Add patch 1239754 from Moe. This patches fixes a few crashes by checking the SDL_SetMode return value and it changes strncopy to a safe_strncopy which adds a 0 to each string copied
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2240
This commit is contained in:
Peter Veenstra
parent
3429a18dc4
commit
c7c2ee5d5a
14 changed files with 56 additions and 41 deletions
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@ -34,6 +34,8 @@
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//#define nocasestrcmp(a,b) stricmp(a,b)
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#endif
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#define safe_strncpy(a,b,n) do { strncpy((a),(b),(n)-1); (a)[(n)-1] = 0; } while (0)
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#ifdef HAVE_STRINGS_H
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#include <strings.h>
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#endif
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@ -16,7 +16,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* $Id: debug.cpp,v 1.63 2005-04-18 18:46:27 qbix79 Exp $ */
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/* $Id: debug.cpp,v 1.64 2005-07-19 19:45:15 qbix79 Exp $ */
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#include <string.h>
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#include <list>
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@ -175,7 +175,7 @@ bool GetDescriptorInfo(char* selname, char* out1, char* out2)
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class CDebugVar
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{
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public:
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CDebugVar(char* _name, PhysPt _adr) { adr=_adr; (strlen(name)<15)?strcpy(name,_name):strncpy(name,_name,15); name[15]=0; };
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CDebugVar(char* _name, PhysPt _adr) { adr=_adr; safe_strncpy(name,_name,16); };
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char* GetName(void) { return name; };
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PhysPt GetAdr (void) { return adr; };
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@ -1673,7 +1673,7 @@ public:
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char filename[128];
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char args[256];
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cmd->FindCommand(1,temp_line);
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strncpy(filename,temp_line.c_str(),128);
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safe_strncpy(filename,temp_line.c_str(),128);
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// Read commandline
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Bit16u i =2;
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bool ok = false;
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@ -16,7 +16,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* $Id: cdrom_aspi_win32.cpp,v 1.13 2005-02-10 10:20:50 qbix79 Exp $ */
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/* $Id: cdrom_aspi_win32.cpp,v 1.14 2005-07-19 19:45:16 qbix79 Exp $ */
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#if defined (WIN32)
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@ -219,8 +219,7 @@ bool CDROM_Interface_Aspi::GetVendor(BYTE HA_num, BYTE SCSI_Id, BYTE SCSI_Lun, c
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strcpy (szBuffer, "error" );
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return false;
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} else {
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strncpy(szBuffer,szBuffer+8,25);
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szBuffer[25] = 0;
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safe_strncpy(szBuffer,szBuffer+8,26);
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int len = strlen(szBuffer);
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for (int i=0; i<len; i++) if (szBuffer[i]<=32) szBuffer[i]='_';
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};
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@ -16,7 +16,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* $Id: cdrom_image.cpp,v 1.8 2005-06-23 18:34:29 qbix79 Exp $ */
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/* $Id: cdrom_image.cpp,v 1.9 2005-07-19 19:45:16 qbix79 Exp $ */
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#include <cctype>
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#include <cmath>
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@ -29,6 +29,7 @@
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#include <sys/stat.h>
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#include "cdrom.h"
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#include "drives.h"
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#include "support.h"
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#if !defined(WIN32)
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#include <libgen.h>
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@ -399,8 +400,7 @@ static string dirname(const char * file) {
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else {
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int len = (int)(sep - file);
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char tmp[MAX_FILENAME_LENGTH];
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strncpy(tmp, file, len);
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tmp[len] = '\0';
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safe_strncpy(tmp, file, len+1);
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return tmp;
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}
