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storage: rearrange functions

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No semantic change; done so the next patch doesn't need a forward
declaration of a static function.

* src/util/virstoragefile.c (virStorageFileProbeFormatFromBuf):
Hoist earlier.
This commit is contained in:
Eric Blake 2013-02-06 16:54:08 -07:00
parent c51c3e45d5
commit 5e4946d4d9
1 changed files with 41 additions and 41 deletions
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82
src/util/virstoragefile.c
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@ -616,6 +616,47 @@ virBackingStoreIsFile(const char *backing)
return true;
}
static int
virStorageFileProbeFormatFromBuf(const char *path,
unsigned char *buf,
size_t buflen)
{
int format = VIR_STORAGE_FILE_RAW;
int i;
int possibleFormat = VIR_STORAGE_FILE_RAW;
VIR_DEBUG("path=%s", path);
/* First check file magic */
for (i = 0 ; i < VIR_STORAGE_FILE_LAST ; i++) {
if (virStorageFileMatchesMagic(i, buf, buflen)) {
if (!virStorageFileMatchesVersion(i, buf, buflen)) {
possibleFormat = i;
continue;
}
format = i;
goto cleanup;
}
}
if (possibleFormat != VIR_STORAGE_FILE_RAW)
VIR_WARN("File %s matches %s magic, but version is wrong. "
"Please report new version to libvir-list@redhat.com",
path, virStorageFileFormatTypeToString(possibleFormat));
/* No magic, so check file extension */
for (i = 0 ; i < VIR_STORAGE_FILE_LAST ; i++) {
if (virStorageFileMatchesExtension(i, path)) {
format = i;
goto cleanup;
}
}
cleanup:
VIR_DEBUG("format=%d", format);
return format;
}
static int
virStorageFileGetMetadataFromBuf(int format,
const char *path,
@ -707,47 +748,6 @@ virStorageFileGetMetadataFromBuf(int format,
}
static int
virStorageFileProbeFormatFromBuf(const char *path,
unsigned char *buf,
size_t buflen)
{
int format = VIR_STORAGE_FILE_RAW;
int i;
int possibleFormat = VIR_STORAGE_FILE_RAW;
VIR_DEBUG("path=%s", path);
/* First check file magic */
for (i = 0 ; i < VIR_STORAGE_FILE_LAST ; i++) {
if (virStorageFileMatchesMagic(i, buf, buflen)) {
if (!virStorageFileMatchesVersion(i, buf, buflen)) {
possibleFormat = i;
continue;
}
format = i;
goto cleanup;
}
}
if (possibleFormat != VIR_STORAGE_FILE_RAW)
VIR_WARN("File %s matches %s magic, but version is wrong. "
"Please report new version to libvir-list@redhat.com",
path, virStorageFileFormatTypeToString(possibleFormat));
/* No magic, so check file extension */
for (i = 0 ; i < VIR_STORAGE_FILE_LAST ; i++) {
if (virStorageFileMatchesExtension(i, path)) {
format = i;
goto cleanup;
}
}
cleanup:
VIR_DEBUG("format=%d", format);
return format;
}
/**
* virStorageFileProbeFormatFromFD:
*