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Windows / macOS: simplify code

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1. simplify resource management by using C++ RAII like GCC attribute extension `cleanup`
2. simplify HEKY reading

Actually `__attribute__((__cleanup__(cleanupFn)))` is supported on all major C compiler ( gcc, clang and icc ) except MSVC I only used it on Windows and macOS for now. Let's see if the project author like it.
This commit is contained in:
李通洲
2022-11-13 00:04:34 +08:00
parent fb78d9bbb9
commit e8e586ce7c
12 changed files with 72 additions and 75 deletions
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src/detection/packages/packages_apple.c
+3 -7
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@@ -27,7 +27,7 @@ static uint32_t getNumElements(const char* dirname, unsigned char type)
static uint32_t countBrewPackages(const char* dirname)
{
FFstrbuf baseDir;
FF_STRBUF_AUTO_DESTROY baseDir;
ffStrbufInitS(&baseDir, dirname);
uint32_t result = 0;
@@ -41,7 +41,6 @@ static uint32_t countBrewPackages(const char* dirname)
result += getNumElements(baseDir.chars, DT_DIR);
ffStrbufSubstrBefore(&baseDir, baseDirLength);
ffStrbufDestroy(&baseDir);
return result;
}
@@ -59,14 +58,11 @@ static uint32_t getBrewPackages()
static uint32_t countMacPortsPackages(const char* dirname)
{
FFstrbuf baseDir;
FF_STRBUF_AUTO_DESTROY baseDir;
ffStrbufInitS(&baseDir, dirname);
ffStrbufAppendS(&baseDir, "/var/macports/software");
uint32_t result = getNumElements(baseDir.chars, DT_DIR);
ffStrbufDestroy(&baseDir);
return result;
return getNumElements(baseDir.chars, DT_DIR);
}
static uint32_t getMacPortsPackages()