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Use idStr::Copynz() instead of strncpy()

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to guarantee \0-termination
(only the applicable parts of that dhewm3 commit)
This commit is contained in:
Daniel Gibson 2022-05-17 03:23:12 +02:00
parent 37cdb06dce
commit 9cc5bb2352
5 changed files with 7 additions and 7 deletions
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4
d3xp/Game_local.cpp
View file

@ -2639,7 +2639,7 @@ gameReturn_t idGameLocal::RunFrame( const usercmd_t *clientCmds ) {
// see if a target_sessionCommand has forced a changelevel // see if a target_sessionCommand has forced a changelevel
if ( sessionCommand.Length() ) { if ( sessionCommand.Length() ) {
strncpy( ret.sessionCommand, sessionCommand, sizeof( ret.sessionCommand ) ); idStr::Copynz( ret.sessionCommand, sessionCommand, sizeof( ret.sessionCommand ) );
break; break;
} }
@ -4836,7 +4836,7 @@ idGameLocal::GetBestGameType
*/ */
void idGameLocal::GetBestGameType( const char* map, const char* gametype, char buf[ MAX_STRING_CHARS ] ) { void idGameLocal::GetBestGameType( const char* map, const char* gametype, char buf[ MAX_STRING_CHARS ] ) {
idStr aux = mpGame.GetBestGametype( map, gametype ); idStr aux = mpGame.GetBestGametype( map, gametype );
strncpy( buf, aux.c_str(), MAX_STRING_CHARS ); idStr::Copynz( buf, aux.c_str(), MAX_STRING_CHARS );
buf[ MAX_STRING_CHARS - 1 ] = '\0'; buf[ MAX_STRING_CHARS - 1 ] = '\0';
} }

2
d3xp/Game_network.cpp
View file

@ -1566,7 +1566,7 @@ gameReturn_t idGameLocal::ClientPrediction( int clientNum, const usercmd_t *clie
} }
if ( sessionCommand.Length() ) { if ( sessionCommand.Length() ) {
strncpy( ret.sessionCommand, sessionCommand, sizeof( ret.sessionCommand ) ); idStr::Copynz( ret.sessionCommand, sessionCommand, sizeof( ret.sessionCommand ) );
} }
return ret; return ret;
} }

4
game/Game_local.cpp
View file

@ -2373,7 +2373,7 @@ gameReturn_t idGameLocal::RunFrame( const usercmd_t *clientCmds ) {
// see if a target_sessionCommand has forced a changelevel // see if a target_sessionCommand has forced a changelevel
if ( sessionCommand.Length() ) { if ( sessionCommand.Length() ) {
strncpy( ret.sessionCommand, sessionCommand, sizeof( ret.sessionCommand ) ); idStr::Copynz( ret.sessionCommand, sessionCommand, sizeof( ret.sessionCommand ) );
break; break;
} }
@ -4338,7 +4338,7 @@ idGameLocal::GetBestGameType
============ ============
*/ */
void idGameLocal::GetBestGameType( const char* map, const char* gametype, char buf[ MAX_STRING_CHARS ] ) { void idGameLocal::GetBestGameType( const char* map, const char* gametype, char buf[ MAX_STRING_CHARS ] ) {
strncpy( buf, gametype, MAX_STRING_CHARS ); idStr::Copynz( buf, gametype, MAX_STRING_CHARS );
buf[ MAX_STRING_CHARS - 1 ] = '\0'; buf[ MAX_STRING_CHARS - 1 ] = '\0';
} }

2
game/Game_network.cpp
View file

@ -1521,7 +1521,7 @@ gameReturn_t idGameLocal::ClientPrediction( int clientNum, const usercmd_t *clie
} }
if ( sessionCommand.Length() ) { if ( sessionCommand.Length() ) {
strncpy( ret.sessionCommand, sessionCommand, sizeof( ret.sessionCommand ) ); idStr::Copynz( ret.sessionCommand, sessionCommand, sizeof( ret.sessionCommand ) );
} }
return ret; return ret;
} }

2
idlib/Heap.cpp
View file

@ -1275,7 +1275,7 @@ const char *Mem_CleanupFileName( const char *fileName ) {
newFileName = newFileName.Left( i2 - 1 ) + newFileName.Right( newFileName.Length() - ( i1 + 4 ) ); newFileName = newFileName.Left( i2 - 1 ) + newFileName.Right( newFileName.Length() - ( i1 + 4 ) );
} }
index = ( index + 1 ) & 3; index = ( index + 1 ) & 3;
strncpy( newFileNames[index], newFileName.c_str(), sizeof( newFileNames[index] ) ); idStr::Copynz( newFileNames[index], newFileName.c_str(), sizeof( newFileNames[index] ) );
return newFileNames[index]; return newFileNames[index];
} }