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Ensure that the nsock engine_hint refers to a valid one. If not, abort

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execution.
This commit is contained in:
henri
2012-10-21 19:44:26 +00:00
parent 1e3115dbcb
commit 615de92974
1 changed files with 14 additions and 3 deletions
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17
nsock/src/nsock_engines.c
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@@ -111,9 +111,20 @@ void nsock_set_default_engine(char *engine) {
if (engine_hint)
free(engine_hint);
if (engine)
engine_hint = strdup(engine);
else
if (engine) {
int i;
for (i = 0; available_engines[i] != NULL; i++) {
if (strcmp(engine, available_engines[i]->name) == 0) {
engine_hint = strdup(engine);
return;
}
}
fatal("Unknown or non-available IO engine: %s\n", engine);
} else {
/* having engine = NULL is fine. This is actually the
* way to tell nsock to use the default engine again. */
engine_hint = NULL;
}
}