IRIX compatibility (yuck!)

CHANGES

@@ -11,6 +11,7 @@
     but TCP?  never heard of it")
   remove even more warnings
   64-bit cleanliness issue with auto-NULL-appending macros
+  IRIX compatibility (yuck!)
 
 0.22:
   uh, the scope_id detection #defined the wrong constant.  libowfat

io/io_passfd.c

@@ -7,6 +7,7 @@ int io_passfd(int64 sock,int64 fd) {
 }
 #else
 
+#define _XOPEN_SOURCE
 #include <stddef.h>
 #include <sys/types.h>
 #include <sys/socket.h>

io/io_receivefd.c

@@ -7,6 +7,7 @@ int64 io_receivefd(int64 sock) {
 }
 #else
 
+#define _XOPEN_SOURCE
 #include <stddef.h>
 #include <sys/types.h>
 #include <sys/socket.h>

scan/scan_httpdate.c

@@ -6,6 +6,10 @@
 #include <time.h>
 #include <stdlib.h>
 
+#ifdef sgi
+extern char** environ;
+#endif
+
 static int parsetime(const char*c,struct tm* x) {
   unsigned long tmp;
   c+=scan_ulong(c,&tmp); x->tm_hour=tmp;
@@ -61,10 +65,18 @@ done:
   *t=timegm(&x);
 #else
   {
+#ifdef sgi
+    char** old=environ;
+    char** newenv={0};
+    environ=newenv;
+    *t=mktime(&x);
+    environ=old;
+#else
     char* old=getenv("TZ");
     unsetenv("TZ");
     *t=mktime(&x);
     if (old) setenv("TZ",old,1);
+#endif
   }
 #endif
   return c-in;

trysendfile.c

@@ -81,4 +81,8 @@ int main() {
 
 #else
 #error unsupported architecture
+/* stupid fucking IRIX c99 does not signal #error via a non-zero exit
+ * code!  ARGH!  So insert a parse error */
+#include rumpelstilzchen
+) 
 #endif