Suga koubou / Mbed 2 deprecated malloc_test

http://mbed.org/users/okini3939/notebook/mbed256_memory/

Dependencies:   mbed

main.cpp@0:84a4229a4f34, 2011-07-16 (annotated)

Committer:
okini3939
Date:
Sat Jul 16 06:16:02 2011 +0000
Revision:
0:84a4229a4f34

        

        
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#include "mbed.h"





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#include <new>





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#include <setjmp.h>





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#define MAX 320





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#undef USE_MALLOC // malloc or new





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Serial pc(USBTX, USBRX);





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jmp_buf jbuf;





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void no_memory () {





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    pc.printf("new: no memory!\r\n");





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    longjmp(jbuf, 1);





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//    exit(-1);





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}





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int main() {





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    volatile int i; // volatile





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    int j;





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    char *dummy[MAX];





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//    set_new_handler(0); // return null





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    set_new_handler(no_memory); // new handler function





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    if (setjmp(jbuf) == 0) {





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        // allocate to memory





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        for (i = 0; i < MAX; i ++) {





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            pc.printf("%d, ", i);





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#ifdef USE_MALLOC





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            dummy[i] = (char*)malloc(100);





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#else





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            dummy[i] = new char[100];





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#endif





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            if (dummy[i] == NULL) {





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                pc.printf("malloc: no memory!\r\n");





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                break;





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            }





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        }





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    } else {





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        // return from longjmp





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    }





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    pc.printf("allocated %d Bytes\r\n", i * 100);





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    for (j = 0; j < i; j ++) {





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#ifdef USE_MALLOC





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        delete [] dummy[j];





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#else





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        free(dummy[j]);





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#endif





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    }





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}