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core: enable printf format warnings for cv::format

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This commit is contained in:
Pavel Rojtberg 2018-08-06 01:23:19 +02:00 committed by Maksim Shabunin
parent 475c775b25
commit 4d23a5d92d
1 changed files with 7 additions and 1 deletions
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8
modules/core/include/opencv2/core/operations.hpp
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@ -51,6 +51,12 @@
#include <cstdio>
#if defined(__GNUC__) || defined(__clang__) // at least GCC 3.1+, clang 3.5+
# define CV_FORMAT_PRINTF(string_idx, first_to_check) __attribute__ ((format (printf, string_idx, first_to_check)))
#else
# define CV_FORMAT_PRINTF(A, B)
#endif
//! @cond IGNORED
namespace cv
@ -387,7 +393,7 @@ The function acts like sprintf but forms and returns an STL string. It can be us
message in the Exception constructor.
@param fmt printf-compatible formatting specifiers.
*/
CV_EXPORTS String format( const char* fmt, ... );
CV_EXPORTS String format( const char* fmt, ... ) CV_FORMAT_PRINTF(1, 2);
///////////////////////////////// Formatted output of cv::Mat /////////////////////////////////