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- variable sendbuffer-len 0 sendbuffer-len !
- 4096 constant SENDBUFFER_SIZE
- create sendbuffer SENDBUFFER_SIZE allot
-
- \ Calling C here is just optimization.
- c-library sanitizelib
- \c void csanitize(char *buffer, int buffersize) {
- \c int lastIsNewline = buffer[buffersize-1] == '\n' ? 1 : 0;
- \c for(int i = 0; i<buffersize; i++) {
- \c if(buffer[i]<32 || buffer[i]>126) { buffer[i] = '?'; }
- \c }
- \c if(lastIsNewline) { buffer[buffersize-1] = '\n'; }
- \c return;
- \c }
- c-function csanitize csanitize a n -- void
- end-c-library
-
- : sendbuffer-reset ( -- ) 0 sendbuffer-len ! ;
- : (overflow?) ( n -- flag )
- sendbuffer-len @ + SENDBUFFER_SIZE u> ;
- : (append) ( str -- )
- dup -rot sendbuffer sendbuffer-len @ + swap move
- sendbuffer-len +! ;
- : sendbuffer-append ( str -- )
- dup (overflow?) abort" sendbuffer overflow" (append) ;
- : sendbuffer-sanitize ( -- )
- sendbuffer sendbuffer-len @ csanitize ;
- : sendbuffer@ ( -- str ) sendbuffer sendbuffer-len @ ;
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