Fix warnigs - mostly main() complaints.
[catagits/fcgi2.git] / examples / echo2.c
1 /*
2  * echo2.c --
3  *
4  *      Produce a page containing all the inputs (fcgiapp version)
5  *
6  *
7  * Copyright (c) 1996 Open Market, Inc.
8  *
9  * See the file "LICENSE.TERMS" for information on usage and redistribution
10  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
11  *
12  */
13
14 #ifndef lint
15 static const char rcsid[] = "$Id: echo2.c,v 1.4 1999/07/26 05:33:00 roberts Exp $";
16 #endif /* not lint */
17
18 #if defined HAVE_UNISTD_H || __linux__
19 #include <unistd.h>
20 #endif
21
22 #include <stdlib.h>
23 #include "fcgiapp.h"
24
25 #ifdef _WIN32
26 #include <process.h>
27 #else
28 extern char **environ;
29 #endif
30
31 static void PrintEnv(FCGX_Stream *out, char *label, char **envp)
32 {
33     FCGX_FPrintF(out, "%s:<br>\n<pre>\n", label);
34     for( ; *envp != NULL; envp++) {
35         FCGX_FPrintF(out, "%s\n", *envp);
36     }
37     FCGX_FPrintF(out, "</pre><p>\n");
38 }
39
40 int main ()
41 {
42     FCGX_Stream *in, *out, *err;
43     FCGX_ParamArray envp;
44     int count = 0;
45
46     while (FCGX_Accept(&in, &out, &err, &envp) >= 0) {
47         char *contentLength = FCGX_GetParam("CONTENT_LENGTH", envp);
48         int len = 0;
49
50         FCGX_FPrintF(out,
51            "Content-type: text/html\r\n"
52            "\r\n"
53            "<title>FastCGI echo (fcgiapp version)</title>"
54            "<h1>FastCGI echo (fcgiapp version)</h1>\n"
55            "Request number %d,  Process ID: %d<p>\n", ++count, getpid());
56
57         if (contentLength != NULL)
58             len = strtol(contentLength, NULL, 10);
59
60         if (len <= 0) {
61             FCGX_FPrintF(out, "No data from standard input.<p>\n");
62         }
63         else {
64             int i, ch;
65
66             FCGX_FPrintF(out, "Standard input:<br>\n<pre>\n");
67             for (i = 0; i < len; i++) {
68                 if ((ch = FCGX_GetChar(in)) < 0) {
69                     FCGX_FPrintF(out,
70                         "Error: Not enough bytes received on standard input<p>\n");
71                     break;
72                 }
73                 FCGX_PutChar(ch, out);
74             }
75             FCGX_FPrintF(out, "\n</pre><p>\n");
76         }
77
78         PrintEnv(out, "Request environment", envp);
79         PrintEnv(out, "Initial environment", environ);
80     } /* while */
81
82     exit(0);
83 }