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  1.   f15eb2e9f24aca5838c13133c4923834080812cf
  2.   7.1.100
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To: vim-dev@vim.org
Subject: patch 7.1.100
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 8bit
------------
 
Patch 7.1.100
Problem:    Win32: Executing cscope doesn't always work properly.
Solution:   Use another way to invoke cscope. (Mike Williams)
Files:	    src/if_cscope.c, src/if_cscope.h, src/main.c,
	    src/proto/if_cscope.pro
 
 
*** ../vim-7.1.099/src/if_cscope.c	Tue Aug 21 18:02:58 2007
--- src/if_cscope.c	Sun Sep  2 16:50:50 2007
***************
*** 24,34 ****
      /* not UNIX, must be WIN32 */
  # include "vimio.h"
  # include <fcntl.h>
- # include <process.h>
- # define STDIN_FILENO    0
- # define STDOUT_FILENO   1
- # define STDERR_FILENO   2
- # define pipe(fds) _pipe(fds, 256, O_TEXT|O_NOINHERIT)
  #endif
  #include "if_cscope.h"
  
--- 24,29 ----
***************
*** 65,71 ****
  static char *	    cs_parse_results __ARGS((int cnumber, char *buf, int bufsize, char **context, char **linenumber, char **search));
  static char *	    cs_pathcomponents __ARGS((char *path));
  static void	    cs_print_tags_priv __ARGS((char **, char **, int));
! static int	    cs_read_prompt __ARGS((int ));
  static void	    cs_release_csp __ARGS((int, int freefnpp));
  static int	    cs_reset __ARGS((exarg_T *eap));
  static char *	    cs_resolve_file __ARGS((int, char *));
--- 60,66 ----
  static char *	    cs_parse_results __ARGS((int cnumber, char *buf, int bufsize, char **context, char **linenumber, char **search));
  static char *	    cs_pathcomponents __ARGS((char *path));
  static void	    cs_print_tags_priv __ARGS((char **, char **, int));
! static int	    cs_read_prompt __ARGS((int));
  static void	    cs_release_csp __ARGS((int, int freefnpp));
  static int	    cs_reset __ARGS((exarg_T *eap));
  static char *	    cs_resolve_file __ARGS((int, char *));
***************
*** 504,510 ****
  #if defined(UNIX)
      else if (S_ISREG(statbuf.st_mode) || S_ISLNK(statbuf.st_mode))
  #else
! 	/* substitute define S_ISREG from os_unix.h */
      else if (((statbuf.st_mode) & S_IFMT) == S_IFREG)
  #endif
      {
--- 499,505 ----
  #if defined(UNIX)
      else if (S_ISREG(statbuf.st_mode) || S_ISLNK(statbuf.st_mode))
  #else
! 	/* WIN32 - substitute define S_ISREG from os_unix.h */
      else if (((statbuf.st_mode) & S_IFMT) == S_IFREG)
  #endif
      {
***************
*** 717,733 ****
  cs_create_connection(i)
      int i;
  {
!     int to_cs[2], from_cs[2], len;
!     char *prog, *cmd, *ppath = NULL;
! #ifndef UNIX
!     int in_save, out_save, err_save;
!     long_i ph;
! # ifdef FEAT_GUI
!     HWND activewnd = NULL;
!     HWND consolewnd = NULL;
! # endif
  #endif
  
      /*
       * Cscope reads from to_cs[0] and writes to from_cs[1]; vi reads from
       * from_cs[0] and writes to to_cs[1].
--- 712,734 ----
  cs_create_connection(i)
      int i;
  {
! #ifdef UNIX
!     int		to_cs[2], from_cs[2];
! #endif
!     int		len;
!     char	*prog, *cmd, *ppath = NULL;
! #ifdef WIN32
!     int		fd;
!     SECURITY_ATTRIBUTES sa;
!     PROCESS_INFORMATION pi;
!     STARTUPINFO si;
!     BOOL	pipe_stdin = FALSE, pipe_stdout = FALSE;
!     HANDLE	stdin_rd, stdout_rd;
!     HANDLE	stdout_wr, stdin_wr;
!     BOOL	created;
  #endif
  
