diff options
Diffstat (limited to 'src/lib/libc')
| -rw-r--r-- | src/lib/libc/stdlib/labs.3 | 20 | ||||
| -rw-r--r-- | src/lib/libc/stdlib/llabs.c | 45 |
2 files changed, 59 insertions, 6 deletions
diff --git a/src/lib/libc/stdlib/labs.3 b/src/lib/libc/stdlib/labs.3 index d00c307276..742f3eedba 100644 --- a/src/lib/libc/stdlib/labs.3 +++ b/src/lib/libc/stdlib/labs.3 | |||
| @@ -29,22 +29,28 @@ | |||
| 29 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | 29 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 30 | .\" SUCH DAMAGE. | 30 | .\" SUCH DAMAGE. |
| 31 | .\" | 31 | .\" |
| 32 | .\" $OpenBSD: labs.3,v 1.6 2003/06/02 20:18:37 millert Exp $ | 32 | .\" $OpenBSD: labs.3,v 1.7 2003/07/21 20:20:04 millert Exp $ |
| 33 | .\" | 33 | .\" |
| 34 | .Dd June 29, 1991 | 34 | .Dd May 14, 2003 |
| 35 | .Dt LABS 3 | 35 | .Dt LABS 3 |
| 36 | .Os | 36 | .Os |
| 37 | .Sh NAME | 37 | .Sh NAME |
| 38 | .Nm labs | 38 | .Nm labs, llabs |
| 39 | .Nd return the absolute value of a long integer | 39 | .Nd return the absolute value of a long integer |
| 40 | .Sh SYNOPSIS | 40 | .Sh SYNOPSIS |
| 41 | .Fd #include <stdlib.h> | 41 | .Fd #include <stdlib.h> |
| 42 | .Ft long | 42 | .Ft long |
| 43 | .Fn labs "long j" | 43 | .Fn labs "long i" |
| 44 | .Ft long long | ||
| 45 | .Fn llabs "long long j" | ||
| 44 | .Sh DESCRIPTION | 46 | .Sh DESCRIPTION |
| 45 | The | 47 | The |
| 46 | .Fn labs | 48 | .Fn labs |
| 47 | function returns the absolute value of the long integer | 49 | function returns the absolute value of the long integer |
| 50 | .Fa i . | ||
| 51 | The | ||
| 52 | .Fn llabs | ||
| 53 | function returns the absolute value of the long long integer | ||
| 48 | .Fa j . | 54 | .Fa j . |
| 49 | .Sh SEE ALSO | 55 | .Sh SEE ALSO |
| 50 | .Xr abs 3 , | 56 | .Xr abs 3 , |
| @@ -54,7 +60,9 @@ function returns the absolute value of the long integer | |||
| 54 | .Sh STANDARDS | 60 | .Sh STANDARDS |
| 55 | The | 61 | The |
| 56 | .Fn labs | 62 | .Fn labs |
| 57 | function conforms to | 63 | and |
| 58 | .St -ansiC . | 64 | .Fn llabs |
| 65 | functions conform to | ||
| 66 | .St -ansiC-99 . | ||
| 59 | .Sh BUGS | 67 | .Sh BUGS |
| 60 | The absolute value of the most negative integer remains negative. | 68 | The absolute value of the most negative integer remains negative. |
diff --git a/src/lib/libc/stdlib/llabs.c b/src/lib/libc/stdlib/llabs.c new file mode 100644 index 0000000000..9611b5aefd --- /dev/null +++ b/src/lib/libc/stdlib/llabs.c | |||
| @@ -0,0 +1,45 @@ | |||
| 1 | /* $OpenBSD: llabs.c,v 1.1 2003/07/21 20:20:04 millert Exp $ */ | ||
| 2 | |||
| 3 | /*- | ||
| 4 | * Copyright (c) 1990 The Regents of the University of California. | ||
| 5 | * All rights reserved. | ||
| 6 | * | ||
| 7 | * Redistribution and use in source and binary forms, with or without | ||
| 8 | * modification, are permitted provided that the following conditions | ||
| 9 | * are met: | ||
| 10 | * 1. Redistributions of source code must retain the above copyright | ||
| 11 | * notice, this list of conditions and the following disclaimer. | ||
| 12 | * 2. Redistributions in binary form must reproduce the above copyright | ||
| 13 | * notice, this list of conditions and the following disclaimer in the | ||
| 14 | * documentation and/or other materials provided with the distribution. | ||
| 15 | * 3. All advertising materials mentioning features or use of this software | ||
| 16 | * must display the following acknowledgement: | ||
| 17 | * This product includes software developed by the University of | ||
| 18 | * California, Berkeley and its contributors. | ||
| 19 | * 4. Neither the name of the University nor the names of its contributors | ||
| 20 | * may be used to endorse or promote products derived from this software | ||
| 21 | * without specific prior written permission. | ||
| 22 | * | ||
| 23 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | ||
| 24 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 25 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| 26 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | ||
| 27 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
| 28 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
| 29 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| 30 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
| 31 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
| 32 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
| 33 | * SUCH DAMAGE. | ||
| 34 | */ | ||
| 35 | |||
| 36 | #if defined(LIBC_SCCS) && !defined(lint) | ||
| 37 | static char *rcsid = "$OpenBSD: llabs.c,v 1.1 2003/07/21 20:20:04 millert Exp $"; | ||
| 38 | #endif /* LIBC_SCCS and not lint */ | ||
| 39 | |||
| 40 | #include <stdlib.h> | ||
| 41 | |||
| 42 | long long llabs(long long j) | ||
| 43 | { | ||
| 44 | return (j < 0 ? -j : j); | ||
| 45 | } | ||
