dlls/winecrt0/exe_entry.c

   1 /*
   2  * Default entry point for an exe
   3  *
   4  * Copyright 2005 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #if 0
  22 #pragma makedep unix
  23 #endif
  24
  25 /* this is actually part of a static lib linked into a .exe.so module, not a real Unix library */
  26 #undef WINE_UNIX_LIB
  27
  28 #include <stdarg.h>
  29 #include "windef.h"
  30 #include "winbase.h"
  31 #include "winternl.h"
  32
  33 extern int main( int argc, char *argv[] );
  34 extern void __wine_init_so_dll(void);
  35
  36 static char **build_argv( const char *src, int *ret_argc )
  37 {
  38     char **argv, *arg, *dst;
  39     int argc, in_quotes = 0, bcount = 0, len = strlen(src) + 1;
  40
  41     argc = 2 + len / 2;
  42     argv = HeapAlloc( GetProcessHeap(), 0, argc * sizeof(*argv) + len );
  43     arg = dst = (char *)(argv + argc);
  44     argc = 0;
  45     while (*src)
  46     {
  47         if ((*src == ' ' || *src == '\t') && !in_quotes)
  48         {
  49             /* skip the remaining spaces */
  50             while (*src == ' ' || *src == '\t') src++;
  51             if (!*src) break;
  52             /* close the argument and copy it */
  53             *dst++ = 0;
  54             argv[argc++] = arg;
  55             /* start with a new argument */
  56             arg = dst;
  57             bcount = 0;
  58         }
  59         else if (*src == '\\')
  60         {
  61             *dst++ = *src++;
  62             bcount++;
  63         }
  64         else if (*src == '"')
  65         {
  66             if ((bcount & 1) == 0)
  67             {
  68                 /* Preceded by an even number of '\', this is half that
  69                  * number of '\', plus a '"' which we discard.
  70                  */
  71                 dst -= bcount / 2;
  72                 src++;
  73                 if (in_quotes && *src == '"') *dst++ = *src++;
  74                 else in_quotes = !in_quotes;
  75             }
  76             else
  77             {
  78                 /* Preceded by an odd number of '\', this is half that
  79                  * number of '\' followed by a '"'
  80                  */
  81                 dst -= bcount / 2 + 1;
  82                 *dst++ = *src++;
  83             }
  84             bcount = 0;
  85         }
  86         else  /* a regular character */
  87         {
  88             *dst++ = *src++;
  89             bcount = 0;
  90         }
  91     }
  92     *dst = 0;
  93     argv[argc++] = arg;
  94     argv[argc] = NULL;
  95     *ret_argc = argc;
  96     return argv;
  97 }
  98
  99 DWORD WINAPI __wine_spec_exe_entry( PEB *peb )
 100 {
 101     int argc;
 102     char **argv = build_argv( GetCommandLineA(), &argc );
 103
 104     __wine_init_so_dll();
 105     ExitProcess( main( argc, argv ));
 106 }