src/os_w32exe.c

   1 /* vi:set ts=8 sts=4 sw=4:
   2  *
   3  * VIM - Vi IMproved            by Bram Moolenaar
   4  *                              GUI support by Robert Webb
   5  *
   6  * Do ":help uganda"  in Vim to read copying and usage conditions.
   7  * Do ":help credits" in Vim to see a list of people who contributed.
   8  * See README.txt for an overview of the Vim source code.
   9  */
  10 /*
  11  * Windows GUI: main program (EXE) entry point:
  12  *
  13  * Ron Aaron <ronaharon@yahoo.com> wrote this and  the DLL support code.
  14  */
  15 #include "vim.h"
  16
  17 #ifdef __MINGW32__
  18 # ifndef _cdecl
  19 #  define _cdecl
  20 # endif
  21 #endif
  22
  23 /* cproto doesn't create a prototype for main() */
  24 int _cdecl
  25 #if defined(FEAT_GUI_W32)
  26 VimMain
  27 #else
  28     main
  29 #endif
  30         __ARGS((int argc, char **argv));
  31 static int (_cdecl *pmain)(int, char **);
  32
  33 #ifndef PROTO
  34 #ifdef FEAT_GUI
  35 #ifndef VIMDLL
  36 void _cdecl SaveInst(HINSTANCE hInst);
  37 #endif
  38 static void (_cdecl *pSaveInst)(HINSTANCE);
  39 #endif
  40
  41 /*ARGSUSED*/
  42     int WINAPI
  43 WinMain(
  44     HINSTANCE   hInstance,
  45     HINSTANCE   hPrevInst,
  46     LPSTR       lpszCmdLine,
  47     int         nCmdShow)
  48 {
  49     int         argc = 0;
  50     char        **argv;
  51     char        *tofree;
  52     char        prog[256];
  53 #ifdef VIMDLL
  54     char        *p;
  55     HANDLE      hLib;
  56 #endif
  57
  58     /* Ron: added full path name so that the $VIM variable will get set to our
  59      * startup path (so the .vimrc file can be found w/o a VIM env. var.) */
  60     GetModuleFileName(NULL, prog, 255);
  61
  62     argc = get_cmd_args(prog, (char *)lpszCmdLine, &argv, &tofree);
  63     if (argc == 0)
  64     {
  65         MessageBox(0, "Could not allocate memory for command line.",
  66                                                               "VIM Error", 0);
  67         return 0;
  68     }
  69
  70 #ifdef DYNAMIC_GETTEXT
  71     /* Initialize gettext library */
  72     dyn_libintl_init(NULL);
  73 #endif
  74
  75 #ifdef VIMDLL
  76     // LoadLibrary - get name of dll to load in here:
  77     p = strrchr(prog, '\\');
  78     if (p != NULL)
  79     {
  80 # ifdef DEBUG
  81         strcpy(p+1, "vim32d.dll");
  82 # else
  83         strcpy(p+1, "vim32.dll");
  84 # endif
  85     }
  86     hLib = LoadLibrary(prog);
  87     if (hLib == NULL)
  88     {
  89         MessageBox(0, _("Could not load vim32.dll!"), _("VIM Error"), 0);
  90         goto errout;
  91     }
  92     // fix up the function pointers
  93 # ifdef FEAT_GUI
  94     pSaveInst = GetProcAddress(hLib, (LPCSTR)2);
  95 # endif
  96     pmain = GetProcAddress(hLib, (LPCSTR)1);
  97     if (pmain == NULL)
  98     {
  99         MessageBox(0, _("Could not fix up function pointers to the DLL!"),
 100                                                             _("VIM Error"),0);
 101         goto errout;
 102     }
 103 #else
 104 # ifdef FEAT_GUI
 105     pSaveInst = SaveInst;
 106 # endif
 107     pmain =
 108 # if defined(FEAT_GUI_W32)
 109     //&& defined(__MINGW32__)
 110         VimMain
 111 # else
 112         main
 113 # endif
 114         ;
 115 #endif
 116 #ifdef FEAT_GUI
 117     pSaveInst(
 118 #ifdef __MINGW32__
 119             GetModuleHandle(NULL)
 120 #else
 121             hInstance
 122 #endif
 123             );
 124 #endif
 125     pmain(argc, argv);
 126
 127 #ifdef VIMDLL
 128     FreeLibrary(hLib);
 129 errout:
 130 #endif
 131     free(argv);
 132     if (tofree != NULL)
 133         free(tofree);
 134 #ifdef FEAT_MBYTE
 135     free_cmd_argsW();
 136 #endif
 137
 138     return 0;
 139 }
 140 #endif