Commit | Line | Data |
0198fd3c |
1 | /* |
2 | * The terms in the file "LICENSE.TERMS" do not apply to this file. |
3 | * See terms below. |
4 | * |
5 | * Copyright (c) 1988 Regents of the University of California. |
6 | * All rights reserved. |
7 | * |
8 | * Redistribution and use in source and binary forms, with or without |
9 | * modification, are permitted provided that the following conditions |
10 | * are met: |
11 | * 1. Redistributions of source code must retain the above copyright |
12 | * notice, this list of conditions and the following disclaimer. |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
16 | * 3. All advertising materials mentioning features or use of this software |
17 | * must display the following acknowledgement: |
18 | * This product includes software developed by the University of |
19 | * California, Berkeley and its contributors. |
20 | * 4. Neither the name of the University nor the names of its contributors |
21 | * may be used to endorse or promote products derived from this software |
22 | * without specific prior written permission. |
23 | * |
24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
34 | * SUCH DAMAGE. |
35 | */ |
36 | |
37 | #if defined(LIBC_SCCS) && !defined(lint) |
38 | /*static char *sccsid = "from: @(#)strerror.c 5.6 (Berkeley) 5/4/91";*/ |
9cb019c6 |
39 | static char *rcsid = "$Id: strerror.c,v 1.2 1999/07/27 14:59:09 roberts Exp $"; |
0198fd3c |
40 | #endif /* LIBC_SCCS and not lint */ |
41 | |
42 | #include "fcgi_config.h" |
43 | |
44 | #if ! defined (HAVE_STRERROR) |
45 | #include <string.h> |
46 | |
47 | /* |
48 | * Since perror() is not allowed to change the contents of strerror()'s |
49 | * static buffer, both functions supply their own buffers to the |
50 | * internal function __strerror(). |
51 | */ |
52 | |
53 | char * |
9cb019c6 |
54 | __strerror(int num, char *buf) |
0198fd3c |
55 | { |
56 | #define UPREFIX "Unknown error: " |
57 | extern char *sys_errlist[]; |
58 | extern int sys_nerr; |
59 | register unsigned int errnum; |
60 | register char *p, *t; |
61 | char tmp[40]; |
62 | |
63 | errnum = num; /* convert to unsigned */ |
64 | if (errnum < sys_nerr) |
65 | return(sys_errlist[errnum]); |
66 | |
67 | /* Do this by hand, so we don't include stdio(3). */ |
68 | t = tmp; |
69 | do { |
70 | *t++ = "0123456789"[errnum % 10]; |
71 | } while (errnum /= 10); |
72 | |
73 | strcpy (buf, UPREFIX); |
74 | for (p = buf + sizeof(UPREFIX) -1;;) { |
75 | *p++ = *--t; |
76 | if (t <= tmp) |
77 | break; |
78 | } |
79 | |
80 | return buf; |
81 | } |
82 | |
83 | |
84 | char * |
9cb019c6 |
85 | strerror(int num) |
0198fd3c |
86 | { |
87 | static char buf[40]; /* 64-bit number + slop */ |
88 | return __strerror(num, buf); |
89 | } |
90 | |
91 | #endif |