[libvirt] [PATCH] Replace truncate() with ftruncate()
From: "Daniel P. Berrange" <berrange(a)redhat.com>
Mingw32 does not have any truncate() API defined, but it does
have ftruncate(). So replace use of the former with the latter
---
src/util/storage_file.c | 23 ++++++++++++++++++++---
1 files changed, 20 insertions(+), 3 deletions(-)
diff --git a/src/util/storage_file.c b/src/util/storage_file.c
index 8260adb..a8661e3 100644
--- a/src/util/storage_file.c
+++ b/src/util/storage_file.c
@@ -939,12 +939,29 @@ virStorageFileFreeMetadata(virStorageFileMetadata *meta)
int
virStorageFileResize(const char *path, unsigned long long capacity)
{
- if (truncate(path, capacity) < 0) {
+ int fd = -1;
+ int ret = -1;
+
+ if ((fd = open(path, O_RDWR)) < 0) {
+ virReportSystemError(errno, _("Unable to open '%s'"), path);
+ goto cleanup;
+ }
+
+ if (ftruncate(fd, capacity) < 0) {
virReportSystemError(errno, _("Failed to truncate file '%s'"),
path);
- return -1;
+ goto cleanup;
}
- return 0;
+ if (VIR_CLOSE(fd) < 0) {
+ virReportSystemError(errno, _("Unable to save '%s'"), path);
+ goto cleanup;
+ }
+
+ ret = 0;
+
+cleanup:
+ VIR_FORCE_CLOSE(fd);
+ return ret;
}
#ifdef __linux__
--
1.7.7.6