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virBitmapParseInternal: Allocate the bitmap in the caller

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In order to prepare for reuse of the function, move the allocation of
the bitmap to the caller.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2021-12-06 16:18:57 +01:00
parent d8579b07c8
commit 515672c0d9
1 changed files with 13 additions and 12 deletions
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25
src/util/virbitmap.c
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@ -366,8 +366,7 @@ virBitmapFormat(virBitmap *bitmap)
/**
* virBitmapParseInternal:
* @str: points to a string representing a human-readable bitmap
* @bitmap: a bitmap created from @str
* @bitmapSize: the upper limit of num of bits in created bitmap
* @bitmap: a bitmap populated from @str
*
* This function is the counterpart of virBitmapFormat. This function creates
* a bitmap, in which bits are set according to the content of @str.
@ -380,8 +379,7 @@ virBitmapFormat(virBitmap *bitmap)
*/
static int
virBitmapParseInternal(const char *str,
virBitmap **bitmap,
size_t bitmapSize)
virBitmap *bitmap)
{
bool neg = false;
const char *cur = str;
@ -389,8 +387,6 @@ virBitmapParseInternal(const char *str,
size_t i;
int start, last;
*bitmap = virBitmapNew(bitmapSize);
if (!str)
goto error;
@ -425,10 +421,10 @@ virBitmapParseInternal(const char *str,
if (*cur == ',' || *cur == 0) {
if (neg) {
if (virBitmapClearBit(*bitmap, start) < 0)
if (virBitmapClearBit(bitmap, start) < 0)
goto error;
} else {
if (virBitmapSetBit(*bitmap, start) < 0)
if (virBitmapSetBit(bitmap, start) < 0)
goto error;
}
} else if (*cur == '-') {
@ -446,7 +442,7 @@ virBitmapParseInternal(const char *str,
cur = tmp;
for (i = start; i <= last; i++) {
if (virBitmapSetBit(*bitmap, i) < 0)
if (virBitmapSetBit(bitmap, i) < 0)
goto error;
}
@ -469,8 +465,6 @@ virBitmapParseInternal(const char *str,
error:
virReportError(VIR_ERR_INVALID_ARG,
_("Failed to parse bitmap '%s'"), str);
virBitmapFree(*bitmap);
*bitmap = NULL;
return -1;
}
@ -495,7 +489,14 @@ virBitmapParse(const char *str,
virBitmap **bitmap,
size_t bitmapSize)
{
return virBitmapParseInternal(str, bitmap, bitmapSize);
g_autoptr(virBitmap) tmp = virBitmapNew(bitmapSize);
if (virBitmapParseInternal(str, tmp) < 0)
return -1;
*bitmap = g_steal_pointer(&tmp);
return 0;
}