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-rw-r--r--libmudflap/mf-hooks2.c2156
1 files changed, 2156 insertions, 0 deletions
diff --git a/libmudflap/mf-hooks2.c b/libmudflap/mf-hooks2.c
new file mode 100644
index 000000000..5649e1c58
--- /dev/null
+++ b/libmudflap/mf-hooks2.c
@@ -0,0 +1,2156 @@
+/* Mudflap: narrow-pointer bounds-checking by tree rewriting.
+ Copyright (C) 2002, 2003, 2004, 2009 Free Software Foundation, Inc.
+ Contributed by Frank Ch. Eigler <fche@redhat.com>
+ and Graydon Hoare <graydon@redhat.com>
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC 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 General Public License
+for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "config.h"
+
+#ifndef HAVE_SOCKLEN_T
+#define socklen_t int
+#endif
+
+/* These attempt to coax various unix flavours to declare all our
+ needed tidbits in the system headers. */
+#if !defined(__FreeBSD__) && !defined(__APPLE__)
+#define _POSIX_SOURCE
+#endif /* Some BSDs break <sys/socket.h> if this is defined. */
+#define _GNU_SOURCE
+#define _XOPEN_SOURCE
+#define _BSD_TYPES
+#define __EXTENSIONS__
+#define _ALL_SOURCE
+#define _LARGE_FILE_API
+#define _LARGEFILE64_SOURCE
+#define _XOPEN_SOURCE_EXTENDED 1
+
+#include <string.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <assert.h>
+#include <errno.h>
+#include <limits.h>
+#include <time.h>
+#include <ctype.h>
+#ifdef HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+#ifdef HAVE_DIRENT_H
+#include <dirent.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_SYS_WAIT_H
+#include <sys/wait.h>
+#endif
+#ifdef HAVE_SYS_IPC_H
+#include <sys/ipc.h>
+#endif
+#ifdef HAVE_SYS_SEM_H
+#include <sys/sem.h>
+#endif
+#ifdef HAVE_SYS_SHM_H
+#include <sys/shm.h>
+#endif
+#ifdef HAVE_PWD_H
+#include <pwd.h>
+#endif
+#ifdef HAVE_GRP_H
+#include <grp.h>
+#endif
+#ifdef HAVE_MNTENT_H
+#include <mntent.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+
+#include "mf-runtime.h"
+#include "mf-impl.h"
+
+#ifdef _MUDFLAP
+#error "Do not compile this file with -fmudflap!"
+#endif
+
+
+/* A bunch of independent stdlib/unistd hook functions, all
+ intercepted by mf-runtime.h macros. */
+
+#ifndef HAVE_STRNLEN
+static inline size_t (strnlen) (const char* str, size_t n)
+{
+ const char *s;
+
+ for (s = str; n && *s; ++s, --n)
+ ;
+ return (s - str);
+}
+#endif
+
+
+/* str*,mem*,b* */
+
+WRAPPER2(void *, memcpy, void *dest, const void *src, size_t n)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(src, n, __MF_CHECK_READ, "memcpy source");
+ MF_VALIDATE_EXTENT(dest, n, __MF_CHECK_WRITE, "memcpy dest");
+ return memcpy (dest, src, n);
+}
+
+
+WRAPPER2(void *, memmove, void *dest, const void *src, size_t n)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(src, n, __MF_CHECK_READ, "memmove src");
+ MF_VALIDATE_EXTENT(dest, n, __MF_CHECK_WRITE, "memmove dest");
+ return memmove (dest, src, n);
+}
+
+
+WRAPPER2(void *, memset, void *s, int c, size_t n)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(s, n, __MF_CHECK_WRITE, "memset dest");
+ return memset (s, c, n);
+}
+
+
+WRAPPER2(int, memcmp, const void *s1, const void *s2, size_t n)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(s1, n, __MF_CHECK_READ, "memcmp 1st arg");
+ MF_VALIDATE_EXTENT(s2, n, __MF_CHECK_READ, "memcmp 2nd arg");
+ return memcmp (s1, s2, n);
+}
+
+
+WRAPPER2(void *, memchr, const void *s, int c, size_t n)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(s, n, __MF_CHECK_READ, "memchr region");
+ return memchr (s, c, n);
+}
+
+
+#ifdef HAVE_MEMRCHR
+WRAPPER2(void *, memrchr, const void *s, int c, size_t n)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(s, n, __MF_CHECK_READ, "memrchr region");
+ return memrchr (s, c, n);
+}
+#endif
+
+
+WRAPPER2(char *, strcpy, char *dest, const char *src)
+{
+ /* nb: just because strlen(src) == n doesn't mean (src + n) or (src + n +
+ 1) are valid pointers. the allocated object might have size < n.
+ check anyways. */
+
+ size_t n = strlen (src);
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(src, CLAMPADD(n, 1), __MF_CHECK_READ, "strcpy src");
+ MF_VALIDATE_EXTENT(dest, CLAMPADD(n, 1), __MF_CHECK_WRITE, "strcpy dest");
+ return strcpy (dest, src);
+}
+
+
+#ifdef HAVE_STRNCPY
+WRAPPER2(char *, strncpy, char *dest, const char *src, size_t n)
+{
+ size_t len = strnlen (src, n);
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(src, len, __MF_CHECK_READ, "strncpy src");
+ MF_VALIDATE_EXTENT(dest, len, __MF_CHECK_WRITE, "strncpy dest"); /* nb: strNcpy */
+ return strncpy (dest, src, n);
+}
+#endif
+
+
+WRAPPER2(char *, strcat, char *dest, const char *src)
+{
+ size_t dest_sz;
+ size_t src_sz;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ dest_sz = strlen (dest);
+ src_sz = strlen (src);
+ MF_VALIDATE_EXTENT(src, CLAMPADD(src_sz, 1), __MF_CHECK_READ, "strcat src");
+ MF_VALIDATE_EXTENT(dest, CLAMPADD(dest_sz, CLAMPADD(src_sz, 1)),
+ __MF_CHECK_WRITE, "strcat dest");
+ return strcat (dest, src);
+}
+
+
+WRAPPER2(char *, strncat, char *dest, const char *src, size_t n)
+{
+
+ /* nb: validating the extents (s,n) might be a mistake for two reasons.
+
+ (1) the string s might be shorter than n chars, and n is just a
+ poor choice by the programmer. this is not a "true" error in the
+ sense that the call to strncat would still be ok.
+
+ (2) we could try to compensate for case (1) by calling strlen(s) and
+ using that as a bound for the extent to verify, but strlen might fall off
+ the end of a non-terminated string, leading to a false positive.
+
+ so we will call strnlen(s,n) and use that as a bound.
+
+ if strnlen returns a length beyond the end of the registered extent
+ associated with s, there is an error: the programmer's estimate for n is
+ too large _AND_ the string s is unterminated, in which case they'd be
+ about to touch memory they don't own while calling strncat.
