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Merge pull request #172 from pacheco017/UnityPrintFloat-overflow-fixes

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UnityPrintFloat overflow fixes. (Thanks pacheco017!)
This commit is contained in:
Mark VanderVoord
2016-02-24 20:16:45 -05:00
parent 433ee63575 c17705358f
commit a7f81e8a04
2 changed files with 12 additions and 2 deletions
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13
src/unity.c
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@@ -280,10 +280,19 @@ void UnityPrintMask(const _U_UINT mask, const _U_UINT number)
//----------------------------------------------- //-----------------------------------------------
#ifdef UNITY_FLOAT_VERBOSE #ifdef UNITY_FLOAT_VERBOSE
#include <stdio.h> #include <stdio.h>
#ifndef UNITY_VERBOSE_NUMBER_MAX_LENGTH
# ifdef UNITY_DOUBLE_VERBOSE
# define UNITY_VERBOSE_NUMBER_MAX_LENGTH 317
# else
# define UNITY_VERBOSE_NUMBER_MAX_LENGTH 47
# endif
#endif
void UnityPrintFloat(_UF number) void UnityPrintFloat(_UF number)
{ {
char TempBuffer[32]; char TempBuffer[UNITY_VERBOSE_NUMBER_MAX_LENGTH + 1];
sprintf(TempBuffer, "%.6f", number); snprintf(TempBuffer, sizeof(TempBuffer), "%.6f", number);
UnityPrint(TempBuffer); UnityPrint(TempBuffer);
} }
#endif #endif

1
src/unity.h
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@@ -44,6 +44,7 @@ void tearDown(void);
// - define UNITY_DOUBLE_PRECISION to specify the precision to use when doing TEST_ASSERT_EQUAL_DOUBLE // - define UNITY_DOUBLE_PRECISION to specify the precision to use when doing TEST_ASSERT_EQUAL_DOUBLE
// - define UNITY_DOUBLE_TYPE to specify something other than double // - define UNITY_DOUBLE_TYPE to specify something other than double
// - define UNITY_DOUBLE_VERBOSE to print floating point values in errors (uses sprintf) // - define UNITY_DOUBLE_VERBOSE to print floating point values in errors (uses sprintf)
// - define UNITY_VERBOSE_NUMBER_MAX_LENGTH to change maximum length of printed numbers (used by sprintf)
// Output // Output
// - by default, Unity prints to standard out with putchar. define UNITY_OUTPUT_CHAR(a) with a different function if desired // - by default, Unity prints to standard out with putchar. define UNITY_OUTPUT_CHAR(a) with a different function if desired