/*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
+#include <internal/cryptlib.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <openssl/bio.h>
#include <openssl/crypto.h>
+#include <openssl/trace.h>
#include <openssl/lhash.h>
#include <openssl/conf.h>
#include <openssl/x509.h>
# include <openssl/engine.h>
#endif
#include <openssl/err.h>
-#ifdef OPENSSL_FIPS
-# include <openssl/fips.h>
-#endif
-#define USE_SOCKETS /* needed for the _O_BINARY defs in the MS world */
-#include "s_apps.h"
/* Needed to get the other O_xxx flags. */
#ifdef OPENSSL_SYS_VMS
# include <unixio.h>
#endif
-#define INCLUDE_FUNCTION_TABLE
#include "apps.h"
-
-
-#ifdef OPENSSL_NO_CAMELLIA
-# define FORMAT "%-15s"
-# define COLUMNS 5
-#else
-# define FORMAT "%-18s"
-# define COLUMNS 4
-#endif
+#include "progs.h"
/* Special sentinel to exit the program. */
#define EXIT_THE_PROGRAM (-1)
*/
static LHASH_OF(FUNCTION) *prog_init(void);
static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[]);
-static void list_pkey(void);
-static void list_type(FUNC_TYPE ft);
-static void list_disabled(void);
char *default_config_file = NULL;
-static CONF *config = NULL;
BIO *bio_in = NULL;
BIO *bio_out = NULL;
BIO *bio_err = NULL;
-static int apps_startup()
+static void warn_deprecated(const FUNCTION *fp)
+{
+ if (fp->deprecated_version != NULL)
+ BIO_printf(bio_err, "The command %s was deprecated in version %s.",
+ fp->name, fp->deprecated_version);
+ else
+ BIO_printf(bio_err, "The command %s is deprecated.", fp->name);
+ if (strcmp(fp->deprecated_alternative, DEPRECATED_NO_ALTERNATIVE) != 0)
+ BIO_printf(bio_err, " Use '%s' instead.", fp->deprecated_alternative);
+ BIO_printf(bio_err, "\n");
+}
+
+static int apps_startup(void)
{
#ifdef SIGPIPE
signal(SIGPIPE, SIG_IGN);
#endif
/* Set non-default library initialisation settings */
- if (!OPENSSL_init_crypto(OPENSSL_INIT_ENGINE_ALL_BUILTIN
- | OPENSSL_INIT_LOAD_CONFIG, NULL))
+ if (!OPENSSL_init_ssl(OPENSSL_INIT_ENGINE_ALL_BUILTIN
+ | OPENSSL_INIT_LOAD_CONFIG, NULL))
return 0;
-#ifndef OPENSSL_NO_UI
setup_ui_method();
-#endif
return 1;
}
-static void apps_shutdown()
+static void apps_shutdown(void)
{
-#ifndef OPENSSL_NO_UI
destroy_ui_method();
-#endif
}
-static char *make_config_name()
+static char *make_config_name(void)
{
const char *t;
size_t len;
return p;
}
+
+#ifndef OPENSSL_NO_TRACE
+typedef struct tracedata_st {
+ BIO *bio;
+ unsigned int ingroup:1;
+} tracedata;
+
+static size_t internal_trace_cb(const char *buf, size_t cnt,
+ int category, int cmd, void *vdata)
+{
+ int ret = 0;
+ tracedata *trace_data = vdata;
+ char buffer[256], *hex;
+ CRYPTO_THREAD_ID tid;
+
+ switch (cmd) {
+ case OSSL_TRACE_CTRL_BEGIN:
+ if (!ossl_assert(!trace_data->ingroup))
+ return 0;
+ trace_data->ingroup = 1;
+
+ tid = CRYPTO_THREAD_get_current_id();
+ hex = OPENSSL_buf2hexstr((const unsigned char *)&tid, sizeof(tid));
