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* Emacs should no longer silently modify a binary file when instructed not to.
Patch: detect-coding-iso2022.diff
Provided-by: Kenichi Handa <handa@etl.go.jp>
Added-by: Rob Browning <rlb@defaultvalue.org>
Status: backported from upstream fix of 2002-07-26
Emacs should no longer modify a binary file when told to use a
raw-text or no-conversion for the encoding during a save.
diff -urNad /home/rlb/deb/emacs21/trunk/src/coding.c trunk/src/coding.c
--- /home/rlb/deb/emacs21/trunk/src/coding.c 2003-09-09 17:28:48.000000000 -0500
+++ trunk/src/coding.c 2003-09-11 22:16:16.000000000 -0500
@@ -1359,6 +1359,7 @@
while (mask && src < src_end)
{
ONE_MORE_BYTE_CHECK_MULTIBYTE (c, multibytep);
+ retry:
switch (c)
{
case ISO_CODE_ESC:
@@ -1556,6 +1557,8 @@
&& mask & CODING_CATEGORY_MASK_ISO_8_2)
{
int i = 1;
+
+ c = -1;
while (src < src_end)
{
ONE_MORE_BYTE_CHECK_MULTIBYTE (c, multibytep);
@@ -1568,6 +1571,9 @@
mask &= ~CODING_CATEGORY_MASK_ISO_8_2;
else
mask_found |= CODING_CATEGORY_MASK_ISO_8_2;
+ if (c >= 0)
+ /* This means that we have read one extra byte. */
+ goto retry;
}
}
break;
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