Build the default path for the PRNG seed file into a caller‐provided buffer.

Synopsis

Declared in <openssl/rand.h>

char const*
RAND_file_name(
    char* file,
    size_t num);

Return Value

Pointer to file on success, or NULL on error.

Parameters

Name

Description

file

Output buffer that receives the path (for example from RANDFILE or $HOME/.rnd).

num

Size of file in bytes.

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