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authorChristopher Faylor <me@cgf.cx>2000-02-17 19:38:31 +0000
committerChristopher Faylor <me@cgf.cx>2000-02-17 19:38:31 +0000
commit369d8a8fd5e887eca547bf34bccfdf755c9e5397 (patch)
tree5c5dc851bf01a5938662571357ffd5d7bb152a79 /winsup/mingw
parent4415a7ef3e26c669f5f7c5c7efbf7b6ea9b7e2f4 (diff)
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import winsup-2000-02-17 snapshot
Diffstat (limited to 'winsup/mingw')
-rw-r--r--winsup/mingw/dirent.c313
-rw-r--r--winsup/mingw/profile/ChangeLog25
2 files changed, 338 insertions, 0 deletions
diff --git a/winsup/mingw/dirent.c b/winsup/mingw/dirent.c
new file mode 100644
index 0000000..00041d7
--- /dev/null
+++ b/winsup/mingw/dirent.c
@@ -0,0 +1,313 @@
+/*
+ * dirent.c
+ *
+ * Derived from DIRLIB.C by Matt J. Weinstein
+ * This note appears in the DIRLIB.H
+ * DIRLIB.H by M. J. Weinstein Released to public domain 1-Jan-89
+ *
+ * Updated by Jeremy Bettis <jeremy@hksys.com>
+ * Significantly revised and rewinddir, seekdir and telldir added by Colin
+ * Peters <colin@fu.is.saga-u.ac.jp>
+ *
+ * $Revision$
+ * $Author$
+ * $Date$
+ *
+ */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <io.h>
+#include <direct.h>
+#include <sys/stat.h>
+
+#include <dirent.h>
+
+#define SUFFIX "*"
+#define SLASH "\\"
+
+/*
+ * opendir
+ *
+ * Returns a pointer to a DIR structure appropriately filled in to begin
+ * searching a directory.
+ */
+DIR *
+opendir (const char *szPath)
+{
+ DIR *nd;
+ struct _stat statDir;
+
+ errno = 0;
+
+ if (!szPath)
+ {
+ errno = EFAULT;
+ return (DIR *) 0;
+ }
+
+ if (szPath[0] == '\0')
+ {
+ errno = ENOTDIR;
+ return (DIR *) 0;
+ }
+
+ /* Attempt to determine if the given path really is a directory. */
+ if (_stat (szPath, &statDir))
+ {
+ /* Error, stat should have set an error value. */
+ return (DIR *) 0;
+ }
+
+ if (!S_ISDIR (statDir.st_mode))
+ {
+ /* Error, stat reports not a directory. */
+ errno = ENOTDIR;
+ return (DIR *) 0;
+ }
+
+ /* Allocate enough space to store DIR structure and the complete
+ * directory path given. */
+ nd = (DIR *) malloc (sizeof (DIR) + strlen (szPath) + strlen (SLASH) +
+ strlen (SUFFIX));
+
+ if (!nd)
+ {
+ /* Error, out of memory. */
+ errno = ENOMEM;
+ return (DIR *) 0;
+ }
+
+ /* Create the search expression. */
+ strcpy (nd->dd_name, szPath);
+
+ /* Add on a slash if the path does not end with one. */
+ if (nd->dd_name[0] != '\0' &&
+ nd->dd_name[strlen (nd->dd_name) - 1] != '/' &&
+ nd->dd_name[strlen (nd->dd_name) - 1] != '\\')
+ {
+ strcat (nd->dd_name, SLASH);
+ }
+
+ /* Add on the search pattern */
+ strcat (nd->dd_name, SUFFIX);
+
+ /* Initialize handle to -1 so that a premature closedir doesn't try
+ * to call _findclose on it. */
+ nd->dd_handle = -1;
+
+ /* Initialize the status. */
+ nd->dd_stat = 0;
+
+ /* Initialize the dirent structure. ino and reclen are invalid under
+ * Win32, and name simply points at the appropriate part of the
+ * findfirst_t structure. */
+ nd->dd_dir.d_ino = 0;
+ nd->dd_dir.d_reclen = 0;
+ nd->dd_dir.d_namlen = 0;
+ nd->dd_dir.d_name = nd->dd_dta.name;
+
+ return nd;
+}
+
+
+/*
+ * readdir
+ *
+ * Return a pointer to a dirent structure filled with the information on the
+ * next entry in the directory.
