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libssh: fix 64-bit printf mask for mingw-w64 <=6.0.0

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Fixing (dl-mingw, CM 6.4.0-i686 (mingw-w64 5.0.0) schannel !unity):
```
lib/vssh/libssh.c: In function 'myssh_in_SFTP_QUOTE_STATVFS':
lib/vssh/libssh.c:573:31: error: ISO C does not support the 'I' printf flag [-Werror=format=]
     char *tmp = curl_maprintf("statvfs:\n"
                               ^~~~~~~~~~~~
lib/vssh/libssh.c:573:31: error: format '%u' expects argument of type 'unsigned int', but argument 2 has type 'uint64_t {aka long long unsigned int}' [-Werror=format=]
lib/vssh/libssh.c:573:31: error: ISO C does not support the 'I' printf flag [-Werror=format=]
[...]
```
Ref: https://github.com/curl/curl/actions/runs/24002480364/job/70000685821

mingw-w64 <=6.0.0 define `PRIu64` like this:
```
./inttypes.h:#define PRIu64 "I64u"
```

Follow-up to 413a0fedd0 #12346
Cherry-picked from #21227

Closes #21229
This commit is contained in:
Viktor Szakats 2026-04-05 15:31:35 +02:00
parent 7813d9a077
commit 20756bcf9a
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2
lib/vssh/libssh.c
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@ -566,6 +566,8 @@ static int myssh_in_SFTP_QUOTE_STATVFS(struct Curl_easy *data,
else if(statvfs) {
#ifdef _MSC_VER
#define CURL_LIBSSH_VFS_SIZE_MASK "I64u"
#elif defined(__MINGW32__) && (__MINGW64_VERSION_MAJOR <= 6)
#define CURL_LIBSSH_VFS_SIZE_MASK "llu"
#else
#define CURL_LIBSSH_VFS_SIZE_MASK PRIu64
#endif