X-Git-Url: http://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Fbdwrite.C;fp=cinelerra-5.1%2Fcinelerra%2Fbdwrite.C;h=a26d56aa796f416fbb037090e6dc10446c96b70d;hb=2f28632d8209ef735de1698a596bc94fa9613497;hp=93b656904734ab4080980bc40a90b15b6c03f9a6;hpb=89ad004d909a8ae5dba635a2a11f9290aa14b352;p=goodguy%2Fhistory.git

diff --git a/cinelerra-5.1/cinelerra/bdwrite.C b/cinelerra-5.1/cinelerra/bdwrite.C
index 93b65690..a26d56aa 100644
--- a/cinelerra-5.1/cinelerra/bdwrite.C
+++ b/cinelerra-5.1/cinelerra/bdwrite.C
@@ -2882,8 +2882,8 @@ bd_path(const char *bp, const char *fmt, va_list ap)
 int Media::
 bd_copy(const char *ifn, const char *fmt, ...)
 {
-  int n, ret = 1;
-  char bfr[0x40000];
+  int bfrsz = 0x40000, ret = 1;
+  char bfr[bfrsz];
   FILE *ifp = fopen(ifn,"r");
   if( ifp ) {
     va_list ap;
@@ -2894,9 +2894,27 @@ bd_copy(const char *ifn, const char *fmt, ...)
     if( ofp ) {
       setvbuf(ifp, 0, _IOFBF, 0x80000);
       setvbuf(ofp, 0, _IOFBF, 0x80000);
-      while( (n=fread(bfr,1,sizeof(bfr),ifp)) > 0 ) fwrite(bfr,1,n,ofp);
-      fclose(ofp);
       ret = 0;
+      int n = bfrsz;
+      while( !ret && n >= bfrsz ) {
+	n = fread(bfr,1,bfrsz,ifp);
+        if( n > 0 && (int)fwrite(bfr,1,n,ofp) != n ) {
+          fprintf(stderr, "cant write: %s\n",filename);
+          ret = 1;
+	}
+      }
+      if( ferror(ifp) ) {
+        fprintf(stderr, "read error: %s = %m\n",ifn);
+        ret = 1;
+      }
+      if( ferror(ofp) ) {
+        fprintf(stderr, "write error: %s = %m\n",filename);
+        ret = 1;
+      }
+      if( fclose(ofp) ) {
+        fprintf(stderr, "close error: %s = %m\n",filename);
+        ret = 1;
+      }
     }
     fclose(ifp);
   }