+
+ this same logic applies to further uses of strnlen later down in this
+ file. */
+
+ size_t src_sz;
+ size_t dest_sz;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ src_sz = strnlen (src, n);
+ dest_sz = strnlen (dest, n);
+ MF_VALIDATE_EXTENT(src, src_sz, __MF_CHECK_READ, "strncat src");
+ MF_VALIDATE_EXTENT(dest, (CLAMPADD(dest_sz, CLAMPADD(src_sz, 1))),
+ __MF_CHECK_WRITE, "strncat dest");
+ return strncat (dest, src, n);
+}
+
+
+WRAPPER2(int, strcmp, const char *s1, const char *s2)
+{
+ size_t s1_sz;
+ size_t s2_sz;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ s1_sz = strlen (s1);
+ s2_sz = strlen (s2);
+ MF_VALIDATE_EXTENT(s1, CLAMPADD(s1_sz, 1), __MF_CHECK_READ, "strcmp 1st arg");
+ MF_VALIDATE_EXTENT(s2, CLAMPADD(s2_sz, 1), __MF_CHECK_WRITE, "strcmp 2nd arg");
+ return strcmp (s1, s2);
+}
+
+
+WRAPPER2(int, strcasecmp, const char *s1, const char *s2)
+{
+ size_t s1_sz;
+ size_t s2_sz;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ s1_sz = strlen (s1);
+ s2_sz = strlen (s2);
+ MF_VALIDATE_EXTENT(s1, CLAMPADD(s1_sz, 1), __MF_CHECK_READ, "strcasecmp 1st arg");
+ MF_VALIDATE_EXTENT(s2, CLAMPADD(s2_sz, 1), __MF_CHECK_READ, "strcasecmp 2nd arg");
+ return strcasecmp (s1, s2);
+}
+
+
+WRAPPER2(int, strncmp, const char *s1, const char *s2, size_t n)
+{
+ size_t s1_sz;
+ size_t s2_sz;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ s1_sz = strnlen (s1, n);
+ s2_sz = strnlen (s2, n);
+ MF_VALIDATE_EXTENT(s1, s1_sz, __MF_CHECK_READ, "strncmp 1st arg");
+ MF_VALIDATE_EXTENT(s2, s2_sz, __MF_CHECK_READ, "strncmp 2nd arg");
+ return strncmp (s1, s2, n);
+}
+
+
+WRAPPER2(int, strncasecmp, const char *s1, const char *s2, size_t n)
+{
+ size_t s1_sz;
+ size_t s2_sz;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ s1_sz = strnlen (s1, n);
+ s2_sz = strnlen (s2, n);
+ MF_VALIDATE_EXTENT(s1, s1_sz, __MF_CHECK_READ, "strncasecmp 1st arg");
+ MF_VALIDATE_EXTENT(s2, s2_sz, __MF_CHECK_READ, "strncasecmp 2nd arg");
+ return strncasecmp (s1, s2, n);
+}
+
+
+WRAPPER2(char *, strdup, const char *s)
+{
+ DECLARE(void *, malloc, size_t sz);
+ char *result;
+ size_t n = strlen (s);
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(s, CLAMPADD(n,1), __MF_CHECK_READ, "strdup region");
+ result = (char *)CALL_REAL(malloc,
+ CLAMPADD(CLAMPADD(n,1),
+ CLAMPADD(__mf_opts.crumple_zone,
+ __mf_opts.crumple_zone)));
+
+ if (UNLIKELY(! result)) return result;
+
+ result += __mf_opts.crumple_zone;
+ memcpy (result, s, n);
+ result[n] = '\0';
+
+ __mf_register (result, CLAMPADD(n,1), __MF_TYPE_HEAP_I, "strdup region");
+ return result;
+}
+
+
+WRAPPER2(char *, strndup, const char *s, size_t n)
+{
+ DECLARE(void *, malloc, size_t sz);
+ char *result;
+ size_t sz = strnlen (s, n);
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(s, sz, __MF_CHECK_READ, "strndup region"); /* nb: strNdup */
+
+ /* note: strndup still adds a \0, even with the N limit! */
+ result = (char *)CALL_REAL(malloc,
+ CLAMPADD(CLAMPADD(n,1),
+ CLAMPADD(__mf_opts.crumple_zone,
+ __mf_opts.crumple_zone)));
+
+ if (UNLIKELY(! result)) return result;
+
+ result += __mf_opts.crumple_zone;
+ memcpy (result, s, n);
+ result[n] = '\0';
+
+ __mf_register (result, CLAMPADD(n,1), __MF_TYPE_HEAP_I, "strndup region");
+ return result;
+}
+
+
+WRAPPER2(char *, strchr, const char *s, int c)
+{
+ size_t n;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ n = strlen (s);
+ MF_VALIDATE_EXTENT(s, CLAMPADD(n,1), __MF_CHECK_READ, "strchr region");
+ return strchr (s, c);
+}
+
+
+WRAPPER2(char *, strrchr, const char *s, int c)
+{
+ size_t n;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ n = strlen (s);
+ MF_VALIDATE_EXTENT(s, CLAMPADD(n,1), __MF_CHECK_READ, "strrchr region");
+ return strrchr (s, c);
+}
+
+
+WRAPPER2(char *, strstr, const char *haystack, const char *needle)
+{
+ size_t haystack_sz;
+ size_t needle_sz;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ haystack_sz = strlen (haystack);
+ needle_sz = strlen (needle);
+ MF_VALIDATE_EXTENT(haystack, CLAMPADD(haystack_sz, 1), __MF_CHECK_READ, "strstr haystack");
+ MF_VALIDATE_EXTENT(needle, CLAMPADD(needle_sz, 1), __MF_CHECK_READ, "strstr needle");
+ return strstr (haystack, needle);
+}
+
+
+#ifdef HAVE_MEMMEM
+WRAPPER2(void *, memmem,
+ const void *haystack, size_t haystacklen,
+ const void *needle, size_t needlelen)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(haystack, haystacklen, __MF_CHECK_READ, "memmem haystack");
+ MF_VALIDATE_EXTENT(needle, needlelen, __MF_CHECK_READ, "memmem needle");
+ return memmem (haystack, haystacklen, needle, needlelen);
+}
+#endif
+
+
+WRAPPER2(size_t, strlen, const char *s)
+{
+ size_t result = strlen (s);
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(s, CLAMPADD(result, 1), __MF_CHECK_READ, "strlen region");
+ return result;
+}
+
+
+WRAPPER2(size_t, strnlen, const char *s, size_t n)
+{
+ size_t result = strnlen (s, n);
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(s, result, __MF_CHECK_READ, "strnlen region");
+ return result;
+}
+
+
+WRAPPER2(void, bzero, void *s, size_t n)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(s, n, __MF_CHECK_WRITE, "bzero region");
+ bzero (s, n);
+}
+
+
+#undef bcopy
+WRAPPER2(void, bcopy, const void *src, void *dest, size_t n)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(src, n, __MF_CHECK_READ, "bcopy src");
+ MF_VALIDATE_EXTENT(dest, n, __MF_CHECK_WRITE, "bcopy dest");
+ bcopy (src, dest, n);
+}
+
+
+#undef bcmp
+WRAPPER2(int, bcmp, const void *s1, const void *s2, size_t n)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(s1, n, __MF_CHECK_READ, "bcmp 1st arg");
+ MF_VALIDATE_EXTENT(s2, n, __MF_CHECK_READ, "bcmp 2nd arg");
+ return bcmp (s1, s2, n);
+}
+
+
+WRAPPER2(char *, index, const char *s, int c)
+{
+ size_t n = strlen (s);
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(s, CLAMPADD(n, 1), __MF_CHECK_READ, "index region");
+ return index (s, c);
+}
+
+
+WRAPPER2(char *, rindex, const char *s, int c)
+{
+ size_t n = strlen (s);
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(s, CLAMPADD(n, 1), __MF_CHECK_READ, "rindex region");
+ return rindex (s, c);
+}
+
+/* XXX: stpcpy, memccpy */
+
+/* XXX: *printf,*scanf */
+
+/* XXX: setjmp, longjmp */
+
+WRAPPER2(char *, asctime, struct tm *tm)
+{
+ static char *reg_result = NULL;
+ char *result;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(tm, sizeof (struct tm), __MF_CHECK_READ, "asctime tm");
+ result = asctime (tm);
+ if (reg_result == NULL)
+ {
