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8e667a065d
Without this fix, the bind4 and bind6 programs will reject bind attempts on big endian systems. This patch ensures that CI tests pass for the s390x architecture. Signed-off-by: Jordan Rife <jrife@google.com> Link: https://lore.kernel.org/r/20240429214529.2644801-2-jrife@google.com Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
19 lines
597 B
C
19 lines
597 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __BIND_PROG_H__
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#define __BIND_PROG_H__
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#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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#define load_byte(src, b, s) \
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(((volatile __u8 *)&(src))[b] << 8 * b)
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#define load_word(src, w, s) \
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(((volatile __u16 *)&(src))[w] << 16 * w)
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#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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#define load_byte(src, b, s) \
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(((volatile __u8 *)&(src))[(b) + (sizeof(src) - (s))] << 8 * ((s) - (b) - 1))
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#define load_word(src, w, s) \
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(((volatile __u16 *)&(src))[w] << 16 * (((s) / 2) - (w) - 1))
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#else
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# error "Fix your compiler's __BYTE_ORDER__?!"
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#endif
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#endif
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