From 44aa54e35beafb479f298c031880097785fb362e Mon Sep 17 00:00:00 2001
From: Joey Schulze <joey@infodrom.org>
Date: Sat, 14 Feb 1998 22:25:00 +0000
Subject: [PATCH 1/1] Import of IN-GS source

---
 cgi.c | 97 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 cgi.h | 40 ++++++++++++++++++++++++
 2 files changed, 137 insertions(+)
 create mode 100644 cgi.c
 create mode 100644 cgi.h

diff --git a/cgi.c b/cgi.c
new file mode 100644
index 0000000..5bdb2f1
--- /dev/null
+++ b/cgi.c
@@ -0,0 +1,97 @@
+/*
+    cgi.c - Ein paar Routinen fuer die Programmierung von CGI-Programmen
+    Copyright (c) 1996  Martin Schulze <joey@office.individual.net>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "cgi.h"
+
+c_var *cgiParseVar (char *binding)
+{
+  c_var *result;
+  char *ip;
+
+  if ((ip = (char *)index(binding, '=')) == NULL)
+    return NULL;
+  if (((result = (c_var *)malloc(sizeof(c_var))) == NULL)
+      ||((result->name = (char *)malloc(ip - binding +1)) == NULL)
+      ||((result->value = (char *)malloc(strlen(ip))) == NULL))
+    return NULL;
+
+  bzero(result->name,sizeof(result->name));
+  bzero(result->value,sizeof(result->value));
+  strncpy (result->name, binding, ip++ - binding);
+  strcpy (result->value, ip);
+
+  return result;
+}
+
+c_var **cgiParseInput ()
+{
+  int length;
+  char *line;
+  char frag[50];
+  int numargs;
+  char *cp, *ip;
+  c_var **result;
+  int i;
+
+  if (!getenv("CONTENT_LENGTH"))
+    return NULL;
+  length = atoi(getenv("CONTENT_LENGTH"));
+  if ((line = (char *)malloc (length+2)) == NULL)
+    return NULL;
+
+  fgets(line, length+1, stdin);
+
+  /* line contains all values stored like okz=0923&plz=23 */
+  for (numargs=1,cp=line; *cp; cp++)
+    if (*cp == '&') numargs++;
+  if ((result = (c_var **)malloc((numargs * sizeof(c_var *))+1)) == NULL)
+    return NULL;
+
+  cp = line;
+  i=0;
+  while ((ip = (char *)index(cp, '&')) != NULL) {
+    bzero (frag, sizeof(frag));
+    strncpy (frag, cp, ip - cp);
+    result[i++] = cgiParseVar(frag);
+    cp = ++ip;
+  }
+  result[i++] = cgiParseVar(cp);
+  result[i] = NULL;
+
+/*
+  for (i=0;result[i]; i++)
+    printf ("%s=%s<br>\n", result[i]->name,result[i]->value);
+*/
+
+  return result;
+}
+
+char *cgiGetValue(c_var **parms, const char *var)
+{
+  int i;
+
+  if (parms)
+    for (i=0;parms[i]; i++)
+      if (!strcmp(var,parms[i]->name))
+	return parms[i]->value;
+  return NULL;
+}
diff --git a/cgi.h b/cgi.h
new file mode 100644
index 0000000..34b5751
--- /dev/null
+++ b/cgi.h
@@ -0,0 +1,40 @@
+/*
+    cgi.h - Ein paar Routinen fuer die Programmierung von CGI-Programmen
+    Copyright (c) 1996  Martin Schulze <joey@office.individual.net>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _CGI_H_
+#define _CGI_H_
+
+typedef struct var_s {
+	char	*name,
+		*value;
+} c_var;
+
+/*
+   cgiParseInput
+   liest die Variablen eines POST-Aufrufes und gibt sie zurueck.
+ */
+c_var **cgiParseInput ();
+
+/*
+   cgiGetValue
+   gibt den Wert der Variablen zurueck oder NULL.
+ */
+char *cgiGetValue(c_var **parms, const char *var);
+
+#endif /* _CGI_H_ */
-- 
2.20.1