mirror of git://git.musl-libc.org/musl
add getauxval function
in a sense this implementation is incomplete since it doesn't provide the HWCAP_* macros for use with AT_HWCAP, which is perhaps the most important intended usage case for getauxval. they will be added at a later time.
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#ifndef _SYS_AUXV_H
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#define _SYS_AUXV_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <elf.h>
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unsigned long getauxval(unsigned long);
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#ifdef __cplusplus
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}
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#endif
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#endif
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#include <sys/auxv.h>
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#include <errno.h>
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#include "libc.h"
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unsigned long getauxval(unsigned long item)
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{
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size_t *auxv = libc.auxv;
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for (; *auxv; auxv+=2)
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if (*auxv==item) return auxv[1];
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errno = ENOENT;
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return 0;
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}
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