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s390x/pci: make printf always compile in debug output

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Wrapped printf calls inside debug macros (DPRINTF) in `if` statement.
This will ensure that printf function will always compile even if debug
output is turned off and, in turn, will prevent bitrot of the format
strings.

Signed-off-by: Danil Antonov <g.danil.anto@gmail.com>
Message-Id: <CA+KKJYBi31Bs7DtVdzZdwG2t+u5+FGiAhQpd3pqJzUX1O8Cprg@mail.gmail.com>
[CH: remove now misleading comments]
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This commit is contained in:
Danil Antonov 2017-04-01 16:56:30 +03:00 • committed by Cornelia Huck
parent 08564ecd4d
commit 229913f0ef
2 changed files with 18 additions and 14 deletions
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16
hw/s390x/s390-pci-bus.c
View file

@ -23,15 +23,17 @@
#include "hw/pci/msi.h"
#include "qemu/error-report.h"
/* #define DEBUG_S390PCI_BUS */
#ifdef DEBUG_S390PCI_BUS
#define DPRINTF(fmt, ...) \
do { fprintf(stderr, "S390pci-bus: " fmt, ## __VA_ARGS__); } while (0)
#else
#define DPRINTF(fmt, ...) \
do { } while (0)
#ifndef DEBUG_S390PCI_BUS
#define DEBUG_S390PCI_BUS 0
#endif
#define DPRINTF(fmt, ...) \
do { \
if (DEBUG_S390PCI_BUS) { \
fprintf(stderr, "S390pci-bus: " fmt, ## __VA_ARGS__); \
} \
} while (0)
S390pciState *s390_get_phb(void)
{
static S390pciState *phb;