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-rw-r--r--src/testgdbm.c107
1 files changed, 89 insertions, 18 deletions
diff --git a/src/testgdbm.c b/src/testgdbm.c
index 2ac3826..155c69e 100644
--- a/src/testgdbm.c
+++ b/src/testgdbm.c
@@ -1,6 +1,3 @@
-/* testgdbm.c - Driver program to test the database routines and to
- help debug gdbm. Uses inside information to show "system" information */
-
/* This file is part of GDBM, the GNU data base manager.
Copyright (C) 1990, 1991, 1993, 2007, 2011, 2013 Free Software Foundation,
Inc.
@@ -39,7 +36,8 @@
const char *progname; /* Program name */
-char *prompt = "testgdbm> ";
+#define DEFAULT_PROMPT "gdbmtool> "
+char *prompt;
char *file_name = NULL; /* Database file name */
GDBM_FILE gdbm_file = NULL; /* Database to operate upon */
@@ -48,6 +46,7 @@ datum key_data; /* Current key */
datum return_data; /* Current data */
int key_z = 1; /* Keys are nul-terminated strings */
int data_z = 1; /* Data are nul-terminated strings */
+int quiet_option = 0; /* Omit usual welcome banner at startup */
#define SIZE_T_MAX ((size_t)-1)
@@ -800,7 +799,77 @@ data_z_handler (struct handler_param *param)
data_z = !data_z;
fprintf (param->fp, _("Zero terminated data: %s\n"), boolstr (data_z));
}
+
+struct prompt_exp;
+
+void
+pe_file_name (struct prompt_exp *p)
+{
+ fwrite (file_name, strlen (file_name), 1, stdout);
+}
+
+struct prompt_exp
+{
+ int ch;
+ void (*fun) (struct prompt_exp *);
+ char *cache;
+};
+
+struct prompt_exp prompt_exp[] = {
+ { 'f', pe_file_name },
+ { 0 }
+};
+static void
+expand_char (int c)
+{
+ struct prompt_exp *p;
+
+ if (c && c != '%')
+ {
+ for (p = prompt_exp; p->ch; p++)
+ {
+ if (c == p->ch)
+ {
+ if (p->cache)
+ free (p->cache);
+ return p->fun (p);
+ }
+ }
+ }
+ putchar ('%');
+ putchar (c);
+}
+
+void
+outprompt ()
+{
+ char *s;
+
+ for (s = prompt; *s; s++)
+ {
+ if (*s == '%')
+ {
+ if (!*++s)
+ {
+ putchar ('%');
+ break;
+ }
+ expand_char (*s);
+ }
+ else
+ putchar (*s);
+ }
+
+ fflush (stdout);
+}
+
+void
+prompt_handler (struct handler_param *param)
+{
+ free (prompt);
+ prompt = estrdup (param->argv[0]);
+}
void help_handler (struct handler_param *param);
int help_begin (struct handler_param *param, size_t *exp_count);
@@ -891,6 +960,9 @@ struct command command_tab[] = {
{ S(help), '?',
help_begin, help_handler, NULL,
{ NULL, NULL, }, N_("print this help list") },
+ { S(prompt), 0,
+ NULL, prompt_handler, NULL,
+ { N_("text") }, N_("set command prompt") },
{ S(quit), 'q',
NULL, quit_handler, NULL,
{ NULL, NULL, }, N_("quit the program") },
@@ -1021,23 +1093,19 @@ getword (char *s, char **endp)
return p;
}
-/* The test program allows one to call all the routines plus the hash function.
- The commands are single letter commands. The user is prompted for missing
- pieces of information. See the help command (?) for a list of all
- commands. */
-
-char *parseopt_program_doc = "Test and modify a GDBM database";
-char *parseopt_program_args = N_("FILE");
+char *parseopt_program_doc = N_("examine and/or modify a GDBM database");
+char *parseopt_program_args = N_("DBFILE");
struct gdbm_option optab[] = {
{ 'b', "block-size", N_("SIZE"), N_("set block size") },
{ 'c', "cache-size", N_("SIZE"), N_("set cache size") },
{ 'g', NULL, "FILE", NULL, PARSEOPT_HIDDEN },
{ 'l', "no-lock", NULL, N_("disable file locking") },
- { 'm', "no-mmap", NULL, N_("disable file mmap") },
+ { 'm', "no-mmap", NULL, N_("do not use mmap") },
{ 'n', "newdb", NULL, N_("create database") },
{ 'r', "read-only", NULL, N_("open database in read-only mode") },
{ 's', "synchronize", NULL, N_("synchronize to disk after each write") },
+ { 'q', "quiet", NULL, N_("don't print initial banner") },
{ 0 }
};
@@ -1116,6 +1184,10 @@ main (int argc, char *argv[])
file_name = optarg;
break;
+ case 'q':
+ quiet_option = 1;
+ break;
+
default:
terror (EXIT_USAGE,
_("unknown option; try `%s -h' for more info\n"), progname);
@@ -1159,9 +1231,11 @@ main (int argc, char *argv[])
signal (SIGPIPE, SIG_IGN);
/* Welcome message. */
+ if (interactive && !quiet_option)
+ printf (_("\nWelcome to the gdbm tool. Type ? for help.\n\n"));
if (interactive)
- printf (_("\nWelcome to the gdbm test program. Type ? for help.\n\n"));
-
+ prompt = estrdup (DEFAULT_PROMPT);
+
memset (&param, 0, sizeof (param));
argmax = 0;
@@ -1181,10 +1255,7 @@ main (int argc, char *argv[])
input_line++;
if (interactive)
- {
- printf ("%s", prompt);
- fflush (stdout);
- }
+ outprompt ();
if (fgets (cmdbuf, sizeof cmdbuf, stdin) == NULL)
{

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