From 6cdfd7de7741015946963c2a933f683eed48b6cd Mon Sep 17 00:00:00 2001 From: tromey Date: Fri, 22 Nov 2002 21:01:24 +0000 Subject: [PATCH] 2002-11-22 Ranjit Mathew Andrew Haley * gcc/java/jcf-write.c (write_classfile): Remove target class file, if it exists, before renaming the temporary class file to it. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@59386 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/java/ChangeLog | 7 +++++++ gcc/java/jcf-write.c | 9 +++++++++ 2 files changed, 16 insertions(+) diff --git a/gcc/java/ChangeLog b/gcc/java/ChangeLog index 31379a1..0a2f1dc 100644 --- a/gcc/java/ChangeLog +++ b/gcc/java/ChangeLog @@ -1,3 +1,10 @@ +2002-11-22 Ranjit Mathew + Andrew Haley + + * gcc/java/jcf-write.c (write_classfile): Remove target + class file, if it exists, before renaming the temporary + class file to it. + 2002-11-19 Jason Thorpe * jvspec.c (lang_specific_spec_functions): New. diff --git a/gcc/java/jcf-write.c b/gcc/java/jcf-write.c index 1a9f107..47cfd11 100644 --- a/gcc/java/jcf-write.c +++ b/gcc/java/jcf-write.c @@ -3422,6 +3422,15 @@ write_classfile (clas) write_chunks (stream, chunks); if (fclose (stream)) fatal_io_error ("error closing %s", temporary_file_name); + + /* If a file named by the string pointed to by `new' exists + prior to the call to the `rename' function, the bahaviour + is implementation-defined. ISO 9899-1990 7.9.4.2. + + For example, on Win32 with MSVCRT, it is an error. */ + + unlink (class_file_name); + if (rename (temporary_file_name, class_file_name) == -1) { remove (temporary_file_name); -- 2.7.4