diff options
Diffstat (limited to 'pkg/xtools/strdetab.x')
-rw-r--r-- | pkg/xtools/strdetab.x | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/pkg/xtools/strdetab.x b/pkg/xtools/strdetab.x new file mode 100644 index 00000000..9ce99675 --- /dev/null +++ b/pkg/xtools/strdetab.x @@ -0,0 +1,30 @@ +# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. + +# STRDETAB -- Procedure to remove tabs from a line of text and replace with +# blanks. + +procedure strdetab (line, outline, maxch, tabsize) + +int ip, op, maxch, tabsize +char line[ARB], outline [ARB] + +begin + op=1 + ip=1 + + while (line[ip] != EOS && op <= maxch) { + if (line[ip] == '\t') { + repeat { + outline[op] = ' ' + op = op + 1 + } until ((mod (op, tabsize) == 1) || (op > maxch)) + ip = ip + 1 + } else { + outline[op] = line[ip] + op = op + 1 + ip = ip + 1 + } + } + + outline[op] = EOS +end |