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hexdcoct: dump to stdout if FILE* is specified as NULL
author
Lennart Poettering
<lennart@poettering.net>
Fri, 27 Oct 2017 09:14:27 +0000
(11:14 +0200)
committer
Lennart Poettering
<lennart@poettering.net>
Fri, 17 Nov 2017 10:13:44 +0000
(11:13 +0100)
We do a logic like that at various other places, let's do it here too,
to make this as little surprising as possible.
src/basic/hexdecoct.c
patch
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diff --git
a/src/basic/hexdecoct.c
b/src/basic/hexdecoct.c
index
dec5552
..
b61b032
100644
(file)
--- a/
src/basic/hexdecoct.c
+++ b/
src/basic/hexdecoct.c
@@
-737,7
+737,10
@@
void hexdump(FILE *f, const void *p, size_t s) {
const uint8_t *b = p;
unsigned n = 0;
- assert(s == 0 || b);
+ assert(b || s == 0);
+
+ if (!f)
+ f = stdout;
while (s > 0) {
size_t i;