mdw@git.distorted.org.uk Git - userv-utils/blob - www-cgi/ucgicommon.c

   1 /**/
   2
   3 #include <stdio.h>
   4 #include <string.h>
   5
   6 #include "ucgi.h"
   7
   8 const char *const envok[]= {
   9   "CONTENT_LENGTH",
  10   "CONTENT_TYPE",
  11   "DOCUMENT_ROOT",
  12   "GATEWAY_INTERFACE",
  13   "HTTP_ACCEPT",
  14   "HTTP_ACCEPT_ENCODING",
  15   "HTTP_ACCEPT_LANGUAGE",
  16   "HTTP_CACHE_CONTROL",
  17   "HTTP_HOST",
  18   "HTTP_NEGOTIATE",
  19   "HTTP_PRAGMA",
  20   "HTTP_USER_AGENT",
  21   "PATH_INFO",
  22   "PATH_TRANSLATED",
  23   "QUERY_STRING",
  24   "REMOTE_ADDR",
  25   "REMOTE_HOST",
  26   "REMOTE_USER",
  27   "REMOTE_IDENT",
  28   "REQUEST_METHOD",
  29   "SCRIPT_FILENAME",
  30   "SCRIPT_NAME",
  31   "SCRIPT_URI",
  32   "SCRIPT_URL",
  33   "SERVER_ADMIN",
  34   "SERVER_NAME",
  35   "SERVER_PORT",
  36   "SERVER_PROTOCOL",
  37   "SERVER_SOFTWARE",
  38   0
  39 };
  40 const int nenvok= sizeof(envok)/sizeof(envok[0]);
  41
  42 int debugmode= 0;
  43
  44 static void outerror(void) {
  45   perror("stdout");
  46   exit(debugmode ? 0 : -1);
  47 }
  48
  49 void syserror(const char *m) {
  50   if (printf("Content-Type: text/plain\n\n"
  51              "ucgi: system call error:\n"
  52              "%s: %s\n",
  53              m,strerror(errno))==EOF || fflush(stdout)) outerror();
  54   exit(0);
  55 }
  56
  57 void error(const char *m) {
  58   if (printf("Content-Type: text/plain\n\n"
  59              "ucgi: error:\n"
  60              "%s\n",
  61              m)==EOF || fflush(stdout)) outerror();
  62   exit(0);
  63 }
  64
  65 void *xmalloc(size_t sz) {
  66   void *r;
  67
  68   r= malloc(sz);
  69   if (!r) syserror("malloc failed");
  70   return r;
  71 }
  72
  73 void xsetenv(const char *en, const char *ev, int overwrite) {
  74   if (setenv(en,ev,overwrite)) syserror("setenv");
  75 }