Modules/config.c.in

   1 /* -*- C -*- ***********************************************
   2 Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
   3 Amsterdam, The Netherlands.
   4
   5                         All Rights Reserved
   6
   7 Permission to use, copy, modify, and distribute this software and its
   8 documentation for any purpose and without fee is hereby granted,
   9 provided that the above copyright notice appear in all copies and that
  10 both that copyright notice and this permission notice appear in
  11 supporting documentation, and that the names of Stichting Mathematisch
  12 Centrum or CWI not be used in advertising or publicity pertaining to
  13 distribution of the software without specific, written prior permission.
  14
  15 STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
  16 THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
  17 FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
  18 FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  19 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  20 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
  21 OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  22
  23 ******************************************************************/
  24
  25 /* Universal Python configuration file */
  26
  27 #ifdef HAVE_CONFIG_H
  28 #include "config.h"
  29 #endif
  30
  31 #include <stdio.h>
  32 #include <string.h>
  33
  34 #include "myproto.h"
  35 #include "mymalloc.h"
  36 #include "osdefs.h"
  37 #include "intrcheck.h"
  38
  39
  40 #ifndef NO_MAIN
  41
  42 /* Normally, the main program is called from here (so everything else
  43    can be in libPython.a).  We save a pointer to argv[0] because it
  44    may be needed for dynamic loading of modules in import.c.  If you
  45    have your own main program and want to use non-SunOS dynamic
  46    loading, you will have to provide your own version of
  47    getprogramname(). */
  48
  49 static char *argv0;
  50
  51 main(argc, argv)
  52         int argc;
  53         char **argv;
  54 {
  55 #ifdef macintosh
  56         wargs(&argc, &argv);
  57 #endif
  58         argv0 = argv[0];
  59         realmain(argc, argv);
  60 }
  61
  62 char *
  63 getprogramname()
  64 {
  65         return argv0;
  66 }
  67
  68 #endif
  69
  70
  71 /* Return the initial python search path.  This is called once from
  72    initsys() to initialize sys.path.
  73    The environment variable PYTHONPATH is fetched and the default path
  74    appended.  (The Mac has no environment variables, so there the
  75    default path is always returned.)  The default path may be passed
  76    to the preprocessor; if not, a system-dependent default is used. */
  77
  78 #ifndef PYTHONPATH
  79 #ifdef macintosh
  80 #define PYTHONPATH ": :Lib :Lib:stdwin :Demo"
  81 #endif /* macintosh */
  82 #endif /* !PYTHONPATH */
  83
  84 #ifndef PYTHONPATH
  85 #ifdef MSDOS
  86 #define PYTHONPATH ".;..\\lib;\\python\\lib"
  87 #endif /* MSDOS */
  88 #endif /* !PYTHONPATH */
  89
  90 #ifndef PYTHONPATH
  91 #define PYTHONPATH ".:/usr/local/lib/python"
  92 #endif /* !PYTHONPATH */
  93
  94 extern char *getenv();
  95
  96 char *
  97 getpythonpath()
  98 {
  99 #ifdef macintosh
 100         return PYTHONPATH;
 101 #else /* !macintosh */
 102         char *path = getenv("PYTHONPATH");
 103         char *defpath = PYTHONPATH;
 104         char *buf;
 105         char *p;
 106         int n;
 107
 108         if (path == 0 || *path == '\0')
 109                 return defpath;
 110         n = strlen(path) + strlen(defpath) + 2;
 111         buf = malloc(n);
 112         if (buf == NULL)
 113                 return path; /* XXX too bad -- but not likely */
 114         strcpy(buf, path);
 115         p = buf + strlen(buf);
 116         *p++ = DELIM;
 117         strcpy(p, defpath);
 118         return buf;
 119 #endif /* !macintosh */
 120 }
 121
 122
 123 /* Table of built-in modules.
 124    These are initialized when first imported.
 125    Note: selection of optional extensions is now generally done by the
 126    makesetup script. */
 127
 128 /* -- ADDMODULE MARKER 1 -- */
 129
 130 extern void initmarshal();
 131
 132 struct {
 133         char *name;
 134         void (*initfunc)();
 135 } inittab[] = {
 136
 137 /* -- ADDMODULE MARKER 2 -- */
 138
 139         /* This module "lives in" with marshal.c */
 140         {"marshal", initmarshal},
 141
 142         /* These entries are here for sys.builtin_module_names */
 143         {"__main__", NULL},
 144         {"__builtin__", NULL},
 145         {"sys", NULL},
 146
 147         /* Sentinel */
 148         {0, 0}
 149 };
 150
 151 #ifdef USE_FROZEN
 152 #include "frozen.c"
 153 #else
 154 struct frozen {
 155         char *name;
 156         char *code;
 157         int size;
 158 } frozen_modules[] = {
 159         {0, 0, 0}
 160 };
 161 #endif