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Move libcap use to (Linux) platform-specific code

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The libcap code is Linux-specific so move it all below
the linux/ platform subdirectory.  As this feature has
custom command-line long options I provide a mechanism
whereby each platform can add custom long options that
augment the main htop options.  We'll make use this of
this with the pcp/ platform in due course to implement
the --host and --archive options there.

Related to https://github.com/htop-dev/htop/pull/536
This commit is contained in:
Nathan Scott
2021-03-17 14:29:40 +11:00
parent 57e0ce7b4f
commit 0ada9f325f
9 changed files with 220 additions and 164 deletions
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15
linux/Platform.h
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@ -27,6 +27,19 @@ in the source distribution for its full text.
#define PATH_MAX 4096
#endif
#ifdef HAVE_LIBCAP
#define PLATFORM_LONG_OPTIONS \
{"drop-capabilities", optional_argument, 0, 128},
#define PLATFORM_LONG_OPTIONS_USAGE \
" --drop-capabilities[=none|basic|strict] Drop Linux capabilities when running as root\n" \
" none - do not drop any capabilities\n" \
" basic (default) - drop all capabilities not needed by htop\n" \
" strict - drop all capabilities except those needed for core functionality\n"
#else
#define PLATFORM_LONG_OPTIONS
#define PLATFORM_LONG_OPTIONS_USAGE
#endif
extern const ProcessField Platform_defaultFields[];
@ -82,4 +95,6 @@ static inline void Platform_getRelease(char** string) {
*string = Generic_uname();
}
bool Platform_getLongOption(int opt, int argc, char** argv);
#endif