[trunk] Remove some warnings about missing prototypes (gcc)

8 files changed, 65 insertions, 65 deletions

diff --git a/src/bin/jp2/convert.c b/src/bin/jp2/convert.c
index 59af469b..6cfa663c 100644
--- a/src/bin/jp2/convert.c
+++ b/src/bin/jp2/convert.c
@@ -2921,7 +2921,7 @@ opj_image_t* rawtoimage(const char *filename, opj_cparameters_t *parameters, raw
   return rawtoimage_common(filename, parameters, raw_cp, OPJ_TRUE);
 }
 
-int imagetoraw_common(opj_image_t * image, const char *outfile, opj_bool big_endian)
+static int imagetoraw_common(opj_image_t * image, const char *outfile, opj_bool big_endian)
 {
 	FILE *rawFile = NULL;
   size_t res;
diff --git a/src/bin/jp2/opj_compress.c b/src/bin/jp2/opj_compress.c
index 4c1cbd83..1824c03e 100644
--- a/src/bin/jp2/opj_compress.c
+++ b/src/bin/jp2/opj_compress.c
@@ -84,8 +84,8 @@ typedef struct img_folder{
 	float *rates;
 }img_fol_t;
 
-void encode_help_display(void) {
-	fprintf(stdout,"HELP for image_to_j2k\n----\n\n");
+static void encode_help_display(void) {
+	fprintf(stdout,"HELP for opj_compress\n----\n\n");
 	fprintf(stdout,"- the -h option displays this help information on screen\n\n");
 
 /* UniPG>> */
@@ -325,7 +325,7 @@ void encode_help_display(void) {
 	fprintf(stdout,"TotalDisto\n\n");
 }
 
-OPJ_PROG_ORDER give_progression(char progression[4]) {
+static OPJ_PROG_ORDER give_progression(const char progression[4]) {
 	if(strncmp(progression, "LRCP", 4) == 0) {
 		return LRCP;
 	}
@@ -345,7 +345,7 @@ OPJ_PROG_ORDER give_progression(char progression[4]) {
 	return PROG_UNKNOWN;
 }
 
-unsigned int get_num_images(char *imgdirpath){
+static unsigned int get_num_images(char *imgdirpath){
 	DIR *dir;
 	struct dirent* content;
 	unsigned int num_images = 0;
@@ -367,7 +367,7 @@ unsigned int get_num_images(char *imgdirpath){
 	return num_images;
 }
 
-int load_images(dircnt_t *dirptr, char *imgdirpath){
+static int load_images(dircnt_t *dirptr, char *imgdirpath){
 	DIR *dir;
 	struct dirent* content;
 	int i = 0;
@@ -392,7 +392,7 @@ int load_images(dircnt_t *dirptr, char *imgdirpath){
 	return 0;
 }
 
-int get_file_format(char *filename) {
+static int get_file_format(char *filename) {
 	unsigned int i;
 	static const char *extension[] = {
     "pgx", "pnm", "pgm", "ppm", "pbm", "pam", "bmp", "tif", "raw", "rawl", "tga", "png", "j2k", "jp2", "j2c", "jpc"
@@ -412,14 +412,14 @@ int get_file_format(char *filename) {
 	return -1;
 }
 
-char * get_file_name(char *name){
+static char * get_file_name(char *name){
 	char *fname;
 	fname= (char*)malloc(OPJ_PATH_LEN*sizeof(char));
 	fname= strtok(name,".");
 	return fname;
 }
 
-char get_next_file(int imageno,dircnt_t *dirptr,img_fol_t *img_fol, opj_cparameters_t *parameters){
+static char get_next_file(int imageno,dircnt_t *dirptr,img_fol_t *img_fol, opj_cparameters_t *parameters){
 	char image_filename[OPJ_PATH_LEN], infilename[OPJ_PATH_LEN],outfilename[OPJ_PATH_LEN],temp_ofname[OPJ_PATH_LEN];
   char *temp_p, temp1[OPJ_PATH_LEN]="";
 
@@ -462,7 +462,7 @@ static int initialise_4K_poc(opj_poc_t *POC, int numres){
 	return 2;
 }
 
-void cinema_parameters(opj_cparameters_t *parameters){
+static void cinema_parameters(opj_cparameters_t *parameters){
 	parameters->tile_size_on = OPJ_FALSE;
 	parameters->cp_tdx=1;
 	parameters->cp_tdy=1;
@@ -495,7 +495,7 @@ void cinema_parameters(opj_cparameters_t *parameters){
 
