diff options
Diffstat (limited to 'scratch/bash-3.1-postpatch/lib/malloc/xleaktrace')
| -rwxr-xr-x | scratch/bash-3.1-postpatch/lib/malloc/xleaktrace | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/scratch/bash-3.1-postpatch/lib/malloc/xleaktrace b/scratch/bash-3.1-postpatch/lib/malloc/xleaktrace new file mode 100755 index 0000000..573437c --- /dev/null +++ b/scratch/bash-3.1-postpatch/lib/malloc/xleaktrace @@ -0,0 +1,43 @@ +#! /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]; + } + } +} + + |