*/
#include "includes.h"
+#include "system/syslog.h"
+#include "system/capability.h"
+#include "system/passwd.h"
+#include "system/filesys.h"
+
+#ifdef HAVE_SYS_SYSCTL_H
+#include <sys/sysctl.h>
+#endif
#ifdef HAVE_SYS_PRCTL_H
#include <sys/prctl.h>
-/*******************************************************************
- A wrapper for memalign
-********************************************************************/
-
-void *sys_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;
-#elif defined(HAVE_MEMALIGN)
- return memalign( align, size );
-#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 functionalaity not available on this platform!\n"));
- return NULL;
- }
- if (size < pagesize) {
- size = pagesize;
- }
- return SMB_MALLOC(size);
-#endif
-}
-
/*******************************************************************
A wrapper for usleep in case we don't have one.
********************************************************************/
}
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_STAT64)
-static void init_stat_ex_from_stat (struct stat_ex *dst,
- const struct stat64 *src,
- bool fake_dir_create_times)
+void init_stat_ex_from_stat (struct stat_ex *dst,
+ const struct stat64 *src,
+ bool fake_dir_create_times)
#else
-static void init_stat_ex_from_stat (struct stat_ex *dst,
- const struct stat *src,
- bool fake_dir_create_times)
+void init_stat_ex_from_stat (struct stat_ex *dst,
+ const struct stat *src,
+ bool fake_dir_create_times)
#endif
{
dst->st_ex_dev = src->st_dev;
#endif
}
+/*******************************************************************
+ An fallocate() function that matches the semantics of the Linux one.
+********************************************************************/
+
+#ifdef HAVE_LINUX_FALLOC_H
+#include <linux/falloc.h>
+#endif
+
+int sys_fallocate(int fd, enum vfs_fallocate_mode mode, SMB_OFF_T offset, SMB_OFF_T len)
+{
+#if defined(HAVE_LINUX_FALLOCATE64) || defined(HAVE_LINUX_FALLOCATE)
+ int lmode;
+ switch (mode) {
+ case VFS_FALLOCATE_EXTEND_SIZE:
+ lmode = 0;
+ break;
+ case VFS_FALLOCATE_KEEP_SIZE:
+ lmode = FALLOC_FL_KEEP_SIZE;
+ break;
+ default:
+ errno = EINVAL;
+ return -1;
+ }
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_LINUX_FALLOCATE64)
+ return fallocate64(fd, lmode, offset, len);
+#elif defined(HAVE_LINUX_FALLOCATE)
+ return fallocate(fd, lmode, offset, len);
+#endif
+#else
+ /* TODO - plumb in fallocate from other filesysetms like VXFS etc. JRA. */
+ errno = ENOSYS;
+ return -1;
+#endif
+}
+
/*******************************************************************
An ftruncate() wrapper that will deal with 64 bit filesizes.
********************************************************************/
return fseek64(fp, offset, whence);
#elif defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(LARGE_SMB_OFF_T) && defined(HAVE_FSEEKO64)
return fseeko64(fp, offset, whence);
+#elif defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(LARGE_SMB_OFF_T) && defined(HAVE_FSEEKO)
+ return fseeko(fp, offset, whence);
#else
return fseek(fp, offset, whence);
#endif
}
+#if HAVE_KERNEL_SHARE_MODES
+#ifndef LOCK_MAND
+#define LOCK_MAND 32 /* This is a mandatory flock */
+#define LOCK_READ 64 /* ... Which allows concurrent read operations */
+#define LOCK_WRITE 128 /* ... Which allows concurrent write operations */
+#define LOCK_RW 192 /* ... Which allows concurrent read & write ops */
+#endif
+#endif
+
/*******************************************************************
A flock() wrapper that will perform the kernel flock.
********************************************************************/
#endif
}
+/*******************************************************************
+ An fdopendir wrapper that will deal with 64 bit filesizes.
+ Ugly hack - we need dirfd for this to work correctly in the
+ calling code.. JRA.
+********************************************************************/
+
+SMB_STRUCT_DIR *sys_fdopendir(int fd)
+{
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_FDOPENDIR64) && defined(HAVE_DIRFD)
+ return fdopendir64(fd);
+#elif defined(HAVE_FDOPENDIR) && defined(HAVE_DIRFD)
+ return fdopendir(fd);
+#else
+ errno = ENOSYS;
+ return NULL;
+#endif
+}
+
/*******************************************************************
A readdir wrapper that will deal with 64 bit filesizes.
