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Rewrote mount to support mounting different types, setting up the media id byte and setting the reported size of the disk.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@363
This commit is contained in:
Sjoerd van der Berg 2002-10-19 17:28:41 +00:00
parent 35cfe5d5c7
commit 41a4c6ba3f
1 changed files with 45 additions and 15 deletions
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60
src/dos/dos_programs.cpp
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@ -43,33 +43,63 @@ public:
}
return;
}
std::string type="dir";
cmd->FindString("-t",type,true);
if (type=="floppy" || type=="dir") {
Bit16u sizes[4];
Bit8u mediaid;
std::string str_size;
if (type=="floppy") {
str_size="512,1,2847,2847";/* All space free */
mediaid=0xF0; /* Floppy 1.44 media */
}
if (type=="dir") {
str_size="512,127,16513,1700";
mediaid=0xF8; /* Hard Disk */
}
cmd->FindString("-size",str_size,true);
char number[20];const char * scan=str_size.c_str();
Bitu index=0;Bitu count=0;
/* Parse the str_size string */
while (*scan) {
if (*scan==',') {
number[index]=0;sizes[count++]=atoi(number);
index=0;
} else number[index++]=*scan;
scan++;
}
number[index]=0;sizes[count++]=atoi(number);
if (!cmd->FindCommand(2,temp_line)) goto showusage;
if (!temp_line.size()) goto showusage;
struct stat test;
if (stat(temp_line.c_str(),&test)) {
WriteOut("Directory %s Doesn't exist",temp_line.c_str());
return;
}
/* Not a switch so a normal directory/file */
if (!(test.st_mode & S_IFDIR)) {
WriteOut("%s isn't a directory",temp_line.c_str());
return;
}
if (temp_line[temp_line.size()-1]!=CROSS_FILESPLIT) temp_line+=CROSS_FILESPLIT;
newdrive=new localDrive(temp_line.c_str(),sizes[0],sizes[1],sizes[2],sizes[3],mediaid);
}
cmd->FindCommand(1,temp_line);
if (temp_line.size()>1) goto showusage;
drive=toupper(temp_line[0]);
if (!isalpha(drive)) goto showusage;
if (!cmd->FindCommand(2,temp_line)) goto showusage;
if (!temp_line.size()) goto showusage;
struct stat test;
if (stat(temp_line.c_str(),&test)) {
WriteOut("Directory %s Doesn't exist",temp_line.c_str());
return;
}
/* Not a switch so a normal directory/file */
if (!(test.st_mode & S_IFDIR)) {
WriteOut("%s isn't a directory",temp_line.c_str());
return;
}
if (Drives[drive-'A']) {
WriteOut("Drive %c already mounted with %s\n",drive,Drives[drive-'A']->GetInfo());
if (newdrive) delete newdrive;
return;
}
if (temp_line[temp_line.size()-1]!=CROSS_FILESPLIT) temp_line+=CROSS_FILESPLIT;
newdrive=new localDrive((char *)temp_line.c_str());
if (!newdrive) E_Exit("DOS:Can't create drive");
Drives[drive-'A']=newdrive;
/* Set the correct media byte in the table */
mem_writeb(Real2Phys(dos.tables.mediaid)+drive-'A',newdrive->GetMediaByte());
WriteOut("Mounting drive %c as %s\n",drive,temp_line.c_str());
WriteOut("Drive %c mounted as %s\n",drive,newdrive->GetInfo());
return;
showusage:
WriteOut("Usage MOUNT Drive-Letter Local-Directory\nSo a MOUNT c c:\\windows mounts windows directory as the c: drive in DOSBox\n");