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#! /usr/bin/env lua
-- vim:sw=4:sts=4
-- The Valgrind leak listing contains lots of blocks that are allocated during
-- library initialization, no way to free them. In order to be able to see
-- relevant leaks, these blocks must be filtered out.
-- Output the leak info block unless it should be suppressed.
function process_block(block)
for n, line in pairs(block) do
if string.find(line, "gdk_display_open") then return end
if string.find(line, "gtk_parse_args") then return end
if string.find(line, "gtk_style_init") then return end
if string.find(line, "dlopen@@GLIBC") then return end
end
-- this block contains a relevant memory leak.
for n, line in pairs(block) do
print(line)
end
print ""
print ""
end
-- read a valgrind memory log and extract the leak blocks
function process_file(file)
local block
for line in file:lines() do
-- strip PID
line = string.gsub(line, "^==%d+== *", "")
if string.match(line, "^[0-9,]+ bytes in %d+ blocks") then
block = { line }
elseif line == "" and block then
process_block(block)
block = nil
elseif block then
block[#block + 1] = line
end
end
end
-- read the given file, else stdin
if #arg >= 1 then
file = io.open(arg[1])
if not file then
print(string.format("Can't open file %s, aborting.", arg[1]))
os.exit(1)
end
process_file(file)
else
process_file(io.stdin)
end
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