Lennart Poettering
e6a7ec4b8e
This adds IOVEC_INIT() and IOVEC_MAKE() for initializing iovec structures from a pointer and a size. On top of these IOVEC_INIT_STRING() and IOVEC_MAKE_STRING() are added which take a string and automatically determine the size of the string using strlen(). This patch removes the old IOVEC_SET_STRING() macro, given that IOVEC_MAKE_STRING() is now useful for similar purposes. Note that the old IOVEC_SET_STRING() invocations were two characters shorter than the new ones using IOVEC_MAKE_STRING(), but I think the new syntax is more readable and more generic as it simply resolves to a C99 literal structure initialization. Moreover, we can use very similar syntax now for initializing strings and pointer+size iovec entries. We canalso use the new macros to initialize function parameters on-the-fly or array definitions. And given that we shouldn't have so many ways to do the same stuff, let's just settle on the new macros. (This also converts some code to use _cleanup_ where dynamically allocated strings were using IOVEC_SET_STRING() before, to modernize things a bit)
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