********************************************************************/
}
/*******************************************************************
- System wrapper for getwd
+ System wrapper for getwd. Always returns MALLOC'ed memory, or NULL
+ on error (malloc fail usually).
********************************************************************/
-char *sys_getwd(char *s)
+char *sys_getwd(void)
{
- char *wd;
-#ifdef HAVE_GETCWD
- wd = (char *)getcwd(s, PATH_MAX);
+#ifdef GETCWD_TAKES_NULL
+ return getcwd(NULL, 0);
+#elif HAVE_GETCWD
+ char *wd = NULL, *s = NULL;
+ size_t allocated = PATH_MAX;
+
+ while (1) {
+ s = SMB_REALLOC_ARRAY(s, char, allocated);
+ if (s == NULL) {
+ return NULL;
+ }
+ wd = getcwd(s, allocated);
+ if (wd) {
+ break;
+ }
+ if (errno != ERANGE) {
+ SAFE_FREE(s);
+ break;
+ }
+ allocated *= 2;
+ if (allocated < PATH_MAX) {
+ SAFE_FREE(s);
+ break;
+ }
+ }
+ return wd;
#else
- wd = (char *)getwd(s);
+ char *s = SMB_MALLOC_ARRAY(char, PATH_MAX);
+ if (s == NULL) {
+ return NULL;
+ }
+ return getwd(s);
#endif
- return wd;
}
#if defined(HAVE_POSIX_CAPABILITIES)
#endif
}
+#ifndef NGROUPS_MAX
+#define NGROUPS_MAX 32 /* Guess... */
+#endif
+
/**************************************************************************
Returns equivalent to NGROUPS_MAX - using sysconf if needed.
****************************************************************************/
****************************************************************************/
#if defined(HAVE_BROKEN_GETGROUPS)
+
+#ifdef HAVE_BROKEN_GETGROUPS
+#define GID_T int
+#else
+#define GID_T gid_t
+#endif
+
static int sys_broken_getgroups(int setlen, gid_t *gidset)
{
GID_T gid;
#endif
}
-/**************************************************************************
- Wrappers for setpwent(), getpwent() and endpwent()
-****************************************************************************/
-
-void sys_setpwent(void)
-{
- setpwent();
-}
-
-struct passwd *sys_getpwent(void)
-{
- return getpwent();
-}
-
-void sys_endpwent(void)
-{
- endpwent();
-}
-
-/**************************************************************************
- Wrappers for getpwnam(), getpwuid(), getgrnam(), getgrgid()
-****************************************************************************/
-
-
-struct passwd *sys_getpwnam(const char *name)
-{
- return getpwnam(name);
-}
-
-struct passwd *sys_getpwuid(uid_t uid)
-{
- return getpwuid(uid);
-}
-
-struct group *sys_getgrnam(const char *name)
-{
- return getgrnam(name);
-}
-
-struct group *sys_getgrgid(gid_t gid)
-{
- return getgrgid(gid);
-}
-
/**************************************************************************
Extract a command into an arg list.
****************************************************************************/
TALLOC_FREE(trunc_cmd);
- if (!(argl = TALLOC_ARRAY(mem_ctx, char *, argcl + 1))) {
+ if (!(argl = talloc_array(mem_ctx, char *, argcl + 1))) {
goto nomem;
}
err_exit:
SAFE_FREE(entry);
- SAFE_FREE(argl);
+ TALLOC_FREE(argl);
close(pipe_fds[0]);
close(pipe_fds[1]);
return -1;
int i, t, len;
char *buf;
/* Iterate through extattr(2) namespaces */
- for(t = 0; t < (sizeof(extattr)/sizeof(extattr[0])); t++) {
+ for(t = 0; t < ARRAY_SIZE(extattr); t++) {
switch(type) {
#if defined(HAVE_EXTATTR_LIST_FILE)
case 0:
dirp = fdopendir(newfd);
while ((de = readdir(dirp))) {
- size_t listlen = strlen(de->d_name);
+ size_t listlen = strlen(de->d_name) + 1;
if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, "..")) {
/* we don't want "." and ".." here: */
DEBUG(10,("skipped EA %s\n",de->d_name));
if (size == 0) {
/* return the current size of the list of extended attribute names*/
- len += listlen + 1;
+ len += listlen;
} else {
/* check size and copy entrieѕ + nul into list. */
- if ((len + listlen + 1) > size) {
+ if ((len + listlen) > size) {
errno = ERANGE;
len = -1;
break;
} else {
- safe_strcpy(list + len, de->d_name, listlen);
+ strlcpy(list + len, de->d_name, listlen);
len += listlen;
- list[len] = '\0';
- ++len;
}
}
}
#endif
}
+#if 0
+/*******************************************************************
+ Return the number of CPUs.
