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@@ -4,7 +4,8 @@
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OPTIONS, OPT_PAIR, OPT_COMMON, OPT_ERR, OPT_EOF, OPT_HELP,
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opt_init, opt_progname, opt_appname, opt_getprog, opt_help,
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-opt_begin, opt_next, opt_flag, opt_arg, opt_unknown, opt_cipher, opt_md,
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+opt_begin, opt_next, opt_flag, opt_arg, opt_unknown, opt_cipher,
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+opt_cipher_any, opt_cipher_silent, opt_md,
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opt_int, opt_int_arg, opt_long, opt_ulong, opt_intmax, opt_uintmax,
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opt_format, opt_isdir, opt_string, opt_pair,
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opt_num_rest, opt_rest
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@@ -33,6 +34,8 @@ opt_num_rest, opt_rest
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char *opt_arg(void);
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char *opt_unknown(void);
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int opt_cipher(const char *name, EVP_CIPHER **cipherp);
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+ int opt_cipher_any(const char *name, EVP_CIPHER **cipherp);
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+ int opt_cipher_silent(const char *name, EVP_CIPHER **cipherp);
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int opt_md(const char *name, EVP_MD **mdp);
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int opt_int(const char *value, int *result);
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@@ -242,10 +245,14 @@ The opt_arg() function returns the option's argument value, if there is one.
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The opt_unknown() function returns the unknown option.
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In an option list, there can be at most one option with the empty string.
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This is a "wildcard" or "unknown" option. For example, it allows an
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-option to be be taken as digest algorithm, like C<-sha1>. The
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-function opt_cipher() takes the specified I<name> and fills in
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-the cipher into I<cipherp>. The function opt_md() does the same
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-thing for message digest.
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+option to be be taken as digest algorithm, like C<-sha1>. The function
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+opt_md() takes the specified I<name> and fills in the digest into I<mdp>.
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+The functions opt_cipher(), opt_cipher_any() and opt_cipher_silent()
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+each takes the specified I<name> and fills in the cipher into I<cipherp>.
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+The function opt_cipher() only accepts ciphers which are not
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+AEAD and are not using XTS mode. The functions opt_cipher_any() and
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+opt_cipher_silent() accept any cipher, the latter not emitting an error
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+if the cipher is not located.
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There are a several useful functions for parsing numbers. These are
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opt_int(), opt_long(), opt_ulong(), opt_intmax(), and opt_uintmax(). They all
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Pauli