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fix some potential overflows

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3038
This commit is contained in:
Sebastian Strohhäcker 2007-11-04 19:14:32 +00:00
parent 92ad22418c
commit 3e1301347f
1 changed files with 5 additions and 5 deletions
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10
src/misc/programs.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: programs.cpp,v 1.28 2007-06-12 20:22:09 c2woody Exp $ */
/* $Id: programs.cpp,v 1.29 2007-11-04 19:14:32 c2woody Exp $ */
#include <vector>
#include <ctype.h>
@ -101,7 +101,7 @@ Program::Program() {
MEM_BlockRead(PhysMake(dos.psp(),128),&tail,128);
if (tail.count<127) tail.buffer[tail.count]=0;
else tail.buffer[126]=0;
char filename[256];
char filename[256+1];
MEM_StrCopy(envscan,filename,256);
cmd = new CommandLine(filename,tail.buffer);
}
@ -122,7 +122,7 @@ void Program::WriteOut(const char * format,...) {
bool Program::GetEnvStr(const char * entry,std::string & result) {
/* Walk through the internal environment and see for a match */
PhysPt env_read=PhysMake(psp->GetEnvironment(),0);
char env_string[1024];
char env_string[1024+1];
result.erase();
if (!entry[0]) return false;
do {
@ -144,7 +144,7 @@ bool Program::GetEnvStr(const char * entry,std::string & result) {
};
bool Program::GetEnvNum(Bitu num,std::string & result) {
char env_string[1024];
char env_string[1024+1];
PhysPt env_read=PhysMake(psp->GetEnvironment(),0);
do {
MEM_StrCopy(env_read,env_string,1024);
@ -170,7 +170,7 @@ Bitu Program::GetEnvCount(void) {
bool Program::SetEnv(const char * entry,const char * new_string) {
PhysPt env_read=PhysMake(psp->GetEnvironment(),0);
PhysPt env_write=env_read;
char env_string[1024];
char env_string[1024+1];
do {
MEM_StrCopy(env_read,env_string,1024);
if (!env_string[0]) break;