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2383d7a78e
On Linux PATH_MAX is 4096, but on some platforms it can be much larger or even not defined (ie. unlimited). Therefore using a PATH_MAX-sized stack buffer is not a great idea for portable programs. This change removes use of PATH_MAX-sized stack-allocated buffers. This change only applies to the library and standalone programs. Inside the daemon, memory allocation is much more complicated so I have not changed those (yet). Found by 'make syntax-check'.
This is a test tool, not a comprehensive test, but a "does it basically function" test, which can be packaged and given to end users. It also collects and prints a lot of internal debug information, which is useful in bug reports to track down appliance / qemu boot problems. For more information, please read the man page libguestfs-test-tool(1).