 }
 
-void cinema_setup_encoder(opj_cparameters_t *parameters,opj_image_t *image, img_fol_t *img_fol){
+static void cinema_setup_encoder(opj_cparameters_t *parameters,opj_image_t *image, img_fol_t *img_fol){
 	int i;
 	float temp_rate;
 
@@ -580,7 +580,7 @@ void cinema_setup_encoder(opj_cparameters_t *parameters,opj_image_t *image, img_
 
 /* ------------------------------------------------------------------------------------ */
 
-int parse_cmdline_encoder(int argc, char **argv, opj_cparameters_t *parameters,
+static int parse_cmdline_encoder(int argc, char **argv, opj_cparameters_t *parameters,
 													img_fol_t *img_fol, raw_cparameters_t *raw_cp, char *indexfilename) {
 	int i, j, totlen, c;
 	opj_option_t long_option[]={
@@ -1535,21 +1535,21 @@ int parse_cmdline_encoder(int argc, char **argv, opj_cparameters_t *parameters,
 /**
 sample error callback expecting a FILE* client object
 */
-void error_file_callback(const char *msg, void *client_data) {
+static void error_file_callback(const char *msg, void *client_data) {
 	FILE *stream = (FILE*)client_data;
 	fprintf(stream, "[ERROR] %s", msg);
 }
 /**
 sample warning callback expecting a FILE* client object
 */
-void warning_file_callback(const char *msg, void *client_data) {
+static void warning_file_callback(const char *msg, void *client_data) {
 	FILE *stream = (FILE*)client_data;
 	fprintf(stream, "[WARNING] %s", msg);
 }
 /**
 sample debug callback expecting a FILE* client object
 */
-void info_file_callback(const char *msg, void *client_data) {
+static void info_file_callback(const char *msg, void *client_data) {
 	FILE *stream = (FILE*)client_data;
 	fprintf(stream, "[INFO] %s", msg);
 }
@@ -1557,28 +1557,28 @@ void info_file_callback(const char *msg, void *client_data) {
 /**
 sample error debug callback expecting no client object
 */
-void error_callback(const char *msg, void *client_data) {
+static void error_callback(const char *msg, void *client_data) {
 	(void)client_data;
 	fprintf(stdout, "[ERROR] %s", msg);
 }
 /**
 sample warning debug callback expecting no client object
 */
-void warning_callback(const char *msg, void *client_data) {
+static void warning_callback(const char *msg, void *client_data) {
 	(void)client_data;
 	fprintf(stdout, "[WARNING] %s", msg);
 }
 /**
 sample debug callback expecting no client object
 */
-void info_callback(const char *msg, void *client_data) {
+static void info_callback(const char *msg, void *client_data) {
 	(void)client_data;
 	fprintf(stdout, "[INFO] %s", msg);
 }
 
 /* -------------------------------------------------------------------------- */
 /**
- * IMAGE_TO_J2K MAIN
+ * OPJ_COMPRESS MAIN
  */
 /* -------------------------------------------------------------------------- */
 int main(int argc, char **argv) {
diff --git a/src/bin/jp2/opj_decompress.c b/src/bin/jp2/opj_decompress.c
index 7edb3c9b..ac5e79c3 100644
--- a/src/bin/jp2/opj_decompress.c
+++ b/src/bin/jp2/opj_decompress.c
@@ -97,8 +97,8 @@ int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,i
 int parse_DA_values( char* inArg, unsigned int *DA_x0, unsigned int *DA_y0, unsigned int *DA_x1, unsigned int *DA_y1);
 
 /* -------------------------------------------------------------------------- */
-void decode_help_display(void) {
-	fprintf(stdout,"HELP for j2k_to_image\n----\n\n");
+static void decode_help_display(void) {
+	fprintf(stdout,"HELP for opj_decompress\n----\n\n");
 	fprintf(stdout,"- the -h option displays this help information on screen\n\n");
 
