SignednessWarnings.squash()

Aside from a number of instances of const being cast away (mostly relating to the urldb, which is correct to only export const data) this now builds warning-free with GCC 4 on x86, which is nice.

svn path=/trunk/netsurf/; revision=3868

6 files changed, 13 insertions, 11 deletions

diff --git a/image/bmp.c b/image/bmp.c
index 4e1c5f762..ed1ea6c02 100644
--- a/image/bmp.c
+++ b/image/bmp.c
@@ -52,7 +52,7 @@ bool nsbmp_convert(struct content *c, int iwidth, int iheight) {
 
 	/* set our source data */
 	bmp = c->data.bmp.bmp;
-	bmp->bmp_data = c->source_data;
+	bmp->bmp_data = (unsigned char *) c->source_data;
 	bmp->buffer_size = c->source_size;
 
 	/* analyse the BMP */
diff --git a/image/bmpread.c b/image/bmpread.c
index c89db98b7..f8ae53cc0 100644
--- a/image/bmpread.c
+++ b/image/bmpread.c
@@ -50,7 +50,7 @@ void bmp_invalidate(struct bitmap *bitmap, void *private_word);
  * \return BMP_OK on success
  */
 bmp_result bmp_analyse(struct bmp_image *bmp) {
-	char *data = bmp->bmp_data;
+	char *data = (char *) bmp->bmp_data;
 
 	/* ensure we aren't already initialised */
 	if (bmp->bitmap)
@@ -87,7 +87,7 @@ bmp_result bmp_analyse(struct bmp_image *bmp) {
  * \return BMP_OK on success
  */
 bmp_result ico_analyse(struct ico_collection *ico) {
-	char *data = ico->ico_data;
+	char *data = (char *) ico->ico_data;
 	unsigned int count, i;
 	bmp_result result;
 	struct ico_image *image;
@@ -126,7 +126,8 @@ bmp_result ico_analyse(struct ico_collection *ico) {
 		image->bmp.bmp_data = ico->ico_data + READ_INT(data, 12);
 		image->bmp.ico = true;
 		data += 16;
-		result = bmp_analyse_header(&image->bmp, image->bmp.bmp_data);
+		result = bmp_analyse_header(&image->bmp, 
+				(char *) image->bmp.bmp_data);
 		if (result != BMP_OK)
 			return result;
 		area = image->bmp.width * image->bmp.height;
@@ -370,7 +371,7 @@ bmp_result bmp_decode(struct bmp_image *bmp) {
 
 	assert(bmp->bitmap);
 
-	data = bmp->bmp_data + bmp->bitmap_offset;
+	data = (char *) bmp->bmp_data + bmp->bitmap_offset;
 	bytes = bmp->buffer_size - bmp->bitmap_offset;
 
 	switch (bmp->encoding) {
diff --git a/image/gif.c b/image/gif.c
index fb6c559db..657f1a666 100644
--- a/image/gif.c
+++ b/image/gif.c
@@ -73,7 +73,7 @@ bool nsgif_convert(struct content *c, int iwidth, int iheight) {
 	/*	Create our animation
 	*/
 	gif = c->data.gif.gif;
-	gif->gif_data = c->source_data;
+	gif->gif_data = (unsigned char *) c->source_data;
 	gif->buffer_size = c->source_size;
 	gif->buffer_position = 0;
 
diff --git a/image/gifread.c b/image/gifread.c
index ce826b006..30fd19e0f 100644
--- a/image/gifread.c
+++ b/image/gifread.c
@@ -149,7 +149,7 @@ int gif_initialise(struct gif_animation *gif) {
 
 		/*	Check we are a GIF
 		*/
-		if (strncmp(gif_data, "GIF", 3) != 0)
+		if (strncmp((const char *) gif_data, "GIF", 3) != 0)
 			return GIF_DATA_ERROR;
 		gif_data += 3;
 
@@ -410,7 +410,8 @@ int gif_initialise_frame(struct gif_animation *gif) {
 			*/
 			} else if ((gif_data[1] == 0xff) &&
 					(gif_data[2] == 0x0b) &&
-					(strncmp(gif_data + 3, "NETSCAPE2.0", 11) == 0) &&
+					(strncmp((const char *) gif_data + 3, 
+						"NETSCAPE2.0", 11) == 0) &&
 					(gif_data[14] == 0x03) &&
 					(gif_data[15] == 0x01)) {
 				gif->loop_count = gif_data[16] | (gif_data[17] << 8);
diff --git a/image/ico.c b/image/ico.c
index 50c69c4e3..45d445000 100644
--- a/image/ico.c
+++ b/image/ico.c
@@ -53,7 +53,7 @@ bool nsico_convert(struct content *c, int iwidth, int iheight) {
 
 	/* set our source data */
 	ico = c->data.ico.ico;
-	ico->ico_data = c->source_data;
+	ico->ico_data = (unsigned char *) c->source_data;
 	ico->buffer_size = c->source_size;
 
 	/* analyse the BMP */
diff --git a/image/jpeg.c b/image/jpeg.c
index 11f591b5f..523a52fce 100644
--- a/image/jpeg.c
+++ b/image/jpeg.c
@@ -95,7 +95,7 @@ bool nsjpeg_convert(struct content *c, int w, int h)
 		return false;
 	}
 	jpeg_create_decompress(&cinfo);
-	source_mgr.next_input_byte = c->source_data;
+	source_mgr.next_input_byte = (unsigned char *) c->source_data;
 	source_mgr.bytes_in_buffer = c->source_size;
 	cinfo.src = &source_mgr;
 	jpeg_read_header(&cinfo, TRUE);
@@ -180,7 +180,7 @@ void nsjpeg_init_source(j_decompress_ptr cinfo)
 }
 
 
-static char nsjpeg_eoi[] = { 0xff, JPEG_EOI };
+static unsigned char nsjpeg_eoi[] = { 0xff, JPEG_EOI };
 
 /**
  * JPEG data source manager: fill the input buffer.