| /svarcom/trunk/cmd/ver.c |
|---|
| 50,6 → 50,7 |
| unsigned short i; |
| printf("rmod->rmodseg = 0x%04X\r\n", p->rmod->rmodseg); |
| printf("rmod->origparent = %04X:%04X\r\n", p->rmod->origparent >> 16, p->rmod->origparent & 0xffff); |
| printf("rmod->origenvseg = 0x%04X\r\n", p->rmod->origenvseg); |
| printf("rmod->flags = 0x%02X\r\n", p->rmod->flags); |
| printf("rmod->echoflag = %u\r\n", p->rmod->echoflag); |
| printf("[rmod:RMOD_OFFSET_ENVSEG] = 0x%04X\r\n", *rmod_envseg); |
| /svarcom/trunk/rmodinit.c |
|---|
| 38,11 → 38,11 |
| char far *myptr, far *mcb; |
| unsigned short far *owner; |
| const unsigned short sizeof_rmodandprops_paras = rmod_len + sizeof(struct rmod_props) + 15 / 16; |
| unsigned int rmodseg = 0xffff; |
| unsigned int envseg = 0; |
| unsigned short rmodseg = 0xffff; |
| unsigned short envseg = 0, origenvseg = 0; |
| struct rmod_props far *res = NULL; |
| /* read my current env segment from PSP */ |
| /* read my current env segment from PSP and save it */ |
| _asm { |
| push ax |
| push bx |
| 49,6 → 49,7 |
| mov bx, 0x2c |
| mov ax, [bx] |
| mov envseg, ax |
| mov origenvseg, ax |
| pop bx |
| pop ax |
| } |
| 143,6 → 144,7 |
| res->rmodseg = rmodseg; /* rmod segment */ |
| res->inputbuf[0] = 128; /* input buffer for INT 0x21, AH=0Ah*/ |
| res->echoflag = 1; /* ECHO ON */ |
| res->origenvseg = origenvseg; /* original environment segment */ |
| /* write env segment to rmod buffer */ |
| owner = MK_FP(rmodseg, RMOD_OFFSET_ENVSEG); |
| /svarcom/trunk/rmodinit.h |
|---|
| 32,6 → 32,7 |
| char inputbuf[130]; /* input buffer for INT 21, AH=0x0A */ |
| unsigned short rmodseg; /* segment where rmod is loaded */ |
| unsigned long origparent; /* original parent (far ptr) of the shell */ |
| unsigned short origenvseg; /* original environment segment */ |
| unsigned char flags; /* command line parameters */ |
| unsigned char echoflag; /* ECHO ON / ECHO OFF */ |
| }; |
| /svarcom/trunk/sayonara.c |
|---|
| 38,8 → 38,9 |
| unsigned short rmodenv = *rmodenv_ptr; |
| /* detect "I am the origin shell" situations */ |
| if (rmod->flags & FLAG_PERMANENT) return; /* COMMAND.COM /P */ |
| if (rmod->origparent == 0xffff) return; /* original parent set to 0xffff (DOS-C / FreeDOS) */ |
| if (rmod->flags & FLAG_PERMANENT) return; /* COMMAND.COM /P */ |
| if (rmod->origenvseg == 0) return; /* no original environment (MSDOS 5/6) */ |
| /* set my parent back to original value */ |
| *myparent = rmod->origparent; |
| /svarcom/trunk/todo.txt |
|---|
| 32,6 → 32,8 |
| "notify pending command" int support: http://www.techhelpmanual.com/741-int_2fh_ae00h__notify_pending_command.html |
| INT 2F,AX=5500 support |
| stdout redirection should not create the output file if command fails |
| when execing an external command make sure to sync local environment (or run the program with a custom environment pointer?) |