*** empty log message ***

1 files changed, 162 insertions, 0 deletions

diff --git a/apps/drwho/File_Manager.cpp b/apps/drwho/File_Manager.cpp
new file mode 100644
index 00000000000..c93b6398a50
--- /dev/null
+++ b/apps/drwho/File_Manager.cpp
@@ -0,0 +1,162 @@
+// $Id$
+#include "global.h"
+#include "ace/Mem_Map.h"
+#include "File_Manager.h"
+
+/* Initialize statics... */
+
+char *File_Manager::current_ptr = 0;
+int  File_Manager::number_of_friends = 0;
+int  File_Manager::max_key_length = 0;
+char *File_Manager::buffer_ptr = 0;
+int  File_Manager::buffer_size = 0;
+
+/* Either opens the friends file (if FILE_NAME is not a NULL pointer)
+   or opens up the password file.  In either case, the number of 
+   entries in the file are returned, i.e., number of friends... */
+
+int	
+File_Manager::open_file (char *file_name)
+{
+  return file_name == '\0' 
+    ? File_Manager::open_passwd_file ()
+    : File_Manager::open_friends_file (file_name);
+}
+
+/* Returns the next LOGIN_NAME and REAL_NAME from the file. */
+
+int	
+File_Manager::get_login_and_real_name (char *&login_name, char *&real_name)
+{
+  char *buf_ptr = File_Manager::current_ptr;
+
+  login_name = buf_ptr;
+
+  /* Skip to the end of the login name. */
+  
+  while (isalnum (*buf_ptr))
+    buf_ptr++;
+  
+  *buf_ptr++ = '\0';
+  
+  /* Now skip over white space to *start* of real name! */
+  
+  while (isspace (*buf_ptr) || *buf_ptr == '\0')
+    buf_ptr++;
+  
+  real_name = buf_ptr;
+  
+  while (*buf_ptr++ != '\n')
+    ;
+  
+  /* Clear the trailing blanks and junk. */
+  
+  for (char *tmp_ptr = buf_ptr - 1; isspace (*tmp_ptr); tmp_ptr--)
+    *tmp_ptr = '\0';
+  
+  /* Skip over consecutive blank lines. */
+
+  while (*buf_ptr == '\n')
+    buf_ptr++;
+
+  File_Manager::current_ptr = buf_ptr;
+  return 1;
+}
+
+/* Open up the yp passwd file and slurp all the users in! */
+
+int
+File_Manager::open_passwd_file (void)
+{
+  FILE 		*fp;
+  char 		*file_name;
+  struct passwd *pwent;
+  
+  file_name = tmpnam ((char *) 0);
+  
+  if ((fp = fopen (file_name, "w")) == 0)
+    return -1;
+  
+  for (setpwent (); (pwent = getpwent ()) != 0; )
+    if (*pwent->pw_gecos != '\0')
+      {
+	char *cp = strchr (pwent->pw_gecos, ',');
+
+	if (cp != 0)
+	  *cp = '\0';
+
+	fprintf (fp, "%-8.8s %s\n", pwent->pw_name, pwent->pw_gecos);
+	File_Manager::number_of_friends++;
+      }
+  
+  endpwent ();
+  
+  fclose (fp);
+  
+  ACE_Mem_Map mmap (file_name);
+
+  File_Manager::buffer_ptr = mmap.addr ();
+
+  if (File_Manager::buffer_ptr >= 0)
+    {
+      File_Manager::buffer_size = mmap.size ();
+      File_Manager::current_ptr = File_Manager::buffer_ptr;
+      return File_Manager::number_of_friends;
+    }
+  return -1;
+}
+
+/* This function opens up FILE_NAME and memory maps it in our address space. */
+
+int
+File_Manager::open_friends_file (char *file_name)
+{
+  char	      *fnp = file_name;
+  int	      fd;
+  
+  /* Split file_name into directory/file_name. */
+  
+  if ((fnp = strrchr (file_name, '/')) != 0)
+    fd = open (file_name, O_RDONLY);
+  else
+    {
+      char directory[MAXPATHLEN];
+      
+      strcpy (directory, getenv ("HOME")); 
+      strcat (directory, "/");
+      strcat (directory, file_name);
+      fd = open (directory, O_RDONLY);
+    }
+  
+  /* Do the mmaping if we got the file opened correctly... */
+  
+  if (fd < 0)
+    return -1;
+
+  ACE_Mem_Map mmap (fd);
+
+  File_Manager::buffer_ptr = mmap.addr ();
+
+  if (File_Manager::buffer_ptr >= 0)
+    {
+      File_Manager::buffer_size = mmap.size ();
+      File_Manager::current_ptr = File_Manager::buffer_ptr;
+
+      /* Determine how many friends there are by counting the newlines. */
+  
+      for (char *cp = File_Manager::buffer_ptr + File_Manager::buffer_size; 
+	   cp > File_Manager::buffer_ptr
+	   ; )
+	if (*--cp == '\n')
+	  {
+	    File_Manager::number_of_friends++;
+
+	    /* Skip consecutive newlines. */
+	    while (cp[-1] == '\n')
+	      --cp;
+	  }
+      return File_Manager::number_of_friends;
+    }
+  return -1;
+}
+