetBSD: fish.c,v 1.7 1999/04/24 22:09:06 kristerw Exp $ */ +/* $NetBSD: fish.c,v 1.8 1999/07/14 17:30:21 hubertf Exp $ */ /*- * Copyright (c) 1990, 1993 @@ -46,7 +46,7 @@ __COPYRIGHT("@(#) Copyright (c) 1990, 1993\n\ #if 0 static char sccsid[] = "@(#)fish.c 8.1 (Berkeley) 5/31/93"; #else -__RCSID("$NetBSD: fish.c,v 1.7 1999/04/24 22:09:06 kristerw Exp $"); +__RCSID("$NetBSD: fish.c,v 1.8 1999/07/14 17:30:21 hubertf Exp $"); #endif #endif /* not lint */ @@ -104,6 +104,8 @@ main(argc, argv) { int ch, move; + setgid(getgid()); + while ((ch = getopt(argc, argv, "p")) != -1) switch(ch) { case 'p': @@ -450,6 +452,8 @@ instructions() { int input; pid_t pid; + int fd; + const char *pager; int status; (void)printf("Would you like instructions (y or n)? "); @@ -460,10 +464,18 @@ instructions() switch (pid = fork()) { case 0: /* child */ - (void)setuid(getuid()); - (void)setgid(getgid()); - (void)execl(_PATH_MORE, "more", _PATH_INSTR, NULL); - err(1, "%s %s", _PATH_MORE, _PATH_INSTR); + if (!isatty(1)) + pager = "cat"; + else { + if (!(pager = getenv("PAGER")) || (*pager == 0)) + pager = _PATH_MORE; + } + if ((fd = open(_PATH_INSTR, O_RDONLY)) == -1) + err(1, "open %s", _PATH_INSTR); + if (dup2(fd, 0) == -1) + err(1, "dup2"); + (void)execl("/bin/sh", "sh", "-c", pager, NULL); + err(1, "exec sh -c %s", pager); /*NOTREACHED*/ case -1: err(1, "fork"); |