diff options
Diffstat (limited to 'usr/src/lib/libast/common/string/fmtbuf.c')
| -rw-r--r-- | usr/src/lib/libast/common/string/fmtbuf.c | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/usr/src/lib/libast/common/string/fmtbuf.c b/usr/src/lib/libast/common/string/fmtbuf.c deleted file mode 100644 index 7b7e21e27c..0000000000 --- a/usr/src/lib/libast/common/string/fmtbuf.c +++ /dev/null @@ -1,69 +0,0 @@ -/*********************************************************************** -* * -* This software is part of the ast package * -* Copyright (c) 1985-2010 AT&T Intellectual Property * -* and is licensed under the * -* Common Public License, Version 1.0 * -* by AT&T Intellectual Property * -* * -* 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 - -#include <ast.h> - -/* - * return small format buffer chunk of size n - * spin lock for thread access - * format buffers are short lived - * only one concurrent buffer with size > sizeof(buf) - */ - -static char buf[16 * 1024]; -static char* nxt = buf; -static int lck = -1; - -static char* big; -static size_t bigsiz; - -char* -fmtbuf(size_t n) -{ - register char* cur; - - while (++lck) - lck--; - if (n > (&buf[elementsof(buf)] - nxt)) - { - if (n > elementsof(buf)) - { - if (n > bigsiz) - { - bigsiz = roundof(n, 8 * 1024); - if (!(big = newof(big, char, bigsiz, 0))) - { - lck--; - return 0; - } - } - lck--; - return big; - } - nxt = buf; - } - cur = nxt; - nxt += n; - lck--; - return cur; -} |