+ __mf_register (result, strlen (result)+1, __MF_TYPE_STATIC, "asctime string");
+ reg_result = result;
+ }
+ return result;
+}
+
+
+WRAPPER2(char *, ctime, const time_t *timep)
+{
+ static char *reg_result = NULL;
+ char *result;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(timep, sizeof (time_t), __MF_CHECK_READ, "ctime time");
+ result = ctime (timep);
+ if (reg_result == NULL)
+ {
+ /* XXX: what if asctime and ctime return the same static ptr? */
+ __mf_register (result, strlen (result)+1, __MF_TYPE_STATIC, "ctime string");
+ reg_result = result;
+ }
+ return result;
+}
+
+
+WRAPPER2(struct tm*, localtime, const time_t *timep)
+{
+ static struct tm *reg_result = NULL;
+ struct tm *result;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(timep, sizeof (time_t), __MF_CHECK_READ, "localtime time");
+ result = localtime (timep);
+ if (reg_result == NULL)
+ {
+ __mf_register (result, sizeof (struct tm), __MF_TYPE_STATIC, "localtime tm");
+ reg_result = result;
+ }
+ return result;
+}
+
+
+WRAPPER2(struct tm*, gmtime, const time_t *timep)
+{
+ static struct tm *reg_result = NULL;
+ struct tm *result;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT(timep, sizeof (time_t), __MF_CHECK_READ, "gmtime time");
+ result = gmtime (timep);
+ if (reg_result == NULL)
+ {
+ __mf_register (result, sizeof (struct tm), __MF_TYPE_STATIC, "gmtime tm");
+ reg_result = result;
+ }
+ return result;
+}
+
+
+/* EL start */
+
+/* The following indicate if the result of the corresponding function
+ * should be explicitly un/registered by the wrapper
+*/
+
+#ifdef __FreeBSD__
+#define MF_REGISTER_fopen __MF_TYPE_STATIC
+#else
+#undef MF_REGISTER_fopen
+#endif
+#define MF_RESULT_SIZE_fopen (sizeof (FILE))
+
+#undef MF_REGISTER_opendir
+#define MF_RESULT_SIZE_opendir 0 /* (sizeof (DIR)) */
+#undef MF_REGISTER_readdir
+#define MF_REGISTER_gethostbyname __MF_TYPE_STATIC
+#undef MF_REGISTER_gethostbyname_items
+#undef MF_REGISTER_dlopen
+#undef MF_REGISTER_dlerror
+#undef MF_REGISTER_dlsym
+#define MF_REGISTER_shmat __MF_TYPE_GUESS
+
+
+#include <time.h>
+WRAPPER2(time_t, time, time_t *timep)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ if (NULL != timep)
+ MF_VALIDATE_EXTENT (timep, sizeof (*timep), __MF_CHECK_WRITE,
+ "time timep");
+ return time (timep);
+}
+
+
+WRAPPER2(char *, strerror, int errnum)
+{
+ char *p;
+ static char * last_strerror = NULL;
+
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ p = strerror (errnum);
+ if (last_strerror != NULL)
+ __mf_unregister (last_strerror, 0, __MF_TYPE_STATIC);
+ if (NULL != p)
+ __mf_register (p, strlen (p) + 1, __MF_TYPE_STATIC, "strerror result");
+ last_strerror = p;
+ return p;
+}
+
+
+
+/* An auxiliary data structure for tracking the hand-made stdio
+ buffers we generate during the fopen/fopen64 hooks. In a civilized
+ language, this would be a simple dynamically sized FILE*->char*
+ lookup table, but this is C and we get to do it by hand. */
+struct mf_filebuffer
+{
+ FILE *file;
+ char *buffer;
+ struct mf_filebuffer *next;
+};
+static struct mf_filebuffer *mf_filebuffers = NULL;
+
+static void
+mkbuffer (FILE *f)
+{
+ /* Reset any buffer automatically provided by libc, since this may
+ have been done via mechanisms that libmudflap couldn't
+ intercept. */
+ int rc;
+ size_t bufsize = BUFSIZ;
+ int bufmode;
+ char *buffer = malloc (bufsize);
+ struct mf_filebuffer *b = malloc (sizeof (struct mf_filebuffer));
+ assert ((buffer != NULL) && (b != NULL));
+
+ /* Link it into list. */
+ b->file = f;
+ b->buffer = buffer;
+ b->next = mf_filebuffers;
+ mf_filebuffers = b;
+
+ /* Determine how the file is supposed to be buffered at the moment. */
+ bufmode = fileno (f) == 2 ? _IONBF : (isatty (fileno (f)) ? _IOLBF : _IOFBF);
+
+ rc = setvbuf (f, buffer, bufmode, bufsize);
+ assert (rc == 0);
+}
+
+static void
+unmkbuffer (FILE *f)
+{
+ struct mf_filebuffer *b = mf_filebuffers;
+ struct mf_filebuffer **pb = & mf_filebuffers;
+ while (b != NULL)
+ {
+ if (b->file == f)
+ {
+ *pb = b->next;
+ free (b->buffer);
+ free (b);
+ return;
+ }
+ pb = & b->next;
+ b = b->next;
+ }
+}
+
+
+
+WRAPPER2(FILE *, fopen, const char *path, const char *mode)
+{
+ size_t n;
+ FILE *p;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+
+ n = strlen (path);
+ MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "fopen path");
+
+ n = strlen (mode);
+ MF_VALIDATE_EXTENT (mode, CLAMPADD(n, 1), __MF_CHECK_READ, "fopen mode");
+
+ p = fopen (path, mode);
+ if (NULL != p) {
+#ifdef MF_REGISTER_fopen
+ __mf_register (p, sizeof (*p), MF_REGISTER_fopen, "fopen result");
+#endif
+ MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_WRITE, "fopen result");
+
+ mkbuffer (p);
+ }
+
+ return p;
+}
+
+
+WRAPPER2(int, setvbuf, FILE *stream, char *buf, int mode, size_t size)
+{
+ int rc = 0;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, "setvbuf stream");
+
+ unmkbuffer (stream);
+
+ if (buf != NULL)
+ MF_VALIDATE_EXTENT (buf, size, __MF_CHECK_WRITE, "setvbuf buffer");
+
+ /* Override the user only if it's an auto-allocated buffer request. Otherwise
+ assume that the supplied buffer is already known to libmudflap. */
+ if ((buf == NULL) && ((mode == _IOFBF) || (mode == _IOLBF)))
+ mkbuffer (stream);
+ else
+ rc = setvbuf (stream, buf, mode, size);
+
+ return rc;
+}
+
+
+#ifdef HAVE_SETBUF
+WRAPPER2(int, setbuf, FILE* stream, char *buf)
+{
+ return __mfwrap_setvbuf (stream, buf, buf ? _IOFBF : _IONBF, BUFSIZ);
+}
+#endif
+
+#ifdef HAVE_SETBUFFER
+WRAPPER2(int, setbuffer, FILE* stream, char *buf, size_t sz)
+{
+ return __mfwrap_setvbuf (stream, buf, buf ? _IOFBF : _IONBF, sz);
+}
+#endif
+
+#ifdef HAVE_SETLINEBUF
+WRAPPER2(int, setlinebuf, FILE* stream)
+{
+ return __mfwrap_setvbuf(stream, NULL, _IOLBF, 0);
+}
+#endif
+
+
+
+WRAPPER2(FILE *, fdopen, int fd, const char *mode)
+{
+ size_t n;
+ FILE *p;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+
+ n = strlen (mode);
+ MF_VALIDATE_EXTENT (mode, CLAMPADD(n, 1), __MF_CHECK_READ, "fdopen mode");
+
+ p = fdopen (fd, mode);
+ if (NULL != p) {
+#ifdef MF_REGISTER_fopen
+ __mf_register (p, sizeof (*p), MF_REGISTER_fopen, "fdopen result");
+#endif
+ MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_WRITE, "fdopen result");
+
+ mkbuffer (p);
+ }
+
+ return p;
+}
+
+
+WRAPPER2(FILE *, freopen, const char *path, const char *mode, FILE *s)
+{
+ size_t n;
+ FILE *p;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+
+ n = strlen (path);
+ MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "freopen path");
