diff options
Diffstat (limited to 'usr/src/lib/libast/common/string/strlcpy.c')
-rw-r--r-- | usr/src/lib/libast/common/string/strlcpy.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/usr/src/lib/libast/common/string/strlcpy.c b/usr/src/lib/libast/common/string/strlcpy.c new file mode 100644 index 0000000000..7849db81b6 --- /dev/null +++ b/usr/src/lib/libast/common/string/strlcpy.c @@ -0,0 +1,71 @@ +/*********************************************************************** +* * +* This software is part of the ast package * +* Copyright (c) 1985-2007 AT&T Knowledge Ventures * +* and is licensed under the * +* Common Public License, Version 1.0 * +* by AT&T Knowledge Ventures * +* * +* A copy of the License is available at * +* http://www.opensource.org/licenses/cpl1.0.txt * +* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * +* * +* Information and Software Systems Research * +* AT&T Research * +* Florham Park NJ * +* * +* Glenn Fowler <gsf@research.att.com> * +* David Korn <dgk@research.att.com> * +* Phong Vo <kpv@research.att.com> * +* * +***********************************************************************/ +#pragma prototyped +/* + * strlcpy implementation + */ + +#define strlcpy ______strlcpy + +#include <ast.h> + +#undef strlcpy + +#undef _def_map_ast +#include <ast_map.h> + +#if _lib_strlcpy + +NoN(strlcpy) + +#else + +/* + * copy at most n chars from t into s + * result 0 terminated if n>0 + * strlen(t) returned + */ + +#if defined(__EXPORT__) +#define extern __EXPORT__ +#endif + +extern size_t +strlcpy(register char* s, register const char* t, register size_t n) +{ + const char* o = t; + + if (n) + do + { + if (!--n) + { + *s = 0; + break; + } + } while (*s++ = *t++); + if (!n) + while (*t++); + return t - o - 1; +} + +#endif |