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Add static assert to catch errors in COPY(a,b)

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This commit is contained in:
Scott Lahteine 2019-02-04 05:41:40 -06:00
parent df1043516e
commit ca73b2f465
1 changed files with 4 additions and 1 deletions
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5
Marlin/src/core/macros.h
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@ -152,7 +152,10 @@
#define DECIMAL_SIGNED(a) (DECIMAL(a) || (a) == '-' || (a) == '+') #define DECIMAL_SIGNED(a) (DECIMAL(a) || (a) == '-' || (a) == '+')
#define COUNT(a) (sizeof(a)/sizeof(*a)) #define COUNT(a) (sizeof(a)/sizeof(*a))
#define ZERO(a) memset(a,0,sizeof(a)) #define ZERO(a) memset(a,0,sizeof(a))
#define COPY(a,b) memcpy(a,b,MIN(sizeof(a),sizeof(b))) #define COPY(a,b) do{ \
static_assert(sizeof(a[0]) == sizeof(b[0]), "COPY: '" STRINGIFY(a) "' and '" STRINGIFY(b) "' types (sizes) don't match!"); \
memcpy(&a[0],&b[0],MIN(sizeof(a),sizeof(b))); \
}while(0)
// Macros for initializing arrays // Macros for initializing arrays
#define ARRAY_6(v1, v2, v3, v4, v5, v6, ...) { v1, v2, v3, v4, v5, v6 } #define ARRAY_6(v1, v2, v3, v4, v5, v6, ...) { v1, v2, v3, v4, v5, v6 }