+ BIO_snprintf(buffer, sizeof(buffer), "TRACE[%s]:%s: ",
+ hex == NULL ? "<null>" : hex,
+ OSSL_trace_get_category_name(category));
+ OPENSSL_free(hex);
+ BIO_set_prefix(trace_data->bio, buffer);
+ break;
+ case OSSL_TRACE_CTRL_WRITE:
+ if (!ossl_assert(trace_data->ingroup))
+ return 0;
+
+ ret = BIO_write(trace_data->bio, buf, cnt);
+ break;
+ case OSSL_TRACE_CTRL_END:
+ if (!ossl_assert(trace_data->ingroup))
+ return 0;
+ trace_data->ingroup = 0;
+
+ BIO_set_prefix(trace_data->bio, NULL);
+
+ break;
+ }
+
+ return ret < 0 ? 0 : ret;
+}
+
+DEFINE_STACK_OF(tracedata)
+static STACK_OF(tracedata) *trace_data_stack;
+
+static void tracedata_free(tracedata *data)
+{
+ BIO_free_all(data->bio);
+ OPENSSL_free(data);
+}
+
+static STACK_OF(tracedata) *trace_data_stack;
+
+static void cleanup_trace(void)
+{
+ sk_tracedata_pop_free(trace_data_stack, tracedata_free);
+}
+
+static void setup_trace_category(int category)
+{
+ BIO *channel;
+ tracedata *trace_data;
+
+ if (OSSL_trace_enabled(category))
+ return;
+
+ channel = BIO_push(BIO_new(BIO_f_prefix()), dup_bio_err(FORMAT_TEXT));
+ trace_data = OPENSSL_zalloc(sizeof(*trace_data));
+
+ if (trace_data == NULL
+ || (trace_data->bio = channel) == NULL
+ || OSSL_trace_set_callback(category, internal_trace_cb,
+ trace_data) == 0
+ || sk_tracedata_push(trace_data_stack, trace_data) == 0) {
+
+ fprintf(stderr,
+ "warning: unable to setup trace callback for category '%s'.\n",
+ OSSL_trace_get_category_name(category));
+
+ OSSL_trace_set_callback(category, NULL, NULL);
+ BIO_free_all(channel);
+ }
+}
+
+static void setup_trace(const char *str)
+{
+ char *val;
+
+ /*
+ * We add this handler as early as possible to ensure it's executed
+ * as late as possible, i.e. after the TRACE code has done its cleanup
+ * (which happens last in OPENSSL_cleanup).
+ */
+ atexit(cleanup_trace);
+
+ trace_data_stack = sk_tracedata_new_null();
+ val = OPENSSL_strdup(str);
+
+ if (val != NULL) {
+ char *valp = val;
+ char *item;
+
+ for (valp = val; (item = strtok(valp, ",")) != NULL; valp = NULL) {
+ int category = OSSL_trace_get_category_num(item);
+
+ if (category == OSSL_TRACE_CATEGORY_ALL) {
+ while (++category < OSSL_TRACE_CATEGORY_NUM)
+ setup_trace_category(category);
+ break;
+ } else if (category > 0) {
+ setup_trace_category(category);
+ } else {
+ fprintf(stderr,
+ "warning: unknown trace category: '%s'.\n", item);
+ }
+ }
+ }
+
+ OPENSSL_free(val);
+}
+#endif /* OPENSSL_NO_TRACE */
+
int main(int argc, char *argv[])
{
FUNCTION f, *fp;
LHASH_OF(FUNCTION) *prog = NULL;
- char **copied_argv = NULL;
char *p, *pname;
char buf[1024];
const char *prompt;
bio_err = dup_bio_err(FORMAT_TEXT);
#if defined(OPENSSL_SYS_VMS) && defined(__DECC)
- copied_argv = argv = copy_argv(&argc, argv);
+ argv = copy_argv(&argc, argv);
#elif defined(_WIN32)
/*
* Replace argv[] with UTF-8 encoded strings.