+ #if defined(UNIX)
      /*
       * Cscope reads from to_cs[0] and writes to from_cs[1]; vi reads from
       * from_cs[0] and writes to to_cs[1].
***************
*** 748,765 ****
  	return CSCOPE_FAILURE;
      }
  
- #if defined(UNIX)
      switch (csinfo[i].pid = fork())
      {
      case -1:
  	(void)EMSG(_("E622: Could not fork for cscope"));
  	goto err_closing;
      case 0:				/* child: run cscope. */
- #else
- 	in_save = dup(STDIN_FILENO);
- 	out_save = dup(STDOUT_FILENO);
- 	err_save = dup(STDERR_FILENO);
- #endif
  	if (dup2(to_cs[0], STDIN_FILENO) == -1)
  	    PERROR("cs_create_connection 1");
  	if (dup2(from_cs[1], STDOUT_FILENO) == -1)
--- 749,760 ----
***************
*** 768,782 ****
  	    PERROR("cs_create_connection 3");
  
  	/* close unused */
- #if defined(UNIX)
  	(void)close(to_cs[1]);
  	(void)close(from_cs[0]);
  #else
! 	/* On win32 we must close opposite ends because we are the parent */
! 	(void)close(to_cs[0]);
! 	to_cs[0] = -1;
! 	(void)close(from_cs[1]);
! 	from_cs[1] = -1;
  #endif
  	/* expand the cscope exec for env var's */
  	if ((prog = (char *)alloc(MAXPATHL + 1)) == NULL)
--- 763,794 ----
  	    PERROR("cs_create_connection 3");
  
