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config: Add UNITY_IS_PRINTABLE_CHAR function macro #847

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config: Add UNITY_IS_PRINTABLE_CHAR function macro #847

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8 changes: 8 additions & 0 deletions examples/unity_config.h
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Original file line number Diff line number Diff line change
Expand Up @@ -250,4 +250,12 @@
*/
/* #define UNITY_INCLUDE_EXEC_TIME */

/* Define this macro to redefine what the UnityPrintChar() function considers
* a printable character.
*
* Example, for printing UTF-8:
* #define UNITY_IS_PRINTABLE_CHAR(c) ((128 <= (c)) && ((c) <= 255))
*/
/* #define UNITY_IS_PRINTABLE_CHAR(c) ((32 <= (c)) && ((c) <= 126)) */

#endif /* UNITY_CONFIG_H */
10 changes: 9 additions & 1 deletion src/unity.c
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,8 @@

#include "unity.h"

#include <stdbool.h>

#ifndef UNITY_PROGMEM
#define UNITY_PROGMEM
#endif
Expand Down Expand Up @@ -88,8 +90,14 @@ static const char UNITY_PROGMEM UnityStrDetail2Name[] = " " UNITY_DET
/* Local helper function to print characters. */
static void UnityPrintChar(const char* pch)
{
#ifdef UNITY_IS_PRINTABLE_CHAR
const bool isPrintable = UNITY_IS_PRINTABLE_CHAR(*pch);
#else
const bool isPrintable = ((32 <= *pch) && (*pch <= 126));
#endif // UNITY_IS_PRINTABLE_CHAR

/* printable characters plus CR & LF are printed */
if ((*pch <= 126) && (*pch >= 32))
if (isPrintable)
{
UNITY_OUTPUT_CHAR(*pch);
}
Expand Down