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author | Mattias Andrée <maandree@operamail.com> | 2015-11-17 03:30:10 +0100 |
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committer | Mattias Andrée <maandree@operamail.com> | 2015-11-17 03:30:10 +0100 |
commit | 5e57b83aae16d44318b9eed1b2cecd0591adc981 (patch) | |
tree | e1cf6290396be7c3251e95606c8a316058ce52a6 /src/string/strerror.c | |
parent | split err.c (diff) | |
download | slibc-5e57b83aae16d44318b9eed1b2cecd0591adc981.tar.gz slibc-5e57b83aae16d44318b9eed1b2cecd0591adc981.tar.bz2 slibc-5e57b83aae16d44318b9eed1b2cecd0591adc981.tar.xz |
m + typo + split (almost all) string/*.c
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to '')
-rw-r--r-- | src/string/strerror.c | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/src/string/strerror.c b/src/string/strerror.c index ccce049..315e40d 100644 --- a/src/string/strerror.c +++ b/src/string/strerror.c @@ -16,7 +16,6 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <string.h> -#include <errno.h> @@ -43,86 +42,3 @@ char* strerror(int errnum) return strerror_l(errnum, 0 /* TODO CURRENT_LOCALE, not defined */); } - -/** - * Return a textual representation of an error code. - * This error code must from `errno`. - * - * POSIX specifies `errno` may only be set on failure, - * and reserves no return value to indicate such. - * You should therefore, set `errno` to zero before calling - * this function, and inspect `errno` when it returns. - * - * The returned value must not be modified or freed. - * - * @param errnum The error code. - * @param locale The locale, must be a valid locale and not - * `LC_GLOBAL_LOCALE`, lest the behaviour is undefined. - * @return A description of the error. - */ -char* strerror_l(int errnum, locale_t locale) -{ - /* TODO implement strerror_l */ - return strerror(errnum); - (void) locale; -} - - -/** - * Reenterant variant of `strerror`. - * - * This is an XSI-compliant extension. However the name - * is not part of the XSI specification, `strerror_r` - * should be used. It is defined to this function if - * `(_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !_GNU_SOURCE`. - * However it is not defined if _SLIBC_SOURCE is defined. - * - * @param errnum The error code. - * @param buf Buffer where the description shall be stored. - * @param buflen The allocation size of `buf`. - * @return Zero on success, value for `errno` on error - * - * @throws ERANGE `buf` was too small to store the description. - */ -int __xsi_strerror_r(int errnum, char* buf, size_t buflen) -{ - char* description = strerror(errnum); - size_t length = strlen(description); - - if (buflen == 0) - return ERANGE; - - if (buflen <= length) - { - memcpy(buf, description, buflen - 1); - buf[buflen - 1] = 0; - return ERANGE; - } - - return memcpy(buf, description, length + 1), 0; -} - - -/** - * Reenterant variant of `strerror`. - * - * This is a GNU-specific extension. However the name - * is not part of the GNU specification, `strerror_r` should - * be used. It is defined to this function unless - * `(_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !_GNU_SOURCE`. - * However it is not defined if _SLIBC_SOURCE is defined. - * - * @param errnum The error code. - * @param buf Buffer where the description shall be stored. - * @param buflen The allocation size of `buf`. - * @return `buf` on success, `NULL` on error. On error, `errno` - * is set to indicate the error. - * - * @throws ERANGE `buf` was too small to store the description. - */ -char* __gnu_strerror_r(int errnum, char* buf, size_t buflen) -{ - errno = __xsi_strerror_r(errnum, buf, buflen); - return errno ? NULL : buf; -} - |