29 lines
974 B
Plaintext
29 lines
974 B
Plaintext
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variable sendbuffer-len 0 sendbuffer-len !
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2048 constant SENDBUFFER_SIZE
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create sendbuffer SENDBUFFER_SIZE allot
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\ Calling C here is just optimization.
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c-library sanitizelib
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\c void csanitize(char *buffer, int buffersize) {
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\c int lastIsNewline = buffer[buffersize-1] == '\n' ? 1 : 0;
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\c for(int i = 0; i<buffersize; i++) {
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\c if(buffer[i]<32 || buffer[i]>127) { buffer[i] = '?'; }
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\c }
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\c if(lastIsNewline) { buffer[buffersize-1] = '\n'; }
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\c return;
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\c }
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c-function csanitize csanitize a n -- void
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end-c-library
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: sendbuffer-reset ( -- ) 0 sendbuffer-len ! ;
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: (overflow?) ( n -- flag )
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sendbuffer-len @ + SENDBUFFER_SIZE u> ;
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: (append) ( str -- )
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dup -rot sendbuffer sendbuffer-len @ + swap move
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sendbuffer-len +! ;
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: sendbuffer-append ( str -- )
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dup (overflow?) abort" sendbuffer overflow" (append) ;
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: sendbuffer-sanitize ( -- )
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sendbuffer sendbuffer-len @ csanitize ;
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: sendbuffer@ ( -- str ) sendbuffer sendbuffer-len @ ;
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