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Drop __redis_strerror_r 

Since _GNU_SOURCE is now guaranteed to be unset, it is no longer
necessary to support the GNU-specific version of strerror_r.

Drop __redis_strerror_r from the header, and call strerror_r directly.
This breaks any external users of this macro, but they shouldn't have
been using it in  the first place.

Signed-off-by: Justin Brewer <jzb0012@auburn.edu>
This commit is contained in:
Justin Brewer 2018-04-17 15:04:37 -05:00
parent 49bbaacc79
commit d1c1b668c1
3 changed files with 2 additions and 26 deletions
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2
hiredis.c
View File

@ -581,7 +581,7 @@ void __redisSetError(redisContext *c, int type, const char *str) {
} else {
/* Only REDIS_ERR_IO may lack a description! */
assert(type == REDIS_ERR_IO);
__redis_strerror_r(errno, c->errstr, sizeof(c->errstr));
strerror_r(errno, c->errstr, sizeof(c->errstr));
}
}

24
hiredis.h
View File

@ -80,30 +80,6 @@
* SO_REUSEADDR is being used. */
#define REDIS_CONNECT_RETRIES 10
/* strerror_r has two completely different prototypes and behaviors
* depending on system issues, so we need to operate on the error buffer
* differently depending on which strerror_r we're using. */
#ifndef _GNU_SOURCE
/* "regular" POSIX strerror_r that does the right thing. */
#define __redis_strerror_r(errno, buf, len) \
do { \
strerror_r((errno), (buf), (len)); \
} while (0)
#else
/* "bad" GNU strerror_r we need to clean up after. */
#define __redis_strerror_r(errno, buf, len) \
do { \
char *err_str = strerror_r((errno), (buf), (len)); \
/* If return value _isn't_ the start of the buffer we passed in, \
* then GNU strerror_r returned an internal static buffer and we \
* need to copy the result into our private buffer. */ \
if (err_str != (buf)) { \
strncpy((buf), err_str, ((len) - 1)); \
(buf)[(len)-1] = '\0'; \
} \
} while (0)
#endif
#ifdef __cplusplus
extern "C" {
#endif

2
net.c
View File

@ -71,7 +71,7 @@ static void __redisSetErrorFromErrno(redisContext *c, int type, const char *pref
if (prefix != NULL)
len = snprintf(buf,sizeof(buf),"%s: ",prefix);
__redis_strerror_r(errorno, (char *)(buf + len), sizeof(buf) - len);
strerror_r(errorno, (char *)(buf + len), sizeof(buf) - len);
__redisSetError(c,type,buf);
}