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- /* $Id$ */
- #include <sys/types.h>
- #include <sys/dir.h>
- #ifndef __BSD4_2
- /*
- * read an old stlye directory entry and present it as a new one
- */
- #define ODIRSIZ 14
- struct olddirect {
- ino_t od_ino;
- char od_name[ODIRSIZ];
- };
- #else
- #define olddirect direct
- #endif
- /*
- * get next entry in a directory.
- */
- struct direct *readdir(dirp)
- register DIR *dirp;
- {
- register struct olddirect *dp;
- static struct direct dir;
- for (;;) {
- if (dirp->dd_loc == -1) {
- dirp->dd_size = read(dirp->dd_fd, dirp->dd_buf,
- dirp->dd_bsize);
- if (dirp->dd_size <= 0) {
- dirp->dd_size = 0;
- return NULL;
- }
- dirp->dd_loc = 0;
- #ifdef __BSD4_2
- if (! ((struct direct *) dirp->dd_buf)->d_ino) {
- dirp->dd_loc = ((struct direct *)dirp->dd_buf)->d_reclen;
- }
- #endif
- }
- if (dirp->dd_loc >= dirp->dd_size) {
- dirp->dd_loc = -1;
- continue;
- }
- dp = (struct olddirect *) (dirp->dd_buf + dirp->dd_loc);
- #ifndef __BSD4_2
- dirp->dd_loc += sizeof (struct olddirect);
- if (dp->od_ino == 0)
- continue;
- dir.d_ino = dp->od_ino;
- strncpy(dir.d_name, dp->od_name, ODIRSIZ);
- dir.d_name[ODIRSIZ] = '\0'; /* insure null termination */
- dir.d_reclen = DIRSIZ(&dir);
- dir.d_namlen = strlen(dir.d_name);
- #else
- dirp->dd_loc += dp->d_reclen;
- dir.d_ino = dp->d_ino;
- strcpy(dir.d_name, dp->d_name);
- dir.d_reclen = dp->d_reclen;
- dir.d_namlen = dp->d_namlen;
- #endif
- return &dir;
- }
- }
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