diff options
Diffstat (limited to 'libc/msdos/msdos.c')
| -rw-r--r-- | libc/msdos/msdos.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/libc/msdos/msdos.c b/libc/msdos/msdos.c index 02c35db..ddb49d9 100644 --- a/libc/msdos/msdos.c +++ b/libc/msdos/msdos.c @@ -421,6 +421,25 @@ ok: } #endif +#ifdef L_dos_segfree +unsigned int +__segfree(segno) +unsigned int segno; +{ +#asm + push es + mov bx,sp + mov es,[bx+4] + mov ah,#$49 + int $21 + jc err + mov ax,#0 +err: + pop es +#endasm +} +#endif + #ifdef L_dos_setvect void __setvect(i,j) @@ -463,6 +482,62 @@ int vecno; } #endif +#ifdef L_dos_getmod +int +__dos_getmod(fname) +{ +#asm +#if __FIRST_ARG_IN_AX__ + mov dx,ax +#else + mov bx,sp + mov dx,[bx+2] +#endif + mov ax,#$4300 + int #$21 + jnc statok + mov cx,#-1 +statok: + mov ax,cx +#endasm +} +#endif + +#ifdef L_dos_stat +int +__dos_stat(fname, dtaptr) +{ +#asm + mov bx,sp +#if __FIRST_ARG_IN_AX__ + mov cx,ax + mov dx,[bx+2] +#else + mov dx,[bx+4] +#endif + mov ah,#$1A ; Set DTA to requested + int #$21 +#if __FIRST_ARG_IN_AX__ + mov ax,cx +#else + mov dx,[bx+2] +#endif + mov ax,#$4300 ; Locate the file + int #$21 + jc nonesuch + mov ax,#$4e00 ; Get all the available information. + int #$21 + jc nonesuch + xor ax,ax + ret +nonesuch: + mov ax,#2 + mov _errno,ax + mov ax,#-1 +#endasm +} +#endif + #ifdef L_dos_isatty isatty(fd) int fd; |