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removed os2 support & support for building SDL with watcom.

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This commit is contained in:
Ozkan Sezer
2022-11-22 19:18:47 +03:00
parent 01d137592c
commit 8d6fda4810
79 changed files with 3 additions and 10017 deletions
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103
src/loadso/os2/SDL_sysloadso.c
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@@ -1,103 +0,0 @@
/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "../../SDL_internal.h"
#ifdef SDL_LOADSO_OS2
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* System dependent library loading routines */
#include "SDL_loadso.h"
#include "../../core/os2/SDL_os2.h"
#define INCL_DOSMODULEMGR
#define INCL_DOSERRORS
#include <os2.h>
void *
SDL_LoadObject(const char *sofile)
{
ULONG ulRC;
HMODULE hModule;
CHAR acError[256];
PSZ pszModName;
if (!sofile) {
SDL_InvalidParamError("sofile");
return NULL;
}
pszModName = OS2_UTF8ToSys(sofile);
ulRC = DosLoadModule(acError, sizeof(acError), pszModName, &hModule);
if (ulRC != NO_ERROR && !SDL_strrchr(pszModName, '\\') && !SDL_strrchr(pszModName, '/')) {
/* strip .dll extension and retry only if name has no path. */
size_t len = SDL_strlen(pszModName);
if (len > 4 && SDL_strcasecmp(&pszModName[len - 4], ".dll") == 0) {
pszModName[len - 4] = '\0';
ulRC = DosLoadModule(acError, sizeof(acError), pszModName, &hModule);
}
}
if (ulRC != NO_ERROR) {
SDL_SetError("Failed loading %s: %s (E%u)", sofile, acError, ulRC);
hModule = NULLHANDLE;
}
SDL_free(pszModName);
return (void *)hModule;
}
void *
SDL_LoadFunction(void *handle, const char *name)
{
ULONG ulRC;
PFN pFN;
ulRC = DosQueryProcAddr((HMODULE)handle, 0, name, &pFN);
if (ulRC != NO_ERROR) {
/* retry with an underscore prepended, e.g. for gcc-built dlls. */
SDL_bool isstack;
size_t len = SDL_strlen(name) + 1;
char *_name = SDL_small_alloc(char, len + 1, &isstack);
_name[0] = '_';
SDL_memcpy(&_name[1], name, len);
ulRC = DosQueryProcAddr((HMODULE)handle, 0, _name, &pFN);
SDL_small_free(_name, isstack);
}
if (ulRC != NO_ERROR) {
SDL_SetError("Failed loading procedure %s (E%u)", name, ulRC);
return NULL;
}
return (void *)pFN;
}
void
SDL_UnloadObject(void *handle)
{
if (handle != NULL) {
DosFreeModule((HMODULE)handle);
}
}
#endif /* SDL_LOADSO_OS2 */
/* vi: set ts=4 sw=4 expandtab: */