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Declare warn_unused_result only on GCC >= 3.4.0.

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Thanks to cea.max.simoes for bug report & fix.

Update issue 25
Status: FixedInGit
This commit is contained in:
Petteri Aimonen
2012-08-09 16:15:23 +03:00
parent 1aa61f108a
commit 8d5086f052
2 changed files with 10 additions and 10 deletions
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10
pb_decode.c
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@@ -3,12 +3,12 @@
* 2011 Petteri Aimonen <jpa@kapsi.fi>
*/
#ifdef __GNUC__
/* Verify that we remember to check all return values for proper error propagation */
#define checkreturn __attribute__((warn_unused_result))
/* The warn_unused_result attribute appeared first in gcc-3.4.0 */
#if !defined(__GNUC__) || ( __GNUC__ < 3) || (__GNUC__ == 3 && __GNUC_MINOR__ < 4)
#define checkreturn
#else
#define checkreturn
/* Verify that we remember to check all return values for proper error propagation */
#define checkreturn __attribute__((warn_unused_result))
#endif
#include "pb.h"