diff options
author | Karl Heuer <[email protected]> | 1995-04-20 21:15:39 +0000 |
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committer | Karl Heuer <[email protected]> | 1995-04-20 21:15:39 +0000 |
commit | dc7e2b301d8a9348c72faaacced7d1d08100ff88 (patch) | |
tree | 6dddd9b737edfab309c1e6a89b8ece171dac047d /src | |
parent | f8c2630dfb3a1f267083974d375d1901e9b6c38e (diff) |
(Fexpand_abbrev): Add some error checking.
Diffstat (limited to 'src')
-rw-r--r-- | src/abbrev.c | 10 |
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) |