diff options
Diffstat (limited to 'mdk-stage1/dietlibc/lib/readdir64.c')
-rw-r--r-- | mdk-stage1/dietlibc/lib/readdir64.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/lib/readdir64.c b/mdk-stage1/dietlibc/lib/readdir64.c new file mode 100644 index 000000000..b9b0aafcc --- /dev/null +++ b/mdk-stage1/dietlibc/lib/readdir64.c @@ -0,0 +1,62 @@ +#include "dietfeatures.h" +#include "dietdirent.h" +#include <unistd.h> +#include <dirent.h> +#include <stdlib.h> +#include <errno.h> +#include <string.h> +#include "syscalls.h" + +#ifndef __NR_getdents64 +#define WANT_LARGEFILE_BACKCOMPAT +#endif + +#ifndef WANT_LARGEFILE_BACKCOMPAT +struct dirent64* readdir64(DIR *d) { + if (!d->num || (d->cur += ((struct dirent64*)(d->buf+d->cur))->d_reclen)>=d->num) { + int res=getdents64(d->fd,(struct dirent64*)d->buf, sizeof (d->buf)-1); + if (res<=0) return 0; + d->num=res; d->cur=0; + } + return (struct dirent64*)(d->buf+d->cur); +} +#else +struct dirent64* readdir64(DIR *d) { +#ifdef __NR_getdents64 + static int trygetdents64=1; +#endif + struct dirent* o; + static struct dirent64 d64; +again: +#ifdef __NR_getdents64 + if (!trygetdents64) { +#endif + if (!d->num || (d->cur += ((struct dirent*)(d->buf+d->cur))->d_reclen)>=d->num) { + int res=getdents(d->fd,(struct dirent*)d->buf, sizeof (d->buf)-1); + if (res<=0) return 0; + d->num=res; d->cur=0; + } + o=(struct dirent*)(d->buf+d->cur); + d64.d_ino=o->d_ino; + d64.d_off=o->d_off; + d64.d_reclen=o->d_reclen; + strcpy(d64.d_name,o->d_name); + d64.d_type=0; /* is this correct? */ + return &d64; +#ifdef __NR_getdents64 + } + if (!d->num || (d->cur += ((struct dirent64*)(d->buf+d->cur))->d_reclen)>=d->num) { + int res=getdents64(d->fd,(struct dirent64*)d->buf,sizeof (d->buf)); + if (res<=0) { + if (errno==ENOSYS) { + trygetdents64=0; + goto again; + } + return 0; + } + d->num=res; d->cur=0; + } + return (struct dirent64*)(d->buf+d->cur); +#endif +} +#endif |