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Rev 1892 Rev 1893
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#include "trim.h"
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#include "trim.h"
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#include "helpers.h"
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#include "helpers.h"
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/* outputs a NUL-terminated string to stdout */
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void output(const char *s) {
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  _asm {
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    push ds
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    push es
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    /* get length of s into CX */
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    mov ax, 0x4000 /* ah=DOS "write to file" and AL=0 for NUL matching */
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    lds dx, s      /* set DS:DX to string (required for later) */
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    push ds
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    pop es         /* make sure es=ds (scasb uses es) */
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    mov di, dx     /* set di to string (for NULL matching) */
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    mov cx, 0xffff /* preset cx to 65535 (-1) */
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    cld            /* clear DF so scasb increments DI */
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    repne scasb    /* cmp al, es:[di], inc di, dec cx until match found */
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    /* CX contains (65535 - strlen(s)) now */
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    not cx         /* reverse all bits so I get (strlen(s) + 1) */
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    dec cx         /* this is CX length */
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    jz WRITEDONE   /* do nothing for empty strings */
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    /* output by writing to stdout */
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    /* mov ah, 0x40 */  /* DOS 2+ -- write to file via handle */
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    xor bh, bh
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    mov bl, 1 /* set handle (1=stdout 2=stderr) */
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    /* mov cx, xxx */ /* write CX bytes */
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    /* mov dx, s   */ /* DS:DX is the source of bytes to "write" */
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    int 0x21
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    WRITEDONE:
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    pop es
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    pop ds
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  }
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}
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/* change all / to \ in a string */
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/* change all / to \ in a string */
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void slash2backslash(char *str) {
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void slash2backslash(char *str) {
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  int x;
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  int x;
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  for (x = 0; str[x] != 0; x++) {
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  for (x = 0; str[x] != 0; x++) {
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    if (str[x] == '/') str[x] = '\\';
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    if (str[x] == '/') str[x] = '\\';