http://www.sxw.org.uk/computing/patches/openssh-4.2p1-gsskex-20050926-2.patch

[gssapi-openssh.git] / openssh / progressmeter.c

diff --git a/openssh/progressmeter.c b/openssh/progressmeter.c
index f42668526c268852c587409b5b2abe2ada974e37..3cda090616f15fd22524ee668d5e57b6a23ccf00 100644 (file)
--- a/openssh/progressmeter.c
+++ b/openssh/progressmeter.c
@@ -23,7 +23,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: progressmeter.c,v 1.19 2004/02/05 15:33:33 markus Exp $");
+RCSID("$OpenBSD: progressmeter.c,v 1.24 2005/06/07 13:25:23 jaredy Exp $");
 
 #include "progressmeter.h"
 #include "atomicio.h"
@@ -42,21 +42,26 @@ static int can_output(void);
 static void format_size(char *, int, off_t);
 static void format_rate(char *, int, off_t);
 
+/* window resizing */
+static void sig_winch(int);
+static void setscreensize(void);
+
 /* updates the progressmeter to reflect the current state of the transfer */
 void refresh_progress_meter(void);
 
 /* signal handler for updating the progress meter */
 static void update_progress_meter(int);
 
-static time_t start;           /* start progress */
-static time_t last_update;     /* last progress update */
-static char *file;             /* name of the file being transferred */
-static off_t end_pos;          /* ending position of transfer */
-static off_t cur_pos;          /* transfer position as of last refresh */
+static time_t start;           /* start progress */
+static time_t last_update;     /* last progress update */
+static char *file;             /* name of the file being transferred */
+static off_t end_pos;          /* ending position of transfer */
+static off_t cur_pos;          /* transfer position as of last refresh */
 static volatile off_t *counter;        /* progress counter */
-static long stalled;           /* how long we have been stalled */
-static int bytes_per_second;   /* current speed in bytes per second */
-static int win_size;           /* terminal window size */
+static long stalled;           /* how long we have been stalled */
+static int bytes_per_second;   /* current speed in bytes per second */
+static int win_size;           /* terminal window size */
+static volatile sig_atomic_t win_resized; /* for window resizing */
 
 /* units for format_size */
 static const char unit[] = " KMGT";
@@ -147,6 +152,8 @@ refresh_progress_meter(void)
                len = snprintf(buf, file_len + 1, "\r%s", file);
                if (len < 0)
                        len = 0;
+               if (len >= file_len + 1)
+                       len = file_len;
                for (i = len;  i < file_len; i++ )
                        buf[i] = ' ';
                buf[file_len] = '\0';
@@ -167,7 +174,7 @@ refresh_progress_meter(void)
 
        /* bandwidth usage */
        format_rate(buf + strlen(buf), win_size - strlen(buf),
-           bytes_per_second);
+           (off_t)bytes_per_second);
        strlcat(buf, "/s ", win_size);
 
        /* ETA */
@@ -215,6 +222,10 @@ update_progress_meter(int ignore)
 
        save_errno = errno;
 
+       if (win_resized) {
+               setscreensize();
+               win_resized = 0;
+       }
        if (can_output())
                refresh_progress_meter();
 
@@ -224,32 +235,22 @@ update_progress_meter(int ignore)
 }
 
 void
-start_progress_meter(char *f, off_t filesize, off_t *stat)
+start_progress_meter(char *f, off_t filesize, off_t *ctr)
 {
-       struct winsize winsize;
-
        start = last_update = time(NULL);
        file = f;
        end_pos = filesize;
        cur_pos = 0;
-       counter = stat;
+       counter = ctr;
        stalled = 0;
        bytes_per_second = 0;
 
-       if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &winsize) != -1 &&
-           winsize.ws_col != 0) {
-               if (winsize.ws_col > MAX_WINSIZE)
-                       win_size = MAX_WINSIZE;
-               else
-                       win_size = winsize.ws_col;
-       } else
-               win_size = DEFAULT_WINSIZE;
-       win_size += 1;                                  /* trailing \0 */
-
+       setscreensize();
        if (can_output())
                refresh_progress_meter();
 
        signal(SIGALRM, update_progress_meter);
+       signal(SIGWINCH, sig_winch);
        alarm(UPDATE_INTERVAL);
 }
 
@@ -267,3 +268,25 @@ stop_progress_meter(void)
 
        atomicio(vwrite, STDOUT_FILENO, "\n", 1);
 }
+
+static void
+sig_winch(int sig)
+{
+       win_resized = 1;
+}
+
+static void
+setscreensize(void)
+{
+       struct winsize winsize;
+
+       if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &winsize) != -1 &&
+           winsize.ws_col != 0) {
+               if (winsize.ws_col > MAX_WINSIZE)
+                       win_size = MAX_WINSIZE;
+               else
+                       win_size = winsize.ws_col;
+       } else
+               win_size = DEFAULT_WINSIZE;
+       win_size += 1;                                  /* trailing \0 */
+}