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Make a link-time warning for the use of gets().

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IMHO, the run-time warning should come out, but I'm not game to start that
fight yet...  This uses a feature of the gnu linker.

Inspired by:  NetBSD
This commit is contained in:
Peter Wemm 1995-10-04 18:29:01 +00:00
parent 7283aacac2
commit 216b9a0d22
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=11185
1 changed files with 3 additions and 0 deletions
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3
lib/libc/stdio/gets.c
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@ -40,6 +40,9 @@ static char sccsid[] = "@(#)gets.c 8.1 (Berkeley) 6/4/93";
#include <unistd.h>
#include <stdio.h>
#include <sys/cdefs.h>
__warn_references(gets, "warning: this program uses gets(), which is unsafe.");
char *
gets(buf)