-#define PROG pkeyparam_main
-
-int MAIN(int, char **);
-
-int MAIN(int argc, char **argv)
- {
- ENGINE *e = NULL;
- char **args, *infile = NULL, *outfile = NULL;
- BIO *in = NULL, *out = NULL;
- int text = 0, noout = 0;
- EVP_PKEY *pkey=NULL;
- int badarg = 0;
-#ifndef OPENSSL_NO_ENGINE
- char *engine=NULL;
-#endif
- int ret = 1;
-
- if (bio_err == NULL)
- bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
-
- if (!load_config(bio_err, NULL))
- goto end;
-
- ERR_load_crypto_strings();
- OpenSSL_add_all_algorithms();
- args = argv + 1;
- while (!badarg && *args && *args[0] == '-')
- {
- if (!strcmp (*args, "-in"))
- {
- if (args[1])
- {
- args++;
- infile = *args;
- }
- else badarg = 1;
- }
- else if (!strcmp (*args, "-out"))
- {
- if (args[1])
- {
- args++;
- outfile = *args;
- }
- else badarg = 1;
- }
-#ifndef OPENSSL_NO_ENGINE
- else if (strcmp(*args,"-engine") == 0)
- {
- if (!args[1]) goto bad;
- engine= *(++args);
- }
-#endif
-
- else if (strcmp(*args,"-text") == 0)
- text=1;
- else if (strcmp(*args,"-noout") == 0)
- noout=1;
- args++;
- }
-
- if (badarg)
- {
- bad:
- BIO_printf(bio_err, "Usage pkeyparam [options]\n");
- BIO_printf(bio_err, "where options are\n");
- BIO_printf(bio_err, "-in file input file\n");
- BIO_printf(bio_err, "-out file output file\n");
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_IN, OPT_OUT, OPT_TEXT, OPT_NOOUT, OPT_ENGINE
+} OPTION_CHOICE;
+
+OPTIONS pkeyparam_options[] = {
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"in", OPT_IN, '<', "Input file"},
+ {"out", OPT_OUT, '>', "Output file"},
+ {"text", OPT_TEXT, '-', "Print parameters as text"},
+ {"noout", OPT_NOOUT, '-', "Don't output encoded parameters"},