/* $Id: unquote.c,v 1.1.1.1 1998/10/12 20:47:51 root Exp $ */ /* * Copyright (c) 1994-1995 Sam Leffler * Copyright (c) 1994-1995 Silicon Graphics, Inc. * * Permission to use, copy, modify, distribute, and sell this software and * its documentation for any purpose is hereby granted without fee, provided * that (i) the above copyright notices and this permission notice appear in * all copies of the software and related documentation, and (ii) the names of * Sam Leffler and Silicon Graphics may not be used in any advertising or * publicity relating to the software without the specific, prior written * permission of Sam Leffler and Silicon Graphics. * * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. * * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE * OF THIS SOFTWARE. */ #include <stdio.h> #include <stdlib.h> int main(int argc, char** argv) { int c, h0, h1; int quotestrings = 0; int stripnl = 0; int inquote = 0; while ((c = getopt(argc, argv, "qn")) != -1) switch (c) { case 'q': quotestrings = 1; break; case 'n': stripnl = 1; break; } while ((c = getchar()) != EOF) { if (c == '%') { h0 = getchar(); if (h0 == EOF) return (-1); h1 = getchar(); if (h1 == EOF) return (-1); if ('0' <= h0 && h0 <= '9') h0 -= '0'; else h0 = 10 + (h0 - 'A'); if ('0' <= h1 && h1 <= '9') h1 -= '0'; else h1 = 10 + (h1 - 'A'); c = 16*h0 + h1; if (c == '"' && quotestrings) putchar('\\'); putchar(c); } else if (c == '+') { putchar(' '); } else if (quotestrings && c == '=') { putchar('='); putchar('"'); inquote = 1; } else if (inquote && c == '&') { putchar('"'); putchar(';'); inquote = 0; } else if (c == '\r') { c = getchar(); putchar('\n'); if (c != '\n' && c != EOF) putchar(c); } else if (c != '\n' || !stripnl) { putchar(c); } } if (inquote) { putchar('"'); putchar(';'); } putchar('\n'); return (0); }