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}
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@ -417,7 +417,7 @@ bool CDROM_Interface_Image::LoadCueSheet(char *cuefile)
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bool success;
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bool canAddTrack = false;
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char tmp[MAX_FILENAME_LENGTH]; // dirname can change its argument
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strncpy(tmp, cuefile, MAX_FILENAME_LENGTH);
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safe_strncpy(tmp, cuefile, MAX_FILENAME_LENGTH);
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string pathname(dirname(tmp));
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ifstream in;
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in.open(cuefile, ios::in);
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@ -595,7 +595,7 @@ bool CDROM_Interface_Image::GetRealFileName(string &filename, string &pathname)
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// finally check if file is in a dosbox local drive
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char fullname[CROSS_LEN];
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char tmp[CROSS_LEN];
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strncpy(tmp, filename.c_str(), CROSS_LEN);
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safe_strncpy(tmp, filename.c_str(), CROSS_LEN);
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Bit8u drive;
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if (!DOS_MakeName(tmp, fullname, &drive)) return false;
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@ -19,6 +19,7 @@
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#include <string.h>
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#include "cdrom.h"
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#include "support.h"
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#if defined (LINUX)
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#include <fcntl.h>
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@ -45,7 +46,7 @@ bool CDROM_Interface_Ioctl::GetUPC(unsigned char& attr, char* upc)
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if (ret > 0) {
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attr = 0;
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strncpy(upc, (char*)cdrom_mcn.medium_catalog_number, 14);
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safe_strncpy(upc, (char*)cdrom_mcn.medium_catalog_number, 14);
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}
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return (ret > 0);
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@ -86,7 +87,7 @@ bool CDROM_Interface_Ioctl::SetDevice(char* path, int forceCD)
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if (success) {
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const char* tmp = SDL_CDName(forceCD);
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if (tmp) strncpy(device_name, tmp, 512);
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if (tmp) safe_strncpy(device_name, tmp, 512);
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else success = false;
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}
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@ -16,7 +16,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* $Id: dos_programs.cpp,v 1.36 2005-04-06 20:48:14 qbix79 Exp $ */
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/* $Id: dos_programs.cpp,v 1.37 2005-07-19 19:45:16 qbix79 Exp $ */
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#include <stdlib.h>
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#include <string.h>
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@ -422,7 +422,7 @@ void LOADFIX::Run(void)
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if (cmd->FindCommand(commandNr++,temp_line)) {
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// get Filename
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char filename[128];
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strncpy(filename,temp_line.c_str(),128);
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safe_strncpy(filename,temp_line.c_str(),128);
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// Setup commandline
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bool ok;
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char args[256];
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@ -570,10 +570,10 @@ public:
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// convert dosbox filename to system filename
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char fullname[CROSS_LEN];
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char tmp[CROSS_LEN];
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strncpy(tmp, temp_line.c_str(), CROSS_LEN);
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safe_strncpy(tmp, temp_line.c_str(), CROSS_LEN);
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Bit8u drive;
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if (!DOS_MakeName(tmp, fullname, &drive)) {
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if (!DOS_MakeName(tmp, fullname, &drive) || strncmp(Drives[drive]->GetInfo(),"local directory",15)) {
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WriteOut(MSG_Get("PROGRAM_IMGMOUNG_FILE_NOT_FOUND"));
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return;
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}
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@ -17,7 +17,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* $Id: drive_cache.cpp,v 1.43 2005-04-21 18:43:28 qbix79 Exp $ */
