void-packages/srcpkgs/mac-fdisk/patches/mac-fdisk-large-disk-suppor...

81 lines
1.4 KiB
Diff

--- a/partition_map.c
+++ b/partition_map.c
@@ -25,6 +25,11 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
+//
+// Defines
+//
+// #define TEST_COMPUTE
+
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
@@ -36,6 +41,10 @@
#include <sys/ioctl.h>
#include "kernel-defs.h"
#include <sys/stat.h>
+#ifdef TEST_COMPUTE
+#include <linux/fs.h>
+#endif
+
#endif
#include "partition_map.h"
@@ -45,10 +54,6 @@
#include "errors.h"
-//
-// Defines
-//
-// #define TEST_COMPUTE
//
@@ -666,7 +671,7 @@
loff_t pos;
#endif
char* data;
- unsigned long l, r, x;
+ unsigned long long l, r, x;
int valid;
#ifdef TEST_COMPUTE
@@ -720,9 +725,11 @@
} else {
r = r * 2;
}
- if (r >= (1024*1024*1024)) {
- break;
- }
+// There's no explanation for this, but I suspect the author was trying to
+// prevent going over the 32 bit size
+// if (r >= (1024*1024*1024*2)) {
+// break;
+// }
}
// binary search for end
while (l <= r) {
@@ -740,11 +747,17 @@
if (valid != 0) {
x = x + 1;
}
- // printf("size in blocks = %d\n", x);
+#ifdef TEST_COMPUTE
+ printf("size in blocks = %d\n", x);
+#endif
free(data);
}
+
+ // Add a warning just in case...
+ if(x > 0x80000000)
+ printf("Warning: Large disks may not work with this tool!\n");
- return x;
+ return (unsigned long) x;
}