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don't crash on null strings in printf
[musl]
/
src
/
stdio
/
vfprintf.c
diff --git
a/src/stdio/vfprintf.c
b/src/stdio/vfprintf.c
index
4c990e5
..
b5001ff
100644
(file)
--- a/
src/stdio/vfprintf.c
+++ b/
src/stdio/vfprintf.c
@@
-584,7
+584,7
@@
static int printf_core(FILE *f, const char *fmt, va_list *ap, union arg *nl_arg,
case 'm':
if (1) a = strerror(errno); else
case 's':
- a = arg.p;
+ a = arg.p
? arg.p : "(null)"
;
z = memchr(a, 0, p);
if (!z) z=a+p;
else p=z-a;