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apps: make sure prog_init only calculates once 

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5002)
This commit is contained in:
Richard Levitte 2017-12-31 08:44:12 +01:00
parent a032ed0a7b
commit 391e987e9c
1 changed files with 9 additions and 2 deletions
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11
apps/openssl.c
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@ -787,12 +787,19 @@ static void list_disabled(void)
static LHASH_OF(FUNCTION) *prog_init(void)
{
LHASH_OF(FUNCTION) *ret;
static LHASH_OF(FUNCTION) *ret = NULL;
static int prog_inited = 0;
FUNCTION *f;
size_t i;
if (prog_inited)
return ret;
prog_inited = 1;
/* Sort alphabetically within category. For nicer help displays. */
for (i = 0, f = functions; f->name != NULL; ++f, ++i) ;
for (i = 0, f = functions; f->name != NULL; ++f, ++i)
;
qsort(functions, i, sizeof(*functions), SortFnByName);
if ((ret = lh_FUNCTION_new(function_hash, function_cmp)) == NULL)