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Replace truncate() with ftruncate()

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Mingw32 does not have any truncate() API defined, but it does
have ftruncate(). So replace use of the former with the latter
This commit is contained in:
Daniel P. Berrange 2012-02-08 14:03:29 +00:00
parent 21fe874832
commit bc6bb3a3e8
1 changed files with 21 additions and 4 deletions
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25
src/util/storage_file.c
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@ -939,12 +939,29 @@ virStorageFileFreeMetadata(virStorageFileMetadata *meta)
int int
virStorageFileResize(const char *path, unsigned long long capacity) virStorageFileResize(const char *path, unsigned long long capacity)
{ {
if (truncate(path, capacity) < 0) { int fd = -1;
virReportSystemError(errno, _("Failed to truncate file '%s'"), path); int ret = -1;
return -1;
if ((fd = open(path, O_RDWR)) < 0) {
virReportSystemError(errno, _("Unable to open '%s'"), path);
goto cleanup;
} }
return 0; if (ftruncate(fd, capacity) < 0) {
virReportSystemError(errno, _("Failed to truncate file '%s'"), path);
goto cleanup;
}
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__ #ifdef __linux__