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Radim Krčmář authored
A simple test: printf(".%8p.\n", (void *)0); printf(".%-8p.\n", (void *)0); printf(".%8p.\n", (void *)1); printf(".%-8p.\n", (void *)1); printf(".%8p.\n", (void *)0x123456); printf(".%-8p.\n", (void *)0x123456); printf(".%2p.\n", (void *)0); printf(".%-2p.\n", (void *)0); printf(".%2p.\n", (void *)1); printf(".%-2p.\n", (void *)1); glibc: . (nil). .(nil) . . 0x1. .0x1 . .0x123456. .0x123456. .(nil). .(nil). .0x1. .0x1. before patch: . 0x 0. .0x 0 . . 0x 1. .0x 1 . . 0x 123456. .0x 123456 . .0x 0. .0x0 . .0x 1. .0x1 . after patch: . 0. .0 . . 0x1. .0x1 . .0x123456. .0x123456. . 0. .0 . .0x1. .0x1. (nil) would be possible with a small change, but the standard leaves it to the implementation and 0 is acceptable, IMO. Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
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