In a similar fashion as other checked cast functions in this header
(such as `cast_size_t_to_ulong()` and `cast_size_t_to_int()`), implement
a checked cast function for going from a size_t to a uint32_t value.
This function will be utilized in a future commit which needs to make
such a conversion.
Signed-off-by: Taylor Blau <me@xxxxxxxxxxxx>
---
git-compat-util.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/git-compat-util.h b/git-compat-util.h
index 3e7a59b5ff..c3b6c2c226 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -1013,6 +1013,15 @@ static inline unsigned long cast_size_t_to_ulong(size_t a)
return (unsigned long)a;
}
+static inline uint32_t cast_size_t_to_uint32_t(size_t a)
+{
+ if (a != (uint32_t)a)
+ die("object too large to read on this platform: %"
+ PRIuMAX" is cut off to %u",
+ (uintmax_t)a, (uint32_t)a);
+ return (uint32_t)a;
+}
+
static inline int cast_size_t_to_int(size_t a)
{
if (a > INT_MAX)
--
2.43.0.102.ga31d690331.dirty
