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(Finsert_file_contents): Declare buffer as unsigned

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char.  When comparing with file size convert same_at_start to
distance to buffer start.  If the file matches the buffer
contents truncate the buffer to the size of the file.
This commit is contained in:
Richard M. Stallman 1994-05-20 23:14:58 +00:00
parent 2d2eeace3b
commit 1051b3b3ef
1 changed files with 3 additions and 1 deletions
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4
src/fileio.c
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@ -2694,10 +2694,12 @@ and (2) it puts less data in the undo list.")
immediate_quit = 0;
/* If the file matches the buffer completely,
there's no need to replace anything. */
if (same_at_start == st.st_size)
if (same_at_start - BEGV == st.st_size)
{
close (fd);
specpdl_ptr--;
/* Truncate the buffer to the size of the file. */
del_range_1 (same_at_start, same_at_end, 0);
goto handled;
}
immediate_quit = 1;