Copy a resource fork into a data fork

1 files changed, 99 insertions, 0 deletions

diff --git a/res2data.c b/res2data.c
new file mode 100644
index 0000000..8ea7d9c
--- /dev/null
+++ b/res2data.c
@@ -0,0 +1,99 @@
+/* Copyright (C) 2002 by George Williams */
+/*
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+
+ * The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <time.h>
+
+#ifdef __Mac
+#include "MacFiles.h"
+
+static int ToResourceFork(char *filename) {
+    /* If we're on a mac, we can try to see if we've got a real resource fork */
+    FSRef ref;
+    FSSpec spec;
+    short res;
+    int cnt, ret;
+    FILE *temp;
+    char *buf, *pt;
+
+    if ( FSPathMakeRef( (unsigned char *) filename,&ref,NULL)!=noErr )
+return( 0 );
+    if ( FSGetCatalogInfo(&ref,0,NULL,NULL,&spec,NULL)!=noErr )
+return( 0 );
+    if ( FSpOpenRF(&spec,fsRdPerm,&res)!=noErr )
+return( 0 );
+    buf = malloc(strlen(filename)+strlen(".res")+20);
+    pt = strrchr(filename,'/');
+    if ( pt==NULL ) pt=filename-1;
+    strcpy(buf,pt+1);
+    strcat(buf,".res");
+    temp = fopen(buf,"w");
+    if ( temp==NULL ) {
+	fprintf( stderr, "Failed to open %s for output\n", buf);
+return( -1 );
+    }
+    buf = malloc(8192);
+    while ( 1 ) {
+	cnt = 8192;
+	ret = FSRead(res,&cnt,buf);
+	if ( cnt!=0 )
+	    fwrite(buf,1,cnt,temp);
+	if ( ret==eofErr )
+    break;
+	if ( ret!=noErr )
+    break;
+    }
+    free(buf);
+    FSClose(res);
+    fclose(temp);
+return( 1 );
+}
+
+static void Usage(char *prog) {
+    fprintf( stderr, " Usage: %s files\n  Copies the resource forks of the specified files into data forks.\n", prog );
+    exit( 1 );
+}
+
+int main(int argc, char **argv) {
+    int i;
+
+    if ( argc<=1 )
+	    Usage(argv[0]);
+    for ( i=1; i<argc; ++i ) {
+	if ( *argv[i]=='-' )
+	    Usage(argv[0]);
+	else if ( ToResourceFork(argv[i])==-1 )
+	    fprintf( stderr, "%s has no resource fork\n", argv[i]);
+    }
+return( 0 );
+}
+#endif
+