8304836: Make MALLOC_MIN4 macro more robust

Reviewed-by: bchristi
2023-04-24 15:37:35 +00:00 · 2023-04-24 15:37:35 +00:00 · f32adaf89f
commit f32adaf89f
parent 2763cf14e6
1 changed files with 1 additions and 1 deletions
--- a/src/java.base/share/native/libjava/jni_util.c
+++ b/src/java.base/share/native/libjava/jni_util.c
@ -39,7 +39,7 @@
 * negative, or the size is INT_MAX as the macro adds 1
 * that overflows into negative value.
 */
-#define MALLOC_MIN4(len) ((unsigned)(len) >= INT_MAX ? \
+#define MALLOC_MIN4(len) ((len) >= INT_MAX || (len) < 0 ? \
    NULL : \
    ((char *)malloc((len) + 1 < 4 ? 4 : (len) + 1)))