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mfunyu / malloc

Find out the workings behind optimum memory management and recode it, as well as free and realloc.
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[error] magazine->top = 0x0, Error: pointer being freed was not allocated #54

Closed mfunyu closed 5 months ago

mfunyu commented 5 months ago 

$> LD_PRELOAD=./libft_malloc.so MallocDebug=1 git
[ malloc] by _IO_file_doallocate : malloc(4096) = 0x7fe1bff01610
[realloc]                 : realloc(0x0, 1600) = 0x7fe1bff02810
[realloc]                 : realloc(0x0, 1024)allocating tiny
 = 0x7fe1c623b480
[realloc]                 : realloc(0x7fe1c623b480, 2048)freeing tiny
magazine->top: 0x0
Error: pointer being freed was not allocated
 = 0x7fe1bff03010
[   free] by _IO_setb     : free(0x7fe1bff01610)
[   free] by _IO_fclose   : free(0x7fe1c623b2a0)
freeing tiny
magazine->top: 0x0
Error: pointer being freed was not allocated
[ malloc]                 : malloc(5)allocating tiny
 = 0x7fe1bf9ae010
[ malloc]                 : malloc(54)allocating tiny
 = 0x7fe1bf9ae030
[ malloc]                 : malloc(168)allocating tiny
 = 0x7fe1bf9ae070
[ malloc]                 : malloc(49)allocating tiny