office-gobmx/soltools/cpp/_unix.c
2010-06-17 10:13:12 +02:00

234 lines
6.3 KiB
C

#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <fcntl.h>
#if (defined(_WIN32) || defined(_MSDOS) || defined(__IBMC__))
#include <io.h>
#else
#include <unistd.h>
#endif
#include "cpp.h"
#if defined MACOSX || !defined HAVE_GETOPT
extern int stgetopt(int, char *const *, const char *);
extern char *optarg;
extern int optind;
#else
#include <getopt.h>
#endif
extern char rcsid[];
int Pflag = 0; /* print no line information */
int Iflag = 0; /* print includes */
int Mflag = 0; /* print macor expansion */
int Aflag = 0; /* translate character sets */
int Xflag = 0; /* print pragma for include/import */
int Vflag = 0; /* verbose flag */
int Cflag = 0; /* do not remove any comments */
int Dflag = 0; /* add parameter check to delete op */
int Cplusplus = 0;
extern void setup_kwtab(void);
void
setup(int argc, char **argv)
{
int c, fd, i, n;
char *fp, *dp;
Tokenrow tr;
setup_kwtab();
#if defined MACOSX || !defined HAVE_GETOPT
while ((c = stgetopt(argc, argv, "NOPV:I:D:U:F:A:X:u:l:+")) != -1)
#else
while ((c = getopt(argc, argv, "NOPV:I:D:U:F:A:X:u:l:+")) != -1)
#endif
switch (c)
{
case 'N':
for (i = 0; i < NINCLUDE; i++)
if (includelist[i].always == 1)
includelist[i].deleted = 1;
break;
case 'I':
for (i = NINCLUDE - 2; i >= 0; i--)
{
if (includelist[i].file == NULL)
{
includelist[i].always = 1;
includelist[i].file = optarg;
break;
}
}
if (i < 0)
error(FATAL, "Too many -I directives");
break;
case 'D':
case 'U':
case 'A':
setsource("<cmdarg>", -1, -1, optarg, 0);
maketokenrow(3, &tr);
gettokens(&tr, 1);
doadefine(&tr, c);
unsetsource();
break;
case 'P': /* Lineinfo */
Pflag++;
break;
case 'V':
for (n = 0; (c = optarg[n]) != '\0'; n++)
switch (c)
{
case 'i':
Iflag++;
break;
case 'm':
Mflag = 1;
break;
case 'x':
Mflag = 2;
break;
case 't':
Vflag++;
break;
case 'v':
fprintf(stderr, "%s %s\n", argv[0], rcsid);
break;
default:
error(WARNING, "Unknown verbose option %c", c);
}
break;
case 'X':
for (n = 0; (c = optarg[n]) != '\0'; n++)
switch (c)
{
case 'a':
Aflag++;
break;
case 'i':
Xflag++;
break;
case 'c':
Cflag++;
break;
case 'd':
Dflag++;
break;
case 'w':
dp = &optarg[n + 1];
n += strlen(dp);
while (isspace(*dp)) dp++;
for (i = NINCLUDE - 1; i >= 0; i--)
{
if (wraplist[i].file == NULL)
{
wraplist[i].file = dp;
break;
}
}
if (i < 0)
error(WARNING, "Too many -Xw directives");
break;
default:
error(WARNING, "Unknown extension option %c", c);
}
break;
case '+':
Cplusplus++;
break;
case 'u': /* -undef fuer GCC (dummy) */
case 'l': /* -lang-c++ fuer GCC (dummy) */
break;
default:
break;
}
dp = ".";
fp = "<stdin>";
fd = 0;
if (optind < argc)
{
if ((fp = strrchr(argv[optind], '/')) != NULL)
{
int len = fp - argv[optind];
dp = (char *) newstring((uchar *) argv[optind], len + 1, 0);
dp[len] = '\0';
}
fp = (char *) newstring((uchar *) argv[optind], strlen(argv[optind]), 0);
if ((fd = open(fp, O_RDONLY)) <= 0)
error(FATAL, "Can't open input file %s", fp);
}
if (optind + 1 < argc)
{
int fdo = creat(argv[optind + 1], 0666);
if (fdo < 0)
error(FATAL, "Can't open output file %s", argv[optind + 1]);
dup2(fdo, 1);
}
includelist[NINCLUDE - 1].always = 0;
includelist[NINCLUDE - 1].file = dp;
setsource(fp, -1, fd, NULL, 0);
}
/* memmove is defined here because some vendors don't provide it at
all and others do a terrible job (like calling malloc) */
#if !defined(__IBMC__) && !defined(_WIN32) && !defined(__GLIBC__)
void *
memmove(void *dp, const void *sp, size_t n)
{
unsigned char *cdp, *csp;
if (n <= 0)
return 0;
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 0;
}
#endif