diff options
Diffstat (limited to 'lib/replace')
| -rw-r--r-- | lib/replace/libreplace.m4 | 3 | ||||
| -rw-r--r-- | lib/replace/replace.c | 32 | ||||
| -rw-r--r-- | lib/replace/replace.h | 9 | ||||
| -rw-r--r-- | lib/replace/wscript | 4 |
4 files changed, 45 insertions, 3 deletions
diff --git a/lib/replace/libreplace.m4 b/lib/replace/libreplace.m4 index e14fadabf1..72de91799c 100644 --- a/lib/replace/libreplace.m4 +++ b/lib/replace/libreplace.m4 @@ -121,9 +121,10 @@ AC_CHECK_HEADERS(stdarg.h vararg.h) AC_CHECK_HEADERS(sys/mount.h mntent.h) AC_CHECK_HEADERS(stropts.h) AC_CHECK_HEADERS(unix.h) +AC_CHECK_HEADERS(malloc.h) AC_CHECK_FUNCS(seteuid setreuid setresuid setegid setregid setresgid) -AC_CHECK_FUNCS(chroot bzero strerror strerror_r) +AC_CHECK_FUNCS(chroot bzero strerror strerror_r memalign posix_memalign getpagesize) AC_CHECK_FUNCS(vsyslog setlinebuf mktime ftruncate chsize rename) AC_CHECK_FUNCS(waitpid wait4 strlcpy strlcat initgroups memmove strdup) AC_CHECK_FUNCS(pread pwrite strndup strcasestr strtok_r mkdtemp dup2 dprintf vdprintf) diff --git a/lib/replace/replace.c b/lib/replace/replace.c index d9a96ff8ef..f1454cbcd6 100644 --- a/lib/replace/replace.c +++ b/lib/replace/replace.c @@ -828,3 +828,35 @@ int rep_clock_gettime(clockid_t clk_id, struct timespec *tp) return 0; } #endif + +#ifndef HAVE_MEMALIGN +void *rep_memalign( size_t align, size_t size ) +{ +#if defined(HAVE_POSIX_MEMALIGN) + void *p = NULL; + int ret = posix_memalign( &p, align, size ); + if ( ret == 0 ) + return p; + + return NULL; +#else + /* On *BSD systems memaligns doesn't exist, but memory will + * be aligned on allocations of > pagesize. */ +#if defined(SYSCONF_SC_PAGESIZE) + size_t pagesize = (size_t)sysconf(_SC_PAGESIZE); +#elif defined(HAVE_GETPAGESIZE) + size_t pagesize = (size_t)getpagesize(); +#else + size_t pagesize = (size_t)-1; +#endif + if (pagesize == (size_t)-1) { + DEBUG(0,("memalign functionality not available on this platform!\n")); + return NULL; + } + if (size < pagesize) { + size = pagesize; + } + return malloc(size); +#endif +} +#endif diff --git a/lib/replace/replace.h b/lib/replace/replace.h index 711241462e..3f289d7f47 100644 --- a/lib/replace/replace.h +++ b/lib/replace/replace.h @@ -56,6 +56,10 @@ #include <inttypes.h> #endif +#ifdef HAVE_MALLOC_H +#include <malloc.h> +#endif + #ifndef __PRI64_PREFIX # if __WORDSIZE == 64 # define __PRI64_PREFIX "l" @@ -157,6 +161,11 @@ void *rep_memmem(const void *haystack, size_t haystacklen, const void *needle, size_t needlelen); #endif +#ifndef HAVE_MEMALIGN +#define memalign rep_memalign +void *rep_memalign(size_t boundary, size_t size); +#endif + #ifndef HAVE_MKTIME #define mktime rep_mktime /* prototype is in "system/time.h" */ diff --git a/lib/replace/wscript b/lib/replace/wscript index 63944c3800..e1dc1e6a30 100644 --- a/lib/replace/wscript +++ b/lib/replace/wscript @@ -69,7 +69,7 @@ def configure(conf): conf.CHECK_HEADERS('valgrind.h valgrind/valgrind.h valgrind/memcheck.h') conf.CHECK_HEADERS('nss_common.h nsswitch.h ns_api.h') conf.CHECK_HEADERS('sys/extattr.h sys/ea.h sys/proplist.h sys/cdefs.h') - conf.CHECK_HEADERS('utmp.h utmpx.h lastlog.h') + conf.CHECK_HEADERS('utmp.h utmpx.h lastlog.h malloc.h') conf.CHECK_HEADERS('syscall.h sys/syscall.h inttypes.h') conf.CHECK_TYPES('"long long" intptr_t uintptr_t ptrdiff_t comparison_fn_t') @@ -168,7 +168,7 @@ def configure(conf): conf.CHECK_FUNCS('strtok_r mkdtemp dup2 dprintf vdprintf isatty chown lchown') conf.CHECK_FUNCS('link readlink symlink realpath snprintf vsnprintf') conf.CHECK_FUNCS('asprintf vasprintf setenv unsetenv strnlen strtoull __strtoull') - conf.CHECK_FUNCS('strtouq strtoll __strtoll strtoq') + conf.CHECK_FUNCS('strtouq strtoll __strtoll strtoq memalign posix_memalign') # libbsd on some platforms provides strlcpy and strlcat if not conf.CHECK_FUNCS('strlcpy strlcat'): |