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jcf-write.c (write_classfile): Unlink the temporary file if it cannot be renamed.

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* jcf-write.c (write_classfile): Unlink the temporary file if it
	cannot be renamed.  Use concat to build up the name of the
	temporary file

From-SVN: r53439
This commit is contained in:
Mark Mitchell 2002-05-14 00:04:54 +00:00 committed by Mark Mitchell
parent 546c093ec5
commit 2f9a2cd769
2 changed files with 12 additions and 5 deletions
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8
gcc/java/ChangeLog
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@ -1,6 +1,12 @@
2002-05-13 Mark Mitchell <mark@codesourcery.com>
* jcf-write.c (write_classfile): Unlink the temporary file if it
cannot be renamed. Use concat to build up the name of the
temporary file.
2002-05-08 Mark Mitchell <mark@codesourcery.com>
* java/jcf-write.c (write_classfile): Write the file to a
* jcf-write.c (write_classfile): Write the file to a
temporary file and then rename it.
2002-05-07 Tom Tromey <tromey@redhat.com>

9
gcc/java/jcf-write.c
View File

@ -3380,9 +3380,7 @@ write_classfile (clas)
/* The .class file is initially written to a ".tmp" file so that
if multiple instances of the compiler are running at once
they do not see partially formed class files. */
temporary_file_name = xmalloc (strlen (class_file_name)
+ strlen (".tmp") + 1);
sprintf (temporary_file_name, "%s.tmp", class_file_name);
temporary_file_name = concat (class_file_name, ".tmp", NULL);
stream = fopen (temporary_file_name, "wb");
if (stream == NULL)
fatal_io_error ("can't open %s for writing", temporary_file_name);
@ -3394,7 +3392,10 @@ write_classfile (clas)
if (fclose (stream))
fatal_io_error ("error closing %s", temporary_file_name);
if (rename (temporary_file_name, class_file_name) == -1)
fatal_io_error ("can't create %s", class_file_name);
{
remove (temporary_file_name);
fatal_io_error ("can't create %s", class_file_name);
}
free (temporary_file_name);
free (class_file_name);
}