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cleaned up the readonly check in readfile()

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Stefan Hoffmann 2014-03-16 19:55:49 +01:00 committed by Thiago de Arruda
parent 5a2c9e123e
commit fa2b327e9a
1 changed files with 10 additions and 7 deletions
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17
src/fileio.c
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@ -472,16 +472,19 @@ readfile (
}
/*
* check readonly by trying to open the file for writing
* Check readonly by trying to open the file for writing.
* If this fails, we know that the file is readonly.
*/
file_readonly = FALSE;
if (read_stdin) {
} else if (!read_buffer) {
if (!newfile
|| readonlymode
|| (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0) {
if (!read_buffer && !read_stdin) {
if (!newfile || readonlymode) {
file_readonly = TRUE;
/* try to open ro */
} else if ((fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0) {
// opening in readwrite mode failed => file is readonly
file_readonly = TRUE;
}
if (file_readonly == TRUE) {
// try to open readonly
fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
}
}