  	/* close unused */
  	(void)close(to_cs[1]);
  	(void)close(from_cs[0]);
  #else
! 	/* WIN32 */
! 	/* Create pipes to communicate with cscope */
! 	sa.nLength = sizeof(SECURITY_ATTRIBUTES);
! 	sa.bInheritHandle = TRUE;
! 	sa.lpSecurityDescriptor = NULL;
! 
! 	if (!(pipe_stdin = CreatePipe(&stdin_rd, &stdin_wr, &sa, 0))
! 		|| !(pipe_stdout = CreatePipe(&stdout_rd, &stdout_wr, &sa, 0)))
! 	{
! 	    (void)EMSG(_("E566: Could not create cscope pipes"));
! err_closing:
! 	    if (pipe_stdin)
! 	    {
! 		CloseHandle(stdin_rd);
! 		CloseHandle(stdin_wr);
! 	    }
! 	    if (pipe_stdout)
! 	    {
! 		CloseHandle(stdout_rd);
! 		CloseHandle(stdout_wr);
! 	    }
! 	    return CSCOPE_FAILURE;
! 	}
  #endif
  	/* expand the cscope exec for env var's */
  	if ((prog = (char *)alloc(MAXPATHL + 1)) == NULL)
***************
*** 784,789 ****
--- 796,802 ----
  #ifdef UNIX
  	    return CSCOPE_FAILURE;
  #else
+ 	    /* WIN32 */
  	    goto err_closing;
  #endif
  	}
***************
*** 800,805 ****
--- 813,819 ----
  #ifdef UNIX
  		return CSCOPE_FAILURE;
  #else
+ 		/* WIN32 */
  		goto err_closing;
  #endif
  	    }
***************
*** 818,823 ****
--- 832,838 ----
  #ifdef UNIX
  	    return CSCOPE_FAILURE;
  #else
+ 	    /* WIN32 */
  	    goto err_closing;
  #endif
  	}
***************
*** 826,831 ****
--- 841,847 ----
  #if defined(UNIX)
  	(void)sprintf(cmd, "exec %s -dl -f %s", prog, csinfo[i].fname);
  #else
+ 	/* WIN32 */
  	(void)sprintf(cmd, "%s -dl -f %s", prog, csinfo[i].fname);
  #endif
  	if (csinfo[i].ppath != NULL)
***************
*** 851,910 ****
  	exit(127);
  	/* NOTREACHED */
      default:	/* parent. */
- #else
- # ifdef FEAT_GUI
- 	activewnd = GetForegroundWindow(); /* on win9x cscope steals focus */
- 	/* Dirty hack to hide annoying console window */
- 	if (AllocConsole())
- 	{
- 	    char *title;
- 	    title = (char *)alloc(1024);
- 	    if (title == NULL)
- 		FreeConsole();
- 	    else
- 	    {
- 		GetConsoleTitle(title, 1024); /* save for future restore */
- 		SetConsoleTitle(
- 		    "GVIMCS{5499421B-CBEF-45b0-85EF-38167FDEA5C5}GVIMCS");
- 		Sleep(40); /* as stated in MS KB we must wait 40 ms */
- 		consolewnd = FindWindow(NULL,
- 			"GVIMCS{5499421B-CBEF-45b0-85EF-38167FDEA5C5}GVIMCS");
- 		if (consolewnd != NULL)
- 		    ShowWindow(consolewnd, SW_HIDE);
- 		SetConsoleTitle(title);
- 		vim_free(title);
- 	    }
- 	}
- # endif
- 	/* May be use &shell, &shellquote etc */
- # ifdef __BORLANDC__
- 	/* BCC 5.5 uses a different function name for spawnlp */
- 	ph = (long_i)spawnlp(P_NOWAIT, prog, cmd, NULL);
- # else
- 	ph = (long_i)_spawnlp(_P_NOWAIT, prog, cmd, NULL);
- # endif
- 	vim_free(prog);
- 	vim_free(cmd);
- # ifdef FEAT_GUI
- 	/* Dirty hack part two */
- 	if (activewnd != NULL)
- 	    /* restoring focus */
- 	    SetForegroundWindow(activewnd);
- 	if (consolewnd != NULL)
- 	    FreeConsole();
- 
- # endif
- 	if (ph == -1)
- 	{
- 	    PERROR(_("cs_create_connection exec failed"));
- 	    (void)EMSG(_("E623: Could not spawn cscope process"));
- 	    goto err_closing;
- 	}
- 	/* else */
- 	csinfo[i].pid = 0;
- 	csinfo[i].hProc = (HANDLE)ph;
- 
- #endif /* !UNIX */
  	/*
  	 * Save the file descriptors for later duplication, and
  	 * reopen as streams.
--- 867,872 ----
***************
*** 914,935 ****
  	if ((csinfo[i].fr_fp = fdopen(from_cs[0], "r")) == NULL)
  	    PERROR(_("cs_create_connection: fdopen for fr_fp failed"));
  
- #if defined(UNIX)
  	/* close unused */
  	(void)close(to_cs[0]);
  	(void)close(from_cs[1]);
  
  	break;
      }
  #else
! 	/* restore stdhandles */
!     dup2(in_save, STDIN_FILENO);
!     dup2(out_save, STDOUT_FILENO);
!     dup2(err_save, STDERR_FILENO);
!     close(in_save);
!     close(out_save);
!     close(err_save);
! #endif
      return CSCOPE_SUCCESS;
  } /* cs_create_connection */
  
--- 876,927 ----
  	if ((csinfo[i].fr_fp = fdopen(from_cs[0], "r")) == NULL)
  	    PERROR(_("cs_create_connection: fdopen for fr_fp failed"));
  
