• C

Verify memory allocated


int *p;
p = (int*)malloc(128);

Is there any mechanism to verify that the specified memory is allocated

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try this

if ( (p = (int*)malloc(128)) == NULL )
    /* error */

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if( p != NULL){
........ success

...... failure
Also, casting the return type of malloc() is a bad idea since it will suppress the warning message should you forget to include stdlib.h, which would result in undefined behaviour.
if you are using gcc to compile, use this option to see all warning
    $> gcc -Wall yourfile.c

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