--- a/src/cx/compare.h Sat Dec 28 15:06:15 2024 +0100 +++ b/src/cx/compare.h Sat Dec 28 17:31:28 2024 +0100 @@ -43,7 +43,16 @@ #endif /** - * A comparator function comparing two collection elements. + * A comparator function comparing two arbitrary values. + * + * All functions from compare.h with the cx_cmp prefix are + * compatible with this signature and can be used as + * compare function for collections, or other implementations + * that need to be type-agnostic. + * + * For simple comparisons the cx_vcmp family of functions + * can be used, but they are NOT compatible with this function + * pointer. */ cx_attr_nonnull cx_attr_nodiscard @@ -65,6 +74,17 @@ int cx_cmp_int(const void *i1, const void *i2); /** + * Compares two ints. + * + * @param i1 integer one + * @param i2 integer two + * @return -1, if i1 is less than i2, 0 if both are equal, + * 1 if i1 is greater than i2 + */ +cx_attr_nodiscard +int cx_vcmp_int(int i1, int i2); + +/** * Compares two integers of type long int. * * @param i1 pointer to long integer one @@ -77,6 +97,17 @@ int cx_cmp_longint(const void *i1, const void *i2); /** + * Compares two long ints. + * + * @param i1 long integer one + * @param i2 long integer two + * @return -1, if i1 is less than i2, 0 if both are equal, + * 1 if i1 is greater than i2 + */ +cx_attr_nodiscard +int cx_vcmp_longint(long int i1, long int i2); + +/** * Compares two integers of type long long. * * @param i1 pointer to long long one @@ -89,6 +120,17 @@ int cx_cmp_longlong(const void *i1, const void *i2); /** + * Compares twolong long ints. + * + * @param i1 long long int one + * @param i2 long long int two + * @return -1, if i1 is less than i2, 0 if both are equal, + * 1 if i1 is greater than i2 + */ +cx_attr_nodiscard +int cx_vcmp_longlong(long long int i1, long long int i2); + +/** * Compares two integers of type int16_t. * * @param i1 pointer to int16_t one @@ -101,6 +143,17 @@ int cx_cmp_int16(const void *i1, const void *i2); /** + * Compares two integers of type int16_t. + * + * @param i1 int16_t one + * @param i2 int16_t two + * @return -1, if i1 is less than i2, 0 if both are equal, + * 1 if i1 is greater than i2 + */ +cx_attr_nodiscard +int cx_vcmp_int16(int16_t i1, int16_t i2); + +/** * Compares two integers of type int32_t. * * @param i1 pointer to int32_t one @@ -113,6 +166,17 @@ int cx_cmp_int32(const void *i1, const void *i2); /** + * Compares two integers of type int32_t. + * + * @param i1 int32_t one + * @param i2 int32_t two + * @return -1, if i1 is less than i2, 0 if both are equal, + * 1 if i1 is greater than i2 + */ +cx_attr_nodiscard +int cx_vcmp_int32(int32_t i1, int32_t i2); + +/** * Compares two integers of type int64_t. * * @param i1 pointer to int64_t one @@ -125,6 +189,17 @@ int cx_cmp_int64(const void *i1, const void *i2); /** + * Compares two integers of type int64_t. + * + * @param i1 int64_t one + * @param i2 int64_t two + * @return -1, if i1 is less than i2, 0 if both are equal, + * 1 if i1 is greater than i2 + */ +cx_attr_nodiscard +int cx_vcmp_int64(int64_t i1, int64_t i2); + +/** * Compares two integers of type unsigned int. * * @param i1 pointer to unsigned integer one @@ -137,6 +212,17 @@ int cx_cmp_uint(const void *i1, const void *i2); /** + * Compares two unsigned ints. + * + * @param i1 unsigned integer one + * @param i2 unsigned integer two + * @return -1, if i1 is less than i2, 0 if both are equal, + * 1 if i1 is greater than i2 + */ +cx_attr_nodiscard +int cx_vcmp_uint(unsigned int i1, unsigned int i2); + +/** * Compares two integers of type unsigned long int. * * @param i1 pointer to unsigned long integer one @@ -149,6 +235,17 @@ int cx_cmp_ulongint(const void *i1, const void *i2); /** + * Compares two unsigned long ints. + * + * @param i1 unsigned long integer one + * @param i2 unsigned long integer two + * @return -1, if i1 is less than i2, 0 if both are equal, + * 