+
+ MF_VALIDATE_EXTENT (s, (sizeof (*s)), __MF_CHECK_WRITE, "freopen stream");
+ unmkbuffer (s);
+
+ n = strlen (mode);
+ MF_VALIDATE_EXTENT (mode, CLAMPADD(n, 1), __MF_CHECK_READ, "freopen mode");
+
+ p = freopen (path, mode, s);
+ if (NULL != p) {
+#ifdef MF_REGISTER_fopen
+ __mf_register (p, sizeof (*p), MF_REGISTER_fopen, "freopen result");
+#endif
+ MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_WRITE, "freopen result");
+
+ mkbuffer (p);
+ }
+
+ return p;
+}
+
+
+#ifdef HAVE_FOPEN64
+WRAPPER2(FILE *, fopen64, const char *path, const char *mode)
+{
+ size_t n;
+ FILE *p;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+
+ n = strlen (path);
+ MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "fopen64 path");
+
+ n = strlen (mode);
+ MF_VALIDATE_EXTENT (mode, CLAMPADD(n, 1), __MF_CHECK_READ, "fopen64 mode");
+
+ p = fopen64 (path, mode);
+ if (NULL != p) {
+#ifdef MF_REGISTER_fopen
+ __mf_register (p, sizeof (*p), MF_REGISTER_fopen, "fopen64 result");
+#endif
+ MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_WRITE, "fopen64 result");
+
+ mkbuffer (p);
+ }
+
+ return p;
+}
+#endif
+
+
+#ifdef HAVE_FREOPEN64
+WRAPPER2(FILE *, freopen64, const char *path, const char *mode, FILE *s)
+{
+ size_t n;
+ FILE *p;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+
+ n = strlen (path);
+ MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "freopen64 path");
+
+ MF_VALIDATE_EXTENT (s, (sizeof (*s)), __MF_CHECK_WRITE, "freopen64 stream");
+ unmkbuffer (s);
+
+ n = strlen (mode);
+ MF_VALIDATE_EXTENT (mode, CLAMPADD(n, 1), __MF_CHECK_READ, "freopen64 mode");
+
+ p = freopen (path, mode, s);
+ if (NULL != p) {
+#ifdef MF_REGISTER_fopen
+ __mf_register (p, sizeof (*p), MF_REGISTER_fopen, "freopen64 result");
+#endif
+ MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_WRITE, "freopen64 result");
+
+ mkbuffer (p);
+ }
+
+ return p;
+}
+#endif
+
+
+WRAPPER2(int, fclose, FILE *stream)
+{
+ int resp;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "fclose stream");
+ resp = fclose (stream);
+#ifdef MF_REGISTER_fopen
+ __mf_unregister (stream, sizeof (*stream), MF_REGISTER_fopen);
+#endif
+ unmkbuffer (stream);
+
+ return resp;
+}
+
+
+WRAPPER2(size_t, fread, void *ptr, size_t size, size_t nmemb, FILE *stream)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "fread stream");
+ MF_VALIDATE_EXTENT (ptr, size * nmemb, __MF_CHECK_WRITE, "fread buffer");
+ return fread (ptr, size, nmemb, stream);
+}
+
+
+WRAPPER2(size_t, fwrite, const void *ptr, size_t size, size_t nmemb,
+ FILE *stream)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "fwrite stream");
+ MF_VALIDATE_EXTENT (ptr, size * nmemb, __MF_CHECK_READ, "fwrite buffer");
+ return fwrite (ptr, size, nmemb, stream);
+}
+
+
+WRAPPER2(int, fgetc, FILE *stream)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "fgetc stream");
+ return fgetc (stream);
+}
+
+
+WRAPPER2(char *, fgets, char *s, int size, FILE *stream)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "fgets stream");
+ MF_VALIDATE_EXTENT (s, size, __MF_CHECK_WRITE, "fgets buffer");
+ return fgets (s, size, stream);
+}
+
+
+WRAPPER2(int, getc, FILE *stream)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "getc stream");
+ return getc (stream);
+}
+
+
+WRAPPER2(char *, gets, char *s)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (s, 1, __MF_CHECK_WRITE, "gets buffer");
+ /* Avoid link-time warning... */
+ s = fgets (s, INT_MAX, stdin);
+ if (NULL != s) { /* better late than never */
+ size_t n = strlen (s);
+ MF_VALIDATE_EXTENT (s, CLAMPADD(n, 1), __MF_CHECK_WRITE, "gets buffer");
+ }
+ return s;
+}
+
+
+WRAPPER2(int, ungetc, int c, FILE *stream)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "ungetc stream");
+ return ungetc (c, stream);
+}
+
+
+WRAPPER2(int, fputc, int c, FILE *stream)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "fputc stream");
+ return fputc (c, stream);
+}
+
+
+WRAPPER2(int, fputs, const char *s, FILE *stream)
+{
+ size_t n;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ n = strlen (s);
+ MF_VALIDATE_EXTENT (s, CLAMPADD(n, 1), __MF_CHECK_READ, "fputs buffer");
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "fputs stream");
+ return fputs (s, stream);
+}
+
+
+WRAPPER2(int, putc, int c, FILE *stream)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "putc stream");
+ return putc (c, stream);
+}
+
+
+WRAPPER2(int, puts, const char *s)
+{
+ size_t n;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ n = strlen (s);
+ MF_VALIDATE_EXTENT (s, CLAMPADD(n, 1), __MF_CHECK_READ, "puts buffer");
+ return puts (s);
+}
+
+
+WRAPPER2(void, clearerr, FILE *stream)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "clearerr stream");
+ clearerr (stream);
+}
+
+
+WRAPPER2(int, feof, FILE *stream)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "feof stream");
+ return feof (stream);
+}
+
+
+WRAPPER2(int, ferror, FILE *stream)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "ferror stream");
+ return ferror (stream);
+}
+
+
+WRAPPER2(int, fileno, FILE *stream)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "fileno stream");
+ return fileno (stream);
+}
+
+
+WRAPPER2(int, printf, const char *format, ...)
+{
+ size_t n;
+ va_list ap;
+ int result;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ n = strlen (format);
+ MF_VALIDATE_EXTENT (format, CLAMPADD(n, 1), __MF_CHECK_READ,
+ "printf format");
+ va_start (ap, format);
+ result = vprintf (format, ap);
+ va_end (ap);
+ return result;
+}
+
+
+WRAPPER2(int, fprintf, FILE *stream, const char *format, ...)
+{
+ size_t n;
+ va_list ap;
+ int result;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "fprintf stream");
+ n = strlen (format);
+ MF_VALIDATE_EXTENT (format, CLAMPADD(n, 1), __MF_CHECK_READ,
+ "fprintf format");
+ va_start (ap, format);
+ result = vfprintf (stream, format, ap);
+ va_end (ap);
+ return result;
+}
+
+
+WRAPPER2(int, sprintf, char *str, const char *format, ...)
+{
+ size_t n;
+ va_list ap;
+ int result;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (str, 1, __MF_CHECK_WRITE, "sprintf str");
+ n = strlen (format);
+ MF_VALIDATE_EXTENT (format, CLAMPADD(n, 1), __MF_CHECK_READ,
+ "sprintf format");
+ va_start (ap, format);
+ result = vsprintf (str, format, ap);
+ va_end (ap);
+ n = strlen (str);
+ MF_VALIDATE_EXTENT (str, CLAMPADD(n, 1), __MF_CHECK_WRITE, "sprintf str");
+ return result;
+}
+
+
+WRAPPER2(int, snprintf, char *str, size_t size, const char *format, ...)
