[pkg-opensc-commit] [opensc] 206/295: Add ptrdiff_t (pointer difference) printf length modifier

[Eric Dorland]

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in repository opensc.

commit 5877fd260d19be031696103ad0cac4be39b93245
Author: Maciej S. Szmigiero <mail at maciej.szmigiero.name>
Date:   Tue Aug 23 18:42:12 2016 +0200

    Add ptrdiff_t (pointer difference) printf length modifier
    
    Some of existing code prints pointer differences, but without taking into
    account that printf length modifier required for this differs between
    systems.
    Add SC_FORMAT_LEN_PTRDIFF_T macro for this, just as we have for size_t
    variables.
    
    Signed-off-by: Maciej S. Szmigiero <mail at maciej.szmigiero.name>
---
 src/libopensc/opensc.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/libopensc/opensc.h b/src/libopensc/opensc.h
index d7accfc..e139678 100644
--- a/src/libopensc/opensc.h
+++ b/src/libopensc/opensc.h
@@ -46,9 +46,11 @@ extern "C" {
 
 #if defined(_WIN32)
 #define SC_FORMAT_LEN_SIZE_T "I"
+#define SC_FORMAT_LEN_PTRDIFF_T "I"
 #else
-/* hope SUSv3 one works */
+/* hope SUSv3 ones work */
 #define SC_FORMAT_LEN_SIZE_T "z"
+#define SC_FORMAT_LEN_PTRDIFF_T "t"
 #endif
 
 #define SC_SEC_OPERATION_DECIPHER	0x0001

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