fix warnings

git-svn-id: svn://svn.icculus.org/twilight/trunk/dpvideo@7585 d7cf8633-e32d-0410-b094-e92efae38249

Author: ladyhavoc

dpvencode.c

@@ -195,7 +195,7 @@ static void dpvencode_sound(dpvencodestream_t *s, short *sound, unsigned int sou
 static void dpvencode_compressimage(dpvencodestream_t *s, unsigned char *pixels, double quality)
 {
 	int i, j, a, b, cr, cg, cb, x1, y1, width, height, bw, bh, palettebits, paletteuse[4096], best1, best2, best, bestscore, score, colors, rdist, gdist, bdist, threshold, deltablocks, deltablockthreshold;
-	int deltapixelerror, deltablockerror;
+	int deltapixelerror, deltablockerror = 0;
 	unsigned char palette[4096 * 4], *pix, *p;
 	double error, errorstart, errorblock, errorbiggest;
 	dpvencodeblockinfo_t *block;

dpvplayer.c

@@ -246,7 +246,7 @@ static void dpvplayer(char *filename, void *stream, int fullscreen, int opengl,
 	SDL_AudioSpec *desiredaudiospec = NULL;
 	double soundmixahead;
 	double soundprefetch;
-	double soundlatency;
+	double soundlatency = 0;
 	int soundmixaheadsamples;
 	int soundprefetchsamples;
 	int soundlatencysamples;

file.c

@@ -3,7 +3,7 @@
 #include <stdio.h>
 #include "file.h"
 
-int readfile(char *filename, void **mem, int *size)
+int readfile(char *filename, void **mem, unsigned int *size)
 {
 	FILE *file;
 	char *filemem;
@@ -35,7 +35,7 @@ int readfile(char *filename, void **mem, int *size)
 	return 0;
 }
 
-int writefile(char *filename, void *mem, int size)
+int writefile(char *filename, void *mem, unsigned int size)
 {
 	FILE *file;
 	int writesize;

file.h

@@ -2,7 +2,7 @@
 #ifndef FILE_H
 #define FILE_H
 
-int readfile(char *filename, void **mem, int *size);
-int writefile(char *filename, void *mem, int size);
+int readfile(char *filename, void **mem, unsigned int *size);
+int writefile(char *filename, void *mem, unsigned int size);
 
 #endif

tgafile.c

@@ -16,6 +16,7 @@ tgafile_t *loadtga(char *filename)
 	int columns, rows, row, column;
 	unsigned int datasize;
 	unsigned char *pixbuf, *pixels, *fin, *data, *enddata;
+	void *voiddata;
 	// the contents of the targa header
 	struct
 	{
@@ -27,8 +28,9 @@ tgafile_t *loadtga(char *filename)
 	}
 	targa;
 
-	if (readfile(filename, (void **)&data, &datasize) || datasize < 18)
+	if (readfile(filename, &voiddata, &datasize) || datasize < 18)
 		return NULL;
+	data = (unsigned char *)voiddata;
 
 	targa.id_length = data[0];
 	targa.colormap_type = data[1];