AP_Terrain: fix snprintf buffer length warning

Also includes fix from Tridge to use MIN() instead of MAX()
2018-01-25 13:10:22 +11:00 · 2018-01-25 13:10:22 +11:00 · adde7bc588
commit adde7bc588
parent 8070c13963
1 changed files with 2 additions and 2 deletions
--- a/libraries/AP_Terrain/TerrainIO.cpp
+++ b/libraries/AP_Terrain/TerrainIO.cpp
@ -173,9 +173,9 @@ void AP_Terrain::open_file(void)
    }
    snprintf(p, 13, "/%c%02u%c%03u.DAT",
             block.lat_degrees<0?'S':'N',
-             abs((int32_t)block.lat_degrees),
+             MIN(abs((int32_t)block.lat_degrees), 99),
             block.lon_degrees<0?'W':'E',
-             abs((int32_t)block.lon_degrees));
+             MIN(abs((int32_t)block.lon_degrees), 999));

    // create directory if need be
    if (!directory_created) {