Fix an off-by-one bug in temp file creation. Seeking to the desired
length and writing a byte resulted in the file being one byte longer
than expected.
Signed-off-by: Jeff Dike <[EMAIL PROTECTED]>
Index: linux-2.6.17/arch/um/os-Linux/mem.c
===================================================================
--- linux-2.6.17.orig/arch/um/os-Linux/mem.c 2006-06-29 10:42:11.000000000
-0400
+++ linux-2.6.17/arch/um/os-Linux/mem.c 2006-06-29 11:42:23.000000000 -0400
@@ -210,8 +210,11 @@ int create_tmp_file(unsigned long long l
exit(1);
}
- if (lseek64(fd, len, SEEK_SET) < 0) {
- perror("os_seek_file");
+ /* Seek to len - 1 because writing a character there will
+ * increase the file size by one byte, to the desired length.
+ */
+ if (lseek64(fd, len - 1, SEEK_SET) < 0) {
+ perror("os_seek_file");
exit(1);
}
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