diff options
Diffstat (limited to 'StdLib/Include/unistd.h')
| -rw-r--r-- | StdLib/Include/unistd.h | 66 |
1 files changed, 65 insertions, 1 deletions
diff --git a/StdLib/Include/unistd.h b/StdLib/Include/unistd.h index 4d738c64b6..b2fd92358a 100644 --- a/StdLib/Include/unistd.h +++ b/StdLib/Include/unistd.h @@ -25,6 +25,12 @@ #define F_TLOCK 2
#define F_TEST 3
+/* access function */
+#define F_OK 0 /* test for existence of file */
+#define X_OK 0x01 /* test for execute or search permission */
+#define W_OK 0x02 /* test for write permission */
+#define R_OK 0x04 /* test for read permission */
+
__BEGIN_DECLS
int dup(int);
@@ -41,6 +47,65 @@ int usleep(useconds_t); unsigned int sleep(unsigned int);
char *basename(char *path);
+#ifndef GETCWD_DECLARED
+ /** Gets the current working directory.
+
+ The getcwd() function shall place an absolute pathname of the current
+ working directory in the array pointed to by buf, and return buf. The
+ pathname copied to the array shall contain no components that are
+ symbolic links. The size argument is the size in bytes of the character
+ array pointed to by the buf argument.
+
+ @param[in,out] Buf The buffer to fill.
+ @param[in] BufSize The number of bytes in buffer.
+
+ @retval NULL The function failed.
+ @retval NULL Buf was NULL.
+ @retval NULL Size was 0.
+ @return buf The function completed successfully. See errno for info.
+ **/
+ char *getcwd(char *Buf, size_t BufSize);
+ #define GETCWD_DECLARED
+#endif
+
+#ifndef CHDIR_DECLARED
+ /** Change the current working directory.
+
+ The chdir() function shall cause the directory named by the pathname
+ pointed to by the path argument to become the current working directory;
+ that is, the starting point for path searches for pathnames not beginning
+ with '/'.
+
+ @param[in] Path The new path to set.
+
+ @todo Add non-shell CWD changing.
+ **/
+ int chdir(const char *Path);
+#define CHDIR_DECLARED
+#endif
+
+/** Determine accessibility of a file.
+ The access() function checks the file, named by the pathname pointed to by
+ the Path argument, for accessibility according to the bit pattern contained
+ in Mode.
+
+ The value of Mode is either the bitwise-inclusive OR of the access
+ permissions to be checked (R_OK, W_OK, X_OK) or the existence test (F_OK).
+
+ If Path ends in '/' or '\\', the target must be a directory, otherwise it doesn't matter.
+ A file is executable if it is NOT a directory and it ends in ".efi".
+
+ @param[in] Path Path or name of the file to be checked.
+ @param[in] Mode Access permissions to check for.
+
+ @retval 0 Successful completion.
+ @retval -1 File is not accessible with the given Mode. The error condition
+ is indicated by errno. Values of errno specific to the access
+ function include: EACCES, ENOENT, ENOTDIR, ENAMETOOLONG
+**/
+int access(const char *Path, int Mode);
+pid_t getpid(void);
+
// Networking
long gethostid(void);
int gethostname(char *, size_t);
@@ -77,7 +142,6 @@ gid_t getegid(void); uid_t geteuid(void);
gid_t getgid(void);
int getgroups(int, gid_t []);
-pid_t getpid(void);
pid_t getppid(void);
int link(const char *, const char *);
long pathconf(const char *, int);
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