struct re_fail_stack_t *fs;
struct re_fail_stack_t fs_body = { 0, 2, NULL };
regmatch_t *prev_idx_match;
+ int prev_idx_match_malloced = 0;
#ifdef DEBUG
assert (nmatch > 1);
cur_node = dfa->init_node;
re_node_set_init_empty (&eps_via_nodes);
- prev_idx_match = (regmatch_t *) alloca (sizeof (regmatch_t) * nmatch);
+ if (__libc_use_alloca (nmatch * sizeof (regmatch_t)))
+ prev_idx_match = (regmatch_t *) alloca (nmatch * sizeof (regmatch_t));
+ else
+ {
+ prev_idx_match = re_malloc (regmatch_t, nmatch);
+ if (prev_idx_match == NULL)
+ {
+ free_fail_stack_return (fs);
+ return REG_ESPACE;
+ }
+ prev_idx_match_malloced = 1;
+ }
memcpy (prev_idx_match, pmatch, sizeof (regmatch_t) * nmatch);
for (idx = pmatch[0].rm_so; idx <= pmatch[0].rm_eo ;)
if (reg_idx == nmatch)
{
re_node_set_free (&eps_via_nodes);
+ if (prev_idx_match_malloced)
+ re_free (prev_idx_match);
return free_fail_stack_return (fs);
}
cur_node = pop_fail_stack (fs, &idx, nmatch, pmatch,
else
{
re_node_set_free (&eps_via_nodes);
+ if (prev_idx_match_malloced)
+ re_free (prev_idx_match);
return REG_NOERROR;
}
}
if (BE (cur_node == -2, 0))
{
re_node_set_free (&eps_via_nodes);
+ if (prev_idx_match_malloced)
+ re_free (prev_idx_match);
free_fail_stack_return (fs);
return REG_ESPACE;
}
else
{
re_node_set_free (&eps_via_nodes);
+ if (prev_idx_match_malloced)
+ re_free (prev_idx_match);
return REG_NOMATCH;
}
}
}
re_node_set_free (&eps_via_nodes);
+ if (prev_idx_match_malloced)
+ re_free (prev_idx_match);
return free_fail_stack_return (fs);
}
from `state'. `dests_node[i]' represents the nodes which i-th
destination state contains, and `dests_ch[i]' represents the
characters which i-th destination state accepts. */
-#ifdef _LIBC
if (__libc_use_alloca ((sizeof (re_node_set) + sizeof (bitset)) * SBC_MAX))
dests_node = (re_node_set *)
alloca ((sizeof (re_node_set) + sizeof (bitset)) * SBC_MAX);
else
-#endif
{
dests_node = (re_node_set *)
malloc ((sizeof (re_node_set) + sizeof (bitset)) * SBC_MAX);
if (BE (err != REG_NOERROR, 0))
goto out_free;
-#ifdef _LIBC
if (__libc_use_alloca ((sizeof (re_node_set) + sizeof (bitset)) * SBC_MAX
+ ndests * 3 * sizeof (re_dfastate_t *)))
dest_states = (re_dfastate_t **)
alloca (ndests * 3 * sizeof (re_dfastate_t *));
else
-#endif
{
dest_states = (re_dfastate_t **)
malloc (ndests * 3 * sizeof (re_dfastate_t *));