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Diffstat (limited to 'src/lib/libc/string/strerror_r.c')
-rw-r--r--src/lib/libc/string/strerror_r.c107
1 files changed, 0 insertions, 107 deletions
diff --git a/src/lib/libc/string/strerror_r.c b/src/lib/libc/string/strerror_r.c
deleted file mode 100644
index b45dee12d8..0000000000
--- a/src/lib/libc/string/strerror_r.c
+++ /dev/null
@@ -1,107 +0,0 @@
1/* $OpenBSD: strerror_r.c,v 1.13 2016/10/19 16:26:16 bluhm Exp $ */
2/* Public Domain <marc@snafu.org> */
3
4#include <errno.h>
5#include <limits.h>
6#include <signal.h>
7#include <string.h>
8
9static size_t
10__digits10(unsigned int num)
11{
12 size_t i = 0;
13
14 do {
15 num /= 10;
16 i++;
17 } while (num != 0);
18
19 return i;
20}
21
22static int
23__itoa(int num, int sign, char *buffer, size_t start, size_t end)
24{
25 size_t pos;
26 unsigned int a;
27 int neg;
28
29 if (sign && num < 0) {
30 a = -num;
31 neg = 1;
32 }
33 else {
34 a = num;
35 neg = 0;
36 }
37
38 pos = start + __digits10(a);
39 if (neg)
40 pos++;
41
42 if (pos < end)
43 buffer[pos] = '\0';
44 else
45 return ERANGE;
46 pos--;
47 do {
48 buffer[pos] = (a % 10) + '0';
49 pos--;
50 a /= 10;
51 } while (a != 0);
52 if (neg)
53 buffer[pos] = '-';
54 return 0;
55}
56
57
58static int
59__num2string(int num, int sign, int setid, char *buf, size_t buflen,
60 const char * const list[], size_t max, const char *def)
61{
62 int ret = 0;
63 size_t len;
64
65 if (0 <= num && num < max) {
66 len = strlcpy(buf, list[num], buflen);
67 if (len >= buflen)
68 ret = ERANGE;
69 } else {
70 len = strlcpy(buf, def, buflen);
71 if (len >= buflen)
72 ret = ERANGE;
73 else {
74 ret = __itoa(num, sign, buf, len, buflen);
75 if (ret == 0)
76 ret = EINVAL;
77 }
78 }
79
80 return ret;
81}
82
83#define UPREFIX "Unknown error: "
84
85int
86strerror_r(int errnum, char *strerrbuf, size_t buflen)
87{
88 int ret_errno;
89
90 ret_errno = __num2string(errnum, 1, 1, strerrbuf, buflen,
91 sys_errlist, sys_nerr, UPREFIX);
92
93 if (ret_errno)
94 errno = ret_errno;
95 return (ret_errno);
96}
97DEF_WEAK(strerror_r);
98
99#define USIGPREFIX "Unknown signal: "
100
101char *
102__strsignal(int num, char *buf)
103{
104 __num2string(num, 0, 2, buf, NL_TEXTMAX, sys_siglist, NSIG,
105 USIGPREFIX);
106 return buf;
107}