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This commit is contained in:
Ramil Kalimullin 2010-09-06 13:54:44 +04:00
commit 385a473803
3 changed files with 21 additions and 2 deletions
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6
sql/spatial.cc
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@ -511,7 +511,7 @@ uint Gis_line_string::init_from_wkb(const char *wkb, uint len,
n_points= wkb_get_uint(wkb, bo);
proper_length= 4 + n_points * POINT_DATA_SIZE;
if (len < proper_length || res->reserve(proper_length))
if (!n_points || len < proper_length || res->reserve(proper_length))
return 0;
res->q_append(n_points);
@ -729,7 +729,9 @@ uint Gis_polygon::init_from_wkb(const char *wkb, uint len, wkbByteOrder bo,
if (len < 4)
return 0;
n_linear_rings= wkb_get_uint(wkb, bo);
if (!(n_linear_rings= wkb_get_uint(wkb, bo)))
return 0;
if (res->reserve(4, 512))
return 0;
wkb+= 4;