X-Git-Url: https://git.street.me.uk/andy/viking.git/blobdiff_plain/dad45413b94d2a55276b62f6e1ff889cb9e6f0d7..fffcc269ddb7ea0b688ffc2744f7b710453bcb04:/src/dem.c

diff --git a/src/dem.c b/src/dem.c
index 84c257e9..cf1cb02d 100644
--- a/src/dem.c
+++ b/src/dem.c
@@ -48,6 +48,11 @@
 #include "dem.h"
 #include "file.h"
 
+/* Compatibility */
+#if ! GLIB_CHECK_VERSION(2,22,0)
+#define g_mapped_file_unref g_mapped_file_free
+#endif
+
 #define DEM_BLOCK_SIZE 1024
 #define GET_COLUMN(dem,n) ((VikDEMColumn *)g_ptr_array_index( (dem)->columns, (n) ))
 
@@ -352,7 +357,7 @@ static VikDEM *vik_dem_read_srtm_hgt(const gchar *file_name, const gchar *basena
   dem->n_columns = 0;
 
   if ((mf = g_mapped_file_new(file_name, FALSE, &error)) == NULL) {
-    g_error(_("Couldn't map file %s: %s"), file_name, error->message);
+    g_critical(_("Couldn't map file %s: %s"), file_name, error->message);
     g_error_free(error);
     g_free(dem);
     return NULL;
@@ -365,7 +370,7 @@ static VikDEM *vik_dem_read_srtm_hgt(const gchar *file_name, const gchar *basena
     gulong ucsize;
 
     if ((unzip_mem = unzip_hgt_file(dem_file, &ucsize)) == NULL) {
-      g_mapped_file_free(mf);
+      g_mapped_file_unref(mf);
       g_ptr_array_free(dem->columns, TRUE);
       g_free(dem);
       return NULL;
@@ -374,6 +379,8 @@ static VikDEM *vik_dem_read_srtm_hgt(const gchar *file_name, const gchar *basena
     dem_mem = unzip_mem;
     file_size = ucsize;
   }
+  else
+    dem_mem = (gint16 *)dem_file;
 
   if (file_size == (num_rows_3sec * num_rows_3sec * sizeof(gint16)))
     arcsec = 3;
@@ -381,7 +388,7 @@ static VikDEM *vik_dem_read_srtm_hgt(const gchar *file_name, const gchar *basena
     arcsec = 1;
   else {
     g_warning("%s(): file %s does not have right size", __PRETTY_FUNCTION__, basename);
-    g_mapped_file_free(mf);
+    g_mapped_file_unref(mf);
     g_free(dem);
     return NULL;
   }
@@ -409,7 +416,7 @@ static VikDEM *vik_dem_read_srtm_hgt(const gchar *file_name, const gchar *basena
 
   if (zip)
     g_free(dem_mem);
-  g_mapped_file_free(mf);
+  g_mapped_file_unref(mf);
   return dem;
 }