diff options
Diffstat (limited to 'inet')
-rw-r--r-- | inet/getnetgrent.c | 18 | ||||
-rw-r--r-- | inet/rcmd.c | 20 | ||||
-rw-r--r-- | inet/rexec.c | 14 |
3 files changed, 26 insertions, 26 deletions
diff --git a/inet/getnetgrent.c b/inet/getnetgrent.c index d464c10cde..07634daef2 100644 --- a/inet/getnetgrent.c +++ b/inet/getnetgrent.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1996, 1997, 2000 Free Software Foundation, Inc. +/* Copyright (C) 1996, 1997, 2000, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -21,8 +21,8 @@ #include <stdlib.h> #include <bits/libc-lock.h> -/* Statis buffer for return value. We allocate it when needed. */ -static char *buffer; +/* Static buffer for return value. We allocate it when needed. */ +libc_freeres_ptr (static char *buffer); /* All three strings should fit in a block of 1kB size. */ #define BUFSIZE 1024 @@ -48,15 +48,3 @@ getnetgrent (char **hostp, char **userp, char **domainp) return __getnetgrent_r (hostp, userp, domainp, buffer, BUFSIZE); } - - -/* Make sure the memory is freed if the programs ends while in - memory-debugging mode and something actually was allocated. */ -static void -__attribute__ ((unused)) -free_mem (void) -{ - free (buffer); -} - -text_set_element (__libc_subfreeres, free_mem); diff --git a/inet/rcmd.c b/inet/rcmd.c index 08d9337431..eed5ed389e 100644 --- a/inet/rcmd.c +++ b/inet/rcmd.c @@ -101,7 +101,7 @@ int iruserok (u_int32_t raddr, int superuser, const char *ruser, libc_hidden_proto (iruserok_af) -static char ahostbuf[NI_MAXHOST]; +libc_freeres_ptr(static char *ahostbuf); int rcmd_af(ahost, rport, locuser, remuser, cmd, fd2p, af) @@ -153,11 +153,21 @@ rcmd_af(ahost, rport, locuser, remuser, cmd, fd2p, af) pfd[1].events = POLLIN; if (res->ai_canonname){ - strncpy(ahostbuf, res->ai_canonname, sizeof(ahostbuf)); - ahostbuf[sizeof(ahostbuf)-1] = '\0'; + free (ahostbuf); + ahostbuf = strdup (res->ai_canonname); + if (ahostbuf == NULL) { +#ifdef USE_IN_LIBIO + if (_IO_fwide (stderr, 0) > 0) + __fwprintf(stderr, L"%s", + _("rcmd: Cannot allocate memory\n")); + else +#endif + fputs(_("rcmd: Cannot allocate memory\n"), + stderr); + return (-1); + } *ahost = ahostbuf; - } - else + } else *ahost = NULL; ai = res; refused = 0; diff --git a/inet/rexec.c b/inet/rexec.c index 8f6190a834..c6b432a6f8 100644 --- a/inet/rexec.c +++ b/inet/rexec.c @@ -45,7 +45,7 @@ static char sccsid[] = "@(#)rexec.c 8.1 (Berkeley) 6/4/93"; #include <unistd.h> int rexecoptions; -static char ahostbuf[NI_MAXHOST]; +libc_freeres_ptr (static char *ahostbuf); int rexec_af(ahost, rport, name, pass, cmd, fd2p, af) @@ -79,13 +79,15 @@ rexec_af(ahost, rport, name, pass, cmd, fd2p, af) } if (res0->ai_canonname){ - strncpy(ahostbuf, res0->ai_canonname, sizeof(ahostbuf)); - ahostbuf[sizeof(ahostbuf)-1] = '\0'; + free (ahostbuf); + ahostbuf = strdup (res0->ai_canonname); + if (ahostbuf == NULL) { + perror ("rexec: strdup"); + return (-1); + } *ahost = ahostbuf; - } - else{ + } else *ahost = NULL; - } ruserpass(res0->ai_canonname, &name, &pass); retry: s = __socket(res0->ai_family, res0->ai_socktype, 0); |