added a bit of error checking!

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1041 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

diff --git a/util/newconfig/config.g b/util/newconfig/config.g
index 0fd87111dfeac03eeb64d3c1faee507547b0bfbe..b9ff7b14f8e70d9c7813c9677a407d256ca47add 100644 (file)
--- a/util/newconfig/config.g
+++ b/util/newconfig/config.g
@@ -179,6 +179,12 @@ def exitiferrors():
        if (errors != 0):
                sys.exit(1)
 
+def safe_open(file, mode):
+       try:
+               return open(file, mode)
+       except IOError:
+               fatal("Could not open file \"%s\"" % file)
+
 # -----------------------------------------------------------------------------
 #                    Main classes
 # -----------------------------------------------------------------------------
@@ -850,8 +856,9 @@ def validdef(name, defval):
 def loadoptions():
        file = os.path.join('src', 'config', 'Options.lb')
        optionsfile = os.path.join(treetop, file)
+       fp = safe_open(optionsfile, 'r')
        loc.push(file)
-       if (not parse('options', open(optionsfile, 'r').read())):
+       if (not parse('options', fp.read())):
                fatal("Could not parse file")
        loc.pop()
 
@@ -1034,7 +1041,8 @@ def doconfigfile(path, confdir, file):
        rname = os.path.join(confdir, file)
        loc.push(rname)
        fullpath = os.path.join(path, rname)
-       if (not parse('cfgfile', open(fullpath, 'r').read())):
+       fp = safe_open(fullpath, 'r')
+       if (not parse('cfgfile', fp.read())):
                fatal("Could not parse file")
        exitiferrors()
        loc.pop()
@@ -1390,7 +1398,7 @@ def writemakefilesettings(path):
 
        filename = os.path.join(path, "Makefile.settings")
        print "Creating", filename
-       file = open(filename, 'w+')
+       file = safe_open(filename, 'w+')
        writemakefileheader(file, filename)
        file.write("TOP:=%s\n" % (treetop))
        file.write("TARGET_DIR:=%s\n" % target_dir)
@@ -1414,7 +1422,7 @@ def writeimagesettings(image):
 
        filename = os.path.join(image.gettargetdir(), "Makefile.settings")
        print "Creating", filename
-       file = open(filename, 'w+')
+       file = safe_open(filename, 'w+')
        writemakefileheader(file, filename)
        file.write("TOP:=%s\n" % (treetop))
        file.write("TARGET_DIR:=%s\n" % (image.gettargetdir()))
@@ -1435,7 +1443,7 @@ def writeimagesettings(image):
 def writeimagemakefile(image):
        makefilepath = os.path.join(image.gettargetdir(), "Makefile")
        print "Creating", makefilepath
-       file = open(makefilepath, 'w+')
+       file = safe_open(makefilepath, 'w+')
        writemakefileheader(file, makefilepath)
 
        #file.write("include cpuflags\n")
@@ -1591,7 +1599,7 @@ def writeimagemakefile(image):
 def writemakefile(path):
        makefilepath = os.path.join(path, "Makefile")
        print "Creating", makefilepath
-       file = open(makefilepath, 'w+')
+       file = safe_open(makefilepath, 'w+')
        writemakefileheader(file, makefilepath)
 
        # main rule
@@ -1617,9 +1625,9 @@ def writeinitincludes(image):
        global include_pattern
        filepath = os.path.join(image.gettargetdir(), image.getincludefilename())
        print "Creating", filepath
-       outfile = open(filepath, 'w+')
+       outfile = safe_open(filepath, 'w+')
        if (image.newformat()):
-               infile = open(image.getinitfile(), 'r')
+               infile = safe_open(image.getinitfile(), 'r')
 
                line = infile.readline()
                while (line):
@@ -1647,7 +1655,7 @@ def writeldoptions(image):
 
        filename = os.path.join(image.gettargetdir(), "ldoptions")
        print "Creating", filename
-       file = open(filename, 'w+')
+       file = safe_open(filename, 'w+')
        for i in global_options.keys():
                if (isexported(i) and IsInt(getoption(i, image))):
                        file.write("%s = %s;\n" % (i, getformated(i, image)))
@@ -1673,7 +1681,7 @@ def dumptree(part, lvl):
 def writecode(image):
        filename = os.path.join(img_dir, "static.c")
        print "Creating", filename
-       file = open(filename, 'w+')
+       file = safe_open(filename, 'w+')
        # gen all the forward references
 
        i = 0
@@ -1730,7 +1738,8 @@ if __name__=='__main__':
 
        # Now read in the customizing script...
        loc.push(argv[1])
-       if (not parse('board', open(argv[1], 'r').read())):
+       fp = safe_open(argv[1], 'r')
+       if (not parse('board', fp.read())):
                fatal("Could not parse file")
        loc.pop()