| 1 | /* Copyright (C) 1989, 1992 Aladdin Enterprises. All rights reserved. |
| 2 | Distributed by Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of Ghostscript. |
| 5 | |
| 6 | Ghostscript is distributed in the hope that it will be useful, but |
| 7 | WITHOUT ANY WARRANTY. No author or distributor accepts responsibility |
| 8 | to anyone for the consequences of using it or for whether it serves any |
| 9 | particular purpose or works at all, unless he says so in writing. Refer |
| 10 | to the Ghostscript General Public License for full details. |
| 11 | |
| 12 | Everyone is granted permission to copy, modify and redistribute |
| 13 | Ghostscript, but only under the conditions described in the Ghostscript |
| 14 | General Public License. A copy of this license is supposed to have been |
| 15 | given to you along with Ghostscript so you can know your rights and |
| 16 | responsibilities. It should be in a file named COPYING. Among other |
| 17 | things, the copyright notice and this notice must be preserved on all |
| 18 | copies. */ |
| 19 | |
| 20 | /* gconfig.c */ |
| 21 | /* Installed device table for Ghostscript */ |
| 22 | #include "ghost.h" |
| 23 | /* |
| 24 | * Since we only declare variables of type gx_device *, |
| 25 | * it should be sufficient to define struct gx_device_s as |
| 26 | * an abstract (undefined) structure. However, the VAX VMS compiler |
| 27 | * isn't happy with this, so we have to include the full definition. |
| 28 | */ |
| 29 | #include "gxdevice.h" |
| 30 | /* |
| 31 | * We generate an array of strings as a static structure: |
| 32 | */ |
| 33 | #define ref_(t) struct { struct tas_s tas; t value; } |
| 34 | #define string_v(n,s)\ |
| 35 | { {(t_string<<r_type_shift)+a_read+a_execute, n}, s } |
| 36 | |
| 37 | /* |
| 38 | * The Ghostscript makefile generates the file gconfig.h, which consists of |
| 39 | * lines of the form |
| 40 | * device_(gs_xxx_device) |
| 41 | * for each installed device, |
| 42 | * oper_(zxxx_op_defs) |
| 43 | * for each operator option, and |
| 44 | * psfile_("gs_xxxx.ps") |
| 45 | * for each optional initialization file. |
| 46 | * |
| 47 | * We include this file multiple times to generate various different |
| 48 | * source structures. (It's a hack, but we haven't come up with anything |
| 49 | * more satisfactory.) |
| 50 | */ |
| 51 | |
| 52 | /* Here is where the library search path and the name of the */ |
| 53 | /* initialization file are defined. We supply defaults just in case */ |
| 54 | /* someone compiles the file without the proper command line flags. */ |
| 55 | #ifndef GS_LIB_DEFAULT |
| 56 | # define GS_LIB_DEFAULT "" |
| 57 | #endif |
| 58 | #ifndef GS_INIT |
| 59 | # define GS_INIT "gs_init.ps" |
| 60 | #endif |
| 61 | const char *gs_lib_default_path = GS_LIB_DEFAULT; |
| 62 | const char *gs_init_file = GS_INIT; |
| 63 | |
| 64 | /* Optional operators are handled in iinit.c. */ |
| 65 | #define oper_(defs) |
| 66 | |
| 67 | #define psfile_(fns) |
| 68 | |
| 69 | /* Declare the devices as extern. */ |
| 70 | #define device_(dev) extern gx_device dev; |
| 71 | #include "gconfig.h" |
| 72 | #undef device_ |
| 73 | |
| 74 | /* Set up the device table. */ |
| 75 | #define device_(dev) &dev, |
| 76 | gx_device *gx_device_list[] = { |
| 77 | #include "gconfig.h" |
| 78 | 0 |
| 79 | }; |
| 80 | #undef device_ |
| 81 | #define device_(dev) |
| 82 | |
| 83 | /* Set up the .ps file name string array. */ |
| 84 | /* We fill in the lengths at initialization time. */ |
| 85 | #define ref_(t) struct { struct tas_s tas; t value; } |
| 86 | #define string_(s)\ |
| 87 | { {(t_string<<r_type_shift)+a_read+a_execute, 0}, s }, |
| 88 | #undef psfile_ |
| 89 | #define psfile_(fns) string_(fns) |
| 90 | ref_(const char *) gs_init_file_array[] = { |
| 91 | #include "gconfig.h" |
| 92 | string_(0) |
| 93 | }; |
| 94 | |
| 95 | /* Some C compilers insist on executable code here, so.... */ |
| 96 | void |
| 97 | gconfig_dummy() |
| 98 | { |
| 99 | } |