[GRASS-SVN] r73610 - grass/trunk/lib/gis

[svn_grass at osgeo.org]

Author: mmetz
Date: 2018-10-26 00:36:50 -0700 (Fri, 26 Oct 2018)
New Revision: 73610

Modified:
   grass/trunk/lib/gis/seek.c
Log:
libgis: report reason if unable to seek

Modified: grass/trunk/lib/gis/seek.c
===================================================================
--- grass/trunk/lib/gis/seek.c	2018-10-24 20:05:32 UTC (rev 73609)
+++ grass/trunk/lib/gis/seek.c	2018-10-26 07:36:50 UTC (rev 73610)
@@ -12,6 +12,8 @@
  */
 
 #include <stdio.h>
+#include <errno.h>
+#include <string.h>
 #include <sys/types.h>
 #include <grass/gis.h>
 #include <grass/glocale.h>
@@ -49,12 +51,12 @@
 {
 #ifdef HAVE_FSEEKO
     if (fseeko(fp, offset, whence) != 0)
-	G_fatal_error(_("Unable to seek"));
+	G_fatal_error(_("Unable to seek: %s"), strerror(errno));
 #else
     long loff = (long) offset;
     if ((off_t) loff != offset)
 	G_fatal_error(_("Seek offset out of range"));
     if (fseek(fp, loff, whence) != 0)
-	G_fatal_error(_("Unable to seek"));
+	G_fatal_error(_("Unable to seek: %s"), strerror(errno));
 #endif     
 }