diff options
Diffstat (limited to 'src/lib/libc/string/strerror_r.c')
| -rw-r--r-- | src/lib/libc/string/strerror_r.c | 76 |
1 files changed, 48 insertions, 28 deletions
diff --git a/src/lib/libc/string/strerror_r.c b/src/lib/libc/string/strerror_r.c index 28bfd00a47..958a88df3e 100644 --- a/src/lib/libc/string/strerror_r.c +++ b/src/lib/libc/string/strerror_r.c | |||
| @@ -1,8 +1,8 @@ | |||
| 1 | /* $OpenBSD: strerror_r.c,v 1.4 2005/05/08 06:25:44 otto Exp $ */ | 1 | /* $OpenBSD: strerror_r.c,v 1.5 2005/05/26 12:56:01 otto Exp $ */ |
| 2 | /* Public Domain <marc@snafu.org> */ | 2 | /* Public Domain <marc@snafu.org> */ |
| 3 | 3 | ||
| 4 | #if defined(LIBC_SCCS) && !defined(lint) | 4 | #if defined(LIBC_SCCS) && !defined(lint) |
| 5 | static char *rcsid = "$OpenBSD: strerror_r.c,v 1.4 2005/05/08 06:25:44 otto Exp $"; | 5 | static char *rcsid = "$OpenBSD: strerror_r.c,v 1.5 2005/05/26 12:56:01 otto Exp $"; |
| 6 | #endif /* LIBC_SCCS and not lint */ | 6 | #endif /* LIBC_SCCS and not lint */ |
| 7 | 7 | ||
| 8 | #ifdef NLS | 8 | #ifdef NLS |
| @@ -14,9 +14,11 @@ static char *rcsid = "$OpenBSD: strerror_r.c,v 1.4 2005/05/08 06:25:44 otto Exp | |||
| 14 | 14 | ||
| 15 | #define sys_errlist _sys_errlist | 15 | #define sys_errlist _sys_errlist |
| 16 | #define sys_nerr _sys_nerr | 16 | #define sys_nerr _sys_nerr |
| 17 | #define sys_siglist _sys_siglist | ||
| 17 | 18 | ||
| 18 | #include <errno.h> | 19 | #include <errno.h> |
| 19 | #include <limits.h> | 20 | #include <limits.h> |
| 21 | #include <signal.h> | ||
| 20 | #include <string.h> | 22 | #include <string.h> |
| 21 | 23 | ||
| 22 | static size_t | 24 | static size_t |
| @@ -33,13 +35,13 @@ __digits10(unsigned int num) | |||
| 33 | } | 35 | } |
| 34 | 36 | ||
| 35 | static int | 37 | static int |
| 36 | __itoa(int num, char *buffer, size_t start, size_t end) | 38 | __itoa(int num, int sign, char *buffer, size_t start, size_t end) |
| 37 | { | 39 | { |
| 38 | size_t pos; | 40 | size_t pos; |
| 39 | unsigned int a; | 41 | unsigned int a; |
| 40 | int neg; | 42 | int neg; |
| 41 | 43 | ||
| 42 | if (num < 0) { | 44 | if (sign && num < 0) { |
| 43 | a = -num; | 45 | a = -num; |
| 44 | neg = 1; | 46 | neg = 1; |
| 45 | } | 47 | } |
| @@ -68,47 +70,39 @@ __itoa(int num, char *buffer, size_t start, size_t end) | |||
| 68 | } | 70 | } |
| 69 | 71 | ||
| 70 | 72 | ||
| 71 | #define UPREFIX "Unknown error: " | 73 | static int |
| 72 | 74 | __num2string(int num, int sign, int setid, char *buf, size_t buflen, | |
| 73 | int | 75 | char * list[], size_t max, const char *def) |
| 74 | strerror_r(int errnum, char *strerrbuf, size_t buflen) | ||
| 75 | { | 76 | { |
| 76 | int save_errno; | 77 | int ret = 0; |
| 77 | int ret_errno; | ||
| 78 | size_t len; | 78 | size_t len; |
| 79 | #ifdef NLS | ||
| 80 | nl_catd catd; | ||
