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r12006@catbus: nickm | 2007-02-28 16:06:24 -0500

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On mingw, use "%I64u" to printf/scanf 64-bit integers, instead of the usual GCC "%llu".  This prevents a bug when saving 64-bit int configuration values on mingw; the high-order 32 bits would get truncated.  If the value was then reloaded, disaster would occur. (Fixes bug 400 and maybe also bug 397.)  Backport candidate.


svn:r9691
This commit is contained in:
Nick Mathewson
2007-02-28 21:07:19 +00:00
parent b78f67dbf5
commit e2b1a77c3e
2 changed files with 11 additions and 2 deletions
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src/common/compat.h
+6 -2
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@@ -123,15 +123,19 @@ size_t strlcpy(char *dst, const char *src, size_t siz) ATTR_NONNULL((1,2));
#ifdef _MSC_VER
#define U64_PRINTF_ARG(a) (a)
#define U64_SCANF_ARG(a) (a)
#define U64_FORMAT "%I64u"
#define U64_LITERAL(n) (n ## ui64)
#else
#define U64_PRINTF_ARG(a) ((long long unsigned int)(a))
#define U64_SCANF_ARG(a) ((long long unsigned int*)(a))
#define U64_FORMAT "%llu"
#define U64_LITERAL(n) (n ## llu)
#endif
#if defined(_MSC_VER) || defined(__MINGW32__) || defined(__MINGW64__)
#define U64_FORMAT "%I64u"
#else
#define U64_FORMAT "%llu"
#endif
/** Represents an mmaped file. Allocated via tor_mmap_file; freed with
* tor_munmap_file. */
typedef struct tor_mmap_t {