получить диагностику ошибок для функций в dlopen API (obtain error diagnostic for functions in the dlopen API)
Имя (Name)
dlerror - obtain error diagnostic for functions in the dlopen API
Синопсис (Synopsis)
#include <dlfcn.h>
char *dlerror(void);
Link with -ldl.
Описание (Description)
The dlerror
() function returns a human-readable, null-terminated
string describing the most recent error that occurred from a call
to one of the functions in the dlopen API since the last call to
dlerror
(). The returned string does not include a trailing
newline.
dlerror
() returns NULL if no errors have occurred since
initialization or since it was last called.
Версии (Versions)
dlerror
() is present in glibc 2.0 and later.
Атрибуты (Attributes)
For an explanation of the terms used in this section, see
attributes(7).
┌──────────────────────────────────────┬───────────────┬─────────┐
│Interface
│ Attribute
│ Value
│
├──────────────────────────────────────┼───────────────┼─────────┤
│dlerror
() │ Thread safety │ MT-Safe │
└──────────────────────────────────────┴───────────────┴─────────┘
Стандарты (Conforming to)
POSIX.1-2001.
Примечание (Note)
The message returned by dlerror
() may reside in a statically
allocated buffer that is overwritten by subsequent dlerror
()
calls.
History
This function is part of the dlopen API, derived from SunOS.
Примеры (Examples)
See dlopen(3).
Смотри также (See also)
dladdr(3), dlinfo(3), dlopen(3), dlsym(3)