From 9cd2e9ec8fc0127393dfce9c0359d500c8c238be Mon Sep 17 00:00:00 2001
From: Edward Rudd <urkle@outoforder.cc>
Date: Tue, 09 Apr 2019 02:22:50 +0000
Subject: [PATCH] updae source to 2.0.9 source
---
source/src/dynapi/SDL_dynapi.c | 35 +++++++++++++++++++++--------------
1 files changed, 21 insertions(+), 14 deletions(-)
diff --git a/source/src/dynapi/SDL_dynapi.c b/source/src/dynapi/SDL_dynapi.c
index b898826..97bc218 100644
--- a/source/src/dynapi/SDL_dynapi.c
+++ b/source/src/dynapi/SDL_dynapi.c
@@ -27,6 +27,7 @@
#if defined(__OS2__)
#define INCL_DOS
#define INCL_DOSERRORS
+#include <os2.h>
#include <dos.h>
#endif
@@ -167,15 +168,10 @@
#error Write me.
#endif
-
-
-/* Here's the exported entry point that fills in the jump table. */
-/* Use specific types when an "int" might suffice to keep this sane. */
-typedef Sint32 (SDLCALL *SDL_DYNAPI_ENTRYFN)(Uint32 apiver, void *table, Uint32 tablesize);
-extern DECLSPEC Sint32 SDLCALL SDL_DYNAPI_entry(Uint32, void *, Uint32);
-
-Sint32
-SDL_DYNAPI_entry(Uint32 apiver, void *table, Uint32 tablesize)
+/* we make this a static function so we can call the correct one without the
+ system's dynamic linker resolving to the wrong version of this. */
+static Sint32
+initialize_jumptable(Uint32 apiver, void *table, Uint32 tablesize)
{
SDL_DYNAPI_jump_table *output_jump_table = (SDL_DYNAPI_jump_table *) table;
@@ -199,6 +195,18 @@
/* Safe to call SDL functions now; jump table is initialized! */
return 0; /* success! */
+}
+
+
+/* Here's the exported entry point that fills in the jump table. */
+/* Use specific types when an "int" might suffice to keep this sane. */
+typedef Sint32 (SDLCALL *SDL_DYNAPI_ENTRYFN)(Uint32 apiver, void *table, Uint32 tablesize);
+extern DECLSPEC Sint32 SDLCALL SDL_DYNAPI_entry(Uint32, void *, Uint32);
+
+Sint32
+SDL_DYNAPI_entry(Uint32 apiver, void *table, Uint32 tablesize)
+{
+ return initialize_jumptable(apiver, table, tablesize);
}
@@ -260,7 +268,7 @@
SDL_InitDynamicAPILocked(void)
{
const char *libname = SDL_getenv_REAL("SDL_DYNAMIC_API");
- SDL_DYNAPI_ENTRYFN entry = SDL_DYNAPI_entry; /* funcs from here by default. */
+ SDL_DYNAPI_ENTRYFN entry = NULL; /* funcs from here by default. */
if (libname) {
entry = (SDL_DYNAPI_ENTRYFN) get_sdlapi_entry(libname, "SDL_DYNAPI_entry");
@@ -268,16 +276,15 @@
/* !!! FIXME: fail to startup here instead? */
/* !!! FIXME: definitely warn user. */
/* Just fill in the function pointers from this library. */
- entry = SDL_DYNAPI_entry;
}
}
- if (entry(SDL_DYNAPI_VERSION, &jump_table, sizeof (jump_table)) < 0) {
+ if (!entry || (entry(SDL_DYNAPI_VERSION, &jump_table, sizeof (jump_table)) < 0)) {
/* !!! FIXME: fail to startup here instead? */
/* !!! FIXME: definitely warn user. */
/* Just fill in the function pointers from this library. */
- if (entry != SDL_DYNAPI_entry) {
- if (!SDL_DYNAPI_entry(SDL_DYNAPI_VERSION, &jump_table, sizeof (jump_table))) {
+ if (!entry) {
+ if (!initialize_jumptable(SDL_DYNAPI_VERSION, &jump_table, sizeof (jump_table))) {
/* !!! FIXME: now we're screwed. Should definitely abort now. */
}
}
--
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