gnu/lib/libmalloc/mtrace.awk

   1 #
   2 #  Awk program to analyze mtrace.c output.
   3 #
   4 $1 == "+"       { if (allocated[$2] != "")
   5                     print "+", $2, "Alloc", NR, "duplicate:", allocated[$2];
   6                   else
   7                     allocated[$2] = $3;
   8                 }
   9 $1 == "-"       { if (allocated[$2] != "") {
  10                     allocated[$2] = "";
  11                     if (allocated[$2] != "")
  12                         print "DELETE FAILED", $2, allocated[$2];
  13                   } else
  14                     print "-", $2, "Free", NR, "was never alloc'd";
  15                 }
  16 $1 == "<"       { if (allocated[$2] != "")
  17                     allocated[$2] = "";
  18                   else
  19                     print "-", $2, "Realloc", NR, "was never alloc'd";
  20                 }
  21 $1 == ">"       { if (allocated[$2] != "")
  22                     print "+", $2, "Realloc", NR, "duplicate:", allocated[$2];
  23                   else
  24                     allocated[$2] = $3;
  25                 }
  26
  27 # Ignore "= Start"
  28 $1 == "="       { }
  29 # Ignore failed realloc attempts for now
  30 $1 == "!"       { }
  31
  32
  33 END             { for (x in allocated)
  34                     if (allocated[x] != "")
  35                       print "+", x, allocated[x];
  36                 }