+{
+ size_t n;
+ va_list ap;
+ int result;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (str, size, __MF_CHECK_WRITE, "snprintf str");
+ n = strlen (format);
+ MF_VALIDATE_EXTENT (format, CLAMPADD(n, 1), __MF_CHECK_READ,
+ "snprintf format");
+ va_start (ap, format);
+ result = vsnprintf (str, size, format, ap);
+ va_end (ap);
+ return result;
+}
+
+
+WRAPPER2(int, vprintf, const char *format, va_list ap)
+{
+ size_t n;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ n = strlen (format);
+ MF_VALIDATE_EXTENT (format, CLAMPADD(n, 1), __MF_CHECK_READ,
+ "vprintf format");
+ return vprintf (format, ap);
+}
+
+
+WRAPPER2(int, vfprintf, FILE *stream, const char *format, va_list ap)
+{
+ size_t n;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "vfprintf stream");
+ n = strlen (format);
+ MF_VALIDATE_EXTENT (format, CLAMPADD(n, 1), __MF_CHECK_READ,
+ "vfprintf format");
+ return vfprintf (stream, format, ap);
+}
+
+
+WRAPPER2(int, vsprintf, char *str, const char *format, va_list ap)
+{
+ size_t n;
+ int result;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (str, 1, __MF_CHECK_WRITE, "vsprintf str");
+ n = strlen (format);
+ MF_VALIDATE_EXTENT (format, CLAMPADD(n, 1), __MF_CHECK_READ,
+ "vsprintf format");
+ result = vsprintf (str, format, ap);
+ n = strlen (str);
+ MF_VALIDATE_EXTENT (str, CLAMPADD(n, 1), __MF_CHECK_WRITE, "vsprintf str");
+ return result;
+}
+
+
+WRAPPER2(int, vsnprintf, char *str, size_t size, const char *format,
+ va_list ap)
+{
+ size_t n;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (str, size, __MF_CHECK_WRITE, "vsnprintf str");
+ n = strlen (format);
+ MF_VALIDATE_EXTENT (format, CLAMPADD(n, 1), __MF_CHECK_READ,
+ "vsnprintf format");
+ return vsnprintf (str, size, format, ap);
+}
+
+
+WRAPPER2(int , access, const char *path, int mode)
+{
+ size_t n;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ n = strlen (path);
+ MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "access path");
+ return access (path, mode);
+}
+
+
+WRAPPER2(int , remove, const char *path)
+{
+ size_t n;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ n = strlen (path);
+ MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "remove path");
+ return remove (path);
+}
+
+
+WRAPPER2(int, fflush, FILE *stream)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ if (stream != NULL)
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "fflush stream");
+ return fflush (stream);
+}
+
+
+WRAPPER2(int, fseek, FILE *stream, long offset, int whence)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "fseek stream");
+ return fseek (stream, offset, whence);
+}
+
+
+#ifdef HAVE_FSEEKO64
+WRAPPER2(int, fseeko64, FILE *stream, off64_t offset, int whence)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "fseeko64 stream");
+ return fseeko64 (stream, offset, whence);
+}
+#endif
+
+
+WRAPPER2(long, ftell, FILE *stream)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "ftell stream");
+ return ftell (stream);
+}
+
+
+#ifdef HAVE_FTELLO64
+WRAPPER2(off64_t, ftello64, FILE *stream)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "ftello64 stream");
+ return ftello64 (stream);
+}
+#endif
+
+
+WRAPPER2(void, rewind, FILE *stream)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "rewind stream");
+ rewind (stream);
+}
+
+
+WRAPPER2(int, fgetpos, FILE *stream, fpos_t *pos)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "fgetpos stream");
+ MF_VALIDATE_EXTENT (pos, sizeof (*pos), __MF_CHECK_WRITE, "fgetpos pos");
+ return fgetpos (stream, pos);
+}
+
+
+WRAPPER2(int, fsetpos, FILE *stream, fpos_t *pos)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "fsetpos stream");
+ MF_VALIDATE_EXTENT (pos, sizeof (*pos), __MF_CHECK_READ, "fsetpos pos");
+ return fsetpos (stream, pos);
+}
+
+
+WRAPPER2(int , stat, const char *path, struct stat *buf)
+{
+ size_t n;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ n = strlen (path);
+ MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "stat path");
+ MF_VALIDATE_EXTENT (buf, sizeof (*buf), __MF_CHECK_READ, "stat buf");
+ return stat (path, buf);
+}
+
+
+#ifdef HAVE_STAT64
+WRAPPER2(int , stat64, const char *path, struct stat64 *buf)
+{
+ size_t n;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ n = strlen (path);
+ MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "stat64 path");
+ MF_VALIDATE_EXTENT (buf, sizeof (*buf), __MF_CHECK_READ, "stat64 buf");
+ return stat64 (path, buf);
+}
+#endif
+
+
+WRAPPER2(int , fstat, int filedes, struct stat *buf)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (buf, sizeof (*buf), __MF_CHECK_READ, "fstat buf");
+ return fstat (filedes, buf);
+}
+
+
+WRAPPER2(int , lstat, const char *path, struct stat *buf)
+{
+ size_t n;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ n = strlen (path);
+ MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "lstat path");
+ MF_VALIDATE_EXTENT (buf, sizeof (*buf), __MF_CHECK_READ, "lstat buf");
+ return lstat (path, buf);
+}
+
+
+WRAPPER2(int , mkfifo, const char *path, mode_t mode)
+{
+ size_t n;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ n = strlen (path);
+ MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "mkfifo path");
+ return mkfifo (path, mode);
+}
+
+
+#ifdef HAVE_DIRENT_H
+WRAPPER2(DIR *, opendir, const char *path)
+{
+ DIR *p;
+ size_t n;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ n = strlen (path);
+ MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "opendir path");
+
+ p = opendir (path);
+ if (NULL != p) {
+#ifdef MF_REGISTER_opendir
+ __mf_register (p, MF_RESULT_SIZE_opendir, MF_REGISTER_opendir,
+ "opendir result");
+#endif
+ MF_VALIDATE_EXTENT (p, MF_RESULT_SIZE_opendir, __MF_CHECK_WRITE,
+ "opendir result");
+ }
+ return p;
+}
+
+
+WRAPPER2(int, closedir, DIR *dir)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (dir, 0, __MF_CHECK_WRITE, "closedir dir");
+#ifdef MF_REGISTER_opendir
+ __mf_unregister (dir, MF_RESULT_SIZE_opendir, MF_REGISTER_opendir);
+#endif
+ return closedir (dir);
+}
+
+
+WRAPPER2(struct dirent *, readdir, DIR *dir)
+{
+ struct dirent *p;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (dir, 0, __MF_CHECK_READ, "readdir dir");
+ p = readdir (dir);
+ if (NULL != p) {
+#ifdef MF_REGISTER_readdir
+ __mf_register (p, sizeof (*p), MF_REGISTER_readdir, "readdir result");
+#endif
+ MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_WRITE, "readdir result");
+ }
+ return p;
+}
+#endif
+
+
+#ifdef HAVE_SYS_SOCKET_H
+
+WRAPPER2(int, recv, int s, void *buf, size_t len, int flags)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (buf, len, __MF_CHECK_WRITE, "recv buf");
+ return recv (s, buf, len, flags);
+}
+
+
+WRAPPER2(int, recvfrom, int s, void *buf, size_t len, int flags,