1 if i1 is greater than i2 + */ +cx_attr_nodiscard +int cx_vcmp_ulongint(unsigned long int i1, unsigned long int i2); + +/** * Compares two integers of type unsigned long long. * * @param i1 pointer to unsigned long long one @@ -161,6 +258,17 @@ int cx_cmp_ulonglong(const void *i1, const void *i2); /** + * Compares two unsigned long long ints. + * + * @param i1 unsigned long long one + * @param i2 unsigned long long two + * @return -1, if i1 is less than i2, 0 if both are equal, + * 1 if i1 is greater than i2 + */ +cx_attr_nodiscard +int cx_vcmp_ulonglong(unsigned long long int i1, unsigned long long int i2); + +/** * Compares two integers of type uint16_t. * * @param i1 pointer to uint16_t one @@ -173,6 +281,17 @@ int cx_cmp_uint16(const void *i1, const void *i2); /** + * Compares two integers of type uint16_t. + * + * @param i1 uint16_t one + * @param i2 uint16_t two + * @return -1, if i1 is less than i2, 0 if both are equal, + * 1 if i1 is greater than i2 + */ +cx_attr_nodiscard +int cx_vcmp_uint16(uint16_t i1, uint16_t i2); + +/** * Compares two integers of type uint32_t. * * @param i1 pointer to uint32_t one @@ -185,6 +304,17 @@ int cx_cmp_uint32(const void *i1, const void *i2); /** + * Compares two integers of type uint32_t. + * + * @param i1 uint32_t one + * @param i2 uint32_t two + * @return -1, if i1 is less than i2, 0 if both are equal, + * 1 if i1 is greater than i2 + */ +cx_attr_nodiscard +int cx_vcmp_uint32(uint32_t i1, uint32_t i2); + +/** * Compares two integers of type uint64_t. * * @param i1 pointer to uint64_t one @@ -197,6 +327,17 @@ int cx_cmp_uint64(const void *i1, const void *i2); /** + * Compares two integers of type uint64_t. + * + * @param i1 uint64_t one + * @param i2 uint64_t two + * @return -1, if i1 is less than i2, 0 if both are equal, + * 1 if i1 is greater than i2 + */ +cx_attr_nodiscard +int cx_vcmp_uint64(uint64_t i1, uint64_t i2); + +/** * Compares two real numbers of type float with precision 1e-6f. * * @param f1 pointer to float one @@ -209,6 +350,17 @@ int cx_cmp_float(const void *f1, const void *f2); /** + * Compares two real numbers of type float with precision 1e-6f. + * + * @param f1 float one + * @param f2 float two + * @return -1, if f1 is less than f2, 0 if both are equal, + * 1 if f1 is greater than f2 + */ +cx_attr_nodiscard +int cx_vcmp_float(float f1, float f2); + +/** * Compares two real numbers of type double with precision 1e-14. * * @param d1 pointer to double one @@ -221,6 +373,17 @@ int cx_cmp_double(const void *d1, const void *d2); /** + * Convenience function + * + * @param d1 double one + * @param d2 double two + * @return -1, if d1 is less than d2, 0 if both are equal, + * 1 if d1 is greater than d2 + */ +cx_attr_nodiscard +int cx_vcmp_double(double d1, double d2); + +/** * Compares the integer representation of two pointers. * * @param ptr1 pointer to pointer one (const intptr_t*) @@ -233,6 +396,17 @@ int cx_cmp_intptr(const void *ptr1, const void *ptr2); /** + * Compares the integer representation of two pointers. + * + * @param ptr1 pointer one + * @param ptr2 pointer two + * @return -1 if ptr1 is less than ptr2, 0 if both are equal, + * 1 if ptr1 is greater than ptr2 + */ +cx_attr_nodiscard +int cx_vcmp_intptr(intptr_t ptr1, intptr_t ptr2); + +/** * Compares the unsigned integer representation of two pointers. * * @param ptr1 pointer to pointer one (const uintptr_t*) @@ -245,6 +419,17 @@ int cx_cmp_uintptr(const void *ptr1, const void *ptr2); /** + * Compares the unsigned integer representation of two pointers. + * + * @param ptr1 pointer one + * @param ptr2 pointer two + * @return -1 if ptr1 is less than ptr2, 0 if both are equal, + * 1 if ptr1 is greater than ptr2 + */ +cx_attr_nodiscard +int cx_vcmp_uintptr(uintptr_t ptr1, uintptr_t ptr2); + +/** * Compares the pointers specified in the arguments without de-referencing. * * @param ptr1 pointer one