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/* $Id: drive_cache.cpp,v 1.44 2005-07-19 19:45:31 qbix79 Exp $ */
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#include "drives.h"
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#include "dos_inc.h"
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@ -262,8 +262,7 @@ void DOS_Drive_Cache::CacheOut(const char* path, bool ignoreLastDir)
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char tmp[CROSS_LEN] = { 0 };
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Bit32s len = strrchr(path,CROSS_FILESPLIT) - path;
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if (len>0) {
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strncpy(tmp,path,len);
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tmp[len] = 0;
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safe_strncpy(tmp,path,len+1);
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} else {
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strcpy(tmp,path);
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}
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@ -463,11 +462,10 @@ void DOS_Drive_Cache::CreateShortName(CFileInfo* curDir, CFileInfo* info)
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info->shortNr = CreateShortNameID(curDir,tmpName);
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sprintf(buffer,"%d",info->shortNr);
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// Copy first letters
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Bit16u tocopy;
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Bit16u tocopy = 0;
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if (len+strlen(buffer)+1>8) tocopy = 8 - strlen(buffer) - 1;
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else tocopy = len;
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strncpy(info->shortname,tmpName,tocopy);
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info->shortname[tocopy] = 0;
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safe_strncpy(info->shortname,tmpName,tocopy+1);
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// Copy number
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strcat(info->shortname,"~");
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strcat(info->shortname,buffer);
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@ -527,7 +525,7 @@ DOS_Drive_Cache::CFileInfo* DOS_Drive_Cache::FindDirInfo(const char* path, char*
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do {
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// bool errorcheck = false;
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pos = strchr(start,CROSS_FILESPLIT);
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if (pos) { strncpy(dir,start,pos-start); dir[pos-start] = 0; /*errorcheck = true;*/ }
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if (pos) { safe_strncpy(dir,start,pos-start+1); /*errorcheck = true;*/ }
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else { strcpy(dir,start); };
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// Path found
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@ -16,7 +16,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* $Id: drive_iso.cpp,v 1.7 2005-03-25 09:06:46 qbix79 Exp $ */
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/* $Id: drive_iso.cpp,v 1.8 2005-07-19 19:45:31 qbix79 Exp $ */
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#include <cctype>
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#include <cstring>
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@ -446,7 +446,7 @@ bool isoDrive :: lookup(isoDirEntry *de, const char *path)
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if (!strcmp(path, "")) return true;
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char isoPath[ISO_MAXPATHNAME];
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strncpy(isoPath, path, ISO_MAXPATHNAME);
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safe_strncpy(isoPath, path, ISO_MAXPATHNAME);
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strreplace(isoPath, '\\', '/');
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int beginPos = 0;
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@ -456,8 +456,7 @@ bool isoDrive :: lookup(isoDirEntry *de, const char *path)
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char name[38];
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if (pos - beginPos >= 38) return false;
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if (beginPos >= ISO_MAXPATHNAME) return false;
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strncpy(name, &isoPath[beginPos], pos - beginPos);
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name[pos - beginPos] = 0;
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safe_strncpy(name, &isoPath[beginPos], pos - beginPos + 1);
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beginPos = pos + 1;
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if (!IS_DIR(de->fileFlags)) return false;
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if (!lookupSingle(de, name, EXTENT_LOCATION(*de), DATA_LENGTH(*de))) return false;
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@ -16,7 +16,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* $Id: midi_alsa.h,v 1.11 2005-02-10 10:20:52 qbix79 Exp $ */
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/* $Id: midi_alsa.h,v 1.12 2005-07-19 19:45:31 qbix79 Exp $ */
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#define ALSA_PCM_OLD_HW_PARAMS_API
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#define ALSA_PCM_OLD_SW_PARAMS_API
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@ -129,7 +129,7 @@ public:
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// try to use port specified in config file
