| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| /* generates constant table for metadata.c */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| |
| static unsigned char legal_bits[256 / 8]; |
| |
| static void legal(int x) { |
| int byte = x / 8; |
| int bit = x % 8; |
| /* NB: the following integer arithmetic operation needs to be in its |
| * expanded form due to the "integral promotion" performed (see section |
| * 3.2.1.1 of the C89 draft standard). A cast to the smaller container type |
| * is then required to avoid the compiler warning */ |
| legal_bits[byte] = |
| (unsigned char)((legal_bits[byte] | (unsigned char)(1 << bit))); |
| } |
| |
| static void dump(const char *name) { |
| int i; |
| |
| printf("const uint8_t %s[256/8] = ", name); |
| for (i = 0; i < 256 / 8; i++) |
| printf("%c 0x%02x", i ? ',' : '{', legal_bits[i]); |
| printf(" };\n"); |
| } |
| |
| static void clear(void) { memset(legal_bits, 0, sizeof(legal_bits)); } |
| |
| int main(void) { |
| int i; |
| |
| clear(); |
| for (i = 'a'; i <= 'z'; i++) legal(i); |
| for (i = 'A'; i <= 'Z'; i++) legal(i); |
| for (i = '0'; i <= '9'; i++) legal(i); |
| legal('-'); |
| legal('_'); |
| legal('.'); |
| legal('~'); |
| dump("grpc_url_percent_encoding_unreserved_bytes"); |
| |
| clear(); |
| for (i = 32; i <= 126; i++) { |
| if (i == '%') continue; |
| legal(i); |
| } |
| dump("grpc_compatible_percent_encoding_unreserved_bytes"); |
| |
| return 0; |
| } |