7 files changed, 18 insertions, 18 deletions
diff --git a/programs/Makefile b/programs/Makefile
index c62366c..5127c5d 100644
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -34,7 +34,7 @@ RELEASE=rc120
 DESTDIR=
 PREFIX=/usr
 CC:=$(CC)
-CFLAGS+= -std=c99 -O3 -Wall -Wextra -Wundef -Wshadow -DLZ4_VERSION=\"$(RELEASE)\"
+CFLAGS+= -std=c99 -O3 -Wall -Wextra -Wundef -Wshadow -Wstrict-prototypes -DLZ4_VERSION=\"$(RELEASE)\"
 FLAGS= -I.. $(CFLAGS)
 
 BINDIR=$(PREFIX)/bin
diff --git a/programs/bench.c b/programs/bench.c
index 8d68098..6af86ac 100644
--- a/programs/bench.c
+++ b/programs/bench.c
@@ -32,7 +32,7 @@
 // Unix Large Files support (>4GB)
 #define _FILE_OFFSET_BITS 64
 #if (defined(__sun__) && (!defined(__LP64__)))   // Sun Solaris 32-bits requires specific definitions
-#  define _LARGEFILE_SOURCE 
+#  define _LARGEFILE_SOURCE
 #elif ! defined(__LP64__)                        // No point defining Large file for 64 bit
 #  define _LARGEFILE64_SOURCE
 #endif
@@ -155,7 +155,7 @@ void BMK_SetNbIterations(int nbLoops)
     DISPLAY("- %i iterations -\n", nbIterations);
 }
 
-void BMK_SetPause() { BMK_pause = 1; }
+void BMK_SetPause(void) { BMK_pause = 1; }
 
 
 //*********************************************************
@@ -178,7 +178,7 @@ static int BMK_GetMilliStart()
 
 #else
 
-static int BMK_GetMilliStart()
+static int BMK_GetMilliStart(void)
 {
   // Based on newer gettimeofday()
   // Use GetMilliSpan to correct for rollover
diff --git a/programs/bench.h b/programs/bench.h
index a0b7ed2..7e59e52 100644
--- a/programs/bench.h
+++ b/programs/bench.h
@@ -32,7 +32,7 @@ int BMK_benchFile(char** fileNamesTable, int nbFiles, int cLevel);
 // Parameters
 void BMK_SetBlocksize(int bsize);
 void BMK_SetNbIterations(int nbLoops);
-void BMK_SetPause();
+void BMK_SetPause(void);
 
 
 
diff --git a/programs/datagen.c b/programs/datagen.c
index 0109d54..706c30f 100644
--- a/programs/datagen.c
+++ b/programs/datagen.c
@@ -184,7 +184,7 @@ static void CDG_generate(U64 size, U32* seed, double proba)
 }
 
 
-int CDG_usage()
+int CDG_usage(void)
 {
     DISPLAY( "Compressible data generator\n");
     DISPLAY( "Usage :\n");
diff --git a/programs/fullbench.c b/programs/fullbench.c
index 0ed8488..dd02357 100644
--- a/programs/fullbench.c
+++ b/programs/fullbench.c
@@ -167,7 +167,7 @@ void BMK_SetNbIterations(int nbLoops)
     DISPLAY("- %i iterations -\n", nbIterations);
 }
 
-void BMK_SetPause()
+void BMK_SetPause(void)
 {
     BMK_pause = 1;
 }
@@ -192,7 +192,7 @@ static int BMK_GetMilliStart()
 
 #else
 
-static int BMK_GetMilliStart()
+static int BMK_GetMilliStart(void)
 {
   // Based on newer gettimeofday()
   // Use GetMilliSpan to correct for rollover
@@ -631,7 +631,7 @@ int usage(char* exename)
     return 0;
 }
 
-int usage_advanced()
+int usage_advanced(void)
 {
     DISPLAY( "\nAdvanced options :\n");
     DISPLAY( " -c#    : test only compression function # [1-%i]\n", NB_COMPRESSION_ALGORITHMS);
diff --git a/programs/fuzzer.c b/programs/fuzzer.c
index 0f74f40..b302078 100644
--- a/programs/fuzzer.c
+++ b/programs/fuzzer.c
@@ -103,7 +103,7 @@ static int displayLevel = 2;
 /*********************************************************
   Fuzzer functions
 *********************************************************/
-static int FUZ_GetMilliStart()
+static int FUZ_GetMilliStart(void)
 {
    struct timeb tb;
    int nCount;
@@ -174,7 +174,7 @@ void FUZ_fillCompressibleNoiseBuffer(void* buffer, int bufferSize, double proba,
 
 
 // No longer useful; included into issue 134
-int FUZ_Issue52()
+int FUZ_Issue52(void)
 {
   char* output;
   char* input;
@@ -199,7 +199,7 @@ int FUZ_Issue52()
 
 #define MAX_NB_BUFF_I134 150
 #define BLOCKSIZE_I134   (32 MB)
-int FUZ_Issue134()
+int FUZ_Issue134(void)
 {
   char* buffers[MAX_NB_BUFF_I134+1] = {0};
   int i, nbBuff=0;
@@ -648,7 +648,7 @@ _output_error:
 }
 
 
-int FUZ_usage()
+int FUZ_usage(void)
 {
     DISPLAY( "Usage :\n");
     DISPLAY( "      %s [args]\n", programName);
diff --git a/programs/lz4cli.c b/programs/lz4cli.c
index e6e6740..e9b7506 100644
--- a/programs/lz4cli.c
+++ b/programs/lz4cli.c
@@ -175,7 +175,7 @@ int LZ4IO_compressFilename_Legacy(char* input_filename, char* output_filename, i
 //****************************
 // Functions
 //****************************
-int usage()
+int usage(void)
 {
     DISPLAY( "Usage :\n");
     DISPLAY( "      %s [arg] [input] [output]\n", programName);
@@ -192,7 +192,7 @@ int usage()
     return 0;
 }
 
-int usage_advanced()
+int usage_advanced(void)
 {
     DISPLAY(WELCOME_MESSAGE);
     usage();
@@ -223,7 +223,7 @@ int usage_advanced()
     return 0;
 }
 
-int usage_longhelp()
+int usage_longhelp(void)
 {
     DISPLAY( "\n");
     DISPLAY( "Which values can get [output] ? \n");
@@ -273,7 +273,7 @@ int usage_longhelp()
     return 0;
 }
 
-int badusage()
+int badusage(void)
 {
     DISPLAYLEVEL(1, "Incorrect parameters\n");
     if (displayLevel >= 1) usage();
@@ -281,7 +281,7 @@ int badusage()
 }
 
 
-void waitEnter()
+void waitEnter(void)
 {
     DISPLAY("Press enter to continue...\n");
     getchar();