+ struct sockaddr *from, socklen_t *fromlen)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (buf, len, __MF_CHECK_WRITE, "recvfrom buf");
+ MF_VALIDATE_EXTENT (from, (size_t)*fromlen, __MF_CHECK_WRITE,
+ "recvfrom from");
+ return recvfrom (s, buf, len, flags, from, fromlen);
+}
+
+
+WRAPPER2(int, recvmsg, int s, struct msghdr *msg, int flags)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (msg, sizeof (*msg), __MF_CHECK_WRITE, "recvmsg msg");
+ return recvmsg (s, msg, flags);
+}
+
+
+WRAPPER2(int, send, int s, const void *msg, size_t len, int flags)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (msg, len, __MF_CHECK_READ, "send msg");
+ return send (s, msg, len, flags);
+}
+
+
+WRAPPER2(int, sendto, int s, const void *msg, size_t len, int flags,
+ const struct sockaddr *to, socklen_t tolen)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (msg, len, __MF_CHECK_READ, "sendto msg");
+ MF_VALIDATE_EXTENT (to, (size_t)tolen, __MF_CHECK_WRITE, "sendto to");
+ return sendto (s, msg, len, flags, to, tolen);
+}
+
+
+WRAPPER2(int, sendmsg, int s, const void *msg, int flags)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (msg, sizeof (*msg), __MF_CHECK_READ, "sendmsg msg");
+ return sendmsg (s, msg, flags);
+}
+
+
+WRAPPER2(int, setsockopt, int s, int level, int optname, const void *optval,
+ socklen_t optlen)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (optval, (size_t)optlen, __MF_CHECK_READ,
+ "setsockopt optval");
+ return setsockopt (s, level, optname, optval, optlen);
+}
+
+
+WRAPPER2(int, getsockopt, int s, int level, int optname, void *optval,
+ socklen_t *optlen)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (optval, (size_t)*optlen, __MF_CHECK_WRITE,
+ "getsockopt optval");
+ return getsockopt (s, level, optname, optval, optlen);
+}
+
+
+WRAPPER2(int, accept, int s, struct sockaddr *addr, socklen_t *addrlen)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ if (addr != NULL)
+ MF_VALIDATE_EXTENT (addr, (size_t)*addrlen, __MF_CHECK_WRITE, "accept addr");
+ return accept (s, addr, addrlen);
+}
+
+
+WRAPPER2(int, bind, int sockfd, struct sockaddr *addr, socklen_t addrlen)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (addr, (size_t)addrlen, __MF_CHECK_WRITE, "bind addr");
+ return bind (sockfd, addr, addrlen);
+}
+
+
+WRAPPER2(int, connect, int sockfd, const struct sockaddr *addr,
+ socklen_t addrlen)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (addr, (size_t)addrlen, __MF_CHECK_READ,
+ "connect addr");
+ return connect (sockfd, addr, addrlen);
+}
+
+#endif /* HAVE_SYS_SOCKET_H */
+
+
+WRAPPER2(int, gethostname, char *name, size_t len)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (name, len, __MF_CHECK_WRITE, "gethostname name");
+ return gethostname (name, len);
+}
+
+
+#ifdef HAVE_SETHOSTNAME
+WRAPPER2(int, sethostname, const char *name, size_t len)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (name, len, __MF_CHECK_READ, "sethostname name");
+ return sethostname (name, len);
+}
+#endif
+
+
+#ifdef HAVE_NETDB_H
+
+WRAPPER2(struct hostent *, gethostbyname, const char *name)
+{
+ struct hostent *p;
+ char **ss;
+ char *s;
+ size_t n;
+ int nreg;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ n = strlen (name);
+ MF_VALIDATE_EXTENT (name, CLAMPADD(n, 1), __MF_CHECK_READ,
+ "gethostbyname name");
+ p = gethostbyname (name);
+ if (NULL != p) {
+#ifdef MF_REGISTER_gethostbyname
+ __mf_register (p, sizeof (*p), MF_REGISTER_gethostbyname,
+ "gethostbyname result");
+#endif
+ MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_WRITE,
+ "gethostbyname result");
+ if (NULL != (s = p->h_name)) {
+ n = strlen (s);
+ n = CLAMPADD(n, 1);
+#ifdef MF_REGISTER_gethostbyname_items
+ __mf_register (s, n, MF_REGISTER_gethostbyname_items,
+ "gethostbyname result->h_name");
+#endif
+ MF_VALIDATE_EXTENT (s, n, __MF_CHECK_WRITE,
+ "gethostbyname result->h_name");
+ }
+
+ if (NULL != (ss = p->h_aliases)) {
+ for (nreg = 1;; ++nreg) {
+ s = *ss++;
+ if (NULL == s)
+ break;
+ n = strlen (s);
+ n = CLAMPADD(n, 1);
+#ifdef MF_REGISTER_gethostbyname_items
+ __mf_register (s, n, MF_REGISTER_gethostbyname_items,
+ "gethostbyname result->h_aliases[]");
+#endif
+ MF_VALIDATE_EXTENT (s, n, __MF_CHECK_WRITE,
+ "gethostbyname result->h_aliases[]");
+ }
+ nreg *= sizeof (*p->h_aliases);
+#ifdef MF_REGISTER_gethostbyname_items
+ __mf_register (p->h_aliases, nreg, MF_REGISTER_gethostbyname_items,
+ "gethostbyname result->h_aliases");
+#endif
+ MF_VALIDATE_EXTENT (p->h_aliases, nreg, __MF_CHECK_WRITE,
+ "gethostbyname result->h_aliases");
+ }
+
+ if (NULL != (ss = p->h_addr_list)) {
+ for (nreg = 1;; ++nreg) {
+ s = *ss++;
+ if (NULL == s)
+ break;
+#ifdef MF_REGISTER_gethostbyname_items
+ __mf_register (s, p->h_length, MF_REGISTER_gethostbyname_items,
+ "gethostbyname result->h_addr_list[]");
+#endif
+ MF_VALIDATE_EXTENT (s, p->h_length, __MF_CHECK_WRITE,
+ "gethostbyname result->h_addr_list[]");
+ }
+ nreg *= sizeof (*p->h_addr_list);
+#ifdef MF_REGISTER_gethostbyname_items
+ __mf_register (p->h_addr_list, nreg, MF_REGISTER_gethostbyname_items,
+ "gethostbyname result->h_addr_list");
+#endif
+ MF_VALIDATE_EXTENT (p->h_addr_list, nreg, __MF_CHECK_WRITE,
+ "gethostbyname result->h_addr_list");
+ }
+ }
+ return p;
+}
+
+#endif /* HAVE_NETDB_H */
+
+
+#ifdef HAVE_SYS_WAIT_H
+
+WRAPPER2(pid_t, wait, int *status)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ if (NULL != status)
+ MF_VALIDATE_EXTENT (status, sizeof (*status), __MF_CHECK_WRITE,
+ "wait status");
+ return wait (status);
+}
+
+
+WRAPPER2(pid_t, waitpid, pid_t pid, int *status, int options)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ if (NULL != status)
+ MF_VALIDATE_EXTENT (status, sizeof (*status), __MF_CHECK_WRITE,
+ "waitpid status");
+ return waitpid (pid, status, options);
+}
+
+#endif /* HAVE_SYS_WAIT_H */
+
+
+WRAPPER2(FILE *, popen, const char *command, const char *mode)
+{
+ size_t n;
+ FILE *p;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+
+ n = strlen (command);
+ MF_VALIDATE_EXTENT (command, CLAMPADD(n, 1), __MF_CHECK_READ, "popen path");
+
+ n = strlen (mode);
+ MF_VALIDATE_EXTENT (mode, CLAMPADD(n, 1), __MF_CHECK_READ, "popen mode");
+
+ p = popen (command, mode);
+ if (NULL != p) {
+#ifdef MF_REGISTER_fopen
+ __mf_register (p, sizeof (*p), MF_REGISTER_fopen, "popen result");
+#endif
+ MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_WRITE, "popen result");
+ }
+ return p;
+}
+
+
+WRAPPER2(int, pclose, FILE *stream)
+{
+ int resp;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE,
+ "pclose stream");
+ resp = pclose (stream);
+#ifdef MF_REGISTER_fopen
+ __mf_unregister (stream, sizeof (*stream), MF_REGISTER_fopen);
+#endif
+ return resp;
+}
+
+
+WRAPPER2(int, execve, const char *path, char *const argv [],
+ char *const envp[])
+{
+ size_t n;
+ char *const *p;