+ */
+struct dirent *
+readdir (DIR * dirp)
+{
+ errno = 0;
+
+ /* Check for valid DIR struct. */
+ if (!dirp)
+ {
+ errno = EFAULT;
+ return (struct dirent *) 0;
+ }
+
+ if (dirp->dd_dir.d_name != dirp->dd_dta.name)
+ {
+ /* The structure does not seem to be set up correctly. */
+ errno = EINVAL;
+ return (struct dirent *) 0;
+ }
+
+ if (dirp->dd_stat < 0)
+ {
+ /* We have already returned all files in the directory
+ * (or the structure has an invalid dd_stat). */
+ return (struct dirent *) 0;
+ }
+ else if (dirp->dd_stat == 0)
+ {
+ /* We haven't started the search yet. */
+ /* Start the search */
+ dirp->dd_handle = _findfirst (dirp->dd_name, &(dirp->dd_dta));
+
+ if (dirp->dd_handle == -1)
+ {
+ /* Whoops! Seems there are no files in that
+ * directory. */
+ dirp->dd_stat = -1;
+ }
+ else
+ {
+ dirp->dd_stat = 1;
+ }
+ }
+ else
+ {
+ /* Get the next search entry. */
+ if (_findnext (dirp->dd_handle, &(dirp->dd_dta)))
+ {
+ /* We are off the end or otherwise error. */
+ _findclose (dirp->dd_handle);
+ dirp->dd_handle = -1;
+ dirp->dd_stat = -1;
+ }
+ else
+ {
+ /* Update the status to indicate the correct
+ * number. */
+ dirp->dd_stat++;
+ }
+ }
+
+ if (dirp->dd_stat > 0)
+ {
+ /* Successfully got an entry. Everything about the file is
+ * already appropriately filled in except the length of the
+ * file name. */
+ dirp->dd_dir.d_namlen = strlen (dirp->dd_dir.d_name);
+ return &dirp->dd_dir;
+ }
+
+ return (struct dirent *) 0;
+}
+
+
+/*
+ * closedir
+ *
+ * Frees up resources allocated by opendir.
+ */
+int
+closedir (DIR * dirp)
+{
+ int rc;
+
+ errno = 0;
+ rc = 0;
+
+ if (!dirp)
+ {
+ errno = EFAULT;
+ return -1;
+ }
+
+ if (dirp->dd_handle != -1)
+ {
+ rc = _findclose (dirp->dd_handle);
+ }
+
+ /* Delete the dir structure. */
+ free (dirp);
+
+ return rc;
+}
+
+/*
+ * rewinddir
+ *
+ * Return to the beginning of the directory "stream". We simply call findclose
+ * and then reset things like an opendir.
+ */
+void
+rewinddir (DIR * dirp)
+{
+ errno = 0;
+
+ if (!dirp)
+ {
+ errno = EFAULT;
+ return;
+ }
+
+ if (dirp->dd_handle != -1)
+ {
+ _findclose (dirp->dd_handle);
+ }
+
+ dirp->dd_handle = -1;
+ dirp->dd_stat = 0;
+}
+
+/*
+ * telldir
+ *
+ * Returns the "position" in the "directory stream" which can be used with
+ * seekdir to go back to an old entry. We simply return the value in stat.
+ */
+long
+telldir (DIR * dirp)
+{
+ errno = 0;
+
+ if (!dirp)
+ {
+ errno = EFAULT;
+ return -1;
+ }
+ return dirp->dd_stat;
+}
+
+/*
+ * seekdir
+ *
+ * Seek to an entry previously returned by telldir. We rewind the directory
+ * and call readdir repeatedly until either dd_stat is the position number
+ * or -1 (off the end). This is not perfect, in that the directory may
+ * have changed while we weren't looking. But that is probably the case with
+ * any such system.
+ */
+void
+seekdir (DIR * dirp, long lPos)
+{
+ errno = 0;
+
+ if (!dirp)
+ {
+ errno = EFAULT;
+ return;
+ }
+
+ if (lPos < -1)
+ {
+ /* Seeking to an invalid position. */
+ errno = EINVAL;
+ return;
+ }
+ else if (lPos == -1)
+ {
+ /* Seek past end. */
+ if (dirp->dd_handle != -1)
+ {
+ _findclose (dirp->dd_handle);
+ }
+ dirp->dd_handle = -1;
+ dirp->dd_stat = -1;
+ }
+ else
+ {
+ /* Rewind and read forward to the appropriate index. */
+ rewinddir (dirp);
+
+ while ((dirp->dd_stat < lPos) && readdir (dirp))
+ ;
+ }
+}
diff --git a/winsup/mingw/profile/ChangeLog b/winsup/mingw/profile/ChangeLog
new file mode 100644
index 0000000..d6e94e8
--- /dev/null
+++ b/winsup/mingw/profile/ChangeLog
@@ -0,0 +1,25 @@
+Thu Nov 18 00:20:00 1999 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * profil.c (profile_on): Set the profiler thread priority to
+ be time critical. Thanks to Pascal Obry <pascal_obry@csi.com>.
+
+Sun Nov 7 04:17:27 1999 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * Makefile.in (install): Fix target.
+
+Thu Nov 4 14:06:21 1999 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * Makefile.in: New file.
+ * configure.in: New file.
+ * configure: Generate.
+
+ * gcrt0.c (u_char, u_short, u_int, u_long): typedef for Mingw.
+ * gmon.h (u_char, u_short, u_int, u_long): Likewise.
+ * gmon.c (unistd.h): Include conditionally.
+ (sys/param.h): Likewise.
+ * mcount.c (sys/param.h): Likewise.
+ * profil.c (profile_on): thread id is DWORD, not int.
+
+ * Imported profiling sources from winsup-19991026 snapshot.
+
+