win32: change fputs to fwrite wrapper

Removes mp_puts/mp_fputs and adds mp_fwrite.

In fact I wanted fwrite instead of puts, no need to make it more awkward
with the implicit new lines.

Fixes: fc55f355fc

osdep/io.c

@@ -309,18 +309,26 @@ static inline HANDLE get_handle(FILE *stream)
     return wstream;
 }
 
-int mp_fputs(const char *str, FILE *stream)
+size_t mp_fwrite(const void *restrict buffer, size_t size, size_t count,
+                 FILE *restrict stream)
 {
+    if (!size || !count)
+        return 0;
+
     HANDLE wstream = get_handle(stream);
-    if (mp_check_console(wstream))
-        return mp_console_fputs(wstream, bstr0(str));
+    if (mp_check_console(wstream)) {
+        unsigned char *start = (unsigned char *)buffer;
+        size_t c = 0;
+        for (; c < count; ++c) {
+            if (mp_console_write(wstream, (bstr){start, size}) <= 0)
+                break;
+            start += size;
+        }
+        return c;
+    }
 
-    return fputs(str, stream);
-}
-
-int mp_puts(const char *str)
-{
-    return mp_fputs(str, stdout);
+#undef fwrite
+    return fwrite(buffer, size, count, stream);
 }
 
 #if HAVE_UWP

osdep/io.h

@@ -106,8 +106,8 @@ char *mp_to_utf8(void *talloc_ctx, const wchar_t *s);
 #include <sys/stat.h>
 #include <fcntl.h>
 
-int mp_puts(const char *str);
-int mp_fputs(const char *str, FILE *stream);
+size_t mp_fwrite(const void *restrict buffer, size_t size, size_t count,
+                 FILE *restrict stream);
 int mp_printf(const char *format, ...) PRINTF_ATTRIBUTE(1, 2);
 int mp_fprintf(FILE *stream, const char *format, ...) PRINTF_ATTRIBUTE(2, 3);
 int mp_open(const char *filename, int oflag, ...);
@@ -176,8 +176,7 @@ int mp_glob(const char *restrict pattern, int flags,
             int (*errfunc)(const char*, int), mp_glob_t *restrict pglob);
 void mp_globfree(mp_glob_t *pglob);
 
-#define puts(...) mp_puts(__VA_ARGS__)
-#define fputs(...) mp_fputs(__VA_ARGS__)
+#define fwrite(...) mp_fwrite(__VA_ARGS__)
 #define printf(...) mp_printf(__VA_ARGS__)
 #define fprintf(...) mp_fprintf(__VA_ARGS__)
 #define open(...) mp_open(__VA_ARGS__)

osdep/terminal-dummy.c

@@ -32,7 +32,7 @@ int mp_console_vfprintf(void *wstream, const char *format, va_list args)
     return 0;
 }
 
-int mp_console_fputs(void *wstream, bstr str)
+int mp_console_write(void *wstream, bstr str)
 {
     return 0;
 }

osdep/terminal-win.c

@@ -239,7 +239,7 @@ int mp_console_vfprintf(HANDLE wstream, const char *format, va_list args)
     buffers->write_console_buf.len = 0;
     bstr_xappend_vasprintf(buffers, &buffers->write_console_buf, format, args);
 
-    int ret = mp_console_fputs(wstream, buffers->write_console_buf);
+    int ret = mp_console_write(wstream, buffers->write_console_buf);
 
     if (free_buf)
         talloc_free(buffers);
@@ -247,7 +247,7 @@ int mp_console_vfprintf(HANDLE wstream, const char *format, va_list args)
     return ret;
 }
 
-int mp_console_fputs(HANDLE wstream, bstr str)
+int mp_console_write(HANDLE wstream, bstr str)
 {
     struct tmp_buffers *buffers = FlsGetValue(tmp_buffers_key);
     bool free_buf = false;

osdep/terminal.h

@@ -57,7 +57,7 @@ void terminal_get_size2(int *rows, int *cols, int *px_width, int *px_height);
 
 // Windows only.
 int mp_console_vfprintf(void *wstream, const char *format, va_list args);
-int mp_console_fputs(void *wstream, bstr str);
+int mp_console_write(void *wstream, bstr str);
 bool mp_check_console(void *handle);
 
 /* Windows-only function to attach to the parent process's console */

test/test_utils.c

@@ -114,7 +114,7 @@ int mp_msg_find_level(const char *s) {return 0;};
 int mp_msg_level(struct mp_log *log) {return 0;};
 void mp_msg_set_max_level(struct mp_log *log, int lev) {};
 int mp_console_vfprintf(void *wstream, const char *format, va_list args) {return 0;};
-int mp_console_fputs(void *wstream, bstr str) {return 0;};
+int mp_console_write(void *wstream, bstr str) {return 0;};
 bool mp_check_console(void *handle) { return false; };
 void mp_set_avdict(AVDictionary **dict, char **kv) {};
 struct mp_log *mp_log_new(void *talloc_ctx, struct mp_log *parent,