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
|
/* netpbm.c - merge of all the Netpbm programs
Derived from pbmmerge.c, etc. by Bryan Henderson May 2002. Copyright
notice from pbmmerge.c, etc:
**
** Copyright (C) 1991 by Jef Poskanzer.
**
** 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. This software is provided "as is" without express or
** implied warranty.
*/
/* Note: be careful using any Netpbm library functions in here, since
we don't call pm_proginit()
*/
#include <stdio.h>
#include <string.h>
#include "pam.h"
#include "nstring.h"
#define TRY(s,m) { \
extern int m(int argc, char *argv[]); \
if (streq(cp, s)) exit(m(argc, argv)); \
}
int
main(int argc, char *argv[]) {
const char * cp;
if (streq(pm_arg0toprogname(argv[0]), "netpbm")) {
++argv;
--argc;
if (argc < 1 || !*argv) {
fprintf(stderr,
"When you invoke this program by the name 'netpbm', "
"You must supply at least one argument: the name of "
"the Netpbm program to run, e.g. "
"'netpbm pamfile /tmp/myfile.ppm'\n");
exit(1);
}
}
cp = pm_arg0toprogname(argv[0]);
/* merge.h is an automatically generated file that generates code to
match the string 'cp' against the name of every program that is part
of this merge and, upon finding a match, invoke that program.
*/
/* The following inclusion is full of TRY macro invocations */
#include "mergetrylist"
fprintf(stderr,"'%s' is an unknown Netpbm program name \n", cp );
exit(1);
}
|