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if (conf && conf[0]) {
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strncpy(var, conf, 10);
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safe_strncpy(var, conf, 10);
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if (parse_addr(var, &seq_client, &seq_port) < 0) {
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LOG_MSG("ALSA:Invalid alsa port %s", var);
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return false;
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@ -29,7 +29,7 @@ public:
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char * GetName(void) { return "oss";};
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bool Open(const char * conf) {
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char devname[512];
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if (conf && conf[0]) strncpy(devname,conf,512);
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if (conf && conf[0]) safe_strncpy(devname,conf,512);
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else strcpy(devname,"/dev/sequencer");
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char * devfind=(strrchr(devname,','));
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if (devfind) {
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@ -16,7 +16,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* $Id: sdl_mapper.cpp,v 1.12 2005-06-13 14:48:02 qbix79 Exp $ */
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/* $Id: sdl_mapper.cpp,v 1.13 2005-07-19 19:45:31 qbix79 Exp $ */
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#define OLD_JOYSTICK 1
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@ -95,7 +95,7 @@ static CBindList holdlist;
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class CEvent {
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public:
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CEvent(char * _entry) {
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strncpy(entry,_entry,16);
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safe_strncpy(entry,_entry,16);
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events.push_back(this);
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bindlist.clear();
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activity=0;
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@ -1444,6 +1444,7 @@ void MAPPER_Run(void) {
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/* Be sure that there is no update in progress */
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GFX_EndUpdate();
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mapper.surface=SDL_SetVideoMode(640,480,8,0);
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if (mapper.surface == NULL) E_Exit("Could not initialize video mode for mapper: %s",SDL_GetError());
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/* Set some palette entries */
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SDL_SetPalette(mapper.surface, SDL_LOGPAL|SDL_PHYSPAL, map_pal, 0, 4);
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@ -16,7 +16,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* $Id: sdlmain.cpp,v 1.85 2005-05-18 21:59:58 qbix79 Exp $ */
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/* $Id: sdlmain.cpp,v 1.86 2005-07-19 19:45:32 qbix79 Exp $ */
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE
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@ -316,18 +316,24 @@ static SDL_Surface * GFX_SetupSurfaceScaled(Bit32u sdl_flags,Bit32u bpp) {
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}
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sdl.clip.x=(Sint16)((sdl.desktop.width-sdl.clip.w)/2);
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sdl.clip.y=(Sint16)((sdl.desktop.height-sdl.clip.h)/2);
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return sdl.surface=SDL_SetVideoMode(sdl.desktop.width,sdl.desktop.height,bpp,sdl_flags|SDL_FULLSCREEN|SDL_HWSURFACE);
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sdl.surface=SDL_SetVideoMode(sdl.desktop.width,sdl.desktop.height,bpp,sdl_flags|SDL_FULLSCREEN|SDL_HWSURFACE);
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if (sdl.surface == NULL) E_Exit("Could not set fullscreen video mode %ix%i-%i: %s",sdl.desktop.width,sdl.desktop.height,bpp,SDL_GetError());
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return sdl.surface;
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} else {
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sdl.clip.x=0;sdl.clip.y=0;
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sdl.clip.w=(Bit16u)(sdl.draw.width*sdl.draw.scalex);
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sdl.clip.h=(Bit16u)(sdl.draw.height*sdl.draw.scaley);
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return sdl.surface=SDL_SetVideoMode(sdl.clip.w,sdl.clip.h,bpp,sdl_flags|SDL_FULLSCREEN|SDL_HWSURFACE);
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sdl.surface=SDL_SetVideoMode(sdl.clip.w,sdl.clip.h,bpp,sdl_flags|SDL_FULLSCREEN|SDL_HWSURFACE);
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if (sdl.surface == NULL) E_Exit("Could not set fullscreen video mode %ix%i-%i: %s",sdl.clip.w,sdl.clip.h,bpp,SDL_GetError());
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return sdl.surface;
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}
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} else {
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sdl.clip.x=0;sdl.clip.y=0;
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sdl.clip.w=(Bit16u)(sdl.draw.width*sdl.draw.scalex*sdl.desktop.hwscale);
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sdl.clip.h=(Bit16u)(sdl.draw.height*sdl.draw.scaley*sdl.desktop.hwscale);
