[svn] Big progress bar update.

[wget] / src / utils.c

diff --git a/src/utils.c b/src/utils.c
index aa76662d47b3bb1cecb6404a118ec3203e42bf5a..fca15800248351052a573cb2582eb8eb466a91a1 100644 (file)
--- a/src/utils.c
+++ b/src/utils.c
@@ -50,6 +50,9 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #endif
 #include <fcntl.h>
 #include <assert.h>
+#ifdef HAVE_SYS_IOCTL_H
+# include <sys/ioctl.h>
+#endif
 
 #include "wget.h"
 #include "utils.h"
@@ -404,30 +407,6 @@ datetime_str (time_t *tm)
           ptm->tm_hour, ptm->tm_min, ptm->tm_sec);
   return output;
 }
-
-/* Returns an error message for ERRNUM.  #### This requires more work.
-   This function, as well as the whole error system, is very
-   ill-conceived.  */
-const char *
-uerrmsg (uerr_t errnum)
-{
-  switch (errnum)
-    {
-    case URLUNKNOWN:
-      return _("Unknown/unsupported protocol");
-      break;
-    case URLBADPORT:
-      return _("Invalid port specification");
-      break;
-    case URLBADHOST:
-      return _("Invalid host name");
-      break;
-    default:
-      abort ();
-      /* $@#@#$ compiler.  */
-      return NULL;
-    }
-}
 \f
 /* The Windows versions of the following two functions are defined in
    mswindows.c.  */
@@ -464,6 +443,14 @@ fork_to_background (void)
 }
 #endif /* not WINDOWS */
 \f
+char *
+ps (char *orig)
+{
+  char *r = xstrdup (orig);
+  path_simplify (r);
+  return r;
+}
+
 /* Canonicalize PATH, and return a new path.  The new path differs from PATH
    in that:
        Multple `/'s are collapsed to a single `/'.
@@ -479,7 +466,8 @@ fork_to_background (void)
        Always use '/' as stub_char.
        Don't check for local things using canon_stat.
        Change the original string instead of strdup-ing.
-       React correctly when beginning with `./' and `../'.  */
+       React correctly when beginning with `./' and `../'.
+       Don't zip out trailing slashes.  */
 void
 path_simplify (char *path)
 {
@@ -545,20 +533,15 @@ path_simplify (char *path)
          i = start + 1;
        }
 
-      /* Check for trailing `/'.  */
-      if (start && !path[i])
-       {
-       zero_last:
-         path[--i] = '\0';
-         break;
-       }
-
       /* Check for `../', `./' or trailing `.' by itself.  */
       if (path[i] == '.')
        {
          /* Handle trailing `.' by itself.  */
          if (!path[i + 1])
-           goto zero_last;
+           {
+             path[--i] = '\0';
+             break;
+           }
 
          /* Handle `./'.  */
          if (path[i + 1] == '/')
@@ -579,12 +562,6 @@ path_simplify (char *path)
            }
        }       /* path == '.' */
     } /* while */
-
-  if (!*path)
-    {
-      *path = stub_char;
-      path[1] = '\0';
-    }
 }
 \f
 /* "Touch" FILE, i.e. make its atime and mtime equal to the time
@@ -728,6 +705,30 @@ make_directory (const char *directory)
     }
   return 0;
 }
+
+/* Merge BASE with FILE.  BASE can be a directory or a file name, FILE
+   should be a file name.  For example, file_merge("/foo/bar", "baz")
+   will return "/foo/baz".  file_merge("/foo/bar/", "baz") will return
+   "foo/bar/baz".
+
+   In other words, it's a simpler and gentler version of uri_merge_1.  */
+
+char *
+file_merge (const char *base, const char *file)
+{
+  char *result;
+  const char *cut = (const char *)strrchr (base, '/');
+
+  if (!cut)
+    cut = base + strlen (base);
+
+  result = (char *)xmalloc (cut - base + 1 + strlen (file) + 1);
+  memcpy (result, base, cut - base);
+  result[cut - base] = '/';
+  strcpy (result + (cut - base) + 1, file);
+
+  return result;
+}
 \f
 static int in_acclist PARAMS ((const char *const *, const char *, int));
 
@@ -1706,3 +1707,28 @@ html_quote_string (const char *s)
   *p = '\0';
   return res;
 }
+
+/* Determine the width of the terminal we're running on.  If that's
+   not possible, return 0.  */
+
+int
+determine_screen_width (void)
+{
+  /* If there's a way to get the terminal size using POSIX
+     tcgetattr(), somebody please tell me.  */
+#ifndef TIOCGWINSZ
+  return 0;
+#else  /* TIOCGWINSZ */
+  int fd;
+  struct winsize wsz;
+
+  if (opt.lfilename != NULL)
+    return 0;
+
+  fd = fileno (stderr);
+  if (ioctl (fd, TIOCGWINSZ, &wsz) < 0)
+    return 0;                  /* most likely ENOTTY */
+
+  return wsz.ws_col;
+#endif /* TIOCGWINSZ */
+}