summaryrefslogtreecommitdiffstats
path: root/lib/malloc/xleaktrace
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 06:17:24 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 06:17:24 +0000
commit9d8085074991d5c0a42d6fc96a2d1a3ee918aad1 (patch)
treec85bca1e6c11eb872edfc64c524d20f2b7e3307b /lib/malloc/xleaktrace
parentInitial commit. (diff)
downloadbash-9d8085074991d5c0a42d6fc96a2d1a3ee918aad1.tar.xz
bash-9d8085074991d5c0a42d6fc96a2d1a3ee918aad1.zip
Adding upstream version 5.1.upstream/5.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/malloc/xleaktrace')
-rwxr-xr-xlib/malloc/xleaktrace47
1 files changed, 47 insertions, 0 deletions
diff --git a/lib/malloc/xleaktrace b/lib/malloc/xleaktrace
new file mode 100755
index 0000000..d7e3cd5
--- /dev/null
+++ b/lib/malloc/xleaktrace
@@ -0,0 +1,47 @@
+#! /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
+#
+# Copyright (c) 2001 Chester Ramey
+# Permission is hereby granted to deal in this Software without restriction.
+# THIS SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND.
+#
+# 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];
+ }
+ }
+}
+
+