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-rw-r--r--src/stdio/vfprintf.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/stdio/vfprintf.c b/src/stdio/vfprintf.c
index 33019ff1..497c5e19 100644
--- a/src/stdio/vfprintf.c
+++ b/src/stdio/vfprintf.c
@@ -588,6 +588,7 @@ static int printf_core(FILE *f, const char *fmt, va_list *ap, union arg *nl_arg,
}
p = MAX(p, z-a + !arg.i);
break;
+ narrow_c:
case 'c':
*(a=z-(p=1))=arg.i;
fl &= ~ZERO_PAD;
@@ -602,6 +603,7 @@ static int printf_core(FILE *f, const char *fmt, va_list *ap, union arg *nl_arg,
fl &= ~ZERO_PAD;
break;
case 'C':
+ if (!arg.i) goto narrow_c;
wc[0] = arg.i;
wc[1] = 0;
arg.p = wc;