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Now That's What I Call Games 3
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Now That's What I Call Games 3 - Games & Goodies (1993)(Multi Media Machine)[!][CD32-CDTV].iso
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devren.c
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C/C++ Source or Header
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1978-10-06
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4KB
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149 lines
/***************************************************************/
/* */
/* Device Renamer v1.5 21.8.1990 */
/* */
/* written by Stefan Rosewig */
/* */
/* PUBLIC DOMAIN */
/* */
/***************************************************************/
/* */
/* Aufrufe : cc devren */
/* ln devren.o -lc */
/* */
/***************************************************************/
/* Was gebraucht wird */
#include <exec/types.h>
#include <libraries/dos.h>
#include <libraries/dosextens.h>
#include <libraries/filehandler.h>
#define STR(x) (((char *)BADDR(x))+1)
extern struct DosLibrary *DOSBase;
struct DeviceNode *DeviceNode;
struct RootNode *RootNode;
struct DosInfo *DosInfo;
/* Gebrauchsanleitung */
usage()
{
printf("DevRen v1.5 by STR\n");
printf("USAGE: DevRen <old> <new> to rename devices\n");
printf(" DevRen -l to list devices\n");
exit();
}
/* Fehlermeldungen */
fault(f,fehl)
USHORT f;
char *fehl;
{
printf("ERROR!!! %d: ",f);
switch (f)
{
case 1:
printf("unknown parameter %s\n",fehl);
break;
case 2:
printf("can't find old device %s:\n",fehl);
break;
case 3:
printf("device %s: already exists\n",fehl);
break;
case 4:
printf("<old> and <new> MUST have the same length\n");
break;
case 5:
printf("too many parameters\n");
}
exit();
}
/* Suchen eines Devices */
find(DeviceName)
char *DeviceName;
{
DeviceNode = (struct DeviceNode *)BADDR(DosInfo->di_DevInfo);
do
{
if (DeviceNode->dn_Type == (ULONG)DLT_DEVICE) /* Device ? */
{
if (strcmp(STR(DeviceNode->dn_Name),DeviceName) == 0)
return(TRUE); /* richtiger Name ? */
}
DeviceNode = (struct DeviceNode *)BADDR(DeviceNode->dn_Next);
}
while (DeviceNode != 0L); /* nicht gefunden */
return (FALSE);
}
/* Auflisten bekannter devices */
liste()
{
REGISTER USHORT x;
x = 0;
DeviceNode = (struct DeviceNode *)BADDR(DosInfo->di_DevInfo);
do
{
if (DeviceNode->dn_Type == (ULONG)DLT_DEVICE)
{
printf(" %s: ",STR(DeviceNode->dn_Name));
x++;
if (x == 7)
{
printf("\n");
x = 0;
}
}
DeviceNode = (struct DeviceNode *)BADDR(DeviceNode->dn_Next);
}
while(DeviceNode != 0L);
printf("\n");
exit();
}
main(argc,argv)
int argc;
char *argv[];
{
REGISTER int l1,l2,x;
USHORT fehler;
char *fehlstr;
RootNode = (struct RootNode *)DOSBase->dl_Root;
DosInfo = (struct DosInfo *)BADDR(RootNode->rn_Info);
switch(argc)
{
case 1:
usage();
case 2:
if (strcmp(argv[1],"?")== 0) usage();
if ((strcmp(argv[1],"-l") == 0) || (strcmp(argv[1],"-L") == 0))
liste();
fault (1,argv[1]);
case 3:
l1 = strlen(argv[1]);
l2 = strlen(argv[2]);
if ( l1 != l2 ) fault(4,""); /* erlaubter Name ? */
for (x = 0 ; x <= l1 ; x++) /* Großbuchstaben */
{
argv[1][x] = toupper(argv[1][x]);
argv[2][x] = toupper(argv[2][x]);
}
if (argv[1][l1-1] == ':') argv[1][l1-1] = '\0'; /* ':' muß */
if (argv[2][l2-1] == ':') argv[2][l2-1] = '\0'; /* nicht sein */
if (find(argv[2])) fault(3,argv[2]); /* Device existiert schon */
if (!find(argv[1])) fault(2,argv[1]); /* Device existiert nicht */
strcpy(STR(DeviceNode->dn_Name),argv[2]); /* Umbenennen */
exit();
default :
fault(5,""); /* Eingabefeher */
}
}