ioef/code/tools/lcc/cpp/unix.c
Zack Middleton bd2af6e4ea Use MSVC mode marcos for creat in q3cpp on Windows
Using unix mode 0666 for creat was causing crashes when compiled with MSVC.
So use the marcos recommended by MSDN. MinGW also has the marcos, so apply
to Windows builds in general.
2015-01-07 19:27:59 -06:00

134 lines
2.7 KiB
C

#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include "cpp.h"
extern int lcc_getopt(int, char *const *, const char *);
extern char *optarg, rcsid[];
extern int optind;
int verbose;
int Mflag; /* only print active include files */
char *objname; /* "src.$O: " */
int Cplusplus = 1;
void
setup(int argc, char **argv)
{
int c, fd, i;
char *fp, *dp;
Tokenrow tr;
extern void setup_kwtab(void);
uchar *includeDirs[ NINCLUDE ] = { 0 };
int numIncludeDirs = 0;
setup_kwtab();
while ((c = lcc_getopt(argc, argv, "MNOVv+I:D:U:F:lg")) != -1)
switch (c) {
case 'N':
for (i=0; i<NINCLUDE; i++)
if (includelist[i].always==1)
includelist[i].deleted = 1;
break;
case 'I':
includeDirs[ numIncludeDirs++ ] = newstring( (uchar *)optarg, strlen( optarg ), 0 );
break;
case 'D':
case 'U':
setsource("<cmdarg>", -1, optarg);
maketokenrow(3, &tr);
gettokens(&tr, 1);
doadefine(&tr, c);
unsetsource();
break;
case 'M':
Mflag++;
break;
case 'v':
fprintf(stderr, "%s %s\n", argv[0], rcsid);
break;
case 'V':
verbose++;
break;
case '+':
Cplusplus++;
break;
default:
break;
}
dp = ".";
fp = "<stdin>";
fd = 0;
if (optind<argc) {
dp = basepath( argv[optind] );
fp = (char*)newstring((uchar*)argv[optind], strlen(argv[optind]), 0);
if ((fd = open(fp, 0)) <= 0)
error(FATAL, "Can't open input file %s", fp);
}
if (optind+1<argc) {
int fdo;
#ifdef WIN32
fdo = creat(argv[optind+1], _S_IREAD | _S_IWRITE);
#else
fdo = creat(argv[optind+1], 0666);
#endif
if (fdo<0)
error(FATAL, "Can't open output file %s", argv[optind+1]);
dup2(fdo, 1);
}
if(Mflag)
setobjname(fp);
includelist[NINCLUDE-1].always = 0;
includelist[NINCLUDE-1].file = dp;
for( i = 0; i < numIncludeDirs; i++ )
appendDirToIncludeList( (char *)includeDirs[ i ] );
setsource(fp, fd, NULL);
}
char *basepath( char *fname )
{
char *dp = ".";
char *p;
if ((p = strrchr(fname, '/')) != NULL) {
int dlen = p - fname;
dp = (char*)newstring((uchar*)fname, dlen+1, 0);
dp[dlen] = '\0';
}
return dp;
}
/* memmove is defined here because some vendors don't provide it at
all and others do a terrible job (like calling malloc) */
// -- ouch, that hurts -- ln
#ifndef MACOS_X /* always use the system memmove() on Mac OS X. --ryan. */
#ifdef memmove
#undef memmove
#endif
void *
memmove(void *dp, const void *sp, size_t n)
{
unsigned char *cdp, *csp;
if (n<=0)
return dp;
cdp = dp;
csp = (unsigned char *)sp;
if (cdp < csp) {
do {
*cdp++ = *csp++;
} while (--n);
} else {
cdp += n;
csp += n;
do {
*--cdp = *--csp;
} while (--n);
}
return dp;
}
#endif