Clarified comments.

[libucw.git] / lib / config.h

diff --git a/lib/config.h b/lib/config.h
index c601cd2848da370b139b5cc9fb1ee737a770f66b..22140f203936af25076dc475185fcbaa6c68cd1f 100644 (file)
--- a/lib/config.h
+++ b/lib/config.h
@@ -1,7 +1,8 @@
 /*
  *     UCW Library -- Configuration-Dependent Definitions
  *
- *     (c) 1997--2004 Martin Mares <mj@ucw.cz>
+ *     (c) 1997--2007 Martin Mares <mj@ucw.cz>
+ *     (c) 2006 Robert Spalek <robert@ucw.cz>
  *
  *     This software may be freely distributed and used according to the terms
  *     of the GNU Lesser General Public License.
@@ -14,26 +15,31 @@
 
 #include "lib/autoconf.h"
 
-/* Types */
+/* Tell libc we're going to use all extensions available */
 
-typedef unsigned char byte;            /* exactly 8 bits, unsigned */
-typedef signed char sbyte;             /* exactly 8 bits, signed */
-typedef unsigned short word;           /* exactly 16 bits, unsigned */
-typedef short sword;                   /* exactly 16 bits, signed */
-typedef unsigned short u16;            /* exactly 16 bits, unsigned */
-typedef short s16;                     /* exactly 16 bits, signed */
-typedef unsigned int u32;              /* exactly 32 bits, unsigned */
-typedef int s32;                       /* exactly 32 bits, signed */
-typedef unsigned int uns;              /* at least 32 bits */
-typedef unsigned long long int u64;    /* exactly 64 bits, unsigned */
-typedef long long int s64;             /* exactly 64 bits, signed */
-typedef unsigned long addr_int_t;      /* Both integer and address */
-typedef unsigned int sh_time_t;                /* Timestamp */
-
-#ifndef NULL
-#define NULL (void *)0
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
 #endif
 
+/* Types (based on standard C99 integers) */
+
+#include <stddef.h>
+#include <stdint.h>
+
+typedef uint8_t byte;                  /* exactly 8 bits, unsigned */
+typedef uint8_t u8;                    /* exactly 8 bits, unsigned */
+typedef int8_t s8;                     /* exactly 8 bits, signed */
+typedef uint16_t u16;                  /* exactly 16 bits, unsigned */
+typedef int16_t s16;                   /* exactly 16 bits, signed */
+typedef uint32_t u32;                  /* exactly 32 bits, unsigned */
+typedef int32_t s32;                   /* exactly 32 bits, signed */
+typedef uint64_t u64;                  /* exactly 64 bits, unsigned */
+typedef int64_t s64;                   /* exactly 64 bits, signed */
+
+typedef unsigned int uns;              /* at least 32 bits */
+typedef u32 sh_time_t;                 /* seconds since UNIX epoch */
+typedef s64 timestamp_t;               /* milliseconds since UNIX epoch */
+
 #ifdef CONFIG_LARGE_FILES              /* File positions */
 typedef s64 sh_off_t;
 #else