47 lines
968 B
Awk
Executable file
47 lines
968 B
Awk
Executable file
#! /usr/bin/awk -f
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#
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# xleaktrace - print unfreed memory using input generated by compact malloc
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# tracing (malloc_set_trace(1))
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#
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# NOTE: we ignore `realloc' tags because they're just extra information
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#
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# Copyright (c) 2001 Chester Ramey
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# Permission is hereby granted to deal in this Software without restriction.
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# THIS SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND.
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#
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# Chet Ramey
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# chet@po.cwru.edu
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#
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BEGIN {
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FS=":";
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}
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$1 == "alloc" {
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alloc[$2] = 1;
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size[$2] = $3;
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file[$2] = $4;
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line[$2] = $5;
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# printf "allocated: %s %d %d %s %d\n", $2, alloc[$2], size[$2], file[$2], line[$2];
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}
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$1 == "free" {
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if ($2 in alloc) {
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alloc[$2] = 0;
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# printf "freed: %s %d\n", $2, alloc[$2];
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} else
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printf "freeing unallocated pointer: %s\n", $2;
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}
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END {
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printf "unfreed memory\n";
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for (ptr in alloc) {
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if (alloc[ptr] == 1) {
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printf "%s (%d) from %s:%d\n", ptr, size[ptr], file[ptr], line[ptr];
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}
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}
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}
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