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Replace lsdir system call by readdir, isdir system calls,
[pintos-anon]
/
src
/
lib
/
user
/
syscall.h
diff --git
a/src/lib/user/syscall.h
b/src/lib/user/syscall.h
index d03eae163ef371956b911277f75575637da18053..340d1b15fea253155bbe30c50eb7bc9cb73ee383 100644
(file)
--- a/
src/lib/user/syscall.h
+++ b/
src/lib/user/syscall.h
@@
-10,6
+10,8
@@
typedef int pid_t;
typedef int mapid_t;
#define MAP_FAILED ((mapid_t) -1)
typedef int mapid_t;
#define MAP_FAILED ((mapid_t) -1)
+#define READDIR_MAX_LEN 14
+
void halt (void) NO_RETURN;
void exit (int status) NO_RETURN;
pid_t exec (const char *file);
void halt (void) NO_RETURN;
void exit (int status) NO_RETURN;
pid_t exec (const char *file);
@@
-27,6
+29,7
@@
mapid_t mmap (int fd, void *addr);
void munmap (mapid_t);
bool chdir (const char *dir);
bool mkdir (const char *dir);
void munmap (mapid_t);
bool chdir (const char *dir);
bool mkdir (const char *dir);
-void lsdir (void);
+bool readdir (int fd, char name[READDIR_MAX_LEN + 1]);
+bool isdir (int fd);
#endif /* lib/user/syscall.h */
#endif /* lib/user/syscall.h */