+ const char *s;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+
+ n = strlen (path);
+ MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "execve path");
+
+ for (p = argv;;) {
+ MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_READ, "execve *argv");
+ s = *p++;
+ if (NULL == s)
+ break;
+ n = strlen (s);
+ MF_VALIDATE_EXTENT (s, CLAMPADD(n, 1), __MF_CHECK_READ, "execve **argv");
+ }
+
+ for (p = envp;;) {
+ MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_READ, "execve *envp");
+ s = *p++;
+ if (NULL == s)
+ break;
+ n = strlen (s);
+ MF_VALIDATE_EXTENT (s, CLAMPADD(n, 1), __MF_CHECK_READ, "execve **envp");
+ }
+ return execve (path, argv, envp);
+}
+
+
+WRAPPER2(int, execv, const char *path, char *const argv [])
+{
+ size_t n;
+ char *const *p;
+ const char *s;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+
+ n = strlen (path);
+ MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "execv path");
+
+ for (p = argv;;) {
+ MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_READ, "execv *argv");
+ s = *p++;
+ if (NULL == s)
+ break;
+ n = strlen (s);
+ MF_VALIDATE_EXTENT (s, CLAMPADD(n, 1), __MF_CHECK_READ, "execv **argv");
+ }
+ return execv (path, argv);
+}
+
+
+WRAPPER2(int, execvp, const char *path, char *const argv [])
+{
+ size_t n;
+ char *const *p;
+ const char *s;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+
+ n = strlen (path);
+ MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "execvp path");
+
+ for (p = argv;;) {
+ MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_READ, "execvp *argv");
+ s = *p++;
+ if (NULL == s)
+ break;
+ n = strlen (s);
+ MF_VALIDATE_EXTENT (s, CLAMPADD(n, 1), __MF_CHECK_READ, "execvp **argv");
+ }
+ return execvp (path, argv);
+}
+
+
+WRAPPER2(int, system, const char *string)
+{
+ size_t n;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ n = strlen (string);
+ MF_VALIDATE_EXTENT (string, CLAMPADD(n, 1), __MF_CHECK_READ,
+ "system string");
+ return system (string);
+}
+
+
+WRAPPER2(void *, dlopen, const char *path, int flags)
+{
+ void *p;
+ size_t n;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ n = strlen (path);
+ MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "dlopen path");
+ p = dlopen (path, flags);
+ if (NULL != p) {
+#ifdef MF_REGISTER_dlopen
+ __mf_register (p, 0, MF_REGISTER_dlopen, "dlopen result");
+#endif
+ MF_VALIDATE_EXTENT (p, 0, __MF_CHECK_WRITE, "dlopen result");
+ }
+ return p;
+}
+
+
+WRAPPER2(int, dlclose, void *handle)
+{
+ int resp;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (handle, 0, __MF_CHECK_READ, "dlclose handle");
+ resp = dlclose (handle);
+#ifdef MF_REGISTER_dlopen
+ __mf_unregister (handle, 0, MF_REGISTER_dlopen);
+#endif
+ return resp;
+}
+
+
+WRAPPER2(char *, dlerror)
+{
+ char *p;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ p = dlerror ();
+ if (NULL != p) {
+ size_t n;
+ n = strlen (p);
+ n = CLAMPADD(n, 1);
+#ifdef MF_REGISTER_dlerror
+ __mf_register (p, n, MF_REGISTER_dlerror, "dlerror result");
+#endif
+ MF_VALIDATE_EXTENT (p, n, __MF_CHECK_WRITE, "dlerror result");
+ }
+ return p;
+}
+
+
+WRAPPER2(void *, dlsym, void *handle, char *symbol)
+{
+ size_t n;
+ void *p;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (handle, 0, __MF_CHECK_READ, "dlsym handle");
+ n = strlen (symbol);
+ MF_VALIDATE_EXTENT (symbol, CLAMPADD(n, 1), __MF_CHECK_READ, "dlsym symbol");
+ p = dlsym (handle, symbol);
+ if (NULL != p) {
+#ifdef MF_REGISTER_dlsym
+ __mf_register (p, 0, MF_REGISTER_dlsym, "dlsym result");
+#endif
+ MF_VALIDATE_EXTENT (p, 0, __MF_CHECK_WRITE, "dlsym result");
+ }
+ return p;
+}
+
+
+#if defined (HAVE_SYS_IPC_H) && defined (HAVE_SYS_SEM_H) && defined (HAVE_SYS_SHM_H)
+
+WRAPPER2(int, semop, int semid, struct sembuf *sops, unsigned nsops)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ MF_VALIDATE_EXTENT (sops, sizeof (*sops) * nsops, __MF_CHECK_READ,
+ "semop sops");
+ return semop (semid, sops, nsops);
+}
+
+
+#ifndef HAVE_UNION_SEMUN
+union semun {
+ int val; /* value for SETVAL */
+ struct semid_ds *buf; /* buffer for IPC_STAT, IPC_SET */
+ unsigned short int *array; /* array for GETALL, SETALL */
+ struct seminfo *__buf; /* buffer for IPC_INFO */
+};
+#endif
+WRAPPER2(int, semctl, int semid, int semnum, int cmd, union semun arg)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ switch (cmd) {
+ case IPC_STAT:
+ MF_VALIDATE_EXTENT (arg.buf, sizeof (*arg.buf), __MF_CHECK_WRITE,
+ "semctl buf");
+ break;
+ case IPC_SET:
+ MF_VALIDATE_EXTENT (arg.buf, sizeof (*arg.buf), __MF_CHECK_READ,
+ "semctl buf");
+ break;
+ case GETALL:
+ MF_VALIDATE_EXTENT (arg.array, sizeof (*arg.array), __MF_CHECK_WRITE,
+ "semctl array");
+ case SETALL:
+ MF_VALIDATE_EXTENT (arg.array, sizeof (*arg.array), __MF_CHECK_READ,
+ "semctl array");
+ break;
+#ifdef IPC_INFO
+ /* FreeBSD 5.1 And Cygwin headers include IPC_INFO but not the __buf field. */
+#if !defined(__FreeBSD__) && !defined(__CYGWIN__)
+ case IPC_INFO:
+ MF_VALIDATE_EXTENT (arg.__buf, sizeof (*arg.__buf), __MF_CHECK_WRITE,
+ "semctl __buf");
+ break;
+#endif
+#endif
+ default:
+ break;
+ }
+ return semctl (semid, semnum, cmd, arg);
+}
+
+
+WRAPPER2(int, shmctl, int shmid, int cmd, struct shmid_ds *buf)
+{
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ switch (cmd) {
+ case IPC_STAT:
+ MF_VALIDATE_EXTENT (buf, sizeof (*buf), __MF_CHECK_WRITE,
+ "shmctl buf");
+ break;
+ case IPC_SET:
+ MF_VALIDATE_EXTENT (buf, sizeof (*buf), __MF_CHECK_READ,
+ "shmctl buf");
+ break;
+ default:
+ break;
+ }
+ return shmctl (shmid, cmd, buf);
+}
+
+
+WRAPPER2(void *, shmat, int shmid, const void *shmaddr, int shmflg)
+{
+ void *p;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ p = shmat (shmid, shmaddr, shmflg);
+#ifdef MF_REGISTER_shmat
+ if (NULL != p) {
+ struct shmid_ds buf;
+ __mf_register (p, shmctl (shmid, IPC_STAT, &buf) ? 0 : buf.shm_segsz,
+ MF_REGISTER_shmat, "shmat result");
+ }
+#endif
+ return p;
+}
+
+
+WRAPPER2(int, shmdt, const void *shmaddr)
+{
+ int resp;
+ TRACE ("%s\n", __PRETTY_FUNCTION__);
+ resp = shmdt (shmaddr);
+#ifdef MF_REGISTER_shmat
+ __mf_unregister ((void *)shmaddr, 0, MF_REGISTER_shmat);
+#endif
+ return resp;
+}
+
+
+#endif /* HAVE_SYS_IPC/SEM/SHM_H */
+
+
+
+/* ctype stuff. This is host-specific by necessity, as the arrays
+ that is used by most is*()/to*() macros are implementation-defined. */
+
+/* GLIBC 2.3 */
+#ifdef HAVE___CTYPE_B_LOC
+WRAPPER2(unsigned short **, __ctype_b_loc, void)
+{
+ static unsigned short * last_buf = (void *) 0;
+ static unsigned short ** last_ptr = (void *) 0;
+ unsigned short ** ptr = (unsigned short **) __ctype_b_loc ();
+ unsigned short * buf = * ptr;
+ if (ptr != last_ptr)
+ {
+ /* XXX: unregister last_ptr? */
+ last_ptr = ptr;
+ __mf_register (last_ptr, sizeof(last_ptr), __MF_TYPE_STATIC, "ctype_b_loc **");
