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#! /usr/bin/awk -f
#
# xleaktrace - print unfreed memory using input generated by compact malloc
# tracing (malloc_set_trace(1))
#
# NOTE: we ignore `realloc' tags because they're just extra information
#
# Chet Ramey
# chet@po.cwru.edu
#
BEGIN {
FS=":";
}
$1 == "alloc" {
alloc[$2] = 1;
size[$2] = $3;
file[$2] = $4;
line[$2] = $5;
# printf "allocated: %s %d %d %s %d\n", $2, alloc[$2], size[$2], file[$2], line[$2];
}
$1 == "free" {
if ($2 in alloc) {
alloc[$2] = 0;
# printf "freed: %s %d\n", $2, alloc[$2];
} else
printf "freeing unallocated pointer: %s\n", $2;
}
END {
printf "unfreed memory\n";
for (ptr in alloc) {
if (alloc[ptr] == 1) {
printf "%s (%d) from %s:%d\n", ptr, size[ptr], file[ptr], line[ptr];
}
}
}
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