check for globals in the lib that are not prefixed with toku. addresses #74

git-svn-id: file:///svn/tokudb@844 c7de825b-a66e-492c-adef-691d508d4ae1

src/tokuglobals.py

+#!/usr/bin/python
+
+import sys
+import os
+import re
+
+def checkglobals(libname, exceptsymbols, verbose):
+    badglobals = 0
+    nmcmd = "nm -g " + libname
+    f = os.popen(nmcmd)
+    b = f.readline()
+    while b != "":
+        match = re.match("^([0-9a-f]+)\s(.?)\s(.*)$", b)
+        if match == None:
+            match = re.match("^\s+(.*)$", b)
+            if match == None:
+                print "unknown", b
+                badglobals = 1
+        else:
+            type = match.group(2)
+            symbol = match.group(3)
+            if verbose: print type, symbol
+            match = re.match("^toku_", symbol)
+            if match == None and not exceptsymbols.has_key(symbol):
+                print "non toku symbol=", symbol
+                badglobals = 1
+        b = f.readline()
+    f.close()
+    return badglobals
+
+def main():
+    verbose = 0
+    for arg in sys.argv[1:]:
+        if arg == "-v":
+            verbose += 1
+    exceptsymbols = {}
+    for n in [ "_init", "_fini", "_end", "_edata", "__bss_start" ]:
+        exceptsymbols[n] = 1
+    for n in [ "db_env_create", "db_create", "db_strerror", "db_version", "log_compare" ]:
+        exceptsymbols[n] = 1
+    return checkglobals("libdb.so", exceptsymbols, verbose)
+    
+sys.exit(main())