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msvc: assume _INTEGRAL_MAX_BITS >= 64

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curl requires C compilers supporting 64-bit `curl_off_t` type since
835682661c #10597 (v8.0.0).

Assume the MSVC compiler offers the necessary support.

It makes curl require Visual Studio .NET 2003, v7.1 (`_MSC_VER = 1310`).
With the possibility that 1300 (Visual Studio .NET, v7.0, 2002), or 1200
(Visual C++, 32-bit, v6.0, 1998) may also work.

Follow-up to ca18198dd4 #15952
Closes #15955
This commit is contained in:
Viktor Szakats 2025-01-09 14:58:24 +01:00
parent 34cebd8735
commit 0494566ae8
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GPG key ID: B5ABD165E2AEF201
5 changed files with 8 additions and 25 deletions
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17
include/curl/system.h
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@ -355,24 +355,15 @@
#elif defined(_MSC_VER)
# if (_MSC_VER >= 1800)
# include <inttypes.h>
# define CURL_TYPEOF_CURL_OFF_T __int64
# define CURL_FORMAT_CURL_OFF_T PRId64
# define CURL_FORMAT_CURL_OFF_TU PRIu64
# define CURL_SUFFIX_CURL_OFF_T i64
# define CURL_SUFFIX_CURL_OFF_TU ui64
# elif (_INTEGRAL_MAX_BITS >= 64)
# define CURL_TYPEOF_CURL_OFF_T __int64
# else
# define CURL_FORMAT_CURL_OFF_T "I64d"
# define CURL_FORMAT_CURL_OFF_TU "I64u"
# define CURL_SUFFIX_CURL_OFF_T i64
# define CURL_SUFFIX_CURL_OFF_TU ui64
# else
# define CURL_TYPEOF_CURL_OFF_T long
# define CURL_FORMAT_CURL_OFF_T "ld"
# define CURL_FORMAT_CURL_OFF_TU "lu"
# define CURL_SUFFIX_CURL_OFF_T L
# define CURL_SUFFIX_CURL_OFF_TU UL
# endif
# define CURL_TYPEOF_CURL_OFF_T __int64
# define CURL_SUFFIX_CURL_OFF_T i64
# define CURL_SUFFIX_CURL_OFF_TU ui64
# define CURL_TYPEOF_CURL_SOCKLEN_T int
/* ===================================== */