err_state_st

Name

Description

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Index of the oldest error slot in the ring buffer.

err_buffer

Packed error code stored in each slot (OpenSSL or system error).

err_data

Optional auxiliary detail strings for each error slot (see ERR_TXT_*).

err_data_flags

ERR_TXT_* flags describing how err_data[i] is owned and formatted.

err_data_size

Allocated size in bytes of each err_data slot.

err_file

Source file name associated with each error slot (may be NULL).

err_flags

Per‐slot internal flags (for example ERR_FLAG_MARK, ERR_FLAG_CLEAR).

err_func

Function‐name strings associated with each slot in the error ring buffer.

err_line

Source line number for each error (‐1 when unset).

err_marks

Mark nesting depth at each ring‐buffer slot (used by ERR_set_mark()).

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Index of the newest error slot in the ring buffer.