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Fix issue when field value being encoded is out of range

This commit is contained in:
Shahram Najm 2016-11-17 18:25:26 +00:00
parent f5b22dfa50
commit 37e4d7ac29
1 changed files with 17 additions and 0 deletions
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17
src/grib_accessor_class_data_simple_packing.c
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@ -14,6 +14,7 @@
#include "grib_api_internal.h"
#include "grib_optimize_decimal_factor.h"
#include <float.h>
/*
This is used by make_class.pl
@ -468,6 +469,14 @@ static int producing_large_constant_fields(const grib_context* c, grib_handle* h
return 0;
}
static int check_range(const double val)
{
if (val < DBL_MAX && val > -DBL_MAX)
return GRIB_SUCCESS;
else
return GRIB_ENCODING_ERROR;
}
static int pack_double(grib_accessor* a, const double* val, size_t *len)
{
grib_accessor_data_simple_packing* self = (grib_accessor_data_simple_packing*)a;
@ -532,6 +541,14 @@ static int pack_double(grib_accessor* a, const double* val, size_t *len)
if (val[i] < min ) min = val[i];
}
#endif
if ((err = check_range(max)) != GRIB_SUCCESS) {
grib_context_log(a->context,GRIB_LOG_ERROR,"Maximum value out of range: %g", max);
return err;
}
if ((err = check_range(min)) != GRIB_SUCCESS) {
grib_context_log(a->context,GRIB_LOG_ERROR,"Minimum value out of range: %g", min);
return err;
}
/* constant field only reference_value is set and bits_per_value=0 */
if(max==min) {