1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
#include <stddef.h>
#include <stdio.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
/* always use the system memmove() on Mac OS X. --ryan. */
#if !defined(__APPLE__) && !defined(_MSC_VER)
#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
|
