Move lib/xerror.c to gettext-tools/lib/xerror.c.

1 files changed, 118 insertions, 0 deletions

diff --git a/gettext-tools/lib/xerror.c b/gettext-tools/lib/xerror.c
new file mode 100644
index 0000000..b07a6d6
--- /dev/null
+++ b/gettext-tools/lib/xerror.c
@@ -0,0 +1,118 @@
+/* Multiline error-reporting functions.
+   Copyright (C) 2001-2002 Free Software Foundation, Inc.
+   Written by Bruno Haible <haible@clisp.cons.org>, 2001.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+/* Specification.  */
+#include "xerror.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+
+#include "error.h"
+#include "progname.h"
+#include "exit.h"
+#include "mbswidth.h"
+#include "vasprintf.h"
+#include "gettext.h"
+
+#define _(str) gettext (str)
+
+/* Format a message and return the freshly allocated resulting string.  */
+char *
+xasprintf (const char *format, ...)
+{
+  va_list args;
+  char *result;
+
+  va_start (args, format);
+  if (vasprintf (&result, format, args) < 0)
+    error (EXIT_FAILURE, 0, _("memory exhausted"));
+  va_end (args);
+  return result;
+}
+
+/* Emit a multiline warning to stderr, consisting of MESSAGE, with the
+   first line prefixed with PREFIX and the remaining lines prefixed with
+   the same amount of spaces.  Reuse the spaces of the previous call if
+   PREFIX is NULL.  Free the PREFIX and MESSAGE when done.  */
+void
+multiline_warning (char *prefix, char *message)
+{
+  static int width;
+  const char *cp;
+  int i;
+
+  fflush (stdout);
+
+  cp = message;
+
+  if (prefix != NULL)
+    {
+      width = 0;
+      if (error_with_progname)
+	{
+	  fprintf (stderr, "%s: ", program_name);
+	  width += mbswidth (program_name, 0) + 2;
+	}
+      fputs (prefix, stderr);
+      width += mbswidth (prefix, 0);
+      free (prefix);
+      goto after_indent;
+    }
+
+  for (;;)
+    {
+      const char *np;
+
+      for (i = width; i > 0; i--)
+	putc (' ', stderr);
+
+    after_indent:
+      np = strchr (cp, '\n');
+
+      if (np == NULL || np[1] == '\0')
+	{
+	  fputs (cp, stderr);
+	  break;
+	}
+
+      np++;
+      fwrite (cp, 1, np - cp, stderr);
+      cp = np;
+    }
+
+  free (message);
+}
+
+/* Emit a multiline error to stderr, consisting of MESSAGE, with the
+   first line prefixed with PREFIX and the remaining lines prefixed with
+   the same amount of spaces.  Reuse the spaces of the previous call if
+   PREFIX is NULL.  Free the PREFIX and MESSAGE when done.  */
+void
+multiline_error (char *prefix, char *message)
+{
+  if (prefix != NULL)
+    ++error_message_count;
+  multiline_warning (prefix, message);
+}