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| author | jkh <jkh@FreeBSD.org> | 1999-01-08 18:37:34 +0000 |
|---|---|---|
| committer | jkh <jkh@FreeBSD.org> | 1999-01-08 18:37:34 +0000 |
| commit | 670683fcb99d8dc6fd235f8111c5c641e149a065 (patch) | |
| tree | b72ab1319822ebfa683875784e7a57cfbd6a9d82 | |
| parent | a8dc66f457be84eefbe16e70c901ceb11137ba65 (diff) | |
| download | FreeBSD-src-670683fcb99d8dc6fd235f8111c5c641e149a065.zip FreeBSD-src-670683fcb99d8dc6fd235f8111c5c641e149a065.tar.gz | |
Don't allow pointer underrun in loop.
Spotted by: John W. DeBoskey <jwd@unx.sas.com>
| -rw-r--r-- | usr.bin/make/parse.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/usr.bin/make/parse.c b/usr.bin/make/parse.c index 388fa07..fda738a 100644 --- a/usr.bin/make/parse.c +++ b/usr.bin/make/parse.c @@ -41,7 +41,7 @@ static char sccsid[] = "@(#)parse.c 8.3 (Berkeley) 3/19/94"; #endif static const char rcsid[] = - "$Id: parse.c,v 1.18 1997/07/24 06:58:08 charnier Exp $"; + "$Id: parse.c,v 1.19 1998/05/25 03:28:37 steve Exp $"; #endif /* not lint */ /*- @@ -1412,8 +1412,10 @@ Parse_DoVar (line, ctxt) default: #ifdef SUNSHCMD while (*opc != ':') - if (--opc < line) + if (opc == line) break; + else + --opc; if (strncmp(opc, ":sh", 3) == 0) { type = VAR_SHELL; |
