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example, tests: address compiler warnings

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Fix or silence all C compiler warnings discovered with (or without)
`PICKY_COMPILER=ON` (in CMake). This means all warnings showing up in
CI (gcc, clang, MSVS 2013/2015), in local tests on macOS (clang 14) and
Windows cross-builds using gcc (12) and llvm/clang (14/15).

Also fix the expression `nread -= nread` in `sftp_RW_nonblock.c`.

Cherry-picked from: #846
Closes #861
This commit is contained in:
Viktor Szakats
2023-03-20 15:46:12 +00:00
parent ec0a51db1f
commit b13936bd6a
47 changed files with 343 additions and 262 deletions
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9
example/sftpdir.c
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@@ -46,7 +46,7 @@
#pragma warning(disable:4127)
#endif
#ifdef WIN32
#if defined(_MSC_VER)
#define __FILESIZE "I64u"
#else
#define __FILESIZE "llu"
@@ -70,7 +70,7 @@ static void kbd_callback(const char *name, int name_len,
(void)instruction_len;
if(num_prompts == 1) {
responses[0].text = strdup(password);
responses[0].length = strlen(password);
responses[0].length = (unsigned int)strlen(password);
}
(void)prompts;
(void)abstract;
@@ -78,7 +78,7 @@ static void kbd_callback(const char *name, int name_len,
int main(int argc, char *argv[])
{
unsigned long hostaddr;
uint32_t hostaddr;
libssh2_socket_t sock;
int rc, i, auth_pw = 0;
struct sockaddr_in sin;
@@ -166,7 +166,8 @@ int main(int argc, char *argv[])
fprintf(stderr, "\n");
/* check what authentication methods are available */
userauthlist = libssh2_userauth_list(session, username, strlen(username));
userauthlist = libssh2_userauth_list(session, username,
(unsigned int)strlen(username));
fprintf(stderr, "Authentication methods: %s\n", userauthlist);
if(strstr(userauthlist, "password") != NULL) {
auth_pw |= 1;