1 files changed, 110 insertions, 0 deletions
diff --git a/gnu/libexec/uucp/libuuconf/ugtlin.c b/gnu/libexec/uucp/libuuconf/ugtlin.c
new file mode 100644
index 000000000000..79fbec8a97eb
--- /dev/null
+++ b/gnu/libexec/uucp/libuuconf/ugtlin.c
@@ -0,0 +1,110 @@
+/* ugtlin.c
+   Read a line with backslash continuations.
+
+   Copyright (C) 1992 Ian Lance Taylor
+
+   This file is part of the Taylor UUCP uuconf library.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License
+   as published by the Free Software Foundation; either version 2 of
+   the License, or (at your option) any later version.
+
+   This library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+   The author of the program may be contacted at ian@airs.com or
+   c/o Infinity Development Systems, P.O. Box 520, Waltham, MA 02254.
+   */
+
+#include "uucnfi.h"
+
+#if USE_RCS_ID
+const char _uuconf_ugtlin_rcsid[] = "$Id: ugtlin.c,v 1.1 1993/08/05 18:26:17 conklin Exp $";
+#endif
+
+/* Read a line from a file with backslash continuations.  This updates
+   the qglobal->ilineno count for each additional line it reads.  */
+
+int
+_uuconf_getline (qglobal, pzline, pcline, e)
+     struct sglobal *qglobal;
+     char **pzline;
+     size_t *pcline;
+     FILE *e;
+{
+  int ctot;
+  char *zline;
+  size_t cline;
+
+  ctot = -1;
+
+  zline = NULL;
+  cline = 0;
+
+  while (TRUE)
+    {
+      int cchars;
+
+      if (ctot < 0)
+	cchars = getline (pzline, pcline, e);
+      else
+	cchars = getline (&zline, &cline, e);
+      if (cchars < 0)
+	{
+	  if (zline != NULL)
+	    free ((pointer) zline);
+	  if (ctot >= 0)
+	    return ctot;
+	  else
+	    return cchars;
+	}
+
+      if (ctot < 0)
+	ctot = cchars;
+      else
+	{
+	  if (*pcline <= ctot + cchars)
+	    {
+	      char *znew;
+
+	      if (*pcline > 0)
+		znew = (char *) realloc ((pointer) *pzline,
+					 (size_t) (ctot + cchars + 1));
+	      else
+		znew = (char *) malloc ((size_t) (ctot + cchars + 1));
+	      if (znew == NULL)
+		{
+		  free ((pointer) zline);
+		  return -1;
+		}
+	      *pzline = znew;
+	      *pcline = ctot + cchars + 1;
+	    }
+
+	  memcpy ((pointer) ((*pzline) + ctot), (pointer) zline,
+		  (size_t) (cchars + 1));
+	  ctot += cchars;
+	}
+
+      if (ctot < 2
+	  || (*pzline)[ctot - 1] != '\n'
+	  || (*pzline)[ctot - 2] != '\\')
+	{
+	  if (zline != NULL)
+	    free ((pointer) zline);
+	  return ctot;
+	}
+
+      ++qglobal->ilineno;
+
+      ctot -= 2;
+      (*pzline)[ctot] = '\0';
+    }
+}