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return sdl.surface=SDL_SetVideoMode(sdl.clip.w,sdl.clip.h,bpp,sdl_flags|SDL_HWSURFACE);
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sdl.surface=SDL_SetVideoMode(sdl.clip.w,sdl.clip.h,bpp,sdl_flags|SDL_HWSURFACE);
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if (sdl.surface == NULL) E_Exit("Could not set windowed video mode %ix%i-%i: %s",sdl.clip.w,sdl.clip.h,bpp,SDL_GetError());
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return sdl.surface;
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}
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}
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@ -357,14 +363,17 @@ dosurface:
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sdl.clip.y=(Sint16)((sdl.desktop.height-height)/2);
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sdl.surface=SDL_SetVideoMode(sdl.desktop.width,sdl.desktop.height,bpp,
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SDL_FULLSCREEN|SDL_HWSURFACE|(sdl.desktop.doublebuf ? SDL_DOUBLEBUF|SDL_ASYNCBLIT : 0)|SDL_HWPALETTE);
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if (sdl.surface == NULL) E_Exit("Could not set fullscreen video mode %ix%i-%i: %s",sdl.desktop.width,sdl.desktop.height,bpp,SDL_GetError());
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} else {
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sdl.clip.x=0;sdl.clip.y=0;
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sdl.surface=SDL_SetVideoMode(width,height,bpp,
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SDL_FULLSCREEN|SDL_HWSURFACE|(sdl.desktop.doublebuf ? SDL_DOUBLEBUF|SDL_ASYNCBLIT : 0)|SDL_HWPALETTE);
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if (sdl.surface == NULL) E_Exit("Could not set fullscreen video mode %ix%i-%i: %s",width,height,bpp,SDL_GetError());
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}
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} else {
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sdl.clip.x=0;sdl.clip.y=0;
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sdl.surface=SDL_SetVideoMode(width,height,bpp,SDL_HWSURFACE);
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if (sdl.surface == NULL) E_Exit("Could not set windowed video mode %ix%i-%i: %s",width,height,bpp,SDL_GetError());
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}
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if (sdl.surface) switch (sdl.surface->format->BitsPerPixel) {
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case 8:sdl.draw.mode=GFX_8;break;
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@ -857,6 +866,10 @@ static void GUI_StartUp(Section * sec) {
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#if C_OPENGL
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if(sdl.desktop.want_type==SCREEN_OPENGL){ /* OPENGL is requested */
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sdl.surface=SDL_SetVideoMode(640,400,0,SDL_OPENGL);
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if (sdl.surface == NULL) {
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LOG_MSG("Could not initialize OpenGL, switching back to surface");
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sdl.desktop.want_type=SCREEN_SURFACE;
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} else {
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sdl.opengl.framebuf=0;
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sdl.opengl.texture=0;
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sdl.opengl.displaylist=0;
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@ -877,11 +890,13 @@ static void GUI_StartUp(Section * sec) {
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} else {
|
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sdl.opengl.packed_pixel=sdl.opengl.paletted_texture=false;
|
||||
}
|
||||
}
|
||||
} /* OPENGL is requested end */
|
||||
|
||||
#endif //OPENGL
|
||||
/* Initialize screen for first time */
|
||||
sdl.surface=SDL_SetVideoMode(640,400,0,0);
|
||||
if (sdl.surface == NULL) E_Exit("Could not initialize video: %s",SDL_GetError());
|
||||
sdl.desktop.bpp=sdl.surface->format->BitsPerPixel;
|
||||
if (sdl.desktop.bpp==24) {
|
||||
LOG_MSG("SDL:You are running in 24 bpp mode, this will slow down things!");
|
||||
|
|
|
|||
|
|
@ -16,7 +16,7 @@
|
|||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
/* $Id: mixer.cpp,v 1.33 2005-04-29 13:45:26 qbix79 Exp $ */
|
||||
/* $Id: mixer.cpp,v 1.34 2005-07-19 19:45:32 qbix79 Exp $ */
|
||||
|
||||
/*
|
||||
Remove the sdl code from here and have it handeld in the sdlmain.
|
||||
|
|
@ -486,7 +486,7 @@ static void MIXER_ProgramStart(Program * * make) {
|
|||
MixerChannel* MixerObject::Install(MIXER_Handler handler,Bitu freq,char * name){
|
||||
if(!installed) {
|
||||
if(strlen(name) > 31) E_Exit("Too long mixer channel name");
|
||||
strncpy(m_name,name,31);
|
||||
safe_strncpy(m_name,name,32);
|
||||
installed = true;
|
||||
return MIXER_AddChannel(handler,freq,name);
|
||||
} else {
|
||||
|
|
|
|||
|
|
@ -16,7 +16,7 @@
|
|||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
/* $Id: setup.cpp,v 1.28 2005-04-22 09:09:09 qbix79 Exp $ */
|
||||
/* $Id: setup.cpp,v 1.29 2005-07-19 19:45:33 qbix79 Exp $ */
|
||||
|
||||
#include "dosbox.h"
|
||||
#include "cross.h"
|
||||
|
|
@ -337,7 +337,7 @@ bool Config::ParseConfigFile(const char* configfilename){
|
|||
void Config::ParseEnv(char ** envp) {
|
||||
for(char** env=envp; *env;env++) {
|
||||
char copy[1024];
|
||||
strncpy(copy,*env,1024);
|
||||
safe_strncpy(copy,*env,1024);
|
||||
if(strncasecmp(copy,"DOSBOX_",7))
|
||||
continue;
|
||||
char* sec_name = ©[7];
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue