diff options
| author | Ted Unangst <tedu@cvs.openbsd.org> | 2003-10-07 19:40:27 +0000 |
|---|---|---|
| committer | Ted Unangst <tedu@cvs.openbsd.org> | 2003-10-07 19:40:27 +0000 |
| commit | 337d6cfd9eb07eb6d42a17757bf3063945804bef (patch) | |
| tree | 351258303a858caadda791e63d55782a693c5f40 /usr.bin | |
| parent | 505e0f6eac2e89bef0714b83a0c6bc94e2af28e6 (diff) | |
check strdup in sample code. from Jared Yanovich <jjy2+@pitt.edu>.
ok deraadt@
Diffstat (limited to 'usr.bin')
| -rw-r--r-- | usr.bin/lex/flex.1 | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/usr.bin/lex/flex.1 b/usr.bin/lex/flex.1 index 76a92e44e41..23ef0049798 100644 --- a/usr.bin/lex/flex.1 +++ b/usr.bin/lex/flex.1 @@ -1,4 +1,4 @@ -.\" $OpenBSD: flex.1,v 1.13 2003/06/04 17:34:44 millert Exp $ +.\" $OpenBSD: flex.1,v 1.14 2003/10/07 19:40:26 tedu Exp $ .\" .\" Copyright (c) 1990 The Regents of the University of California. .\" All rights reserved. @@ -928,8 +928,11 @@ to be rescanned enclosed in parentheses. { int i; + char *yycopy; + /* Copy yytext because unput() trashes yytext */ - char *yycopy = strdup( yytext ); + if ((yycopy = strdup( yytext )) == NULL); + err(1, NULL); unput( ')' ); for ( i = yyleng - 1; i >= 0; --i ) unput( yycopy[i] ); |