f14fb60209
* Updating common/lib * Updating lib/csu * Updating lib/libc * Updating libexec/ld.elf_so * Corrected test on __minix in featuretest to actually follow the meaning of the comment. * Cleaned up _REENTRANT-related defintions. * Disabled -D_REENTRANT for libfetch * Removing some unneeded __NBSD_LIBC defines and tests Change-Id: Ic1394baef74d11b9f86b312f5ff4bbc3cbf72ce2
62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
/* $NetBSD: compat_readdir.c,v 1.3 2012/02/08 12:10:17 mbalmer Exp $ */
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#define __LIBC12_SOURCE__
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#include "namespace.h"
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#include <sys/param.h>
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#include <dirent.h>
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#include <errno.h>
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#include <string.h>
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#include <limits.h>
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#include <compat/include/dirent.h>
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#ifdef __weak_alias
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__weak_alias(readdir,_readdir)
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__weak_alias(readdir_r,_readdir_r)
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#endif
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#ifdef __warn_references
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__warn_references(readdir,
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"warning: reference to compatibility readdir(); include <dirent.h> for correct reference")
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__warn_references(readdir_r,
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"warning: reference to compatibility readdir_r(); include <dirent.h> for correct reference")
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#endif
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static struct dirent12 *
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direnttodirent12(struct dirent12 *d12, const struct dirent *d)
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{
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if (d == NULL)
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return NULL;
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if (d->d_fileno > UINT_MAX || d->d_namlen >= sizeof(d12->d_name)) {
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errno = ERANGE;
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return NULL;
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}
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d12->d_fileno = (uint32_t)d->d_fileno;
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d12->d_reclen = (uint16_t)d->d_reclen;
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d12->d_namlen = (uint8_t)MIN(d->d_namlen, sizeof(d->d_name) - 1);
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d12->d_type = (uint8_t)d->d_type;
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memcpy(d12->d_name, d->d_name, (size_t)d12->d_namlen);
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d12->d_name[d12->d_namlen] = '\0';
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return d12;
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}
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struct dirent12 *
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readdir(DIR *dirp)
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{
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static struct dirent12 d12;
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return direnttodirent12(&d12, __readdir30(dirp));
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}
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int
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readdir_r(DIR *dirp, struct dirent12 *entry, struct dirent12 **result)
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{
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int error;
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struct dirent e, *ep;
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if ((error = __readdir_r30(dirp, &e, &ep)) != 0)
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return error;
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*result = entry;
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(void)direnttodirent12(entry, &e);
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return 0;
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}
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