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/*
* wconfig.c
*
* Copyright 1995,1996 by the Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
*
* Program to take the place of the configure shell script under DOS.
* The makefile.in files are constructed in such a way that all this
* program needs to do is uncomment lines beginning ##DOS by removing the
* first 5 characters of the line. This will allow lines like:
* ##DOS!include windows.in to become: !include windows.in
*
* We also turn any line beginning with '@' into a blank line.
*
* If a config directory is specified, then the output will be start with
* config\pre.in, then the filtered stdin text, and will end with
* config\post.in.
*
* Syntax: wconfig [config_directory] <input_file >output_file
*
*/
#include <stdio.h>
#include <string.h>
static int copy_file (char *path, char *fname);
int main(int argc, char *argv[])
{
if (argc == 2) /* Config directory given */
copy_file (argv[1], "\\windows.in"); /* Send out prefix */
copy_file("", "-");
if (argc == 2) /* Config directory given */
copy_file (argv[1], "\\win-post.in"); /* Send out postfix */
return 0;
}
char *ignore_list[] = {
"DOS##",
"DOS",
#ifdef _MSDOS
"WIN16##",
#endif
#ifdef _WIN32
"WIN32##",
#endif
0
};
/*
*
* Copy_file
*
* Copies file 'path\fname' to stdout.
*
*/
static int
copy_file (char *path, char *fname)
{
FILE *fin;
char buf[1024];
char **cpp, *ptr;
int len;
if (strcmp(fname, "-") == 0) {
fin = stdin;
} else {
strcpy (buf, path); /* Build up name to open */
strcat (buf, fname);
fin = fopen (buf, "r"); /* File to read */
if (fin == NULL)
return 1;
}
while (fgets (buf, sizeof(buf), fin) != NULL) { /* Copy file over */
if (buf[0] == '@') {
fputs("\n", stdout);
continue;
}
if (buf[0] != '#' || buf[1] != '#') {
fputs(buf, stdout);
continue;
}
ptr = buf;
for (cpp = ignore_list; *cpp; cpp++) {
len = strlen(*cpp);
if (memcmp (*cpp, buf+2, len) == 0) {
ptr += 2+len;
break;
}
}
fputs(ptr, stdout);
}
fclose (fin);
return 0;
}
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