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ECC-1515: Assertion failure: set packingType to grid_png

This commit is contained in:
Shahram Najm 2023-01-21 21:37:31 +00:00
parent 0fa00f406b
commit 35447bf202
1 changed files with 7 additions and 3 deletions
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10
src/grib_accessor_class_data_png_packing.c
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@ -210,7 +210,13 @@ static void png_read_callback(png_structp png, png_bytep data, png_size_t length
static void png_write_callback(png_structp png, png_bytep data, png_size_t length)
{
png_read_callback_data* p = (png_read_callback_data*)png_get_io_ptr(png);
Assert(p->offset + length <= p->length);
/* printf("p.offset=%zu len=%zu p.len=%zu\n", p->offset, length, p->length); */
/* Assert(p->offset + length <= p->length); */
if (p->offset + length > p->length) {
/* Errors handled through png_error() are fatal, meaning that png_error() should never return to its caller.
Currently, this is handled via setjmp() and longjmp() */
png_error(png,"Failed to write PNG data");
}
memcpy(p->buffer + p->offset, data, length);
p->offset += length;
}
@ -611,7 +617,6 @@ static int pack_double(grib_accessor* a, const double* val, size_t* len)
callback_data.offset = 0;
callback_data.length = buflen;
/* printf("buflen=%d\n",buflen); */
png_set_write_fn(png, &callback_data, png_write_callback, png_flush_callback);
depth = bits8;
@ -655,7 +660,6 @@ cleanup:
if (png)
png_destroy_write_struct(&png, info ? &info : NULL);
grib_context_buffer_free(a->context, buf);
grib_context_buffer_free(a->context, encoded);
grib_context_buffer_free(a->context, rows);