win32_utf8argv(&argc, &argv);
#endif
- p = getenv("OPENSSL_DEBUG_MEMORY");
- if (p != NULL && strcmp(p, "on") == 0)
- CRYPTO_set_mem_debug(1);
- CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
+#ifndef OPENSSL_NO_TRACE
+ setup_trace(getenv("OPENSSL_TRACE"));
+#endif
if (getenv("OPENSSL_FIPS")) {
-#ifdef OPENSSL_FIPS
- if (!FIPS_mode_set(1)) {
- ERR_print_errors(bio_err);
- return 1;
- }
-#else
BIO_printf(bio_err, "FIPS mode not supported.\n");
return 1;
-#endif
}
- if (!apps_startup())
+ if (!apps_startup()) {
+ BIO_printf(bio_err,
+ "FATAL: Startup failure (dev note: apps_startup() failed)\n");
+ ERR_print_errors(bio_err);
+ ret = 1;
goto end;
+ }
prog = prog_init();
+ if (prog == NULL) {
+ BIO_printf(bio_err,
+ "FATAL: Startup failure (dev note: prog_init() failed)\n");
+ ERR_print_errors(bio_err);
+ ret = 1;
+ goto end;
+ }
pname = opt_progname(argv[0]);
/* first check the program name */
fp = lh_FUNCTION_retrieve(prog, &f);
if (fp != NULL) {
argv[0] = pname;
+ if (fp->deprecated_alternative != NULL)
+ warn_deprecated(fp);
ret = fp->func(argc, argv);
goto end;
}
for (;;) {
ret = 0;
/* Read a line, continue reading if line ends with \ */
- for (p = buf, n = sizeof buf, i = 0, first = 1; n > 0; first = 0) {
+ for (p = buf, n = sizeof(buf), i = 0, first = 1; n > 0; first = 0) {
prompt = first ? "OpenSSL> " : "> ";
p[0] = '\0';
#ifndef READLINE
}
ret = 1;
end:
- OPENSSL_free(copied_argv);
+ app_providers_cleanup();
OPENSSL_free(default_config_file);
- NCONF_free(config);
- config = NULL;
lh_FUNCTION_free(prog);
OPENSSL_free(arg.argv);
+ app_RAND_write();
BIO_free(bio_in);
BIO_free_all(bio_out);
apps_shutdown();
-#ifndef OPENSSL_NO_CRYPTO_MDEBUG
- if (CRYPTO_mem_leaks(bio_err) <= 0)
- ret = 1;
-#endif
BIO_free(bio_err);
EXIT(ret);
}
-const OPTIONS exit_options[] = {
- {NULL}
-};
-
-static void list_cipher_fn(const EVP_CIPHER *c,
- const char *from, const char *to, void *arg)
-{
- if (c)
- BIO_printf(arg, "%s\n", EVP_CIPHER_name(c));
- else {
- if (!from)
- from = "<undefined>";
- if (!to)
- to = "<undefined>";
- BIO_printf(arg, "%s => %s\n", from, to);
- }
-}
-
-static void list_md_fn(const EVP_MD *m,
- const char *from, const char *to, void *arg)
-{
- if (m)
- BIO_printf(arg, "%s\n", EVP_MD_name(m));
- else {
- if (!from)
- from = "<undefined>";
- if (!to)
- to = "<undefined>";
- BIO_printf((BIO *)arg, "%s => %s\n", from, to);
- }
-}
-
-static void list_missing_help(void)
-{
- const FUNCTION *fp;
- const OPTIONS *o;
-
- for (fp = functions; fp->name != NULL; fp++) {
- if ((o = fp->help) == NULL) {
- BIO_printf(bio_out, "%s *\n", fp->name);
- continue;
- }
- for ( ; o->name != NULL; o++) {
- if (o->helpstr == NULL)
- BIO_printf(bio_out, "%s %s\n", fp->name, o->name);
- }
- }
-}
-
-
-/* Unified enum for help and list commands. */
-typedef enum HELPLIST_CHOICE {
- OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
- OPT_COMMANDS, OPT_DIGEST_COMMANDS,
