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zdev: Add helper to report warnings only once

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Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Peter Oberparleiter
2019-07-31 13:37:46 +02:00
committed by Jan Höppner
parent 8bf5f8d0e2
commit 5693c16894
2 changed files with 31 additions and 0 deletions
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6
zdev/include/misc.h
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@@ -136,6 +136,12 @@ void _warn(const char *, ...);
fprintf(stderr, "%s:%d: ", __FILE__, __LINE__); \
_warn(__VA_ARGS__); \
} while (0)
void _warn_once(const char *, ...);
#define warn_once(...) do { \
if (debug_enabled) \
fprintf(stderr, "%s:%d: ", __FILE__, __LINE__); \
_warn_once(__VA_ARGS__); \
} while (0)
#define info(...) do { if (!quiet) fprintf(stdout_data ? stderr : stdout, \
__VA_ARGS__); } while (0)
#define verb(...) do { if (verbose) fprintf(stdout_data ? stderr : stdout, \