HardenedBSD/gnu/lib/libmalloc/mtrace.awk
Rodney W. Grimes 936298e2bd This is gnu lib malloc from NetBSD verbatium, here is the version info
that Chris created:
this version of GNU malloc was obtained from prep.ai.mit.edu on
9/22/1993.  There was no version noted.
1993-09-24 13:03:39 +00:00

37 lines
860 B
Awk

#
# Awk program to analyze mtrace.c output.
#
$1 == "+" { if (allocated[$2] != "")
print "+", $2, "Alloc", NR, "duplicate:", allocated[$2];
else
allocated[$2] = $3;
}
$1 == "-" { if (allocated[$2] != "") {
allocated[$2] = "";
if (allocated[$2] != "")
print "DELETE FAILED", $2, allocated[$2];
} else
print "-", $2, "Free", NR, "was never alloc'd";
}
$1 == "<" { if (allocated[$2] != "")
allocated[$2] = "";
else
print "-", $2, "Realloc", NR, "was never alloc'd";
}
$1 == ">" { if (allocated[$2] != "")
print "+", $2, "Realloc", NR, "duplicate:", allocated[$2];
else
allocated[$2] = $3;
}
# Ignore "= Start"
$1 == "=" { }
# Ignore failed realloc attempts for now
$1 == "!" { }
END { for (x in allocated)
if (allocated[x] != "")
print "+", x, allocated[x];
}