#
# Search for non-reentrant calls in source code.
#
# See http://developers.sun.com/solaris/articles/multithreaded.html
#
# For further details.
#
# S M Harrison 28/8/04
#
import re,sys,string,os
result_file = "report.html"
bad_functions = [ "ctime","localtime","gmtime","asctime","strtok",
"gethostbyname","gethostent","gethostbyaddr","getservent","getservbyname",
"getservbyport","getprotobyname","getnetbyname","getnetbyaddr","getrpcbynam",
"getrpcbynumber","getrpcent","rand","ctermid","tmpnam","readdir","getlogin",
"getpwent","getpwnam","getpwuid","getspent","getspnam","getgrnam","getgrgid",
"getnetent","getrpcbyname","tempnam","fgetpwent","fgetgrent","getgrent",
"fgetspent","ecvt","gcvt","fcvt","lastlock" ]
searches = {}
print "Compiling re expressions..."
for i in bad_functions :
cre = re.compile( r"[^\w:.]%s\s*\("%i )
searches[i] = cre
print "Done."
c_exts = [".CPP",".C",".H"]
context = 6
out = ""
startpoint = "."
if sys.argv[1:] :
startpoint = sys.argv[1]
for root, dirs, names in os.walk( startpoint ) :
for i in names :
f,e = os.path.splitext( i)
if string.upper(e) in c_exts :
p = os.path.join( root, i )
lines = file(p).readlines()
count = 0
for i in lines:
count = count + 1
for j in bad_functions:
res = searches[j].search( i )
if res != None:
out += 'WARNING! Found %s in file %s.
'%(j,p,p)
out += "\n"
for k in xrange( max( 0,count-context ), min(len(lines)-1, context+count ) ) :
tmp = lines[k]
tmp = string.replace( tmp, j, ""+j+"" )
out += tmp
out += "
\n"
out += ""
file( result_file, "w" ).write( out )
print "Written",result_file