/*
* wrappers around low-level operations to provide a simpler interface
- * to the operations that Lisp needs
+ * to the operations that Lisp (and some contributed modules) needs.
*
* The functions in this file are typically called directly from Lisp.
* Thus, when their signature changes, they don't need updates in a .h
#include <unistd.h>
#ifndef LISP_FEATURE_WIN32
#include <pwd.h>
+#include <sys/wait.h>
+#include <netdb.h>
#endif
#include <stdio.h>
+#if defined(LISP_FEATURE_WIN32)
+#define WIN32_LEAN_AND_MEAN
+#endif
+
#include "runtime.h"
#include "util.h"
+#include "wrap.h"
/* Although it might seem as though this should be in some standard
Unix header, according to Perry E. Metzger, in a message on
* stat(2) stuff
*/
-/* As of 0.6.12, the FFI can't handle 64-bit values. For now, we use
- * these munged-to-32-bits values for might-be-64-bit slots of
- * stat_wrapper as a workaround, so that at least we can still work
- * when values are small.
- *
- * FIXME: But of course we should fix the FFI so that we can use the
- * actual 64-bit values instead. In fact, we probably have by now
- * (2003-10-03) on all working platforms except MIPS and HPPA; if some
- * motivated spark would simply fix those, this hack could go away.
- * -- CSR, 2003-10-03
- *
- * Some motivated spark fixed MIPS. -- ths, 2005-10-06 */
-
-#ifdef LISP_FEATURE_MIPS
-typedef unsigned long ffi_dev_t; /* Linux/MIPS struct stat doesn't use dev_t */
-typedef off_t ffi_off_t;
-#else
-typedef u32 ffi_dev_t; /* since Linux dev_t can be 64 bits */
-typedef u32 ffi_off_t; /* since OpenBSD 2.8 st_size is 64 bits */
-#endif
-
-/* a representation of stat(2) results which doesn't depend on CPU or OS */
-struct stat_wrapper {
- /* KLUDGE: The verbose wrapped_st_ prefixes are to protect us from
- * the C preprocessor as wielded by the fiends of OpenBSD, who do
- * things like
- * #define st_atime st_atimespec.tv_sec
- * I remember when I was young and innocent, I read about how the
- * C preprocessor isn't to be used to globally munge random
- * lowercase symbols like this, because things like this could
- * happen, and I nodded sagely. But now I know better.:-| This is
- * another entry for Dan Barlow's ongoing episodic rant about C
- * header files, I guess.. -- WHN 2001-05-10 */
- ffi_dev_t wrapped_st_dev; /* device */
- ino_t wrapped_st_ino; /* inode */
- mode_t wrapped_st_mode; /* protection */
-#ifndef LISP_FEATURE_WIN32
- nlink_t wrapped_st_nlink; /* number of hard links */
- uid_t wrapped_st_uid; /* user ID of owner */
- gid_t wrapped_st_gid; /* group ID of owner */
-#else
- short wrapped_st_nlink; /* Win32 doesn't have nlink_t */
- short wrapped_st_uid; /* Win32 doesn't have st_uid */
- short wrapped_st_gid; /* Win32 doesn't have st_gid */
-#endif
- ffi_dev_t wrapped_st_rdev; /* device type (if inode device) */
- ffi_off_t wrapped_st_size; /* total size, in bytes */
- unsigned long wrapped_st_blksize; /* blocksize for filesystem I/O */
- unsigned long wrapped_st_blocks; /* number of blocks allocated */
- time_t wrapped_st_atime; /* time_t of last access */
- time_t wrapped_st_mtime; /* time_t of last modification */
- time_t wrapped_st_ctime; /* time_t of last change */
-};
-
static void
copy_to_stat_wrapper(struct stat_wrapper *to, struct stat *from)
{
}
#ifdef LISP_FEATURE_WIN32
-#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <time.h>
/*
return 0;
}
#endif
+
+
+/* We will need to define these things or their equivalents for Win32
+ eventually, but for now let's get it working for everyone else. */
+#ifndef LISP_FEATURE_WIN32
+/* From SB-BSD-SOCKETS, to get h_errno */
+int get_h_errno()
+{
+ return h_errno;
+}
+
+/* From SB-POSIX, wait-macros */
+int wifexited(int status) {
+ return WIFEXITED(status);
+}
+int wexitstatus(int status) {
+ return WEXITSTATUS(status);
+}
+int wifsignaled(int status) {
+ return WIFSIGNALED(status);
+}
+int wtermsig(int status) {
+ return WTERMSIG(status);
+}
+int wifstopped(int status) {
+ return WIFSTOPPED(status);
+}
+int wstopsig(int status) {
+ return WSTOPSIG(status);
+}
+/* FIXME: POSIX also defines WIFCONTINUED, but that appears not to
+ exist on at least Linux... */
+#endif /* !LISP_FEATURE_WIN32 */
+
+/* From SB-POSIX, stat-macros */
+int s_isreg(mode_t mode)
+{
+ return S_ISREG(mode);
+}
+int s_isdir(mode_t mode)
+{
+ return S_ISDIR(mode);
+}
+int s_ischr(mode_t mode)
+{
+ return S_ISCHR(mode);
+}
+int s_isblk(mode_t mode)
+{
+ return S_ISBLK(mode);
+}
+int s_isfifo(mode_t mode)
+{
+ return S_ISFIFO(mode);
+}
+#ifndef LISP_FEATURE_WIN32
+int s_islnk(mode_t mode)
+{
+#ifdef S_ISLNK
+ return S_ISLNK(mode);
+#else
+ return ((mode & S_IFMT) == S_IFLNK);
+#endif
+}
+int s_issock(mode_t mode)
+{
+#ifdef S_ISSOCK
+ return S_ISSOCK(mode);
+#else
+ return ((mode & S_IFMT) == S_IFSOCK);
+#endif
+}
+#endif /* !LISP_FEATURE_WIN32 */
projects / sbcl.git / blobdiff