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free buf->content when vsnprintf() failed

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When buf->error is 1, we do not return buf->content in the function
virBufferContentAndReset(). So we should free buf->content when
vsnprintf() failed.
This commit is contained in:
Wen Congyang 2011-04-27 13:43:24 +08:00
parent 4a9019afbb
commit 6fee3da262
1 changed files with 6 additions and 6 deletions
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12
src/util/buf.c
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@ -39,7 +39,7 @@ struct _virBuffer {
* freeing the content and setting the error flag.
*/
static void
virBufferNoMemory(const virBufferPtr buf)
virBufferSetError(const virBufferPtr buf)
{
VIR_FREE(buf->content);
buf->size = 0;
@ -70,7 +70,7 @@ virBufferGrow(virBufferPtr buf, unsigned int len)
size = buf->use + len + 1000;
if (VIR_REALLOC_N(buf->content, size) < 0) {
virBufferNoMemory(buf);
virBufferSetError(buf);
return -1;
}
buf->size = size;
@ -241,7 +241,7 @@ virBufferVSprintf(const virBufferPtr buf, const char *format, ...)
size = buf->size - buf->use;
if ((count = vsnprintf(&buf->content[buf->use],
size, format, argptr)) < 0) {
buf->error = 1;
virBufferSetError(buf);
goto err;
}
@ -259,7 +259,7 @@ virBufferVSprintf(const virBufferPtr buf, const char *format, ...)
size = buf->size - buf->use;
if ((count = vsnprintf(&buf->content[buf->use],
size, format, argptr)) < 0) {
buf->error = 1;
virBufferSetError(buf);
goto err;
}
}
@ -299,7 +299,7 @@ virBufferEscapeString(const virBufferPtr buf, const char *format, const char *st
}
if (VIR_ALLOC_N(escaped, 6 * len + 1) < 0) {
virBufferNoMemory(buf);
virBufferSetError(buf);
return;
}
@ -386,7 +386,7 @@ virBufferEscapeSexpr(const virBufferPtr buf,
}
if (VIR_ALLOC_N(escaped, 2 * len + 1) < 0) {
virBufferNoMemory(buf);
virBufferSetError(buf);
return;
}