kc3-lang/SDL/src/filesystem/os2/SDL_sysfilesystem.c

• Show log

  Commit

• Hash : 1d9cf23e
  Author :
  Date : 2020-10-14T23:01:05
  

  os2: updated copyright dates for 2020. header guard fixes.

Download

• src/filesystem/os2/SDL_sysfilesystem.c

• /*
    Simple DirectMedia Layer
    Copyright (C) 1997-2020 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_FILESYSTEM_OS2
  
  /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
  /* System dependent filesystem routines                                */
  
  #include "SDL_error.h"
  #include "SDL_filesystem.h"
  #include "../../core/os2/SDL_os2.h"
  
  #define INCL_DOSFILEMGR
  #define INCL_DOSPROCESS
  #define INCL_DOSERRORS
  #include <os2.h>
  
  
  char *
  SDL_GetBasePath(void)
  {
    PTIB       tib;
    PPIB       pib;
    ULONG      ulRC = DosGetInfoBlocks(&tib, &pib);
    PCHAR      pcEnd;
    ULONG      cbResult;
    CHAR       acBuf[_MAX_PATH];
  
    if (ulRC != NO_ERROR) {
      debug("DosGetInfoBlocks() failed, rc = %u", ulRC);
      return NULL;
    }
  
    pcEnd = SDL_strrchr(pib->pib_pchcmd, '\\');
    if (pcEnd != NULL)
      pcEnd++;
    else {
      if (pib->pib_pchcmd[1] == ':')
        pcEnd = &pib->pib_pchcmd[2];
      else {
        SDL_SetError("No path in pib->pib_pchcmd");
        return NULL;
      }
    }
  
    cbResult = pcEnd - pib->pib_pchcmd;
    SDL_memcpy(acBuf, pib->pib_pchcmd, cbResult);
    acBuf[cbResult] = '\0';
  
    return OS2_SysToUTF8(acBuf);
  }
  
  char *
  SDL_GetPrefPath(const char *org, const char *app)
  {
    PSZ        pszPath;
    CHAR       acBuf[_MAX_PATH];
    int        lPosApp, lPosOrg;
    PSZ        pszApp, pszOrg;
  
    if (!app) {
        SDL_InvalidParamError("app");
        return NULL;
    }
  
    pszPath = SDL_getenv( "HOME" );
    if (!pszPath) {
      pszPath = SDL_getenv( "ETC" );
      if (!pszPath) {
        SDL_SetError("HOME or ETC environment not set");
        return NULL;
      }
    }
  
    if (!org) {
      lPosApp = SDL_snprintf(acBuf, sizeof(acBuf) - 1, "%s", pszPath);
    } else {
      pszOrg = OS2_UTF8ToSys(org);
      if (!pszOrg) {
        SDL_OutOfMemory();
        return NULL;
      }
      lPosApp = SDL_snprintf(acBuf, sizeof(acBuf) - 1, "%s\\%s", pszPath, pszOrg);
      SDL_free(pszOrg);
    }
    if (lPosApp < 0)
      return NULL;
  
    DosCreateDir(acBuf, NULL);
  
    pszApp = OS2_UTF8ToSys(app);
    if (!pszApp) {
      SDL_OutOfMemory();
      return NULL;
    }
  
    lPosOrg = SDL_snprintf(&acBuf[lPosApp], sizeof(acBuf) - lPosApp - 1, "\\%s", pszApp);
    SDL_free(pszApp);
    if (lPosOrg < 0)
      return NULL;
  
    DosCreateDir(acBuf, NULL);
    *((PUSHORT)&acBuf[lPosApp + lPosOrg]) = (USHORT)'\0\\';
  
    return OS2_SysToUTF8(acBuf);
  }
  
  #endif /* SDL_FILESYSTEM_OS2 */
  
  /* vi: set ts=4 sw=4 expandtab: */
  

Download