* $PostgreSQL: pgsql/src/port/sprompt.c,v 1.18 2006/10/04 00:30:14 momjian Exp $
*
*-------------------------------------------------------------------------
- *
+ *
* PostgreSQL Database Management System
* (formerly known as Postgres, then as Postgres95)
*
char *
simple_prompt(const char *prompt, int maxlen, int echo)
{
- int length;
- char *destination;
- FILE *termin,
- *termout;
+ int length;
+ char *destination;
+ FILE *termin,
+ *termout;
#ifdef HAVE_TERMIOS_H
- struct termios t_orig,
- t;
+ struct termios t_orig,
+ t;
#else
#ifdef WIN32
- HANDLE t = NULL;
- LPDWORD t_orig = NULL;
+ HANDLE t = NULL;
+ LPDWORD t_orig = NULL;
#endif
#endif
- destination = (char *) malloc(maxlen + 1);
- if (!destination)
- return NULL;
-
- /*
- * Do not try to collapse these into one "w+" mode file. Doesn't work on
- * some platforms (eg, HPUX 10.20).
- */
- termin = fopen(DEVTTY, "r");
- termout = fopen(DEVTTY, "w");
- if (!termin || !termout
+ destination = (char *) malloc(maxlen + 1);
+ if (!destination)
+ return NULL;
+
+ /*
+ * Do not try to collapse these into one "w+" mode file. Doesn't work on
+ * some platforms (eg, HPUX 10.20).
+ */
+ termin = fopen(DEVTTY, "r");
+ termout = fopen(DEVTTY, "w");
+ if (!termin || !termout
#ifdef WIN32
- /* See DEVTTY comment for msys */
- || (getenv("OSTYPE") && strcmp(getenv("OSTYPE"), "msys") == 0)
+ /* See DEVTTY comment for msys */
+ || (getenv("OSTYPE") && strcmp(getenv("OSTYPE"), "msys") == 0)
#endif
- )
- {
- if (termin)
- fclose(termin);
- if (termout)
- fclose(termout);
- termin = stdin;
- termout = stderr;
- }
+ )
+{
+ if (termin)
+ fclose(termin);
+ if (termout)
+ fclose(termout);
+ termin = stdin;
+ termout = stderr;
+ }
#ifdef HAVE_TERMIOS_H
- if (!echo)
- {
- tcgetattr(fileno(termin), &t);
- t_orig = t;
- t.c_lflag &= ~ECHO;
- tcsetattr(fileno(termin), TCSAFLUSH, &t);
- }
+ if (!echo)
+ {
+ tcgetattr(fileno(termin), &t);
+ t_orig = t;
+ t.c_lflag &= ~ECHO;
+ tcsetattr(fileno(termin), TCSAFLUSH, &t);
+ }
#else
#ifdef WIN32
- if (!echo)
- {
- /* get a new handle to turn echo off */
- t_orig = (LPDWORD) malloc(sizeof(DWORD));
- t = GetStdHandle(STD_INPUT_HANDLE);
-
- /* save the old configuration first */
- GetConsoleMode(t, t_orig);
-
- /* set to the new mode */
- SetConsoleMode(t, ENABLE_LINE_INPUT | ENABLE_PROCESSED_INPUT);
- }
+ if (!echo)
+ {
+ /* get a new handle to turn echo off */
+ t_orig = (LPDWORD) malloc(sizeof(DWORD));
+ t = GetStdHandle(STD_INPUT_HANDLE);
+
+ /* save the old configuration first */
+ GetConsoleMode(t, t_orig);
+
+ /* set to the new mode */
+ SetConsoleMode(t, ENABLE_LINE_INPUT | ENABLE_PROCESSED_INPUT);
+ }
#endif
#endif
- if (prompt)
- {
- fputs(prompt, termout);
- fflush(termout);
- }
-
- if (fgets(destination, maxlen + 1, termin) == NULL)
- destination[0] = '\0';
-
- length = strlen(destination);
- if (length > 0 && destination[length - 1] != '\n')
- {
- /* eat rest of the line */
- char buf[128];
- int buflen;
-
- do
- {
- if (fgets(buf, sizeof(buf), termin) == NULL)
- break;
- buflen = strlen(buf);
- } while (buflen > 0 && buf[buflen - 1] != '\n');
- }
-
- if (length > 0 && destination[length - 1] == '\n')
- /* remove trailing newline */
- destination[length - 1] = '\0';
+ if (prompt)
+ {
+ fputs(prompt, termout);
+ fflush(termout);
+ }
+
+ if (fgets(destination, maxlen + 1, termin) == NULL)
+ destination[0] = '\0';
+
+ length = strlen(destination);
+ if (length > 0 && destination[length - 1] != '\n')
+ {
+ /* eat rest of the line */
+ char buf[128];
+ int buflen;
+
+ do
+ {
+ if (fgets(buf, sizeof(buf), termin) == NULL)
+ break;
+ buflen = strlen(buf);
+ }
+ while (buflen > 0 && buf[buflen - 1] != '\n');
+ }
+
+ if (length > 0 && destination[length - 1] == '\n')
+ /* remove trailing newline */
+ destination[length - 1] = '\0';
#ifdef HAVE_TERMIOS_H
- if (!echo)
- {
- tcsetattr(fileno(termin), TCSAFLUSH, &t_orig);
- fputs("\n", termout);
- fflush(termout);
- }
+ if (!echo)
+ {
+ tcsetattr(fileno(termin), TCSAFLUSH, &t_orig);
+ fputs("\n", termout);
+ fflush(termout);
+ }
#else
#ifdef WIN32
- if (!echo)
- {
- /* reset to the original console mode */
- SetConsoleMode(t, *t_orig);
- fputs("\n", termout);
- fflush(termout);
- free(t_orig);
- }
+ if (!echo)
+ {
+ /* reset to the original console mode */
+ SetConsoleMode(t, *t_orig);
+ fputs("\n", termout);
+ fflush(termout);
+ free(t_orig);
+ }
#endif
#endif
- if (termin != stdin)
- {
- fclose(termin);
- fclose(termout);
- }
+ if (termin != stdin)
+ {
+ fclose(termin);
+ fclose(termout);
+ }
- return destination;
+ return destination;
}