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

   1 /**/
   2
   3 #include <stdio.h>
   4 #include <string.h>
   5 #include <errno.h>
   6
   7 #include "ucgi.h"
   8
   9 const char *const envok[]= {
  10   "CONTENT_LENGTH",
  11   "CONTENT_TYPE",
  12   "DOCUMENT_ROOT",
  13   "GATEWAY_INTERFACE",
  14   "HTTP_ACCEPT",
  15   "HTTP_ACCEPT_ENCODING",
  16   "HTTP_ACCEPT_LANGUAGE",
  17   "HTTP_CACHE_CONTROL",
  18   "HTTP_HOST",
  19   "HTTP_NEGOTIATE",
  20   "HTTP_PRAGMA",
  21   "HTTP_USER_AGENT",
  22   "PATH_INFO",
  23   "PATH_TRANSLATED",
  24   "QUERY_STRING",
  25   "REMOTE_ADDR",
  26   "REMOTE_HOST",
  27   "REMOTE_USER",
  28   "REMOTE_IDENT",
  29   "REQUEST_METHOD",
  30   "SCRIPT_FILENAME",
  31   "SCRIPT_NAME",
  32   "SCRIPT_URI",
  33   "SCRIPT_URL",
  34   "SERVER_ADMIN",
  35   "SERVER_NAME",
  36   "SERVER_PORT",
  37   "SERVER_PROTOCOL",
  38   "SERVER_SOFTWARE",
  39   0
  40 };
  41 const int nenvok= sizeof(envok)/sizeof(envok[0]);
  42
  43 int debugmode= 0;
  44
  45 static void outerror(void) {
  46   perror("stdout");
  47   exit(debugmode ? 0 : -1);
  48 }
  49
  50 void syserror(const char *m) {
  51   if (printf("Content-Type: text/plain\n\n"
  52              "ucgi: system call error:\n"
  53              "%s: %s\n",
  54              m,strerror(errno))==EOF || fflush(stdout)) outerror();
  55   exit(0);
  56 }
  57
  58 void error(const char *m) {
  59   if (printf("Content-Type: text/plain\n\n"
  60              "ucgi: error:\n"
  61              "%s\n",
  62              m)==EOF || fflush(stdout)) outerror();
  63   exit(0);
  64 }
  65
  66 void *xmalloc(size_t sz) {
  67   void *r;
  68
  69   r= malloc(sz);
  70   if (!r) syserror("malloc failed");
  71   return r;
  72 }
  73
  74 void xsetenv(const char *en, const char *ev, int overwrite) {
  75   if (setenv(en,ev,overwrite)) syserror("setenv");
  76 }