mirror of
https://github.com/DrBeef/ioq3quest.git
synced 2024-11-14 08:31:00 +00:00
128 lines
2.5 KiB
C
128 lines
2.5 KiB
C
#include <stdio.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include "cpp.h"
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extern int lcc_getopt(int, char *const *, const char *);
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extern char *optarg, rcsid[];
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extern int optind;
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int verbose;
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int Mflag; /* only print active include files */
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char *objname; /* "src.$O: " */
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int Cplusplus = 1;
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void
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setup(int argc, char **argv)
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{
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int c, fd, i;
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char *fp, *dp;
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Tokenrow tr;
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extern void setup_kwtab(void);
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uchar *includeDirs[ NINCLUDE ] = { 0 };
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int numIncludeDirs = 0;
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setup_kwtab();
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while ((c = lcc_getopt(argc, argv, "MNOVv+I:D:U:F:lg")) != -1)
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switch (c) {
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case 'N':
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for (i=0; i<NINCLUDE; i++)
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if (includelist[i].always==1)
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includelist[i].deleted = 1;
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break;
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case 'I':
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includeDirs[ numIncludeDirs++ ] = newstring( (uchar *)optarg, strlen( optarg ), 0 );
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break;
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case 'D':
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case 'U':
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setsource("<cmdarg>", -1, optarg);
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maketokenrow(3, &tr);
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gettokens(&tr, 1);
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doadefine(&tr, c);
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unsetsource();
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break;
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case 'M':
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Mflag++;
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break;
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case 'v':
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fprintf(stderr, "%s %s\n", argv[0], rcsid);
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break;
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case 'V':
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verbose++;
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break;
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case '+':
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Cplusplus++;
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break;
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default:
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break;
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}
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dp = ".";
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fp = "<stdin>";
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fd = 0;
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if (optind<argc) {
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dp = basepath( argv[optind] );
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fp = (char*)newstring((uchar*)argv[optind], strlen(argv[optind]), 0);
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if ((fd = open(fp, 0)) <= 0)
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error(FATAL, "Can't open input file %s", fp);
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}
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if (optind+1<argc) {
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int fdo = creat(argv[optind+1], 0666);
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if (fdo<0)
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error(FATAL, "Can't open output file %s", argv[optind+1]);
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dup2(fdo, 1);
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}
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if(Mflag)
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setobjname(fp);
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includelist[NINCLUDE-1].always = 0;
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includelist[NINCLUDE-1].file = dp;
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for( i = 0; i < numIncludeDirs; i++ )
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appendDirToIncludeList( (char *)includeDirs[ i ] );
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setsource(fp, fd, NULL);
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}
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char *basepath( char *fname )
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{
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char *dp = ".";
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char *p;
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if ((p = strrchr(fname, '/')) != NULL) {
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int dlen = p - fname;
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dp = (char*)newstring((uchar*)fname, dlen+1, 0);
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dp[dlen] = '\0';
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}
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return dp;
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}
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/* memmove is defined here because some vendors don't provide it at
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all and others do a terrible job (like calling malloc) */
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// -- ouch, that hurts -- ln
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#ifndef MACOS_X /* always use the system memmove() on Mac OS X. --ryan. */
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#ifdef memmove
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#undef memmove
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#endif
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void *
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memmove(void *dp, const void *sp, size_t n)
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{
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unsigned char *cdp, *csp;
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if (n<=0)
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return 0;
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cdp = dp;
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csp = (unsigned char *)sp;
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if (cdp < csp) {
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do {
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*cdp++ = *csp++;
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} while (--n);
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} else {
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cdp += n;
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csp += n;
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do {
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*--cdp = *--csp;
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} while (--n);
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}
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return 0;
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}
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#endif
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