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Partly back out previous - do not free the linebuffer while still having

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pointers into parts of it. Add a comment explaining why we prefer to
leak memory ;-)
Fixes PR bin/30174.
This commit is contained in:
martin 2005-05-10 06:49:10 +00:00
parent b2536b11a5
commit 7b4b4385c1
1 changed files with 13 additions and 3 deletions
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16
sbin/pppoectl/pppoectl.c
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@ -1,4 +1,4 @@
/* $NetBSD: pppoectl.c,v 1.18 2005/02/19 20:50:26 christos Exp $ */ /* $NetBSD: pppoectl.c,v 1.19 2005/05/10 06:49:10 martin Exp $ */
/* /*
* Copyright (c) 1997 Joerg Wunsch * Copyright (c) 1997 Joerg Wunsch
@ -31,7 +31,7 @@
#include <sys/cdefs.h> #include <sys/cdefs.h>
#ifndef lint #ifndef lint
__RCSID("$NetBSD: pppoectl.c,v 1.18 2005/02/19 20:50:26 christos Exp $"); __RCSID("$NetBSD: pppoectl.c,v 1.19 2005/05/10 06:49:10 martin Exp $");
#endif #endif
@ -300,7 +300,17 @@ main(int argc, char **argv)
FPARSELN_UNESCALL)) != NULL) { FPARSELN_UNESCALL)) != NULL) {
if (line[0] != '\0') if (line[0] != '\0')
pppoectl_argument(line); pppoectl_argument(line);
free(line); /*
* We do not free(line) here, because we
* still have references to parts of the
* string collected in the various ioctl
* argument structures (and need those).
* Yes, this is a memory leak.
* We could copy the partial strings instead,
* and free those later - but this is a one-shot
* program and memory will be freed at process
* exit time anyway.
*/
} }