From: Dan Nicolaescu <dann@ics.uci.edu>
Subject: Problem report #13
Date: Tue, 11 Apr 2006 08:49:26 -0700 [thread overview]
Message-ID: <200604111549.k3BFnQ2N015126@scanner2.ics.uci.edu> (raw)
CID: 13
Checker: FORWARD_NULL (help)
File: emacs/src/coding.c
Function: encode_coding_string
Description: Variable "(coding)->cmp_data" tracked as NULL was passed to a function that dereferences it.
Event var_compare_op: Added "(coding)->cmp_data" due to comparison "(coding)->cmp_data == 0"
Also see events: [var_deref_model]
At conditional (1): "(coding)->cmp_data == 0" taking true path
6435 if (coding->type != coding_type_ccl
6436 && (! coding->cmp_data || coding->cmp_data->used == 0))
6437 {
At conditional (2): "(to_byte - from) > shrink_conversion_region_threshhold" taking true path
At conditional (3): "1" taking true path
At conditional (4): "0" taking false path
6438 SHRINK_CONVERSION_REGION (&from, &to_byte, coding, SDATA (str),
6439 1);
At conditional (5): "from == to_byte" taking false path
6440 if (from == to_byte)
6441 {
6442 coding_free_composition_data (coding);
6443 goto no_need_of_encoding;
6444 }
At conditional (6): "((0), (str & -8))->size_byte < 0" taking true path
6445 shrinked_bytes = from + (SBYTES (str) - to_byte);
6446 }
6447
6448 len = encoding_buffer_size (coding, to_byte - from);
At conditional (7): "len < 16384" taking true path
At conditional (8): "0" taking false path
6449 allocate_conversion_buffer (buf, len);
6450
6451 consumed = consumed_char = produced = produced_char = 0;
At conditional (9): "1" taking true path
6452 while (1)
6453 {
Event var_deref_model: Variable "(coding)->cmp_data" tracked as NULL was passed to a function that dereferences it. [model]
Also see events: [var_compare_op]
6454 result = encode_coding (coding, SDATA (str) + from + consumed,
6455 buf.data + produced, to_byte - from - consumed,
6456 buf.size - produced);
next reply other threads:[~2006-04-11 15:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-11 15:49 Dan Nicolaescu [this message]
2006-05-11 2:19 ` Problem report #13 FALSE Kenichi Handa
2006-05-11 2:46 ` Dan Nicolaescu
2006-05-11 9:30 ` Andreas Schwab
2006-05-11 10:58 ` Kenichi Handa
2006-05-11 9:40 ` Jason Rumney
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