From 682f23e7bb4a52bedf46eff5c4859e1308eda124 Mon Sep 17 00:00:00 2001 From: Michał Cichoń Date: Tue, 25 Aug 2015 19:56:24 +0200 Subject: Update build ref --- libcurl/src/lib/rawstr.c | 142 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 142 insertions(+) create mode 100644 libcurl/src/lib/rawstr.c (limited to 'libcurl/src/lib/rawstr.c') diff --git a/libcurl/src/lib/rawstr.c b/libcurl/src/lib/rawstr.c new file mode 100644 index 0000000..541e3f6 --- /dev/null +++ b/libcurl/src/lib/rawstr.c @@ -0,0 +1,142 @@ +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 1998 - 2011, Daniel Stenberg, , et al. + * + * This software is licensed as described in the file COPYING, which + * you should have received as part of this distribution. The terms + * are also available at http://curl.haxx.se/docs/copyright.html. + * + * You may opt to use, copy, modify, merge, publish, distribute and/or sell + * copies of the Software, and permit persons to whom the Software is + * furnished to do so, under the terms of the COPYING file. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ***************************************************************************/ + +#include "curl_setup.h" + +#include "rawstr.h" + +/* Portable, consistent toupper (remember EBCDIC). Do not use toupper() because + its behavior is altered by the current locale. */ +CURL_STATIC char Curl_raw_toupper(char in) +{ + switch (in) { + case 'a': + return 'A'; + case 'b': + return 'B'; + case 'c': + return 'C'; + case 'd': + return 'D'; + case 'e': + return 'E'; + case 'f': + return 'F'; + case 'g': + return 'G'; + case 'h': + return 'H'; + case 'i': + return 'I'; + case 'j': + return 'J'; + case 'k': + return 'K'; + case 'l': + return 'L'; + case 'm': + return 'M'; + case 'n': + return 'N'; + case 'o': + return 'O'; + case 'p': + return 'P'; + case 'q': + return 'Q'; + case 'r': + return 'R'; + case 's': + return 'S'; + case 't': + return 'T'; + case 'u': + return 'U'; + case 'v': + return 'V'; + case 'w': + return 'W'; + case 'x': + return 'X'; + case 'y': + return 'Y'; + case 'z': + return 'Z'; + } + return in; +} + +/* + * Curl_raw_equal() is for doing "raw" case insensitive strings. This is meant + * to be locale independent and only compare strings we know are safe for + * this. See http://daniel.haxx.se/blog/2008/10/15/strcasecmp-in-turkish/ for + * some further explanation to why this function is necessary. + * + * The function is capable of comparing a-z case insensitively even for + * non-ascii. + */ + +CURL_STATIC int Curl_raw_equal(const char *first, const char *second) +{ + while(*first && *second) { + if(Curl_raw_toupper(*first) != Curl_raw_toupper(*second)) + /* get out of the loop as soon as they don't match */ + break; + first++; + second++; + } + /* we do the comparison here (possibly again), just to make sure that if the + loop above is skipped because one of the strings reached zero, we must not + return this as a successful match */ + return (Curl_raw_toupper(*first) == Curl_raw_toupper(*second)); +} + +CURL_STATIC int Curl_raw_nequal(const char *first, const char *second, size_t max) +{ + while(*first && *second && max) { + if(Curl_raw_toupper(*first) != Curl_raw_toupper(*second)) { + break; + } + max--; + first++; + second++; + } + if(0 == max) + return 1; /* they are equal this far */ + + return Curl_raw_toupper(*first) == Curl_raw_toupper(*second); +} + +/* Copy an upper case version of the string from src to dest. The + * strings may overlap. No more than n characters of the string are copied + * (including any NUL) and the destination string will NOT be + * NUL-terminated if that limit is reached. + */ +CURL_STATIC void Curl_strntoupper(char *dest, const char *src, size_t n) +{ + if(n < 1) + return; + + do { + *dest++ = Curl_raw_toupper(*src); + } while(*src++ && --n); +} -- cgit v1.2.3