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eina_error: provide a fallback when strerror_r() is not available.

This commit is contained in:
Gustavo Sverzut Barbieri 2016-08-22 18:23:45 -03:00
parent 9348a84aa0
commit 602a98c8b9
1 changed files with 11 additions and 0 deletions
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11
src/lib/eina/eina_error.c
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@ -38,6 +38,7 @@
#include "eina_error.h"
#include "eina_stringshare.h"
#include "eina_lock.h"
#include "eina_str.h"
#ifdef EINA_HAVE_THREADS
#include "eina_hash.h"
#endif
@ -321,6 +322,16 @@ eina_error_msg_get(Eina_Error error)
# else /* STRERROR_R_CHAR_P */
str = strerror_r(error, buf, sizeof(buf)); /* GNU */
# endif /* ! STRERROR_R_CHAR_P */
#else
/* not so good fallback. Usually strerror(err) will
* return a const string if a known error (what we use),
* and will return a pointer to a global modified string
* formatted with "Unknown error XXXX".. which we just
* ignore... so while it's not super-correct, this
* should work well.
*/
eina_strlcpy(buf, strerror(error), sizeof(buf));
str = buf;
#endif /* HAVE_STRERROR_R */
if (!str)