  	/* close unused */
  	(void)close(to_cs[0]);
  	(void)close(from_cs[1]);
  
  	break;
      }
+ 
  #else
!     /* WIN32 */
!     /* Create a new process to run cscope and use pipes to talk with it */
!     GetStartupInfo(&si);
!     si.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW;
!     si.wShowWindow = SW_HIDE;  /* Hide child application window */
!     si.hStdOutput = stdout_wr;
!     si.hStdError  = stdout_wr;
!     si.hStdInput  = stdin_rd;
!     created = CreateProcess(NULL, cmd, NULL, NULL, TRUE, CREATE_NEW_CONSOLE,
! 							NULL, NULL, &si, &pi);
!     vim_free(prog);
!     vim_free(cmd);
! 
!     if (!created)
!     {
! 	PERROR(_("cs_create_connection exec failed"));
! 	(void)EMSG(_("E623: Could not spawn cscope process"));
! 	goto err_closing;
!     }
!     /* else */
!     csinfo[i].pid = pi.dwProcessId;
!     csinfo[i].hProc = pi.hProcess;
!     CloseHandle(pi.hThread);
! 
!     /* TODO - tidy up after failure to create files on pipe handles. */
!     if (((fd = _open_osfhandle((intptr_t)stdin_wr, _O_TEXT|_O_APPEND)) < 0)
! 	    || ((csinfo[i].to_fp = _fdopen(fd, "w")) == NULL))
! 	PERROR(_("cs_create_connection: fdopen for to_fp failed"));
!     if (((fd = _open_osfhandle((intptr_t)stdout_rd, _O_TEXT|_O_RDONLY)) < 0)
! 	    || ((csinfo[i].fr_fp = _fdopen(fd, "r")) == NULL))
! 	PERROR(_("cs_create_connection: fdopen for fr_fp failed"));
! 
!     /* Close handles for file descriptors inherited by the cscope process */
!     CloseHandle(stdin_rd);
!     CloseHandle(stdout_wr);
! 
! #endif /* !UNIX */
! 
      return CSCOPE_SUCCESS;
  } /* cs_create_connection */
  
***************
*** 2097,2104 ****
  /*
   * PRIVATE: cs_release_csp
   *
!  * does the actual free'ing for the cs ptr with an optional flag of whether
!  * or not to free the filename.  called by cs_kill and cs_reset.
   */
      static void
  cs_release_csp(i, freefnpp)
--- 2089,2096 ----
  /*
   * PRIVATE: cs_release_csp
   *
!  * Does the actual free'ing for the cs ptr with an optional flag of whether
!  * or not to free the filename.  Called by cs_kill and cs_reset.
   */
      static void
  cs_release_csp(i, freefnpp)
***************
*** 2116,2125 ****
  	(void)fputs("q\n", csinfo[i].to_fp);
  	(void)fflush(csinfo[i].to_fp);
      }
!     /* give cscope chance to exit normally */
!     if (csinfo[i].hProc != NULL
! 	    && WaitForSingleObject(csinfo[i].hProc, 1000) == WAIT_TIMEOUT)
! 	TerminateProcess(csinfo[i].hProc, 0);
  #endif
  
      if (csinfo[i].fr_fp != NULL)
--- 2108,2120 ----
  	(void)fputs("q\n", csinfo[i].to_fp);
  	(void)fflush(csinfo[i].to_fp);
      }
!     if (csinfo[i].hProc != NULL)
!     {
! 	/* Give cscope a chance to exit normally */
! 	if (WaitForSingleObject(csinfo[i].hProc, 1000) == WAIT_TIMEOUT)
! 	    TerminateProcess(csinfo[i].hProc, 0);
! 	CloseHandle(csinfo[i].hProc);
!     }
  #endif
  
      if (csinfo[i].fr_fp != NULL)
***************
*** 2301,2306 ****
--- 2296,2316 ----
      wait_return(TRUE);
      return CSCOPE_SUCCESS;
  } /* cs_show */
+ 
+ 
+ /*
+  * PUBLIC: cs_end
+  *
+  * Only called when VIM exits to quit any cscope sessions.
+  */
+     void
+ cs_end()
+ {
+     int i;
+ 
+     for (i = 0; i < CSCOPE_MAX_CONNECTIONS; i++)
+ 	cs_release_csp(i, TRUE);
+ }
  
