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Properly record mtime after insert-file-contents on Android

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* src/fileio.c (write_region): Do not verify file identity after
retreiving file status for the second time if st_ino is 0.
This commit is contained in:
Po Lu 2024-02-17 10:27:26 +08:00
parent 4b89fb08bd
commit 5b65c2ad75
1 changed files with 9 additions and 1 deletions
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10
src/fileio.c
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@ -5628,7 +5628,15 @@ write_region (Lisp_Object start, Lisp_Object end, Lisp_Object filename,
changed to a call to `stat'. */
if (emacs_fstatat (AT_FDCWD, fn, &st1, 0) == 0
&& st.st_dev == st1.st_dev && st.st_ino == st1.st_ino)
&& st.st_dev == st1.st_dev
&& (st.st_ino == st1.st_ino
#if defined HAVE_ANDROID && !defined ANDROID_STUBIFY
/* `st1.st_ino' == 0 indicates that the inode number
cannot be extracted from this document file, despite
`st' potentially being backed by a real file. */
|| st1.st_ino == 0
#endif /* defined HAVE_ANDROID && !defined ANDROID_STUBIFY */
))
{
/* Use the heuristic if it appears to be valid. With neither
O_EXCL nor O_TRUNC, if Emacs happened to write nothing to the