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fdc: always compile-check debug prints 

Coverity noticed that some variables are only used by debug prints, and
called them unused. Always compile the print statements. While we're
here, print to stderr as well.

Bonus: Fix a debug printf I broke in f31937aa8

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[Touched up commit message. --js]
Message-id: 1454971529-14830-1-git-send-email-jsnow@redhat.com
This commit is contained in:
John Snow 2016-02-10 13:29:40 -05:00
parent f34ae00d6d
commit c691320faa
1 changed files with 8 additions and 7 deletions
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15
hw/block/fdc.c
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@ -41,14 +41,15 @@
/********************************************************/
/* debug Floppy devices */
//#define DEBUG_FLOPPY
#ifdef DEBUG_FLOPPY
#define DEBUG_FLOPPY 0
#define FLOPPY_DPRINTF(fmt, ...) \
do { printf("FLOPPY: " fmt , ## __VA_ARGS__); } while (0)
#else
#define FLOPPY_DPRINTF(fmt, ...)
#endif
do { \
if (DEBUG_FLOPPY) { \
fprintf(stderr, "FLOPPY: " fmt , ## __VA_ARGS__); \
} \
} while (0)
/********************************************************/
/* Floppy drive emulation */
@ -353,7 +354,7 @@ static int pick_geometry(FDrive *drv)
parse = &fd_formats[size_match];
FLOPPY_DPRINTF("User requested floppy drive type '%s', "
"but inserted medium appears to be a "
"%d sector '%s' type\n",
"%"PRId64" sector '%s' type\n",
FloppyDriveType_lookup[drv->drive],
nb_sectors,
FloppyDriveType_lookup[parse->drive]);