- OPT_DIGEST_ALGORITHMS, OPT_CIPHER_COMMANDS, OPT_CIPHER_ALGORITHMS,
- OPT_PK_ALGORITHMS, OPT_DISABLED, OPT_MISSING_HELP
-} HELPLIST_CHOICE;
-
-const OPTIONS list_options[] = {
- {"help", OPT_HELP, '-', "Display this summary"},
- {"commands", OPT_COMMANDS, '-', "List of standard commands"},
- {"digest-commands", OPT_DIGEST_COMMANDS, '-',
- "List of message digest commands"},
- {"digest-algorithms", OPT_DIGEST_ALGORITHMS, '-',
- "List of message digest algorithms"},
- {"cipher-commands", OPT_CIPHER_COMMANDS, '-', "List of cipher commands"},
- {"cipher-algorithms", OPT_CIPHER_ALGORITHMS, '-',
- "List of cipher algorithms"},
- {"public-key-algorithms", OPT_PK_ALGORITHMS, '-',
- "List of public key algorithms"},
- {"disabled", OPT_DISABLED, '-',
- "List of disabled features"},
- {"missing-help", OPT_MISSING_HELP, '-',
- "List missing detailed help strings"},
- {NULL}
-};
-
-int list_main(int argc, char **argv)
-{
- char *prog;
- HELPLIST_CHOICE o;
- int done = 0;
-
- prog = opt_init(argc, argv, list_options);
- while ((o = opt_next()) != OPT_EOF) {
- switch (o) {
- case OPT_EOF: /* Never hit, but suppresses warning */
- case OPT_ERR:
- BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
- return 1;
- case OPT_HELP:
- opt_help(list_options);
- break;
- case OPT_COMMANDS:
- list_type(FT_general);
- break;
- case OPT_DIGEST_COMMANDS:
- list_type(FT_md);
- break;
- case OPT_DIGEST_ALGORITHMS:
- EVP_MD_do_all_sorted(list_md_fn, bio_out);
- break;
- case OPT_CIPHER_COMMANDS:
- list_type(FT_cipher);
- break;
- case OPT_CIPHER_ALGORITHMS:
- EVP_CIPHER_do_all_sorted(list_cipher_fn, bio_out);
- break;
- case OPT_PK_ALGORITHMS:
- list_pkey();
- break;
- case OPT_DISABLED:
- list_disabled();
- break;
- case OPT_MISSING_HELP:
- list_missing_help();
- break;
- }
- done = 1;
- }
-
- if (!done) {
- BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
- return 1;
- }
-
- return 0;
-}
-
typedef enum HELP_CHOICE {
OPT_hERR = -1, OPT_hEOF = 0, OPT_hHELP
} HELP_CHOICE;
const OPTIONS help_options[] = {
+ {OPT_HELP_STR, 1, '-', "Usage: help [options] [command]\n"},
+
+ OPT_SECTION("General"),
{"help", OPT_hHELP, '-', "Display this summary"},
+
+ OPT_PARAMETERS(),
+ {"command", 0, 0, "Name of command to display help (optional)"},
{NULL}
};
FUNC_TYPE tp;
char *prog;
HELP_CHOICE o;
+ DISPLAY_COLUMNS dc;
prog = opt_init(argc, argv, help_options);
while ((o = opt_next()) != OPT_hEOF) {
}
}
+ if (opt_num_rest() == 1) {
+ char *new_argv[3];
+
+ new_argv[0] = opt_rest()[0];
+ new_argv[1] = "--help";
+ new_argv[2] = NULL;
+ return do_cmd(prog_init(), 2, new_argv);
+ }
if (opt_num_rest() != 0) {
BIO_printf(bio_err, "Usage: %s\n", prog);
return 1;
}
- BIO_printf(bio_err, "\nStandard commands");
+ calculate_columns(functions, &dc);
+ BIO_printf(bio_err, "Standard commands");
i = 0;
tp = FT_none;
for (fp = functions; fp->name != NULL; fp++) {
nl = 0;
