X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=misc.c;h=9d71a8d4b1617c3b36162f3a7c81c2ba81876118;hb=162d04d360d8d70269ad17a02d44a983cb8dbfef;hp=1beab5e785c26db828f146fb725599c286dc1abc;hpb=3d012d9bd07efebffadcab368c6695f2e295bb21;p=PuTTY.git diff --git a/misc.c b/misc.c index 1beab5e7..9d71a8d4 100644 --- a/misc.c +++ b/misc.c @@ -48,11 +48,12 @@ unsigned long parse_blocksize(const char *bs) * Returns NULL in `next' if we didn't recognise it as a control character, * in which case `c' should be ignored. * The precise current parsing is an oddity inherited from the terminal - * answerback-string parsing code. All sequences are two characters, - * starting with '^'. The ones that are worth keeping are probably: + * answerback-string parsing code. All sequences start with ^; all except + * ^<123> are two characters. The ones that are worth keeping are probably: * ^? 127 * ^@A-Z[\]^_ 0-31 * a-z 1-26 + * specified by number (decimal, 0octal, 0xHEX) * ~ ^ escape */ char ctrlparse(char *s, char **next) @@ -60,23 +61,30 @@ char ctrlparse(char *s, char **next) char c = 0; if (*s != '^') { *next = NULL; - return c; } else { s++; if (*s == '\0') { *next = NULL; - return c; + } else if (*s == '<') { + s++; + c = (char)strtol(s, next, 0); + if ((*next == s) || (**next != '>')) { + c = 0; + *next = NULL; + } else + (*next)++; } else if (*s >= 'a' && *s <= 'z') { c = (*s - ('a' - 1)); + *next = s+1; } else if ((*s >= '@' && *s <= '_') || *s == '?' || (*s & 0x80)) { c = ('@' ^ *s); + *next = s+1; } else if (*s == '~') { c = '^'; + *next = s+1; } - s++; - *next = s; - return c; } + return c; } /* ----------------------------------------------------------------------