127 lines
3.6 KiB
Python
127 lines
3.6 KiB
Python
#!/usr/bin/env python3
|
|
|
|
import glob
|
|
import os
|
|
|
|
|
|
def checknonnull(cfg, functionName, nonnull):
|
|
pos1 = cfg.find('<function name="' + functionName + '">')
|
|
if pos1 < 0:
|
|
return
|
|
pos2 = cfg.find('</function>', pos1)
|
|
if pos2 < 0:
|
|
return
|
|
functionCfg = cfg[pos1:pos2]
|
|
s = None
|
|
for argnr in range(10):
|
|
argpos1 = functionCfg.find('<arg nr="' + str(argnr) + '">')
|
|
if argpos1 < 0:
|
|
continue
|
|
argpos2 = functionCfg.find('</arg>', argpos1)
|
|
notnullpos = functionCfg.find('not-null', argpos1)
|
|
if 0 <= notnullpos < argpos2:
|
|
if s:
|
|
s += ', ' + str(argnr)
|
|
else:
|
|
s = str(argnr)
|
|
if s != nonnull:
|
|
if not nonnull:
|
|
nonnull = ''
|
|
if not s:
|
|
s = ''
|
|
print(functionName + '\tglibc:' + nonnull + '\tcfg:' + s)
|
|
|
|
|
|
def parseheader(cppcheckpath, filename):
|
|
f = open(filename, 'rt')
|
|
data = f.read()
|
|
f.close()
|
|
|
|
f = open(cppcheckpath + '/cfg/std.cfg', 'rt')
|
|
stdcfg = f.read()
|
|
f.close()
|
|
|
|
f = open(cppcheckpath + '/cfg/posix.cfg', 'rt')
|
|
posixcfg = f.read()
|
|
f.close()
|
|
|
|
while '/*' in data:
|
|
pos1 = data.find('/*')
|
|
pos2 = data.find('*/', pos1 + 2)
|
|
data = data[:pos1] + data[pos2 + 2:]
|
|
|
|
data = data.replace('\\\n', '')
|
|
|
|
while '\n#' in data:
|
|
pos1 = data.find('\n#')
|
|
pos2 = data.find('\n', pos1 + 1)
|
|
data = data[:pos1] + data[pos2:]
|
|
|
|
while '\n__BEGIN' in data:
|
|
pos1 = data.find('\n__BEGIN')
|
|
pos2 = data.find('\n', pos1 + 1)
|
|
data = data[:pos1] + data[pos2:]
|
|
|
|
while '\n__END' in data:
|
|
pos1 = data.find('\n__END')
|
|
pos2 = data.find('\n', pos1 + 1)
|
|
data = data[:pos1] + data[pos2:]
|
|
|
|
data = data.replace('\n\n', '\n')
|
|
data = data.replace('\t', ' ')
|
|
data = data.replace(',\n ', ',')
|
|
data = data.replace(')\n ', ',')
|
|
data = data.replace(' ', ' ')
|
|
|
|
output = []
|
|
|
|
for line in data.split('\n'):
|
|
if (line[:7] != 'extern ' and ' extern ' not in line) or line[-1] != ';':
|
|
continue
|
|
|
|
functionNameEnd = line.find('(') - 1
|
|
if functionNameEnd < 0:
|
|
continue
|
|
while line[functionNameEnd] == ' ':
|
|
functionNameEnd -= 1
|
|
if functionNameEnd < 10:
|
|
continue
|
|
functionNameStart = functionNameEnd
|
|
while line[functionNameStart] == '_' or line[functionNameStart].isalnum():
|
|
functionNameStart -= 1
|
|
if functionNameStart < 10:
|
|
continue
|
|
if line[functionNameStart] != '*' and line[functionNameStart] != ' ':
|
|
continue
|
|
functionNameStart += 1
|
|
if not line[functionNameStart].isalpha():
|
|
continue
|
|
|
|
functionName = line[functionNameStart:functionNameEnd + 1]
|
|
|
|
nonnull = None
|
|
|
|
nonnullStart = line.find('__nonnull')
|
|
if nonnullStart >= 0:
|
|
nonnullStart += 9
|
|
while nonnullStart < len(line) and line[nonnullStart] == ' ':
|
|
nonnullStart += 1
|
|
if nonnullStart >= len(line) or line[nonnullStart] != '(':
|
|
continue
|
|
while line[nonnullStart] == '(':
|
|
nonnullStart += 1
|
|
nonnullEnd = line.find(')', nonnullStart)
|
|
nonnull = line[nonnullStart:nonnullEnd]
|
|
|
|
checknonnull(stdcfg, functionName, nonnull)
|
|
checknonnull(posixcfg, functionName, nonnull)
|
|
|
|
if nonnull:
|
|
s = functionName + ' ' + nonnull
|
|
if s not in output:
|
|
output.append(s)
|
|
|
|
|
|
for f in glob.glob('/usr/include/*.h'):
|
|
parseheader(os.path.expanduser('~/cppcheck'), f)
|