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core(persistence): fix types format handling

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partial backport of 4eac198270
This commit is contained in:
Alexander Alekhin 2021-06-29 09:00:10 +00:00
parent c2263db7bc
commit db4b1e613c
1 changed files with 15 additions and 4 deletions
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19
modules/core/src/persistence.cpp
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@ -6,6 +6,8 @@
#include "precomp.hpp"
#include "persistence.hpp"
using namespace cv;
char* icv_itoa( int _val, char* buffer, int /*radix*/ )
{
const int radix = 10;
@ -519,12 +521,16 @@ static const char symbols[9] = "ucwsifdr";
char icvTypeSymbol(int depth)
{
CV_Assert(depth >=0 && depth < 9);
CV_StaticAssert(CV_64F == 6, "");
CV_Assert(depth >=0 && depth <= CV_64F);
CV_CheckDepth(depth, depth >=0 && depth <= CV_64F, "");
return symbols[depth];
}
static int icvSymbolToType(char c)
{
if (c == 'r')
return CV_SEQ_ELTYPE_PTR;
const char* pos = strchr( symbols, c );
if( !pos )
CV_Error( CV_StsBadArg, "Invalid data type specification" );
@ -618,8 +624,12 @@ int icvCalcStructSize( const char* dt, int initial_size )
{
int size = icvCalcElemSize( dt, initial_size );
size_t elem_max_size = 0;
for ( const char * type = dt; *type != '\0'; type++ ) {
switch ( *type )
for ( const char * type = dt; *type != '\0'; type++ )
{
char v = *type;
if (v >= '0' && v <= '9')
continue; // skip vector size
switch (v)
{
case 'u': { elem_max_size = std::max( elem_max_size, sizeof(uchar ) ); break; }
case 'c': { elem_max_size = std::max( elem_max_size, sizeof(schar ) ); break; }
@ -628,7 +638,8 @@ int icvCalcStructSize( const char* dt, int initial_size )
case 'i': { elem_max_size = std::max( elem_max_size, sizeof(int ) ); break; }
case 'f': { elem_max_size = std::max( elem_max_size, sizeof(float ) ); break; }
case 'd': { elem_max_size = std::max( elem_max_size, sizeof(double) ); break; }
default: break;
default:
CV_Error_(Error::StsNotImplemented, ("Unknown type identifier: '%c' in '%s'", (char)(*type), dt));
}
}
size = cvAlign( size, static_cast<int>(elem_max_size) );