Changeset 2559

Timestamp:

07/17/08 01:17:12 (3 months ago)

Author:

sam

Message:

• Support fsetpos64 on Linux.

Location:

zzuf/trunk

Files:

• configure.ac (modified) (1 diff)
• src/lib-stream.c (modified) (1 diff)

zzuf/trunk/configure.ac

@@ -84 +84 @@
 AC_DEFINE_UNQUOTED(FILE_PTR, $ac_v_fp_ptr, [Define to the FILE::ptr member name])
 
+dnl  On HP-UX, fpos64_t == int64_t, but on Linux it's a compound object.
+AC_MSG_CHECKING(how to access fpos64_t x)
+ac_v_fpos64_t="unknown"
+AC_TRY_COMPILE(
+ [#define _LARGEFILE64_SOURCE
+  #include <stdio.h>],
+ [fpos64_t x; long long int y = x.__pos;],
+ [ac_v_fpos64_t="(x).__pos"])
+AC_TRY_COMPILE(
+ [#define _LARGEFILE64_SOURCE
+  #include <stdio.h>],
+ [fpos64_t x; long long int y = (long long int)x;],
+ [ac_v_fpos64_t="(x)"])
+AC_MSG_RESULT($ac_v_fpos64_t)
+AC_DEFINE_UNQUOTED(FPOS_CAST(x), $ac_v_fpos64_t, [Define to a macro for accessing an fpos64_t variable])
+
 AC_MSG_CHECKING(for pragma INIT/FINI)
 AC_TRY_COMPILE([],

zzuf/trunk/src/lib-stream.c

@@ -308 +308 @@
         _zz_unlock(fd); \
         debug("%s([%i], %lli) = %i", __func__, \
-              fd, (long long int)*pos, ret); \
-        /* On HP-UX at least, fpos64_t == int64_t */ \
-        _zz_setpos(fd, (int64_t)*pos); \
+              fd, (long long int)FPOS_CAST(*pos), ret); \
+        _zz_setpos(fd, (int64_t)FPOS_CAST(*pos)); \
     } \
     while(0)