* *
* C Header File *
* *
- * Copyright (C) 1992-2009, Free Software Foundation, Inc. *
+ * Copyright (C) 1992-2010, Free Software Foundation, Inc. *
* *
* GNAT is free software; you can redistribute it and/or modify it under *
* terms of the GNU General Public License as published by the Free Soft- *
#define Encoding_8bits 1 /* Standard 8bits, CP_ACP on Windows. */
#define Encoding_Unspecified 2 /* Based on GNAT_CODE_PAGE env variable. */
-/* Large file support. It is unclear what portable mechanism we can
- use to determine at compile time what support the system offers for
- large files. For now we just list the platforms we have manually
- tested. */
-
-#if defined (__GLIBC__) || defined (sun) || defined (__sgi)
-#define FOPEN fopen64
-#define STAT stat64
-#define FSTAT fstat64
-#define LSTAT lstat64
-#define STRUCT_STAT struct stat64
+/* Large file support. It is unclear what portable mechanism we can use to
+ determine at compile time what support the system offers for large files.
+ For now we just list the platforms we have manually tested. */
+
+#if defined (__GLIBC__) || defined (sun) || (defined (__sgi) && defined(_LFAPI))
+#define GNAT_FOPEN fopen64
+#define GNAT_STAT stat64
+#define GNAT_FSTAT fstat64
+#define GNAT_LSTAT lstat64
+#define GNAT_STRUCT_STAT struct stat64
+#else
+#define GNAT_FOPEN fopen
+#define GNAT_STAT stat
+#define GNAT_FSTAT fstat
+#define GNAT_LSTAT lstat
+#define GNAT_STRUCT_STAT struct stat
+#endif
+
+/* Type corresponding to GNAT.OS_Lib.OS_Time */
+#if defined (_WIN64)
+typedef long long OS_Time;
#else
-#define FOPEN fopen
-#define STAT stat
-#define FSTAT fstat
-#define LSTAT lstat
-#define STRUCT_STAT struct stat
+typedef long OS_Time;
#endif
-typedef long OS_Time; /* Type corresponding to GNAT.OS_Lib.OS_Time */
+/* A lazy cache for the attributes of a file. On some systems, a single call to
+ stat() will give all this information, so it is better than doing a system
+ call every time. On other systems this require several system calls.
+*/
+
+struct file_attributes {
+ unsigned char exists;
+
+ unsigned char writable;
+ unsigned char readable;
+ unsigned char executable;
+
+ unsigned char symbolic_link;
+ unsigned char regular;
+ unsigned char directory;
+
+ OS_Time timestamp;
+ long file_length;
+};
+/* WARNING: changing the size here might require changing the constant
+ * File_Attributes_Size in osint.ads (which should be big enough to
+ * fit the above struct on any system)
+ */
extern int __gnat_max_path_len;
extern OS_Time __gnat_current_time (void);
extern int __gnat_get_maximum_file_name_length (void);
extern int __gnat_get_switches_case_sensitive (void);
extern int __gnat_get_file_names_case_sensitive (void);
+extern int __gnat_get_env_vars_case_sensitive (void);
extern char __gnat_get_default_identifier_character_set (void);
extern void __gnat_get_current_dir (char *, int *);
extern void __gnat_get_object_suffix_ptr (int *,
extern int __gnat_open_new_temp (char *, int);
extern int __gnat_mkdir (char *);
extern int __gnat_stat (char *,
- STRUCT_STAT *);
+ GNAT_STRUCT_STAT *);
extern int __gnat_unlink (char *);
extern int __gnat_rename (char *, char *);
extern int __gnat_chdir (char *);
extern void __gnat_set_file_time_name (char *, time_t);
-extern int __gnat_dup (int);
-extern int __gnat_dup2 (int, int);
-extern int __gnat_file_exists (char *);
-extern int __gnat_is_regular_file (char *);
-extern int __gnat_is_absolute_path (char *,int);
-extern int __gnat_is_directory (char *);
+extern int __gnat_dup (int);
+extern int __gnat_dup2 (int, int);
+extern int __gnat_file_exists (char *);
+extern int __gnat_is_regular_file (char *);
+extern int __gnat_is_absolute_path (char *,int);
+extern int __gnat_is_directory (char *);
extern int __gnat_is_writable_file (char *);
extern int __gnat_is_readable_file (char *name);
-extern int __gnat_is_executable_file (char *name);
+extern int __gnat_is_executable_file (char *name);
+
+extern void __gnat_reset_attributes (struct file_attributes* attr);
+extern long __gnat_file_length_attr (int, char *, struct file_attributes *);
+extern OS_Time __gnat_file_time_name_attr (char *, struct file_attributes *);
+extern OS_Time __gnat_file_time_fd_attr (int, struct file_attributes *);
+extern int __gnat_file_exists_attr (char *, struct file_attributes *);
+extern int __gnat_is_regular_file_attr (char *, struct file_attributes *);
+extern int __gnat_is_directory_attr (char *, struct file_attributes *);
+extern int __gnat_is_readable_file_attr (char *, struct file_attributes *);
+extern int __gnat_is_writable_file_attr (char *, struct file_attributes *);
+extern int __gnat_is_executable_file_attr (char *, struct file_attributes *);
+extern int __gnat_is_symbolic_link_attr (char *, struct file_attributes *);
+
extern void __gnat_set_non_writable (char *name);
extern void __gnat_set_writable (char *name);
extern void __gnat_set_executable (char *name);
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