+ }
+ if (buf != last_buf)
+ {
+ last_buf = buf;
+ __mf_register ((void *) (last_buf - 128), 384 * sizeof(unsigned short), __MF_TYPE_STATIC,
+ "ctype_b_loc []");
+ }
+ return ptr;
+}
+#endif
+
+#ifdef HAVE___CTYPE_TOUPPER_LOC
+WRAPPER2(int **, __ctype_toupper_loc, void)
+{
+ static int * last_buf = (void *) 0;
+ static int ** last_ptr = (void *) 0;
+ int ** ptr = (int **) __ctype_toupper_loc ();
+ int * buf = * ptr;
+ if (ptr != last_ptr)
+ {
+ /* XXX: unregister last_ptr? */
+ last_ptr = ptr;
+ __mf_register (last_ptr, sizeof(last_ptr), __MF_TYPE_STATIC, "ctype_toupper_loc **");
+ }
+ if (buf != last_buf)
+ {
+ last_buf = buf;
+ __mf_register ((void *) (last_buf - 128), 384 * sizeof(int), __MF_TYPE_STATIC,
+ "ctype_toupper_loc []");
+ }
+ return ptr;
+}
+#endif
+
+#ifdef HAVE___CTYPE_TOLOWER_LOC
+WRAPPER2(int **, __ctype_tolower_loc, void)
+{
+ static int * last_buf = (void *) 0;
+ static int ** last_ptr = (void *) 0;
+ int ** ptr = (int **) __ctype_tolower_loc ();
+ int * buf = * ptr;
+ if (ptr != last_ptr)
+ {
+ /* XXX: unregister last_ptr? */
+ last_ptr = ptr;
+ __mf_register (last_ptr, sizeof(last_ptr), __MF_TYPE_STATIC, "ctype_tolower_loc **");
+ }
+ if (buf != last_buf)
+ {
+ last_buf = buf;
+ __mf_register ((void *) (last_buf - 128), 384 * sizeof(int), __MF_TYPE_STATIC,
+ "ctype_tolower_loc []");
+ }
+ return ptr;
+}
+#endif
+
+
+/* passwd/group related functions. These register every (static) pointer value returned,
+ and rely on libmudflap's quiet toleration of duplicate static registrations. */
+
+#ifdef HAVE_GETLOGIN
+WRAPPER2(char *, getlogin, void)
+{
+ char *buf = getlogin ();
+ if (buf != NULL)
+ __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC,
+ "getlogin() return");
+ return buf;
+}
+#endif
+
+
+#ifdef HAVE_CUSERID
+WRAPPER2(char *, cuserid, char * buf)
+{
+ if (buf != NULL)
+ {
+ MF_VALIDATE_EXTENT(buf, L_cuserid, __MF_CHECK_WRITE,
+ "cuserid destination");
+ return cuserid (buf);
+ }
+ buf = cuserid (NULL);
+ if (buf != NULL)
+ __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC,
+ "getcuserid() return");
+ return buf;
+}
+#endif
+
+
+#ifdef HAVE_GETPWNAM
+WRAPPER2(struct passwd *, getpwnam, const char *name)
+{
+ struct passwd *buf;
+ MF_VALIDATE_EXTENT(name, strlen(name)+1, __MF_CHECK_READ,
+ "getpwnam name");
+ buf = getpwnam (name);
+ if (buf != NULL)
+ __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC,
+ "getpw*() return");
+ return buf;
+}
+#endif
+
+
+#ifdef HAVE_GETPWUID
+WRAPPER2(struct passwd *, getpwuid, uid_t uid)
+{
+ struct passwd *buf;
+ buf = getpwuid (uid);
+ if (buf != NULL)
+ __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC,
+ "getpw*() return");
+ return buf;
+}
+#endif
+
+
+#ifdef HAVE_GETGRNAM
+WRAPPER2(struct group *, getgrnam, const char *name)
+{
+ struct group *buf;
+ MF_VALIDATE_EXTENT(name, strlen(name)+1, __MF_CHECK_READ,
+ "getgrnam name");
+ buf = getgrnam (name);
+ if (buf != NULL)
+ __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC,
+ "getgr*() return");
+ return buf;
+}
+#endif
+
+
+#ifdef HAVE_GETGRGID
+WRAPPER2(struct group *, getgrgid, uid_t uid)
+{
+ struct group *buf;
+ buf = getgrgid (uid);
+ if (buf != NULL)
+ __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC,
+ "getgr*() return");
+ return buf;
+}
+#endif
+
+
+#ifdef HAVE_GETSERVENT
+WRAPPER2(struct servent *, getservent, void)
+{
+ struct servent *buf;
+ buf = getservent ();
+ if (buf != NULL)
+ __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC,
+ "getserv*() return");
+ return buf;
+}
+#endif
+
+
+#ifdef HAVE_GETSERVBYNAME
+WRAPPER2(struct servent *, getservbyname, const char *name, const char *proto)
+{
+ struct servent *buf;
+ MF_VALIDATE_EXTENT(name, strlen(name)+1, __MF_CHECK_READ,
+ "getservbyname name");
+ MF_VALIDATE_EXTENT(proto, strlen(proto)+1, __MF_CHECK_READ,
+ "getservbyname proto");
+ buf = getservbyname (name, proto);
+ if (buf != NULL)
+ __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC,
+ "getserv*() return");
+ return buf;
+}
+#endif
+
+
+#ifdef HAVE_GETSERVBYPORT
+WRAPPER2(struct servent *, getservbyport, int port, const char *proto)
+{
+ struct servent *buf;
+ MF_VALIDATE_EXTENT(proto, strlen(proto)+1, __MF_CHECK_READ,
+ "getservbyport proto");
+ buf = getservbyport (port, proto);
+ if (buf != NULL)
+ __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC,
+ "getserv*() return");
+ return buf;
+}
+#endif
+
+
+#ifdef HAVE_GAI_STRERROR
+WRAPPER2(const char *, gai_strerror, int errcode)
+{
+ const char *buf;
+ buf = gai_strerror (errcode);
+ if (buf != NULL)
+ __mf_register ((void *) buf, strlen(buf)+1, __MF_TYPE_STATIC,
+ "gai_strerror() return");
+ return buf;
+}
+#endif
+
+
+#ifdef HAVE_GETMNTENT
+WRAPPER2(struct mntent *, getmntent, FILE *filep)
+{
+ struct mntent *m;
+ static struct mntent *last = NULL;
+
+ MF_VALIDATE_EXTENT (filep, sizeof (*filep), __MF_CHECK_WRITE,
+ "getmntent stream");
+#define UR(field) __mf_unregister(last->field, strlen (last->field)+1, __MF_TYPE_STATIC)
+ if (last)
+ {
+ UR (mnt_fsname);
+ UR (mnt_dir);
+ UR (mnt_type);
+ UR (mnt_opts);
+ __mf_unregister (last, sizeof (*last), __MF_TYPE_STATIC);
+ }
+#undef UR
+
+ m = getmntent (filep);
+ last = m;
+
+#define R(field) __mf_register(last->field, strlen (last->field)+1, __MF_TYPE_STATIC, "mntent " #field)
+ if (m)
+ {
+ R (mnt_fsname);
+ R (mnt_dir);
+ R (mnt_type);
+ R (mnt_opts);
+ __mf_register (last, sizeof (*last), __MF_TYPE_STATIC, "getmntent result");
+ }
+#undef R
+
+ return m;
+}
+#endif
+
+
+#ifdef HAVE_INET_NTOA
+WRAPPER2(char *, inet_ntoa, struct in_addr in)
+{
+ static char *last_buf = NULL;
+ char *buf;
+ if (last_buf)
+ __mf_unregister (last_buf, strlen (last_buf)+1, __MF_TYPE_STATIC);
+ buf = inet_ntoa (in);
+ last_buf = buf;
+ if (buf)
+ __mf_register (last_buf, strlen (last_buf)+1, __MF_TYPE_STATIC, "inet_ntoa result");
+ return buf;
+}
+#endif
+
+
+#ifdef HAVE_GETPROTOENT
+WRAPPER2(struct protoent *, getprotoent, void)
+{
+ struct protoent *buf;
+ buf = getprotoent ();
+ if (buf != NULL)
+ __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC, "getproto*() return");
+ return buf;
+}
+#endif
+
+
+#ifdef HAVE_GETPROTOBYNAME
+WRAPPER2(struct protoent *, getprotobyname, const char *name)
+{
+ struct protoent *buf;
+ MF_VALIDATE_EXTENT(name, strlen(name)+1, __MF_CHECK_READ,
+ "getprotobyname name");
+ buf = getprotobyname (name);
+ if (buf != NULL)
+ __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC,
+ "getproto*() return");
+ return buf;
+}
+#endif
+
+
+#ifdef HAVE_GETPROTOBYNUMBER
+WRAPPER2(struct protoent *, getprotobynumber, int port)
+{
+ struct protoent *buf;
+ buf = getprotobynumber (port);
+ if (buf != NULL)
+ __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC,
+ "getproto*() return");
+ return buf;
+}
+#endif