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common/pathfind: A more portable DPRINTF()

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C99 requires at least one argument for the "..." in a variadic macro.
GCC and Clang don't care, but warn with -pedantic.  Solaris cc warns.

The warning is easy to avoid, so do it.

Signed-off-by: Markus Armbruster <armbru@pond.sub.org>
This commit is contained in:
Markus Armbruster 2020-12-30 13:40:47 +01:00
parent e18d1dc589
commit 528d644f02
1 changed files with 3 additions and 3 deletions
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6
src/lib/common/pathfind.c
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@ -27,7 +27,7 @@
* pathfind.c: Find cheapest paths * pathfind.c: Find cheapest paths
* *
* Known contributors to this file: * Known contributors to this file:
* Markus Armbruster, 2014 * Markus Armbruster, 2014-2020
*/ */
#include <config.h> #include <config.h>
@ -42,9 +42,9 @@
#include "sect.h" #include "sect.h"
#ifdef PATH_FIND_DEBUG #ifdef PATH_FIND_DEBUG
#define DPRINTF(fmt, ...) ((void)printf(fmt , ## __VA_ARGS__)) #define DPRINTF(...) ((void)printf(## __VA_ARGS__))
#else #else
#define DPRINTF(fmt, ...) ((void)0) #define DPRINTF(...) ((void)0)
#endif #endif
static char *bufrotate(char *buf, size_t bufsz, size_t i); static char *bufrotate(char *buf, size_t bufsz, size_t i);