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-rw-r--r--libc/stdio/vsnprintf.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libc/stdio/vsnprintf.c b/libc/stdio/vsnprintf.c
index 38d5281..410a806 100644
--- a/libc/stdio/vsnprintf.c
+++ b/libc/stdio/vsnprintf.c
@@ -164,6 +164,7 @@ print_format(char **buffer, size_t bufsize, const char *format, void *var)
break;
case 'X':
upper = true;
+ /* fallthrough */
case 'x':
sizec[i] = '\0';
value = (unsigned long) var & convert[length_mod];