projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| 9385eb3d A |
1 | /* |
| 2 | * Copyright (c) 1988, 1993 | |
| e9ce8d39 A |
3 | * The Regents of the University of California. All rights reserved. |
| 4 | * | |
| e9ce8d39 A |
5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: | |
| 8 | * 1. Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * 3. All advertising materials mentioning features or use of this software | |
| 14 | * must display the following acknowledgement: | |
| 15 | * This product includes software developed by the University of | |
| 16 | * California, Berkeley and its contributors. | |
| 17 | * 4. Neither the name of the University nor the names of its contributors | |
| 18 | * may be used to endorse or promote products derived from this software | |
| 19 | * without specific prior written permission. | |
| 20 | * | |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 31 | * SUCH DAMAGE. | |
| 32 | */ | |
| 33 | ||
| 34 | #if defined(LIBC_SCCS) && !defined(lint) | |
| 9385eb3d | 35 | static char sccsid[] = "@(#)strerror.c 8.1 (Berkeley) 6/4/93"; |
| e9ce8d39 | 36 | #endif /* LIBC_SCCS and not lint */ |
| 9385eb3d A |
37 | #include <sys/cdefs.h> |
| 38 | __FBSDID("$FreeBSD: src/lib/libc/string/strsignal.c,v 1.4 2002/03/21 18:44:54 obrien Exp $"); | |
| e9ce8d39 | 39 | |
| e9ce8d39 | 40 | #include <stdio.h> |
| 9385eb3d A |
41 | #include <string.h> |
| 42 | #include <signal.h> | |
| e9ce8d39 | 43 | |
| 9385eb3d A |
44 | char * |
| 45 | strsignal(num) | |
| 46 | int num; | |
| e9ce8d39 | 47 | { |
| 9385eb3d A |
48 | #define UPREFIX "Unknown signal: " |
| 49 | static char ebuf[40] = UPREFIX; /* 64-bit number + slop */ | |
| 50 | unsigned int signum; | |
| 51 | char *p, *t; | |
| 52 | char tmp[40]; | |
| 53 | ||
| 54 | signum = num; /* convert to unsigned */ | |
| 55 | if (signum < sys_nsig) | |
| 56 | return ((char *)sys_siglist[signum]); | |
| 5b2abdfb | 57 | |
| 9385eb3d A |
58 | /* Do this by hand, so we don't link to stdio(3). */ |
| 59 | t = tmp; | |
| 60 | if (num < 0) | |
| 61 | signum = -signum; | |
| 62 | do { | |
| 63 | *t++ = "0123456789"[signum % 10]; | |
| 64 | } while (signum /= 10); | |
| 65 | if (num < 0) | |
| 66 | *t++ = '-'; | |
| 67 | for (p = ebuf + sizeof(UPREFIX) - 1;;) { | |
| 68 | *p++ = *--t; | |
| 69 | if (t <= tmp) | |
| 70 | break; | |
| 71 | } | |
| 72 | *p = '\0'; | |
| 73 | return (ebuf); | |
| e9ce8d39 | 74 | } |