4688b08984
Fixup for d2ebd50d7f9740dcf30e84efc75610af173967d2 and 6920049fad4fa39db5fec712f82f7f75b98fd4b9: - add a comment that the last arg must be NULL and adjust the assert. - move initialization around so that fields are declared, initialized, and consumed in the same order. - move declaration of pos adjacent do declaration of command_line. This makes it easy to see that it was not initialized correctly. - initialize buffers before writing the pointer into the args array. This makes no difference for the compiler, but it just feels "wrong" to do it in opposite order. Because pos was off, we would ignore args after the timeout, and also overwrite the buffer if enough args were used. I think this is case shows clearly that declaring all variables at the top of the function, with some initialized and other not, is very error-prone. The compiler has no issue with declaring variables whereever, and we should take advantage of this to make it keep declaration, initialization, and use close. (Within reason of course.)
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