 /* UniPG>> */
@@ -648,28 +648,28 @@ int parse_DA_values( char* inArg, unsigned int *DA_x0, unsigned int *DA_y0, unsi
 /**
 sample error callback expecting a FILE* client object
 */
-void error_callback(const char *msg, void *client_data) {
+static void error_callback(const char *msg, void *client_data) {
 	(void)client_data;
 	fprintf(stdout, "[ERROR] %s", msg);
 }
 /**
 sample warning callback expecting a FILE* client object
 */
-void warning_callback(const char *msg, void *client_data) {
+static void warning_callback(const char *msg, void *client_data) {
 	(void)client_data;
 	fprintf(stdout, "[WARNING] %s", msg);
 }
 /**
 sample debug callback expecting no client object
 */
-void info_callback(const char *msg, void *client_data) {
+static void info_callback(const char *msg, void *client_data) {
 	(void)client_data;
 	fprintf(stdout, "[INFO] %s", msg);
 }
 
 /* -------------------------------------------------------------------------- */
 /**
- * J2K_TO_IMAGE MAIN
+ * OPJ_DECOMPRESS MAIN
  */
 /* -------------------------------------------------------------------------- */
 int main(int argc, char **argv)
@@ -802,7 +802,7 @@ int main(int argc, char **argv)
 
 		/* Read the main header of the codestream and if necessary the JP2 boxes*/
 		if(! opj_read_header(l_stream, l_codec, &image)){
-			fprintf(stderr, "ERROR -> j2k_to_image: failed to read the header\n");
+			fprintf(stderr, "ERROR -> opj_decompress: failed to read the header\n");
 			opj_stream_destroy(l_stream);
 			fclose(fsrc);
 			opj_destroy_codec(l_codec);
@@ -814,7 +814,7 @@ int main(int argc, char **argv)
 			/* Optional if you want decode the entire image */
 			if (!opj_set_decode_area(l_codec, image, parameters.DA_x0,
 					parameters.DA_y0, parameters.DA_x1, parameters.DA_y1)){
-				fprintf(stderr,	"ERROR -> j2k_to_image: failed to set the decoded area\n");
+				fprintf(stderr,	"ERROR -> opj_decompress: failed to set the decoded area\n");
 				opj_stream_destroy(l_stream);
 				opj_destroy_codec(l_codec);
 				opj_image_destroy(image);
@@ -824,7 +824,7 @@ int main(int argc, char **argv)
 
 			/* Get the decoded image */
 			if (!(opj_decode(l_codec, l_stream, image) && opj_end_decompress(l_codec,	l_stream))) {
-				fprintf(stderr,"ERROR -> j2k_to_image: failed to decode image!\n");
+				fprintf(stderr,"ERROR -> opj_decompress: failed to decode image!\n");
 				opj_destroy_codec(l_codec);
 				opj_stream_destroy(l_stream);
 				opj_image_destroy(image);
@@ -836,7 +836,7 @@ int main(int argc, char **argv)
 
 			/* It is just here to illustrate how to use the resolution after set parameters */
 			/*if (!opj_set_decoded_resolution_factor(l_codec, 5)) {
-				fprintf(stderr, "ERROR -> j2k_to_image: failed to set the resolution factor tile!\n");
+				fprintf(stderr, "ERROR -> opj_decompress: failed to set the resolution factor tile!\n");
 				opj_destroy_codec(l_codec);
 				opj_stream_destroy(l_stream);
 				opj_image_destroy(image);
@@ -845,7 +845,7 @@ int main(int argc, char **argv)
 			}*/
 
 			if (!opj_get_decoded_tile(l_codec, l_stream, image, parameters.tile_index)) {
-				fprintf(stderr, "ERROR -> j2k_to_image: failed to decode tile!\n");
+				fprintf(stderr, "ERROR -> opj_decompress: failed to decode tile!\n");
 				opj_destroy_codec(l_codec);
 				opj_stream_destroy(l_stream);
 				opj_image_destroy(image);
diff --git a/src/bin/jp2/opj_dump.c b/src/bin/jp2/opj_dump.c
index 6c63c2ca..ca801d5a 100644
--- a/src/bin/jp2/opj_dump.c
+++ b/src/bin/jp2/opj_dump.c
@@ -84,8 +84,8 @@ int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,i
 int parse_DA_values( char* inArg, unsigned int *DA_x0, unsigned int *DA_y0, unsigned int *DA_x1, unsigned int *DA_y1);
 
 /* -------------------------------------------------------------------------- */
-void decode_help_display(void) {
-	fprintf(stdout,"HELP for j2k_dump\n----\n\n");
+static void decode_help_display(void) {
+	fprintf(stdout,"HELP for opj_dump\n----\n\n");
 	fprintf(stdout,"- the -h option displays this help information on screen\n\n");
 