| 81 | #endif | ||
| 82 | |||
| 83 | save_errno = errno; | ||
| 84 | ret_errno = 0; | ||
| 85 | 79 | ||
| 86 | #ifdef NLS | 80 | #ifdef NLS |
| 81 | nl_catd catd; | ||
| 87 | catd = catopen("libc", 0); | 82 | catd = catopen("libc", 0); |
| 88 | #endif | 83 | #endif |
| 89 | 84 | ||
| 90 | if (errnum >= 0 && errnum < sys_nerr) { | 85 | if (0 <= num && num < max) { |
| 91 | #ifdef NLS | 86 | #ifdef NLS |
| 92 | len = strlcpy(strerrbuf, catgets(catd, 1, errnum, | 87 | len = strlcpy(buf, catgets(catd, setid, num, list[num]), |
| 93 | (char *)sys_errlist[errnum]), buflen); | 88 | buflen); |
| 94 | #else | 89 | #else |
| 95 | len = strlcpy(strerrbuf, sys_errlist[errnum], buflen); | 90 | len = strlcpy(buf, def, buflen); |
| 96 | #endif | 91 | #endif |
| 97 | if (len >= buflen) | 92 | if (len >= buflen) |
| 98 | ret_errno = ERANGE; | 93 | ret = ERANGE; |
| 99 | } else { | 94 | } else { |
| 100 | #ifdef NLS | 95 | #ifdef NLS |
| 101 | len = strlcpy(strerrbuf, catgets(catd, 1, 0xffff, UPREFIX), | 96 | len = strlcpy(buf, catgets(catd, setid, 0xffff, def), buflen); |
| 102 | buflen); | ||
| 103 | #else | 97 | #else |
| 104 | len = strlcpy(strerrbuf, UPREFIX, buflen); | 98 | len = strlcpy(buf, def, buflen); |
| 105 | #endif | 99 | #endif |
| 106 | if (len >= buflen) | 100 | if (len >= buflen) |
| 107 | ret_errno = ERANGE; | 101 | ret = ERANGE; |
| 108 | else { | 102 | else { |
| 109 | ret_errno = __itoa(errnum, strerrbuf, len, buflen); | 103 | ret = __itoa(num, sign, buf, len, buflen); |
| 110 | if (ret_errno == 0) | 104 | if (ret == 0) |
| 111 | ret_errno = EINVAL; | 105 | ret = EINVAL; |
| 112 | } | 106 | } |
| 113 | } | 107 | } |
| 114 | 108 | ||
| @@ -116,6 +110,32 @@ strerror_r(int errnum, char *strerrbuf, size_t buflen) | |||
| 116 | catclose(catd); | 110 | catclose(catd); |
| 117 | #endif | 111 | #endif |
| 118 | 112 | ||
| 113 | return ret; | ||
| 114 | } | ||
| 115 | |||
| 116 | #define UPREFIX "Unknown error: " | ||
| 117 | |||
| 118 | int | ||
| 119 | strerror_r(int errnum, char *strerrbuf, size_t buflen) | ||
| 120 | { | ||
| 121 | int save_errno; | ||
| 122 | int ret_errno; | ||
| 123 | |||
| 124 | save_errno = errno; | ||
| 125 | |||
| 126 | ret_errno = __num2string(errnum, 1, 1, strerrbuf, buflen, | ||
| 127 | sys_errlist, sys_nerr, UPREFIX); | ||
| 128 | |||
| 119 | errno = ret_errno ? ret_errno : save_errno; | 129 | errno = ret_errno ? ret_errno : save_errno; |
| 120 | return (ret_errno); | 130 | return (ret_errno); |
| 121 | } | 131 | } |
| 132 | |||
| 133 | #define USIGPREFIX "Unknown signal: " | ||
| 134 | |||
| 135 | char * | ||
| 136 | __strsignal(int num, char *buf) | ||
| 137 | { | ||
| 138 | __num2string(num, 0, 2, buf, NL_TEXTMAX, (char **)sys_siglist, NSIG, | ||
| 139 | USIGPREFIX); | ||
| 140 | return buf; | ||
| 141 | } | ||
