Add #pragma once directives in all our headers, for safety.

src/common/fuzz.h

@@ -10,6 +10,8 @@
  *  See http://www.wtfpl.net/ for more details.
  */
 
+#pragma once
+
 /*
  *  fuzz.h: fuzz functions
  */

src/common/random.h

@@ -10,6 +10,8 @@
  *  See http://www.wtfpl.net/ for more details.
  */
 
+#pragma once
+
 /*
  *  random.h: pseudorandom number generator
  */

src/common/ranges.h

@@ -10,6 +10,8 @@
  *  See http://www.wtfpl.net/ for more details.
  */
 
+#pragma once
+
 /*
  *  ranges.c: range handling helper functions
  */

src/libzzuf/debug.h

@@ -10,6 +10,8 @@
  *  See http://www.wtfpl.net/ for more details.
  */
 
+#pragma once
+
 /*
  *  debug.h: debugging support
  */

src/libzzuf/lib-load.h

@@ -10,6 +10,8 @@
  *  See http://www.wtfpl.net/ for more details.
  */
 
+#pragma once
+
 /*
  *  lib-load.h: preload library functions
  */

src/libzzuf/network.h

@@ -11,6 +11,8 @@
  *  See http://www.wtfpl.net/ for more details.
  */
 
+#pragma once
+
 /*
  *  network.h: network connection helper functions
  */

src/libzzuf/sys.h

@@ -10,6 +10,8 @@
  *  See http://www.wtfpl.net/ for more details.
  */
 
+#pragma once
+
 /*
  *  sys.h: system-dependent initialisation
  */

src/myfork.h

@@ -10,6 +10,8 @@
  *  See http://www.wtfpl.net/ for more details.
  */
 
+#pragma once
+
 /*
  *  myfork.h: process handling functions
  */

src/timer.h

@@ -10,6 +10,8 @@
  *  See http://www.wtfpl.net/ for more details.
  */
 
+#pragma once
+
 /*
  *  timer.h: timing functions
  */

src/util/getopt.h

@@ -10,6 +10,8 @@
  *  See http://www.wtfpl.net/ for more details.
  */
 
+#pragma once
+
 /*
  *  getopt.h: getopt_long reimplementation
  */

src/util/hex.h

@@ -10,6 +10,8 @@
  *  See http://www.wtfpl.net/ for more details.
  */
 
+#pragma once
+
 /*
  *  hex.h: hexadecimal data dump
  */

src/util/md5.h

@@ -10,6 +10,8 @@
  *  See http://www.wtfpl.net/ for more details.
  */
 
+#pragma once
+
 /*
  *  md5.h: MD5 computation
  */

src/util/mutex.h

@@ -10,6 +10,8 @@
  *  See http://www.wtfpl.net/ for more details.
  */
 
+#pragma once
+
 /*
  *  mutex.h: very simple spinlock routines
  */