diff options
author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2006-02-21 01:59:00 -0500 |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 2006-02-27 12:30:37 -0500 |
commit | 2fd628fe25e1f3d07996b0dab728ea0702f81306 (patch) | |
tree | f57882e33f96141ba59f8f188e8797adb40e42b0 /arch/mips/kernel/linux32.c | |
parent | 92f22c183cd669c8575767fede8fe43bb4f7bce9 (diff) |
[MIPS] Use generic compat routines for readdir, getdents
Not just cleanup but also fixes O32 readdir(2) emulation.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/linux32.c')
-rw-r--r-- | arch/mips/kernel/linux32.c | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index 5f68b220c26d..e00e5f6e7fdd 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c | |||
@@ -161,60 +161,6 @@ out: | |||
161 | return error; | 161 | return error; |
162 | } | 162 | } |
163 | 163 | ||
164 | struct dirent32 { | ||
165 | unsigned int d_ino; | ||
166 | unsigned int d_off; | ||
167 | unsigned short d_reclen; | ||
168 | char d_name[NAME_MAX + 1]; | ||
169 | }; | ||
170 | |||
171 | static void | ||
172 | xlate_dirent(void *dirent64, void *dirent32, long n) | ||
173 | { | ||
174 | long off; | ||
175 | struct dirent *dirp; | ||
176 | struct dirent32 *dirp32; | ||
177 | |||
178 | off = 0; | ||
179 | while (off < n) { | ||
180 | dirp = (struct dirent *)(dirent64 + off); | ||
181 | dirp32 = (struct dirent32 *)(dirent32 + off); | ||
182 | off += dirp->d_reclen; | ||
183 | dirp32->d_ino = dirp->d_ino; | ||
184 | dirp32->d_off = (unsigned int)dirp->d_off; | ||
185 | dirp32->d_reclen = dirp->d_reclen; | ||
186 | strncpy(dirp32->d_name, dirp->d_name, dirp->d_reclen - ((3 * 4) + 2)); | ||
187 | } | ||
188 | return; | ||
189 | } | ||
190 | |||
191 | asmlinkage long | ||
192 | sys32_getdents(unsigned int fd, void * dirent32, unsigned int count) | ||
193 | { | ||
194 | long n; | ||
195 | void *dirent64; | ||
196 | |||
197 | dirent64 = (void *)((unsigned long)(dirent32 + (sizeof(long) - 1)) & ~(sizeof(long) - 1)); | ||
198 | if ((n = sys_getdents(fd, dirent64, count - (dirent64 - dirent32))) < 0) | ||
199 | return(n); | ||
200 | xlate_dirent(dirent64, dirent32, n); | ||
201 | return(n); | ||
202 | } | ||
203 | |||
204 | asmlinkage int old_readdir(unsigned int fd, void * dirent, unsigned int count); | ||
205 | |||
206 | asmlinkage int | ||
207 | sys32_readdir(unsigned int fd, void * dirent32, unsigned int count) | ||
208 | { | ||
209 | int n; | ||
210 | struct dirent dirent64; | ||
211 | |||
212 | if ((n = old_readdir(fd, &dirent64, count)) < 0) | ||
213 | return(n); | ||
214 | xlate_dirent(&dirent64, dirent32, dirent64.d_reclen); | ||
215 | return(n); | ||
216 | } | ||
217 | |||
218 | asmlinkage int | 164 | asmlinkage int |
219 | sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr, int options) | 165 | sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr, int options) |
220 | { | 166 | { |