Mercurial > trustbridge > nss-cmake-static
diff nspr/lib/libc/src/strstr.c @ 0:1e5118fa0cb1
This is NSS with a Cmake Buildsyste
To compile a static NSS library for Windows we've used the
Chromium-NSS fork and added a Cmake buildsystem to compile
it statically for Windows. See README.chromium for chromium
changes and README.trustbridge for our modifications.
| author | Andre Heinecke <andre.heinecke@intevation.de> |
|---|---|
| date | Mon, 28 Jul 2014 10:47:06 +0200 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/nspr/lib/libc/src/strstr.c Mon Jul 28 10:47:06 2014 +0200 @@ -0,0 +1,85 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "plstr.h" +#include <string.h> + +PR_IMPLEMENT(char *) +PL_strstr(const char *big, const char *little) +{ + if( ((const char *)0 == big) || ((const char *)0 == little) ) return (char *)0; + if( ((char)0 == *big) || ((char)0 == *little) ) return (char *)0; + + return strstr(big, little); +} + +PR_IMPLEMENT(char *) +PL_strrstr(const char *big, const char *little) +{ + const char *p; + size_t ll; + size_t bl; + + if( ((const char *)0 == big) || ((const char *)0 == little) ) return (char *)0; + if( ((char)0 == *big) || ((char)0 == *little) ) return (char *)0; + + ll = strlen(little); + bl = strlen(big); + if( bl < ll ) return (char *)0; + p = &big[ bl - ll ]; + + for( ; p >= big; p-- ) + if( *little == *p ) + if( 0 == strncmp(p, little, ll) ) + return (char *)p; + + return (char *)0; +} + +PR_IMPLEMENT(char *) +PL_strnstr(const char *big, const char *little, PRUint32 max) +{ + size_t ll; + + if( ((const char *)0 == big) || ((const char *)0 == little) ) return (char *)0; + if( ((char)0 == *big) || ((char)0 == *little) ) return (char *)0; + + ll = strlen(little); + if( ll > (size_t)max ) return (char *)0; + max -= (PRUint32)ll; + max++; + + for( ; max && *big; big++, max-- ) + if( *little == *big ) + if( 0 == strncmp(big, little, ll) ) + return (char *)big; + + return (char *)0; +} + +PR_IMPLEMENT(char *) +PL_strnrstr(const char *big, const char *little, PRUint32 max) +{ + const char *p; + size_t ll; + + if( ((const char *)0 == big) || ((const char *)0 == little) ) return (char *)0; + if( ((char)0 == *big) || ((char)0 == *little) ) return (char *)0; + + ll = strlen(little); + + for( p = big; max && *p; p++, max-- ) + ; + + p -= ll; + if( p < big ) return (char *)0; + + for( ; p >= big; p-- ) + if( *little == *p ) + if( 0 == strncmp(p, little, ll) ) + return (char *)p; + + return (char *)0; +}