 /* UniPG>> */
@@ -374,28 +374,28 @@ int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,i
 /**
 sample error debug callback expecting no client object
 */
-void error_callback(const char *msg, void *client_data) {
+static void error_callback(const char *msg, void *client_data) {
 	(void)client_data;
 	fprintf(stdout, "[ERROR] %s", msg);
 }
 /**
 sample warning debug callback expecting no client object
 */
-void warning_callback(const char *msg, void *client_data) {
+static void warning_callback(const char *msg, void *client_data) {
 	(void)client_data;
 	fprintf(stdout, "[WARNING] %s", msg);
 }
 /**
 sample debug callback expecting no client object
 */
-void info_callback(const char *msg, void *client_data) {
+static void info_callback(const char *msg, void *client_data) {
 	(void)client_data;
 	fprintf(stdout, "[INFO] %s", msg);
 }
 
 /* -------------------------------------------------------------------------- */
 /**
- * J2K_DUMP MAIN
+ * OPJ_DUMP MAIN
  */
 /* -------------------------------------------------------------------------- */
 int main(int argc, char *argv[])
@@ -533,7 +533,7 @@ int main(int argc, char *argv[])
 
 		/* Setup the decoder decoding parameters using user parameters */
 		if ( !opj_setup_decoder(l_codec, &parameters) ){
-			fprintf(stderr, "ERROR -> j2k_dump: failed to setup the decoder\n");
+			fprintf(stderr, "ERROR -> opj_dump: failed to setup the decoder\n");
 			opj_stream_destroy(l_stream);
 			fclose(fsrc);
 			opj_destroy_codec(l_codec);
@@ -543,7 +543,7 @@ int main(int argc, char *argv[])
 
 		/* Read the main header of the codestream and if necessary the JP2 boxes*/
 		if(! opj_read_header(l_stream, l_codec, &image)){
-			fprintf(stderr, "ERROR -> j2k_dump: failed to read the header\n");
+			fprintf(stderr, "ERROR -> opj_dump: failed to read the header\n");
 			opj_stream_destroy(l_stream);
 			fclose(fsrc);
 			opj_destroy_codec(l_codec);
diff --git a/src/bin/jpip/opj_jpip_compress.c b/src/bin/jpip/opj_jpip_compress.c
index 6c5fd05f..2ff3809e 100644
--- a/src/bin/jpip/opj_jpip_compress.c
+++ b/src/bin/jpip/opj_jpip_compress.c
@@ -86,7 +86,7 @@ typedef struct img_folder{
 	float *rates;
 }img_fol_t;
 
-void encode_help_display(void) {
+static void encode_help_display(void) {
 	fprintf(stdout,"HELP for image_to_j2k\n----\n\n");
 	fprintf(stdout,"- the -h option displays this help information on screen\n\n");
 
@@ -327,7 +327,7 @@ void encode_help_display(void) {
 	fprintf(stdout,"TotalDisto\n\n");
 }
 
-OPJ_PROG_ORDER give_progression(char progression[4]) {
+static OPJ_PROG_ORDER give_progression(const char progression[4]) {
 	if(strncmp(progression, "LRCP", 4) == 0) {
 		return LRCP;
 	}
@@ -347,7 +347,7 @@ OPJ_PROG_ORDER give_progression(char progression[4]) {
 	return PROG_UNKNOWN;
 }
 
-unsigned int get_num_images(char *imgdirpath){
+static unsigned int get_num_images(char *imgdirpath){
 	DIR *dir;
 	struct dirent* content;
 	unsigned int num_images = 0;
@@ -369,7 +369,7 @@ unsigned int get_num_images(char *imgdirpath){
 	return num_images;
 }
 
-int load_images(dircnt_t *dirptr, char *imgdirpath){
+static int load_images(dircnt_t *dirptr, char *imgdirpath){
 	DIR *dir;
 	struct dirent* content;
 	int i = 0;
@@ -394,7 +394,7 @@ int load_images(dircnt_t *dirptr, char *imgdirpath){
 	return 0;
 }
 
-int get_file_format(char *filename) {
+static int get_file_format(char *filename) {
 	unsigned int i;
 	static const char *extension[] = {
     "pgx", "pnm", "pgm", "ppm", "pbm", "pam", "bmp", "tif", "raw", "rawl", "tga", "png", "j2k", "jp2", "j2c", "jpc"
@@ -414,14 +414,14 @@ int get_file_format(char *filename) {
 	return -1;
 }
 