+********************************************************************/
+
+int sys_get_number_of_cores(void)
+{
+ int ret = -1;
+
+#if defined(HAVE_SYSCONF)
+#if defined(_SC_NPROCESSORS_ONLN)
+ ret = (int)sysconf(_SC_NPROCESSORS_ONLN);
+#endif
+#if defined(_SC_NPROCESSORS_CONF)
+ if (ret < 1) {
+ ret = (int)sysconf(_SC_NPROCESSORS_CONF);
+ }
+#endif
+#elif defined(HAVE_SYSCTL) && defined(CTL_HW)
+ int name[2];
+ unsigned int len = sizeof(ret);
+
+ name[0] = CTL_HW;
+#if defined(HW_AVAILCPU)
+ name[1] = HW_AVAILCPU;
+
+ if (sysctl(name, 2, &ret, &len, NULL, 0) == -1) {
+ ret = -1;
+ }
+#endif
+#if defined(HW_NCPU)
+ if(ret < 1) {
+ name[0] = CTL_HW;
+ name[1] = HW_NCPU;
+ if (sysctl(nm, 2, &count, &len, NULL, 0) == -1) {
+ ret = -1;
+ }
+ }
+#endif
+#endif
+ if (ret < 1) {
+ ret = 1;
+ }
+ return ret;
+}
+#endif
+
#if defined(WITH_AIO)
/*******************************************************************
return -1;
}
#endif /* WITH_AIO */
-
-int sys_getpeereid( int s, uid_t *uid)
-{
-#if defined(HAVE_PEERCRED)
- struct ucred cred;
- socklen_t cred_len = sizeof(struct ucred);
- int ret;
-
- ret = getsockopt(s, SOL_SOCKET, SO_PEERCRED, (void *)&cred, &cred_len);
- if (ret != 0) {
- return -1;
- }
-
- if (cred_len != sizeof(struct ucred)) {
- errno = EINVAL;
- return -1;
- }
-
- *uid = cred.uid;
- return 0;
-#else
-#if defined(HAVE_GETPEEREID)
- gid_t gid;
- return getpeereid(s, uid, &gid);
-#endif
- errno = ENOSYS;
- return -1;
-#endif
-}
-
-int sys_getnameinfo(const struct sockaddr *psa,
- socklen_t salen,
- char *host,
- size_t hostlen,
- char *service,
- size_t servlen,
- int flags)
-{
- /*
- * For Solaris we must make sure salen is the
- * correct length for the incoming sa_family.
- */
-
- if (salen == sizeof(struct sockaddr_storage)) {
- salen = sizeof(struct sockaddr_in);
-#if defined(HAVE_IPV6)
- if (psa->sa_family == AF_INET6) {
- salen = sizeof(struct sockaddr_in6);
- }
-#endif
- }
- return getnameinfo(psa, salen, host, hostlen, service, servlen, flags);
-}
-
-int sys_connect(int fd, const struct sockaddr * addr)
-{
- socklen_t salen = -1;
-
- if (addr->sa_family == AF_INET) {
- salen = sizeof(struct sockaddr_in);
- } else if (addr->sa_family == AF_UNIX) {
- salen = sizeof(struct sockaddr_un);
- }
-#if defined(HAVE_IPV6)
- else if (addr->sa_family == AF_INET6) {
- salen = sizeof(struct sockaddr_in6);
- }
-#endif
-
- return connect(fd, addr, salen);
-}
git.samba.org / gd / samba-autobuild / .git / blobdiff