[Sanitizers Coverage] Make sancov.py work with wildcards from Windows CMD shell

[timurrrr]

Summary

CMD doesn't expand * in command lines, so we have to do it ourselves.

[kcc]

LGTM

Ugh.

lib/sanitizer_common/scripts/sancov.py

187

What about '?'
Why not run glob unconditionally.

[timurrrr]

lib/sanitizer_common/scripts/sancov.py

187

Good point, will do.

195

the ", bits" part is a merge conflict inflicted mistake indeed/
Will fix

[timurrrr]

r233809.

lib/sanitizer_common/scripts/sancov.py

 #!/usr/bin/env python
 # Merge or print the coverage data collected by asan's coverage.
 # Input files are sequences of 4-byte integers.
 # We need to merge these integers into a set and then
 # either print them (as hex) or dump them into another file.
 import array
-import struct
-import sys
 import bisect
+import glob
 import os.path
+import struct
+import sys
 
 prog_name = ""
 
 def Usage():
   print >> sys.stderr, "Usage: \n" + \
       " " + prog_name + " [32|64] merge file1 [file2 ...]  > output\n" \
       " " + prog_name + " [32|64] print file1 [file2 ...]\n" \
       " " + prog_name + " [32|64] unpack file1 [file2 ...]\n" \
for f in files:
     f_map = f[:-3] + 'map'
     UnpackOneRawFile(f, f_map)
 
 if __name__ == '__main__':
   prog_name = sys.argv[0]
   if len(sys.argv) <= 2:
     Usage();
 
+  file_list = []
+  for f in sys.argv[2:]:
+    if f.find("*") != -1:
+      file_list += glob.glob(f)
+    else:
+      file_list.append(f)
+  if not file_list:
+    Usage()
+
   if sys.argv[1] == "print":
-    PrintFiles(sys.argv[2:])
+    PrintFiles(file_list, bits)
   elif sys.argv[1] == "merge":
-    MergeAndPrint(sys.argv[2:])
+    MergeAndPrint(file_list, bits)
   elif sys.argv[1] == "unpack":
-    Unpack(sys.argv[2:])
+    Unpack(file_list)
   elif sys.argv[1] == "rawunpack":
-    RawUnpack(sys.argv[2:])
+    RawUnpack(file_list, bits)
   else:
     Usage()