*/
#include "qemu-common.h"
#include "host-utils.h"
-#include <assert.h>
void pstrcpy(char *buf, int buf_size, const char *str)
{
return 1;
}
+/* XXX: use host strnlen if available ? */
+int qemu_strnlen(const char *s, int max_len)
+{
+ int i;
+
+ for(i = 0; i < max_len; i++) {
+ if (s[i] == '\0') {
+ break;
+ }
+ }
+ return i;
+}
+
time_t mktimegm(struct tm *tm)
{
time_t t;
return 32 - clz32(i);
}
+/*
+ * Make sure data goes on disk, but if possible do not bother to
+ * write out the inode just for timestamp updates.
+ *
+ * Unfortunately even in 2009 many operating systems do not support
+ * fdatasync and have to fall back to fsync.
+ */
+int qemu_fdatasync(int fd)
+{
+#ifdef CONFIG_FDATASYNC
+ return fdatasync(fd);
+#else
+ return fsync(fd);
+#endif
+}
+
/* io vectors */
void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint)
++qiov->niov;
}
+/*
+ * Copies iovecs from src to the end dst until src is completely copied or the
+ * total size of the copied iovec reaches size. The size of the last copied
+ * iovec is changed in order to fit the specified total size if it isn't a
+ * perfect fit already.
+ */
+void qemu_iovec_concat(QEMUIOVector *dst, QEMUIOVector *src, size_t size)
+{
+ int i;
+ size_t done;
+
+ assert(dst->nalloc != -1);
+
+ done = 0;
+ for (i = 0; (i < src->niov) && (done != size); i++) {
+ if (done + src->iov[i].iov_len > size) {
+ qemu_iovec_add(dst, src->iov[i].iov_base, size - done);
+ break;
+ } else {
+ qemu_iovec_add(dst, src->iov[i].iov_base, src->iov[i].iov_len);
+ }
+ done += src->iov[i].iov_len;
+ }
+}
+
void qemu_iovec_destroy(QEMUIOVector *qiov)
{
assert(qiov->nalloc != -1);