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| author | dgp <dgp@users.sourceforge.net> | 2013-03-06 21:54:37 (GMT) |
|---|---|---|
| committer | dgp <dgp@users.sourceforge.net> | 2013-03-06 21:54:37 (GMT) |
| commit | 950d5f67e55c88bd2094c93e236c405ec3fde818 (patch) | |
| tree | e9208f4d15b7dc7da675c90f0612caa27423354e /generic/regc_nfa.c | |
| parent | 12b832c497b2fed905ba308f5d80ddf88a92102a (diff) | |
| parent | 505efdc6148a12a025d319f4ff5f4e9bfb55e9b8 (diff) | |
| download | tcl-950d5f67e55c88bd2094c93e236c405ec3fde818.zip tcl-950d5f67e55c88bd2094c93e236c405ec3fde818.tar.gz tcl-950d5f67e55c88bd2094c93e236c405ec3fde818.tar.bz2 | |
Cleaner error handling in fixempties().
Diffstat (limited to 'generic/regc_nfa.c')
| -rw-r--r-- | generic/regc_nfa.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/generic/regc_nfa.c b/generic/regc_nfa.c index af0bf3f..2fc3a05 100644 --- a/generic/regc_nfa.c +++ b/generic/regc_nfa.c @@ -1383,6 +1383,9 @@ fixempties( } s->tmp = NULL; } + if (NISERR()) { + return; + } /* * Remove all the EMPTY arcs, since we don't need them anymore. @@ -1402,14 +1405,14 @@ fixempties( * combine it with the previous step; but cleanup() will take care * of anything we miss.) */ - for (s = nfa->states; s != NULL && !NISERR(); s = nexts) { + for (s = nfa->states; s != NULL; s = nexts) { nexts = s->next; if ((s->nins == 0 || s->nouts == 0) && !s->flag) { dropstate(nfa, s); } } - if (f != NULL && !NISERR()) { + if (f != NULL) { dumpnfa(nfa, f); } } |