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#define MALLOC_ARRAY(number, type) \ ((type *)malloc((number) * sizeof(type))) |
reduces the chance of error in an allocation expression.
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/* allocates a single object using malloc(). */ #define MALLOC(type) ((type *)malloc(sizeof(type))) /* allocates an array of objects using malloc(). */ #define MALLOC_ARRAY(number, type) \ ((type *)malloc((number) * sizeof(type))) /* allocates a single object with a flexible array member using malloc(). */ #define MALLOC_FLEX(stype, number, etype) \ ((stype *)malloc(sizeof(stype) + (number) * sizeof(etype))) /* allocates an array of objects using calloc(). */ #define CALLOC(number, type) \ ((type *)calloc(number, sizeof(type))) /* reallocates an array of objects using realloc(). */ #define REALLOC_ARRAY(pointer, number, type) \ ((type *)realloc(pointer, (number) * sizeof(type))) /* reallocates a single object with a flexible array member using realloc(). */ #define REALLOC_FLEX(pointer, stype, number, etype) \ ((stype *)realloc(pointer, sizeof(stype) + (number) * sizeof(etype))) |
For example
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