On Sun, 16 Jan 2011 13:41:31 +0100
Paul Menzel <paulepanter@xxxxxxxxxxxxxxxxxxxxx> wrote:
> From: Khem Raj <raj.khem@xxxxxxxxx>
> Date: Sat Jan 15 16:37:19 2011 -0800
>
> uClibc does not provide `posix_fallocate` so use `ftruncate`.
Hmm, what posix_fallocate does is identical to what ftruncate does in
this situation?
We avoid to adding #ifdef to *.c like linux kernel coding
style. Please add #ifdef to *.h instead.
You can do something like this:
diff --git a/usr/tgtimg.c b/usr/tgtimg.c
index 169207a..8ca2a4d 100644
--- a/usr/tgtimg.c
+++ b/usr/tgtimg.c
@@ -38,6 +38,7 @@
#include "ssc.h"
#include "libssc.h"
#include "scsi.h"
+#include "util.h"
#define NO_LOGGING
#include "log.h"
@@ -438,7 +439,7 @@ static int sbc_new(int op, char *path, char *capacity, char *media_type)
perror("Failed creating file");
exit(2);
}
- if (posix_fallocate(fd, 0, size*1024*1024LL) == -1) {
+ if (__fallocate(fd, 0, size*1024*1024LL) == -1) {
perror("posix_fallocate failed.");
exit(3);
}
diff --git a/usr/util.h b/usr/util.h
index 9530d2a..4a0e303 100644
--- a/usr/util.h
+++ b/usr/util.h
@@ -159,4 +159,16 @@ struct signalfd_siginfo {
};
#endif
+#ifndef __UCLIBC__
+static inline int __fallocate(int fd, off_t offset, off_t len)
+{
+ return posix_fallocate(fd, offset, len);
+}
+#else
+static inline int __fallocate(int fd, off_t offset, off_t len)
+{
+ return 0
+}
+#endif
+
#endif
--
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