diff options
| -rw-r--r-- | configure.ac | 10 | ||||
| -rw-r--r-- | openbsd-compat/Makefile.in | 2 | ||||
| -rw-r--r-- | openbsd-compat/bsd-malloc.c | 55 |
3 files changed, 66 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 545bee88..e9c593ac 100644 --- a/configure.ac +++ b/configure.ac @@ -1331,7 +1331,17 @@ AC_CHECK_FUNCS([fmt_scaled scan_scaled login logout openpty updwtmp logwtmp]) AC_SEARCH_LIBS([inet_ntop], [resolv nsl]) AC_SEARCH_LIBS([gethostbyname], [resolv nsl]) +# "Particular Function Checks" +# see https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Particular-Functions.html AC_FUNC_STRFTIME +AC_FUNC_MALLOC +AC_FUNC_REALLOC +# autoconf doesn't have AC_FUNC_CALLOC so fake it if malloc returns NULL; +if test "x$ac_cv_func_malloc_0_nonnull" != "xyes"; then + AC_DEFINE(HAVE_CALLOC, 0, [calloc(x, 0) returns NULL]) + AC_DEFINE(calloc, rpl_calloc, + [Define to rpl_calloc if the replacement function should be used.]) +fi # Check for ALTDIRFUNC glob() extension AC_MSG_CHECKING([for GLOB_ALTDIRFUNC support]) diff --git a/openbsd-compat/Makefile.in b/openbsd-compat/Makefile.in index 77378a46..ac8ae430 100644 --- a/openbsd-compat/Makefile.in +++ b/openbsd-compat/Makefile.in @@ -18,7 +18,7 @@ LDFLAGS=-L. @LDFLAGS@ OPENBSD=base64.o basename.o bcrypt_pbkdf.o bindresvport.o blowfish.o daemon.o dirname.o fmt_scaled.o getcwd.o getgrouplist.o getopt_long.o getrrsetbyname.o glob.o inet_aton.o inet_ntoa.o inet_ntop.o mktemp.o pwcache.o readpassphrase.o reallocarray.o realpath.o recallocarray.o rresvport.o setenv.o setproctitle.o sha1.o sha2.o rmd160.o md5.o sigact.o strcasestr.o strlcat.o strlcpy.o strmode.o strnlen.o strptime.o strsep.o strtonum.o strtoll.o strtoul.o strtoull.o timingsafe_bcmp.o vis.o blowfish.o bcrypt_pbkdf.o explicit_bzero.o freezero.o -COMPAT=arc4random.o bsd-asprintf.o bsd-closefrom.o bsd-cray.o bsd-cygwin_util.o bsd-getpeereid.o getrrsetbyname-ldns.o bsd-err.o bsd-getpagesize.o bsd-misc.o bsd-nextstep.o bsd-openpty.o bsd-poll.o bsd-setres_id.o bsd-snprintf.o bsd-statvfs.o bsd-waitpid.o fake-rfc2553.o openssl-compat.o xcrypt.o kludge-fd_set.o +COMPAT=arc4random.o bsd-asprintf.o bsd-closefrom.o bsd-cray.o bsd-cygwin_util.o bsd-getpeereid.o getrrsetbyname-ldns.o bsd-err.o bsd-getpagesize.o bsd-misc.o bsd-nextstep.o bsd-openpty.o bsd-poll.o bsd-malloc.o bsd-setres_id.o bsd-snprintf.o bsd-statvfs.o bsd-waitpid.o fake-rfc2553.o openssl-compat.o xcrypt.o kludge-fd_set.o PORTS=port-aix.o port-irix.o port-linux.o port-solaris.o port-tun.o port-uw.o diff --git a/openbsd-compat/bsd-malloc.c b/openbsd-compat/bsd-malloc.c new file mode 100644 index 00000000..6402ab58 --- /dev/null +++ b/openbsd-compat/bsd-malloc.c @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2017 Darren Tucker (dtucker at zip com au). + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "config.h" +#undef malloc +#undef calloc +#undef realloc + +#include <sys/types.h> +#include <stdlib.h> + +#if defined(HAVE_MALLOC) && HAVE_MALLOC == 0 +void * +rpl_malloc(size_t size) +{ + if (size == 0) + size = 1; + return malloc(size); +} +#endif + +#if defined(HAVE_CALLOC) && HAVE_CALLOC == 0 +void * +rpl_calloc(size_t nmemb, size_t size) +{ + if (nmemb == 0) + nmemb = 1; + if (size == 0) + size = 1; + return calloc(nmemb, size); +} +#endif + +#if defined (HAVE_REALLOC) && HAVE_REALLOC == 0 +void * +rpl_realloc(void *ptr, size_t size) +{ + if (size == 0) + size = 1; + return realloc(ptr, size); +} +#endif |