libbsd/src/progname.c
Robert Millan 1d87476250 Duplicate setprogname argument
For some reason, accessing the argv vector directly may cause SIGSEV.
2008-05-06 08:55:56 +03:00

43 lines
1.2 KiB
C

/* Copyright (C) 2006 Robert Millan
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
/*
Rejected in glibc (http://sourceware.org/ml/libc-alpha/2006-03/msg00125.html)
*/
#include <bsd/stdlib.h> /* progname, strdup */
#include <string.h> /* free */
char *__progname = NULL;
char *
getprogname ()
{
return __progname;
}
void
setprogname (char *new)
{
/* For some reason, accessing the argv vector directly may cause SIGSEV. Let's copy it to avoid trouble. */
if (__progname != NULL)
free (__progname);
__progname = strdup (new);
}