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Documentation: Setting of P1 and P2 when timeRangeIndicator=10

This commit is contained in:
Shahram Najm 2020-02-26 14:53:58 +00:00
parent edc4841f01
commit 2759f71f4c
1 changed files with 9 additions and 2 deletions
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11
src/grib_accessor_class_g1step_range.c
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@ -331,8 +331,8 @@ static int unpack_string(grib_accessor* a, char* val, size_t* len)
long start = 0, theEnd = 0;
long timeRangeIndicator = 0;
long unit;
int err = 0;
char stepType[20] = {0,};
int err = 0;
char stepType[20] = {0,};
size_t stepTypeLen = 20;
grib_handle* hand = grib_handle_of_accessor(a);
@ -540,6 +540,9 @@ static int pack_string(grib_accessor* a, const char* val, size_t* len)
}
if (timeRangeIndicator == 10) {
/*
* timeRangeIndicator = 10 means 'P1 occupies octets 19 and 20' i.e. 16 bits
*/
long off = 0;
grib_accessor* p1_accessor = NULL;
if (theEnd != start && !h->context->gribex_mode_on) {
@ -563,6 +566,7 @@ static int pack_string(grib_accessor* a, const char* val, size_t* len)
return GRIB_NOT_FOUND;
}
off = p1_accessor->offset * 8;
/* Note: here we assume the key P2 is one octet and immediately follows P1. Hence 16 bits */
ret = grib_encode_unsigned_long(grib_handle_of_accessor(a)->buffer->data, P1, &off, 16);
if (ret != 0)
return ret;
@ -602,6 +606,9 @@ static int pack_string(grib_accessor* a, const char* val, size_t* len)
return GRIB_NOT_FOUND;
}
off = p1_accessor->offset * 8;
/* Note: case for timeRangeIndicator of 10
* We assume the key P2 is one octet and immediately follows P1. Hence 16 bits
*/
ret = grib_encode_unsigned_long(grib_handle_of_accessor(a)->buffer->data, P1, &off, 16);
if (ret != 0)
return ret;