1#! /usr/bin/awk -f 2# 3# xleaktrace - print unfreed memory using input generated by compact malloc 4# tracing (malloc_set_trace(1)) 5# 6# NOTE: we ignore `realloc' tags because they're just extra information 7# 8# Copyright (c) 2001 Chester Ramey 9# Permission is hereby granted to deal in this Software without restriction. 10# THIS SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND. 11# 12# Chet Ramey 13# chet@po.cwru.edu 14# 15BEGIN { 16 FS=":"; 17} 18 19$1 == "alloc" { 20 alloc[$2] = 1; 21 22 size[$2] = $3; 23 file[$2] = $4; 24 line[$2] = $5; 25 26# printf "allocated: %s %d %d %s %d\n", $2, alloc[$2], size[$2], file[$2], line[$2]; 27 } 28 29$1 == "free" { 30 if ($2 in alloc) { 31 alloc[$2] = 0; 32# printf "freed: %s %d\n", $2, alloc[$2]; 33 } else 34 printf "freeing unallocated pointer: %s\n", $2; 35 36 } 37 38END { 39 printf "unfreed memory\n"; 40 for (ptr in alloc) { 41 if (alloc[ptr] == 1) { 42 printf "%s (%d) from %s:%d\n", ptr, size[ptr], file[ptr], line[ptr]; 43 } 44 } 45} 46 47 48