am de90b030: Merge "A build property\'s value is returned empty in runtime when its length exceeds 92 symbols (91 valid symbols + \0). It is better to catch that issue on earlier stage, i.e. fail the build with an appropriate message."

* commit 'de90b0307a603449354bb2d265c5b2315b7b6850':
  A build property's value is returned empty in runtime when its length exceeds 92 symbols (91 valid symbols + \0). It is better to catch that issue on earlier stage, i.e. fail the build with an appropriate message.
This commit is contained in:
Ying Wang 2014-02-12 19:22:53 +00:00 committed by Android Git Automerger
commit ca23f57c41

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@ -19,7 +19,27 @@ import sys
# Put the modifications that you need to make into the /system/build.prop into this
# function. The prop object has get(name) and put(name,value) methods.
def mangle_build_prop(prop):
pass
buildprops=prop.buildprops
check_pass=True
for key in buildprops:
# Check build properties' length.
# Terminator(\0) added into the provided value of properties
# Total length (including terminator) will be no greater that PROP_VALUE_MAX(92).
if len(buildprops[key]) > 91:
# If dev build, show a warning message, otherwise fail the build with error message
if prop.get("ro.build.version.incremental").startswith("eng"):
sys.stderr.write("warning: " + key + " exceeds 91 symbols: ")
sys.stderr.write(buildprops[key])
sys.stderr.write("(" + str(len(buildprops[key])) + ") \n")
sys.stderr.write("warning: This will cause the " + key + " ")
sys.stderr.write("property return as empty at runtime\n")
else:
check_pass=False
sys.stderr.write("error: " + key + " cannot exceed 91 symbols: ")
sys.stderr.write(buildprops[key])
sys.stderr.write("(" + str(len(buildprops[key])) + ") \n")
if not check_pass:
sys.exit(1)
# Put the modifications that you need to make into the /system/build.prop into this
# function. The prop object has get(name) and put(name,value) methods.
@ -40,8 +60,19 @@ def mangle_default_prop(prop):
prop.put("persist.sys.usb.config", "none");
class PropFile:
buildprops={}
def __init__(self, lines):
self.lines = [s[:-1] for s in lines]
for line in self.lines:
line=line.strip()
if not line.strip() or line.startswith("#"):
continue
index=line.find("=")
key=line[0:index]
value=line[index+1:]
self.buildprops[key]=value
def get(self, name):
key = name + "="