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* fileio.c (Finsert_file_contents): Simplify.

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Remove unnecessary assignments and tests.
This commit is contained in:
Paul Eggert 2013-01-21 22:10:20 -08:00
parent bb677ef744
commit b41b8a7eff
2 changed files with 10 additions and 14 deletions
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5
src/ChangeLog
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@ -1,3 +1,8 @@
2013-01-22 Paul Eggert <eggert@cs.ucla.edu>
* fileio.c (Finsert_file_contents): Simplify.
Remove unnecessary assignments and tests.
2013-01-21 Eli Zaretskii <eliz@gnu.org>
* w32.c (acl_set_file): Don't test for errors unless

19
src/fileio.c
View file

@ -3573,7 +3573,6 @@ by calling `format-decode', which see. */)
report_file_error ("Opening input file", Fcons (orig_filename, Qnil));
mtime = time_error_value (save_errno);
st.st_size = -1;
how_much = 0;
if (!NILP (Vcoding_system_for_read))
Fset (Qbuffer_file_coding_system, Vcoding_system_for_read);
goto notfound;
@ -4008,30 +4007,25 @@ by calling `format-decode', which see. */)
report_file_error ("Setting file position",
Fcons (orig_filename, Qnil));
total = st.st_size; /* Total bytes in the file. */
how_much = 0; /* Bytes read from file so far. */
inserted = 0; /* Bytes put into CONVERSION_BUFFER so far. */
unprocessed = 0; /* Bytes not processed in previous loop. */
GCPRO1 (conversion_buffer);
while (how_much < total)
while (1)
{
/* We read one bunch by one (READ_BUF_SIZE bytes) to allow
quitting while reading a huge while. */
/* `try'' is reserved in some compilers (Microsoft C). */
int trytry = min (total - how_much, READ_BUF_SIZE - unprocessed);
/* Read at most READ_BUF_SIZE bytes at a time, to allow
quitting while reading a huge file. */
/* Allow quitting out of the actual I/O. */
immediate_quit = 1;
QUIT;
this = emacs_read (fd, read_buf + unprocessed, trytry);
this = emacs_read (fd, read_buf + unprocessed,
READ_BUF_SIZE - unprocessed);
immediate_quit = 0;
if (this <= 0)
break;
how_much += this;
BUF_TEMP_SET_PT (XBUFFER (conversion_buffer),
BUF_Z (XBUFFER (conversion_buffer)));
decode_coding_c_string (&coding, (unsigned char *) read_buf,
@ -4048,9 +4042,6 @@ by calling `format-decode', which see. */)
so defer the removal till we reach the `handled' label. */
deferred_remove_unwind_protect = 1;
/* At this point, HOW_MUCH should equal TOTAL, or should be <= 0
if we couldn't read the file. */
if (this < 0)
error ("IO error reading %s: %s",
SDATA (orig_filename), emacs_strerror (errno));