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3.2.4 Error Strings
- Function: const char * gcry_strerror (gcry_error_t err)
The function
gcry_strerror
returns a pointer to a statically allocated string containing a description of the error code contained in the error value err. This string can be used to output a diagnostic message to the user.
- Function: const char * gcry_strsource (gcry_error_t err)
The function
gcry_strsource
returns a pointer to a statically allocated string containing a description of the error source contained in the error value err. This string can be used to output a diagnostic message to the user.
The following example illustrates the use of the functions described above:
{ gcry_cipher_hd_t handle; gcry_error_t err = 0; err = gcry_cipher_open (&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_CBC, 0); if (err) { fprintf (stderr, "Failure: %s/%s\n", gcry_strsource (err), gcry_strerror (err)); } }
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