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Diffstat (limited to 'nohtml/strl.cpp')
| -rw-r--r-- | nohtml/strl.cpp | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/nohtml/strl.cpp b/nohtml/strl.cpp new file mode 100644 index 0000000..e4e5e26 --- /dev/null +++ b/nohtml/strl.cpp @@ -0,0 +1,104 @@ +/* $OpenBSD: strlcpy.c,v 1.4 1999/05/01 18:56:41 millert Exp $ */ + +/*- + * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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. + */ + +#include "common.h" +#include "strl.h" + +/* + * Copy src to string dst of size siz. At most siz-1 characters + * will be copied. Always NUL terminates (unless siz == 0). + * Returns lstrlen(src); if retval >= siz, truncation occurred. + */ +size_t strlcpy(char* dst,const char *src, size_t siz) +{ + char *d = dst; + const char *s = src; + size_t n = siz; + + /* Copy as many bytes as will fit */ + if (n != 0 && --n != 0) { + do { + if ((*d++ = *s++) == 0) + break; + } while (--n != 0); + } + + /* Not enough room in dst, add NUL and traverse rest of src */ + if (n == 0) { + if (siz != 0) + *d = '\0'; /* NUL-terminate dst */ + while (*s++) + ; + } + + return(s - src - 1); /* count does not include NUL */ +} +size_t wcslcpy(wchar_t *dst, const wchar_t *src, size_t siz) +{ + wchar_t *d = dst; + const wchar_t *s = src; + size_t n = siz; + + /* Copy as many bytes as will fit */ + if (n != 0 && --n != 0) { + do { + if ((*d++ = *s++) == 0) + break; + } while (--n != 0); + } + + /* Not enough room in dst, add NUL and traverse rest of src */ + if (n == 0) { + if (siz != 0) + *d = '\0'; /* NUL-terminate dst */ + while (*s++) + ; + } + + return(s - src - 1); /* count does not include NUL */ +} +char* strldup(const char* src,size_t siz) +{ + char* dst=new char[siz+1]; + memcpy(dst,src,siz+1); + return dst; +} +wchar_t* wcsldup(const wchar_t* src,size_t siz) +{ + wchar_t* dst=new wchar_t[siz+1]; + memcpy(dst,src,siz*2+2); + return dst; +} +char* strlcat(const char* dst,const char *src) +{ + char* nstr=new char[lstrlen(dst)+lstrlen(src)+1]; + memcpy(nstr,dst,lstrlen(dst)); + memcpy(&nstr[lstrlen(dst)],src,lstrlen(src)+1); + return nstr; +} |