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dynapi: Abstract out the environment variable name.

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This commit is contained in:
Ryan C. Gordon 2022-11-29 14:13:02 -05:00
parent cf0cb44df8
commit a3225ae6de
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GPG key ID: FA148B892AB48044
1 changed files with 5 additions and 3 deletions
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8
src/dynapi/SDL_dynapi.c
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@ -24,6 +24,8 @@
#if SDL_DYNAMIC_API #if SDL_DYNAMIC_API
#define SDL_DYNAMIC_API_ENVVAR "SDL3_DYNAMIC_API"
#ifdef HAVE_STDIO_H #ifdef HAVE_STDIO_H
#include <stdio.h> #include <stdio.h>
#endif #endif
@ -383,21 +385,21 @@ SDL_NORETURN void SDL_ExitProcess(int exitcode);
static void static void
SDL_InitDynamicAPILocked(void) SDL_InitDynamicAPILocked(void)
{ {
const char *libname = SDL_getenv_REAL("SDL_DYNAMIC_API"); const char *libname = SDL_getenv_REAL(SDL_DYNAMIC_API_ENVVAR);
SDL_DYNAPI_ENTRYFN entry = NULL; /* funcs from here by default. */ SDL_DYNAPI_ENTRYFN entry = NULL; /* funcs from here by default. */
SDL_bool use_internal = SDL_TRUE; SDL_bool use_internal = SDL_TRUE;
if (libname) { if (libname) {
entry = (SDL_DYNAPI_ENTRYFN) get_sdlapi_entry(libname, "SDL_DYNAPI_entry"); entry = (SDL_DYNAPI_ENTRYFN) get_sdlapi_entry(libname, "SDL_DYNAPI_entry");
if (!entry) { if (!entry) {
dynapi_warn("Couldn't load overriding SDL library. Please fix or remove the SDL_DYNAMIC_API environment variable. Using the default SDL."); dynapi_warn("Couldn't load overriding SDL library. Please fix or remove the " SDL_DYNAMIC_API_ENVVAR " environment variable. Using the default SDL.");
/* Just fill in the function pointers from this library, later. */ /* Just fill in the function pointers from this library, later. */
} }
} }
if (entry) { if (entry) {
if (entry(SDL_DYNAPI_VERSION, &jump_table, sizeof (jump_table)) < 0) { if (entry(SDL_DYNAPI_VERSION, &jump_table, sizeof (jump_table)) < 0) {
dynapi_warn("Couldn't override SDL library. Using a newer SDL build might help. Please fix or remove the SDL_DYNAMIC_API environment variable. Using the default SDL."); dynapi_warn("Couldn't override SDL library. Using a newer SDL build might help. Please fix or remove the " SDL_DYNAMIC_API_ENVVAR " environment variable. Using the default SDL.");
/* Just fill in the function pointers from this library, later. */ /* Just fill in the function pointers from this library, later. */
} else { } else {
use_internal = SDL_FALSE; /* We overrode SDL! Don't use the internal version! */ use_internal = SDL_FALSE; /* We overrode SDL! Don't use the internal version! */