fixed format warnings

[swftools.git] / lib / wav.c

diff --git a/lib/wav.c b/lib/wav.c
index 72d9502..5bd30d7 100644 (file)
--- a/lib/wav.c
+++ b/lib/wav.c
@@ -46,7 +46,7 @@ int getWAVBlock(FILE*fi, struct WAVBlock*block)
     return 1;
 }
 
-int wav_read(struct WAV*wav, char* filename)
+int wav_read(struct WAV*wav, const char* filename)
 {
     FILE*fi = fopen(filename, "rb");
     unsigned char b[16];
@@ -74,22 +74,20 @@ int wav_read(struct WAV*wav, char* filename)
         return 0;
     }
     if(block.size + 8 < filesize)
-        fprintf(stderr, "wav_read: warning - more tags (%d extra bytes)\n",
-    filesize - block.size - 8);
+        fprintf(stderr, "wav_read: warning - more tags (%lu extra bytes)\n", filesize - block.size - 8);
 
     if(block.size == filesize)
        /* some buggy software doesn't generate the right tag length */
         block.size = filesize - 8;
 
     if(block.size + 8 > filesize)
-        fprintf(stderr, "wav_read: warning - short file (%d bytes missing)\n",
-    block.size + 8 -  filesize);
+        fprintf(stderr, "wav_read: warning - short file (%lu bytes missing)\n", block.size + 8 -  filesize);
     if(fread(b, 1, 4, fi) < 4)
     {
         fclose(fi);
                return 0;
     }
-    if(strncmp(b, "WAVE", 4))
+    if(strncmp((const char*)b, "WAVE", 4))
     {
         fprintf(stderr, "wav_read: not a WAV file (2)\n");
         fclose(fi);
@@ -123,7 +121,7 @@ int wav_read(struct WAV*wav, char* filename)
                 if (!strncmp(block.id, "data", 4))
                 {
                     int l;
-                    wav->data = malloc(block.size);
+                    wav->data = (unsigned char*)malloc(block.size);
                     if(!wav->data)
                     {
                         fprintf(stderr, "Out of memory (%d bytes needed)", block.size);
@@ -131,13 +129,17 @@ int wav_read(struct WAV*wav, char* filename)
                         return 0;
                     }
                     l = fread(wav->data, 1, block.size, fi);
-                    if(l < block.size)
-                    {
-                        fprintf(stderr, "Error while reading data block of size %d (%d bytes missing)", block.size, block.size-l);
+                    if(l<=0) {
+                        fprintf(stderr, "Error: Couldn't read WAV data block\n");
                         fclose(fi);
                         return 0;
+                    } else if(l < block.size)
+                    {
+                        fprintf(stderr, "Warning: data block of size %d is only %d bytes (%d bytes missing)\n", block.size, l, block.size-l);
+                        wav->size = l;
+                    } else {
+                        wav->size = block.size;
                     }
-                    wav->size = block.size;
                 }
                 pos+=block.size;
                 fseek(fi, pos, SEEK_SET);
@@ -147,7 +149,7 @@ int wav_read(struct WAV*wav, char* filename)
     return 1;
 }
 
-int wav_write(struct WAV*wav, char*filename)
+int wav_write(struct WAV*wav, const char*filename)
 {
     FILE*fi = fopen(filename, "wb");
     char*b="RIFFWAVEfmt \x10\0\0\0data";
@@ -194,7 +196,7 @@ int wav_write(struct WAV*wav, char*filename)
 
 void wav_print(struct WAV*wav)
 {
-    printf("tag:%04x channels:%d samples/sec:%d bytes/sec:%d align:%d bits/sample:%d size:%d\n",
+    printf("tag:%04x channels:%d samples/sec:%lu bytes/sec:%lu align:%d bits/sample:%d size:%d\n",
            wav->tag, wav->channels, wav->sampsPerSec, wav->bytesPerSec, 
            wav->align, wav->bps, wav->size);
 }