- if (((i++) % COLUMNS) == 0) {
+ if (i++ % dc.columns == 0) {
BIO_printf(bio_err, "\n");
nl = 1;
}
"\nCipher commands (see the `enc' command for more details)\n");
}
}
- BIO_printf(bio_err, FORMAT, fp->name);
+ BIO_printf(bio_err, "%-*s", dc.width, fp->name);
}
BIO_printf(bio_err, "\n\n");
return 0;
}
-int exit_main(int argc, char **argv)
-{
- return EXIT_THE_PROGRAM;
-}
-
-static void list_type(FUNC_TYPE ft)
-{
- FUNCTION *fp;
- int i = 0;
-
- for (fp = functions; fp->name != NULL; fp++)
- if (fp->type == ft) {
- if ((i++ % COLUMNS) == 0)
- BIO_printf(bio_out, "\n");
- BIO_printf(bio_out, FORMAT, fp->name);
- }
- BIO_printf(bio_out, "\n");
-}
-
static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[])
{
FUNCTION f, *fp;
if (argc <= 0 || argv[0] == NULL)
- return (0);
+ return 0;
f.name = argv[0];
fp = lh_FUNCTION_retrieve(prog, &f);
if (fp == NULL) {
}
}
if (fp != NULL) {
- return (fp->func(argc, argv));
+ if (fp->deprecated_alternative != NULL)
+ warn_deprecated(fp);
+ return fp->func(argc, argv);
}
if ((strncmp(argv[0], "no-", 3)) == 0) {
/*
f.name = argv[0] + 3;
if (lh_FUNCTION_retrieve(prog, &f) == NULL) {
BIO_printf(bio_out, "%s\n", argv[0]);
- return (0);
+ return 0;
}
BIO_printf(bio_out, "%s\n", argv[0] + 3);
return 1;
BIO_printf(bio_err, "Invalid command '%s'; type \"help\" for a list.\n",
argv[0]);
- return (1);
-}
-
-static void list_pkey(void)
-{
- int i;
-
- for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
- const EVP_PKEY_ASN1_METHOD *ameth;
- int pkey_id, pkey_base_id, pkey_flags;
- const char *pinfo, *pem_str;
- ameth = EVP_PKEY_asn1_get0(i);
- EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags,
- &pinfo, &pem_str, ameth);
- if (pkey_flags & ASN1_PKEY_ALIAS) {
- BIO_printf(bio_out, "Name: %s\n", OBJ_nid2ln(pkey_id));
- BIO_printf(bio_out, "\tAlias for: %s\n",
- OBJ_nid2ln(pkey_base_id));
- } else {
- BIO_printf(bio_out, "Name: %s\n", pinfo);
- BIO_printf(bio_out, "\tType: %s Algorithm\n",
- pkey_flags & ASN1_PKEY_DYNAMIC ?
- "External" : "Builtin");
- BIO_printf(bio_out, "\tOID: %s\n", OBJ_nid2ln(pkey_id));
- if (pem_str == NULL)
- pem_str = "(none)";
- BIO_printf(bio_out, "\tPEM string: %s\n", pem_str);
- }
-
- }
+ return 1;
}
static int function_cmp(const FUNCTION * a, const FUNCTION * b)
return strcmp(f1->name, f2->name);
}
-static void list_disabled(void)
-{
- BIO_puts(bio_out, "Disabled algorithms:\n");
-#ifdef OPENSSL_NO_BF
- BIO_puts(bio_out, "BF\n");
-#endif
-#ifndef OPENSSL_NO_BLAKE2
- BIO_puts(bio_out, "BLAKE2\n");
-#endif
-#ifdef OPENSSL_NO_CAMELLIA
- BIO_puts(bio_out, "CAMELLIA\n");
-#endif
-#ifdef OPENSSL_NO_CAST
- BIO_puts(bio_out, "CAST\n");
-#endif
-#ifdef OPENSSL_NO_CMAC
- BIO_puts(bio_out, "CMAC\n");
-#endif
-#ifdef OPENSSL_NO_CMS
- BIO_puts(bio_out, "CMS\n");
-#endif
-#ifdef OPENSSL_NO_COMP
- BIO_puts(bio_out, "COMP\n");
-#endif
-#ifdef OPENSSL_NO_DES
- BIO_puts(bio_out, "DES\n");
-#endif
