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| author | hoek <hoek@FreeBSD.org> | 1998-07-03 17:12:10 +0000 |
|---|---|---|
| committer | hoek <hoek@FreeBSD.org> | 1998-07-03 17:12:10 +0000 |
| commit | 4a55b250d402fbee412172e44607f4469a953273 (patch) | |
| tree | d06d026218420cb8f581667893d02f16e1ce93e6 /usr.bin/more | |
| parent | 2238238604ab5b7dc82602b6f260bfe3c98c879e (diff) | |
| download | FreeBSD-src-4a55b250d402fbee412172e44607f4469a953273.zip FreeBSD-src-4a55b250d402fbee412172e44607f4469a953273.tar.gz | |
Prevent recursive help)elp)elping.
Diffstat (limited to 'usr.bin/more')
| -rw-r--r-- | usr.bin/more/command.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/usr.bin/more/command.c b/usr.bin/more/command.c index 6d9e1c7..71f6088 100644 --- a/usr.bin/more/command.c +++ b/usr.bin/more/command.c @@ -57,6 +57,7 @@ extern int sc_height; extern int sc_window; extern int curr_ac; extern int ac; +extern char **av; extern int quitting; extern int scroll; extern int screen_trashed; /* The screen has been overwritten */ @@ -511,6 +512,10 @@ again: if (sigs) number, wsearch); break; case A_HELP: /* help */ + if (!strcmp(_PATH_HELPFILE, av[curr_ac])) { + error("Already viewing help."); + break; + } lower_left(); clear_eol(); putstr("help"); @@ -633,7 +638,6 @@ editfile() showlist() { extern int sc_width; - extern char **av; register int indx, width; int len; char *p; |
