win32: silence some compiler warnings

4 files changed, 14 insertions, 11 deletions

diff --git a/win32/mingw.c b/win32/mingw.c
index 824413586..6b63e2487 100644
--- a/win32/mingw.c
+++ b/win32/mingw.c
@@ -648,7 +648,8 @@ struct group *getgrgid(gid_t gid UNUSED_PARAM)
         return &g;
 }
 
-int getgrouplist(const char *user, gid_t group, gid_t *groups, int *ngroups)
+int getgrouplist(const char *user UNUSED_PARAM, gid_t group UNUSED_PARAM,
+                                        gid_t *groups, int *ngroups)
 {
         if ( *ngroups == 0 ) {
                 *ngroups = 1;
diff --git a/win32/mntent.c b/win32/mntent.c
index d39ceb4a6..9b04a9c5e 100644
--- a/win32/mntent.c
+++ b/win32/mntent.c
@@ -28,10 +28,11 @@ struct mntent *getmntent(FILE *stream)
         struct mntdata *data = (struct mntdata *)stream;
         static char mnt_fsname[4];
         static char mnt_dir[4];
+        static char mnt_type[100];
+        static char mnt_opts[4];
         static struct mntent my_mount_entry =
-                                        { mnt_fsname, mnt_dir, (char *)"", (char *)"", 0, 0 };
+                                        { mnt_fsname, mnt_dir, mnt_type, mnt_opts, 0, 0 };
         struct mntent *entry;
-        static char fsname[100];
 
         entry = NULL;
         while ( ++data->index < 26 ) {
@@ -43,12 +44,13 @@ struct mntent *getmntent(FILE *stream)
                         mnt_dir[1] = ':';
                         mnt_dir[2] = '\\';
                         mnt_dir[3] = '\0';
+                        mnt_type[0] = '\0';
+                        mnt_opts[0] = '\0';
 
                         if ( GetDriveType(mnt_dir) == DRIVE_FIXED ) {
-                                my_mount_entry.mnt_type = "";
-                                if ( GetVolumeInformation(mnt_dir, NULL, 0, NULL, NULL,
-                                                                NULL, fsname, 100) ) {
-                                        my_mount_entry.mnt_type = fsname;
+                                if ( !GetVolumeInformation(mnt_dir, NULL, 0, NULL, NULL,
+                                                                NULL, mnt_type, 100) ) {
+                                        mnt_type[0] = '\0';
                                 }
 
                                 entry = &my_mount_entry;
diff --git a/win32/process.c b/win32/process.c
index e38792b5a..2206a0a5e 100644
--- a/win32/process.c
+++ b/win32/process.c
@@ -10,7 +10,7 @@ int waitpid(pid_t pid, int *status, int options)
         if (pid > 0 && options == 0) {
                 if ( (proc=OpenProcess(SYNCHRONIZE|PROCESS_QUERY_INFORMATION,
                                                 FALSE, pid)) != NULL ) {
-                        ret = _cwait(status, proc, 0);
+                        ret = _cwait(status, (intptr_t)proc, 0);
                         CloseHandle(proc);
                         return ret;
                 }
diff --git a/win32/uname.c b/win32/uname.c
index 465ba1e28..3b3e21f8d 100644
--- a/win32/uname.c
+++ b/win32/uname.c
@@ -20,9 +20,9 @@ int uname(struct utsname *name)
         strcpy(name->release, unk);
         strcpy(name->version, unk);
         if (GetVersionEx(&os_info)) {
-                sprintf(name->release, "%d.%d", os_info.dwMajorVersion,
-                                os_info.dwMinorVersion);
-                sprintf(name->version, "%d", os_info.dwBuildNumber);
+                sprintf(name->release, "%u.%u", (unsigned int)os_info.dwMajorVersion,
+                                (unsigned int)os_info.dwMinorVersion);
+                sprintf(name->version, "%u", (unsigned int)os_info.dwBuildNumber);
         }
 
         strcpy(name->machine, unk);