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Special handling for WRDSE_USAGE.

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* src/wordsplit.c (wordsplit_run): Initialize ws_errctx early. This
ensures that wordsplit_strerror gets correct data after WRDSE_USAGE.
(wordsplit_free): Return immediately if errno was WRDSE_USAGE.
This commit is contained in:
Sergey Poznyakoff 2019-06-05 16:34:43 +03:00
parent 6c37c44ee0
commit b4fefca052
1 changed files with 6 additions and 0 deletions
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6
src/wordsplit.c
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@ -2686,6 +2686,8 @@ wordsplit_run (const char *command, size_t length, struct wordsplit *wsp,
int rc;
size_t start;
/* Initialize error context early */
wsp->ws_errctx = NULL;
if (!command)
{
if (!(flags & WRDSF_INCREMENTAL))
@ -2796,6 +2798,10 @@ wordsplit_clearerr (struct wordsplit *ws)
void
wordsplit_free (struct wordsplit *ws)
{
if (ws->ws_errno == WRDSE_USAGE)
/* Usage error: the structure is not properly initialized and there's
nothing to free. */
return;
wordsplit_clearerr (ws);
wordsplit_free_nodes (ws);
wordsplit_free_words (ws);