-char * get_file_name(char *name){
+static char * get_file_name(char *name){
 	char *fname;
 	fname= (char*)opj_malloc(OPJ_PATH_LEN*sizeof(char));
 	fname= strtok(name,".");
 	return fname;
 }
 
-char get_next_file(int imageno,dircnt_t *dirptr,img_fol_t *img_fol, opj_cparameters_t *parameters){
+static char get_next_file(int imageno,dircnt_t *dirptr,img_fol_t *img_fol, opj_cparameters_t *parameters){
 	char image_filename[OPJ_PATH_LEN], infilename[OPJ_PATH_LEN],outfilename[OPJ_PATH_LEN],temp_ofname[OPJ_PATH_LEN];
   char *temp_p, temp1[OPJ_PATH_LEN]="";
 
@@ -464,7 +464,7 @@ static int initialise_4K_poc(opj_poc_t *POC, int numres){
 	return 2;
 }
 
-void cinema_parameters(opj_cparameters_t *parameters){
+static void cinema_parameters(opj_cparameters_t *parameters){
 	parameters->tile_size_on = OPJ_FALSE;
 	parameters->cp_tdx=1;
 	parameters->cp_tdy=1;
@@ -497,7 +497,7 @@ void cinema_parameters(opj_cparameters_t *parameters){
 
 }
 
-void cinema_setup_encoder(opj_cparameters_t *parameters,opj_image_t *image, img_fol_t *img_fol){
+static void cinema_setup_encoder(opj_cparameters_t *parameters,opj_image_t *image, img_fol_t *img_fol){
 	int i;
 	float temp_rate;
 
@@ -582,7 +582,7 @@ void cinema_setup_encoder(opj_cparameters_t *parameters,opj_image_t *image, img_
 
 /* ------------------------------------------------------------------------------------ */
 
-int parse_cmdline_encoder(int argc, char **argv, opj_cparameters_t *parameters,
+static int parse_cmdline_encoder(int argc, char **argv, opj_cparameters_t *parameters,
 													img_fol_t *img_fol, raw_cparameters_t *raw_cp, char *indexfilename) {
 	int i, j, totlen, c;
 	opj_option_t long_option[]={
@@ -1537,21 +1537,21 @@ int parse_cmdline_encoder(int argc, char **argv, opj_cparameters_t *parameters,
 /**
 sample error callback expecting a FILE* client object
 */
-void error_file_callback(const char *msg, void *client_data) {
+static void error_file_callback(const char *msg, void *client_data) {
 	FILE *stream = (FILE*)client_data;
 	fprintf(stream, "[ERROR] %s", msg);
 }
 /**
 sample warning callback expecting a FILE* client object
 */
-void warning_file_callback(const char *msg, void *client_data) {
+static void warning_file_callback(const char *msg, void *client_data) {
 	FILE *stream = (FILE*)client_data;
 	fprintf(stream, "[WARNING] %s", msg);
 }
 /**
 sample debug callback expecting a FILE* client object
 */
-void info_file_callback(const char *msg, void *client_data) {
+static void info_file_callback(const char *msg, void *client_data) {
 	FILE *stream = (FILE*)client_data;
 	fprintf(stream, "[INFO] %s", msg);
 }
@@ -1559,21 +1559,21 @@ void info_file_callback(const char *msg, void *client_data) {
 /**
 sample error debug callback expecting no client object
 */
-void error_callback(const char *msg, void *client_data) {
+static void error_callback(const char *msg, void *client_data) {
 	(void)client_data;
 	fprintf(stdout, "[ERROR] %s", msg);
 }
 /**
 sample warning debug callback expecting no client object
 */
-void warning_callback(const char *msg, void *client_data) {
+static void warning_callback(const char *msg, void *client_data) {
 	(void)client_data;
 	fprintf(stdout, "[WARNING] %s", msg);
 }
 /**
 sample debug callback expecting no client object
 */
-void info_callback(const char *msg, void *client_data) {
+static void info_callback(const char *msg, void *client_data) {
 	(void)client_data;
 	fprintf(stdout, "[INFO] %s", msg);
 }
diff --git a/src/bin/mj2/opj_mj2_compress.c b/src/bin/mj2/opj_mj2_compress.c
index fbf25fe3..73ddcbe8 100644
--- a/src/bin/mj2/opj_mj2_compress.c
+++ b/src/bin/mj2/opj_mj2_compress.c
@@ -50,21 +50,21 @@ Size of memory first allocated for MOOV box
 /**
 sample error callback expecting a FILE* client object
 */
-void error_callback(const char *msg, void *client_data) {
+static void error_callback(const char *msg, void *client_data) {
 	FILE *stream = (FILE*)client_data;
 	fprintf(stream, "[ERROR] %s", msg);
 }
 /**
 sample warning callback expecting a FILE* client object
 */
-void warning_callback(const char *msg, void *client_data) {
+static void warning_callback(const char *msg, void *client_data) {
 	FILE *stream = (FILE*)client_data;
 	fprintf(stream, "[WARNING] %s", msg);
 }
 /**
 sample debug callback expecting a FILE* client object
 */
-void info_callback(const char *msg, void *client_data) {
+static void info_callback(const char *msg, void *client_data) {
 	FILE *stream = (FILE*)client_data;
 	fprintf(stream, "[INFO] %s", msg);
 }
@@ -72,7 +72,7 @@ void info_callback(const char *msg, void *client_data) {
 /* -------------------------------------------------------------------------- */
 
