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authorKarl Heuer <[email protected]>1995-04-20 21:15:39 +0000
committerKarl Heuer <[email protected]>1995-04-20 21:15:39 +0000
commitdc7e2b301d8a9348c72faaacced7d1d08100ff88 (patch)
tree6dddd9b737edfab309c1e6a89b8ece171dac047d /src
parentf8c2630dfb3a1f267083974d375d1901e9b6c38e (diff)
(Fexpand_abbrev): Add some error checking.
Diffstat (limited to 'src')
-rw-r--r--src/abbrev.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/src/abbrev.c b/src/abbrev.c
index 244d530c46..e4a3394124 100644
--- a/src/abbrev.c
+++ b/src/abbrev.c
@@ -229,7 +229,9 @@ Returns t if expansion took place.")
expansion". */
value = (MODIFF != oldmodiff ? Qt : Qnil);
- if (XBUFFER (Vabbrev_start_location_buffer) != current_buffer)
+ wordstart = 0;
+ if (!(BUFFERP (Vabbrev_start_location_buffer) &&
+ XBUFFER (Vabbrev_start_location_buffer) == current_buffer))
Vabbrev_start_location = Qnil;
if (!NILP (Vabbrev_start_location))
{
@@ -237,10 +239,12 @@ Returns t if expansion took place.")
CHECK_NUMBER_COERCE_MARKER (tem, 0);
wordstart = XINT (tem);
Vabbrev_start_location = Qnil;
- if (FETCH_CHAR (wordstart) == '-')
+ if (wordstart < BEGV || wordstart > ZV)
+ wordstart = 0;
+ if (wordstart && wordstart != ZV && FETCH_CHAR (wordstart) == '-')
del_range (wordstart, wordstart + 1);
}
- else
+ if (!wordstart)
wordstart = scan_words (point, -1);
if (!wordstart)