X-Git-Url: http://git.eversberg.eu/gitweb.cgi?p=lcr.git;a=blobdiff_plain;f=genwave.c;h=fe74658108829df5de41efe256468e7d8e119d0a;hp=8f3207655b1376c0c874a88e4fbbf48814f06e6a;hb=5566f74eb29be75da44e29ba72ee6f015249ce61;hpb=e9bfe48fc5254e79e59c6ffc1698912175edf4e3

diff --git a/genwave.c b/genwave.c
index 8f32076..fe74658 100644
--- a/genwave.c
+++ b/genwave.c
@@ -9,7 +9,7 @@
 
 
 /* ulaw -> signed 16-bit */
-static short isdn_audio_ulaw_to_s16[] =
+static unsigned short isdn_audio_ulaw_to_s16[] =
 {
 	0x8284, 0x8684, 0x8a84, 0x8e84, 0x9284, 0x9684, 0x9a84, 0x9e84,
 	0xa284, 0xa684, 0xaa84, 0xae84, 0xb284, 0xb684, 0xba84, 0xbe84,
@@ -46,7 +46,7 @@ static short isdn_audio_ulaw_to_s16[] =
 };
 
 /* alaw -> signed 16-bit */
-static short isdn_audio_alaw_to_s16[] =
+static unsigned short isdn_audio_alaw_to_s16[] =
 {
 	0x13fc, 0xec04, 0x0144, 0xfebc, 0x517c, 0xae84, 0x051c, 0xfae4,
 	0x0a3c, 0xf5c4, 0x0048, 0xffb8, 0x287c, 0xd784, 0x028c, 0xfd74,
@@ -100,6 +100,7 @@ void write_law(FILE *fp, char *name, char law)
 	unsigned int i;
 	short sample;
 	unsigned int size, wsize;
+	int __attribute__((__unused__)) ret;
 
 	if ((lfp=fopen(name,"r"))) {
 		/* get size */
@@ -125,18 +126,18 @@ void write_law(FILE *fp, char *name, char law)
 		fmt.data_rate = 16000;
 		fmt.bytes_sample = 2;
 		fmt.bits_sample = 16;
-		fwrite(&fmt, sizeof(fmt), 1, fp);
+		ret = fwrite(&fmt, sizeof(fmt), 1, fp);
 
 		/* data */
 		fprintf(fp, "data%c%c%c%c", (char)(size&0xff), (char)((size>>8)&0xff), (char)((size>>16)&0xff), (char)(size>>24));
 		i = 0;
 		while(i < size) {
-			fread(buffer, 1, 1, lfp);
+			ret = fread(buffer, 1, 1, lfp);
 			if (law == 'a')
-				sample = isdn_audio_alaw_to_s16[*buffer];
+				sample = (signed short)isdn_audio_alaw_to_s16[*buffer];
 			else
-				sample = isdn_audio_ulaw_to_s16[*buffer];
-			fwrite(&sample, 2, 1, fp);
+				sample = (signed short)isdn_audio_ulaw_to_s16[*buffer];
+			ret = fwrite(&sample, 2, 1, fp);
 			i+=2;
 		}