add documentation for new reverse zoom 17

[nominatim.git] / nominatim / sprompt.c

diff --git a/nominatim/sprompt.c b/nominatim/sprompt.c
index f972366de37870759411f1a46e0413fc253414a8..7666be5ed6703077e5cc91efac2ca9b97cdf384f 100644 (file)
--- a/nominatim/sprompt.c
+++ b/nominatim/sprompt.c
@@ -11,7 +11,7 @@
  *       $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)
  *
@@ -76,124 +76,125 @@ extern char *simple_prompt(const char *prompt, int maxlen, int echo);
 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;
 }