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author | Paul Eggert <eggert@cs.ucla.edu> | 2023-02-13 08:51:45 -0800 |
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committer | Paul Eggert <eggert@cs.ucla.edu> | 2023-02-13 12:32:59 -0800 |
commit | ccc092115172f15c9135771f90d0000f8bf21614 (patch) | |
tree | cf5ebbd018a434dfb289a708ecc623d35e107c5a /src/fileio.c | |
parent | b0842671e750be08356425e2fc38251e7b08d5d7 (diff) | |
download | emacs-ccc092115172f15c9135771f90d0000f8bf21614.tar.gz |
Don’t scan text twice to guess coding system
* src/fileio.c (Finsert_file_contents): If the file shrank
below 4 KiB, don’t read duplicate text into READ_BUF.
This also removes a use of SEEK_END, which Linux /proc
file systems do not support (not that we should get here
with /proc).
Diffstat (limited to 'src/fileio.c')
-rw-r--r-- | src/fileio.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/fileio.c b/src/fileio.c index 751b8ec573c..47177be0f4d 100644 --- a/src/fileio.c +++ b/src/fileio.c @@ -4119,7 +4119,7 @@ by calling `format-decode', which see. */) if (nread == 1024) { int ntail; - if (lseek (fd, - (1024 * 3), SEEK_END) < 0) + if (lseek (fd, st.st_size - 1024 * 3, SEEK_CUR) < 0) report_file_error ("Setting file position", orig_filename); ntail = emacs_read_quit (fd, read_buf + nread, 1024 * 3); |