  #endif	/* FEAT_CSCOPE */
  
*** ../vim-7.1.099/src/if_cscope.h	Thu Jun 30 23:59:58 2005
--- src/if_cscope.h	Sun Sep  2 16:51:08 2007
***************
*** 72,78 ****
      ino_t	    st_ino;	/* inode number of cscope db */
  #else
  # if defined(WIN32)
!     int	    pid;	/* Can't get pid so set it to 0 ;) */
      HANDLE	    hProc;	/* cscope process handle */
      DWORD	    nVolume;	/* Volume serial number, instead of st_dev */
      DWORD	    nIndexHigh;	/* st_ino has no meaning in the Windows */
--- 72,78 ----
      ino_t	    st_ino;	/* inode number of cscope db */
  #else
  # if defined(WIN32)
!     DWORD	    pid;	/* PID of the connected cscope process. */
      HANDLE	    hProc;	/* cscope process handle */
      DWORD	    nVolume;	/* Volume serial number, instead of st_dev */
      DWORD	    nIndexHigh;	/* st_ino has no meaning in the Windows */
*** ../vim-7.1.099/src/main.c	Thu Aug 30 12:24:21 2007
--- src/main.c	Sun Sep  2 16:44:36 2007
***************
*** 1331,1336 ****
--- 1331,1339 ----
  #ifdef FEAT_NETBEANS_INTG
      netbeans_end();
  #endif
+ #ifdef FEAT_CSCOPE
+     cs_end();
+ #endif
  
      mch_exit(exitval);
  }
***************
*** 3671,3677 ****
  	mainerr_arg_missing((char_u *)filev[-1]);
      if (mch_dirname(cwd, MAXPATHL) != OK)
  	return NULL;
!     if ((p = vim_strsave_escaped_ext(cwd, PATH_ESC_CHARS, '\\', TRUE)) == NULL)
  	return NULL;
      ga_init2(&ga, 1, 100);
      ga_concat(&ga, (char_u *)"<C-\\><C-N>:cd ");
--- 3674,3686 ----
  	mainerr_arg_missing((char_u *)filev[-1]);
      if (mch_dirname(cwd, MAXPATHL) != OK)
  	return NULL;
!     if ((p = vim_strsave_escaped_ext(cwd,
! #ifdef BACKSLASH_IN_FILENAME
! 		    "",  /* rem_backslash() will tell what chars to escape */
! #else
! 		    PATH_ESC_CHARS,
! #endif
! 		    '\\', TRUE)) == NULL)
  	return NULL;
      ga_init2(&ga, 1, 100);
      ga_concat(&ga, (char_u *)"<C-\\><C-N>:cd ");
*** ../vim-7.1.099/src/proto/if_cscope.pro	Sat May  5 19:15:39 2007
--- src/proto/if_cscope.pro	Sun Sep  2 16:51:34 2007
***************
*** 6,9 ****
--- 6,10 ----
  void cs_free_tags __ARGS((void));
  void cs_print_tags __ARGS((void));
  int cs_connection __ARGS((int num, char_u *dbpath, char_u *ppath));
+ void cs_end __ARGS((void));
  /* vim: set ft=c : */
*** ../vim-7.1.099/src/version.c	Thu Sep  6 16:33:47 2007
--- src/version.c	Thu Sep  6 17:27:51 2007
***************
*** 668,669 ****
--- 668,671 ----
  {   /* Add new patch number below this line */
+ /**/
+     100,
  /**/
 
-- 
I have to exercise early in the morning before my brain
figures out what I'm doing.
 
 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\        download, build and distribute -- http://www.A-A-P.org        ///
 \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///

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