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Avoid use of va in PR_Sprintf 

With this, progs strings are thread safe so long as only one thread
tries to use the VM.
This commit is contained in:
Bill Currie 2020-02-26 18:35:19 +09:00
parent 0f4d89a832
commit 36bc139b27
1 changed files with 7 additions and 5 deletions
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12
libs/gamecode/pr_strings.c
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@ -86,6 +86,7 @@ typedef struct prstr_resources_s {
struct hashtab_s *strref_hash;
int num_strings;
fmt_item_t *free_fmt_items;
dstring_t *print_str;
} prstr_resources_t;
typedef enum {
@ -623,10 +624,9 @@ PR_FreeTempStrings (progs_t *pr)
list item.
*/
static void
I_DoPrint (dstring_t *result, fmt_item_t *formatting)
I_DoPrint (dstring_t *tmp, dstring_t *result, fmt_item_t *formatting)
{
fmt_item_t *current = formatting;
dstring_t *tmp = dstring_new ();
while (current) {
qboolean doPrecision, doWidth;
@ -689,7 +689,6 @@ I_DoPrint (dstring_t *result, fmt_item_t *formatting)
}
current = current->next;
}
dstring_delete (tmp);
}
static fmt_item_t *
@ -940,11 +939,13 @@ PR_Sprintf (progs_t *pr, dstring_t *result, const char *name,
msg = "Not enough arguments for format string.";
else
msg = "Too many arguments for format string.";
msg = va ("%s: %d %d", msg, fmt_count, count);
dsprintf (res->print_str, "%s: %d %d", msg, fmt_count, count);
msg = res->print_str->str;
goto error;
}
I_DoPrint (result, fmt_items);
dstring_clear (res->print_str);
I_DoPrint (res->print_str, result, fmt_items);
while (fmt_items) {
fmt_item_t *t = fmt_items->next;
free_fmt_item (res, fmt_items);
@ -960,6 +961,7 @@ PR_Strings_Init (progs_t *pr)
{
prstr_resources_t *res = calloc (1, sizeof (*res));
res->pr = pr;
res->print_str = dstring_new ();
PR_Resources_Register (pr, "Strings", res, pr_strings_clear);
PR_AddLoadFunc (pr, PR_LoadStrings);