On 11/25/19 2:38 PM, Markus Armbruster wrote:
qemu_strtoi64() assumes int64_t is long long. This is marked FIXME.
Replace by a QEMU_BUILD_BUG_ON() to avoid surprises.
Same for qemu_strtou64().
Fix a typo in qemu_strtoul()'s contract while there.
Signed-off-by: Markus Armbruster <arm...@redhat.com>
---
util/cutils.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/util/cutils.c b/util/cutils.c
index fd591cadf0..b372dd3e68 100644
--- a/util/cutils.c
+++ b/util/cutils.c
@@ -502,7 +502,7 @@ int qemu_strtoul(const char *nptr, const char **endptr, int
base,
* Convert string @nptr to an int64_t.
*
* Works like qemu_strtol(), except it stores INT64_MAX on overflow,
- * and INT_MIN on underflow.
+ * and INT64_MIN on underflow.
*/
int qemu_strtoi64(const char *nptr, const char **endptr, int base,
int64_t *result)
@@ -517,8 +517,9 @@ int qemu_strtoi64(const char *nptr, const char **endptr,
int base,
return -EINVAL;
}
+ /* This assumes int64_t is long long TODO relax */
+ QEMU_BUILD_BUG_ON(sizeof(int64_t) != sizeof(long long));
Ready for 128-bit!
Reviewed-by: Philippe Mathieu-Daudé <phi...@redhat.com>
errno = 0;
- /* FIXME This assumes int64_t is long long */
*result = strtoll(nptr, &ep, base);
return check_strtox_error(nptr, ep, endptr, errno);
}
@@ -541,8 +542,9 @@ int qemu_strtou64(const char *nptr, const char **endptr,
int base,
return -EINVAL;
}
+ /* This assumes uint64_t is unsigned long long TODO relax */
+ QEMU_BUILD_BUG_ON(sizeof(uint64_t) != sizeof(unsigned long long));
errno = 0;
- /* FIXME This assumes uint64_t is unsigned long long */
*result = strtoull(nptr, &ep, base);
/* Windows returns 1 for negative out-of-range values. */
if (errno == ERANGE) {