 
-void help_display()
+static void help_display()
 {
   fprintf(stdout,"HELP for frames_to_mj2\n----\n\n");
   fprintf(stdout,"- the -h option displays this help information on screen\n\n");
@@ -197,7 +197,7 @@ void help_display()
   fprintf(stdout,"TotalDisto\n\n");
 }
 
-OPJ_PROG_ORDER give_progression(char progression[5])
+static OPJ_PROG_ORDER give_progression(const char progression[5])
 {
   if (progression[0] == 'L' && progression[1] == 'R'
     && progression[2] == 'C' && progression[3] == 'P') {
diff --git a/src/bin/mj2/opj_mj2_decompress.c b/src/bin/mj2/opj_mj2_decompress.c
index d4258ef1..ee312f61 100644
--- a/src/bin/mj2/opj_mj2_decompress.c
+++ b/src/bin/mj2/opj_mj2_decompress.c
@@ -50,21 +50,21 @@
 /**
 sample error callback expecting a FILE* client object
 */
-void error_callback(const char *msg, void *client_data) {
+static void error_callback(const char *msg, void *client_data) {
 	FILE *stream = (FILE*)client_data;
 	fprintf(stream, "[ERROR] %s", msg);
 }
 /**
 sample warning callback expecting a FILE* client object
 */
-void warning_callback(const char *msg, void *client_data) {
+static void warning_callback(const char *msg, void *client_data) {
 	FILE *stream = (FILE*)client_data;
 	fprintf(stream, "[WARNING] %s", msg);
 }
 /**
 sample debug callback expecting a FILE* client object
 */
-void info_callback(const char *msg, void *client_data) {
+static void info_callback(const char *msg, void *client_data) {
 	FILE *stream = (FILE*)client_data;
 	fprintf(stream, "[INFO] %s", msg);
 }
diff --git a/src/bin/mj2/opj_mj2_wrap.c b/src/bin/mj2/opj_mj2_wrap.c
index efc08d3d..f0404f89 100644
--- a/src/bin/mj2/opj_mj2_wrap.c
+++ b/src/bin/mj2/opj_mj2_wrap.c
@@ -183,21 +183,21 @@ fin:
 /**
 sample error callback expecting a FILE* client object
 */
-void error_callback(const char *msg, void *client_data) {
+static void error_callback(const char *msg, void *client_data) {
 	FILE *stream = (FILE*)client_data;
 	fprintf(stream, "[ERROR] %s", msg);
 }
 /**
 sample warning callback expecting a FILE* client object
 */
-void warning_callback(const char *msg, void *client_data) {
+static void warning_callback(const char *msg, void *client_data) {
 	FILE *stream = (FILE*)client_data;
 	fprintf(stream, "[WARNING] %s", msg);
 }
 /**
 sample debug callback expecting a FILE* client object
 */
-void info_callback(const char *msg, void *client_data) {
+static void info_callback(const char *msg, void *client_data) {
 	FILE *stream = (FILE*)client_data;
 	fprintf(stream, "[INFO] %s", msg);
 }