Maxim Dounin 4b6f8dcd2a Core: crypt_r() error handling fixed.
The crypt_r() function returns NULL on errors, check it explicitly instead
of assuming errno will remain 0 if there are no errors (per POSIX, the
setting of errno after a successful call to a function is unspecified
unless the description of that function specifies that errno shall not
be modified).

Additionally, dropped unneeded ngx_set_errno(0) and fixed error handling
of memory allocation after normal crypt(), which was inapropriate and
resulted in null pointer dereference on allocation failures.
2012-12-21 16:13:03 +00:00
2006-07-28 15:16:17 +00:00
2012-11-27 13:55:34 +00:00
2012-12-21 16:13:03 +00:00
2012-11-27 13:55:54 +00:00
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