-#ifdef OPENSSL_NO_DGRAM
- BIO_puts(bio_out, "DGRAM\n");
-#endif
-#ifdef OPENSSL_NO_DH
- BIO_puts(bio_out, "DH\n");
-#endif
-#ifdef OPENSSL_NO_DSA
- BIO_puts(bio_out, "DSA\n");
-#endif
-#if defined(OPENSSL_NO_DTLS)
- BIO_puts(bio_out, "DTLS\n");
-#endif
-#if defined(OPENSSL_NO_DTLS1)
- BIO_puts(bio_out, "DTLS1\n");
-#endif
-#if defined(OPENSSL_NO_DTLS1_2)
- BIO_puts(bio_out, "DTLS1_2\n");
-#endif
-#ifdef OPENSSL_NO_EC
- BIO_puts(bio_out, "EC\n");
-#endif
-#ifdef OPENSSL_NO_EC2M
- BIO_puts(bio_out, "EC2M\n");
-#endif
-#ifdef OPENSSL_NO_ENGINE
- BIO_puts(bio_out, "ENGINE\n");
-#endif
-#ifdef OPENSSL_NO_GOST
- BIO_puts(bio_out, "GOST\n");
-#endif
-#ifdef OPENSSL_NO_IDEA
- BIO_puts(bio_out, "IDEA\n");
-#endif
-#ifdef OPENSSL_NO_MD2
- BIO_puts(bio_out, "MD2\n");
-#endif
-#ifdef OPENSSL_NO_MD4
- BIO_puts(bio_out, "MD4\n");
-#endif
-#ifdef OPENSSL_NO_MD5
- BIO_puts(bio_out, "MD5\n");
-#endif
-#ifdef OPENSSL_NO_MDC2
- BIO_puts(bio_out, "MDC2\n");
-#endif
-#ifdef OPENSSL_NO_OCB
- BIO_puts(bio_out, "OCB\n");
-#endif
-#ifdef OPENSSL_NO_OCSP
- BIO_puts(bio_out, "OCSP\n");
-#endif
-#ifdef OPENSSL_NO_PSK
- BIO_puts(bio_out, "PSK\n");
-#endif
-#ifdef OPENSSL_NO_RC2
- BIO_puts(bio_out, "RC2\n");
-#endif
-#ifdef OPENSSL_NO_RC4
- BIO_puts(bio_out, "RC4\n");
-#endif
-#ifdef OPENSSL_NO_RC5
- BIO_puts(bio_out, "RC5\n");
-#endif
-#ifdef OPENSSL_NO_RMD160
- BIO_puts(bio_out, "RMD160\n");
-#endif
-#ifdef OPENSSL_NO_RSA
- BIO_puts(bio_out, "RSA\n");
-#endif
-#ifdef OPENSSL_NO_SCRYPT
- BIO_puts(bio_out, "SCRYPT\n");
-#endif
-#ifdef OPENSSL_NO_SCTP
- BIO_puts(bio_out, "SCTP\n");
-#endif
-#ifdef OPENSSL_NO_SEED
- BIO_puts(bio_out, "SEED\n");
-#endif
-#ifdef OPENSSL_NO_SOCK
- BIO_puts(bio_out, "SOCK\n");
-#endif
-#ifdef OPENSSL_NO_SRP
- BIO_puts(bio_out, "SRP\n");
-#endif
-#ifdef OPENSSL_NO_SRTP
- BIO_puts(bio_out, "SRTP\n");
-#endif
-#ifdef OPENSSL_NO_SSL3
- BIO_puts(bio_out, "SSL3\n");
-#endif
-#ifdef OPENSSL_NO_TLS1
- BIO_puts(bio_out, "TLS1\n");
-#endif
-#ifdef OPENSSL_NO_TLS1_1
- BIO_puts(bio_out, "TLS1_1\n");
-#endif
-#ifdef OPENSSL_NO_TLS1_2
- BIO_puts(bio_out, "TLS1_2\n");
-#endif
-#ifdef OPENSSL_NO_WHIRLPOOL
- BIO_puts(bio_out, "WHIRLPOOL\n");
-#endif
-#ifndef ZLIB
- BIO_puts(bio_out, "ZLIB\n");
-#endif
-}
-
static LHASH_OF(FUNCTION) *prog_init(void)
{
- LHASH_OF(FUNCTION) *ret;
+ static LHASH_OF(FUNCTION) *ret = NULL;
+ static int prog_inited = 0;
FUNCTION *f;
size_t i;
+ if (prog_inited)
+ return ret;
+
+ prog_inited = 1;
+
/* Sort alphabetically within category. For nicer help displays. */
- for (i = 0, f = functions; f->name != NULL; ++f, ++i) ;
+ for (i = 0, f = functions; f->name != NULL; ++f, ++i)
+ ;
qsort(functions, i, sizeof(*functions), SortFnByName);
if ((ret = lh_FUNCTION_new(function_hash, function_cmp)) == NULL)
- return (NULL);
+ return NULL;
for (f = functions; f->name != NULL; f++)
(void)lh_FUNCTION_insert(ret, f);
- return (ret);
+ return ret;
}