debian/libam7xxx0.1.symbols: add Build-Depends-Package

[libam7xxx.git] / src / am7xxx.c

diff --git a/src/am7xxx.c b/src/am7xxx.c
index 1e05601..8573a59 100644 (file)
--- a/src/am7xxx.c
+++ b/src/am7xxx.c
@@ -30,11 +30,22 @@
 
 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
 
-/* If we're not using GNU C, elide __attribute__
+/*
+ * If we're not using GNU C, elide __attribute__
  * taken from: http://unixwiz.net/techtips/gnu-c-attributes.html)
  */
 #ifndef __GNUC__
-#  define  __attribute__(x)  /* NOTHING */
+       #define  __attribute__(x)  /* NOTHING */
+#endif
+
+/*
+ * Fix printf format when compiling for Windows with MinGW, see:
+ * https://sourceforge.net/p/mingw-w64/wiki2/gnu%20printf/
+ */
+#ifdef __MINGW_PRINTF_FORMAT
+       #define AM7XXX_PRINTF_FORMAT __MINGW_PRINTF_FORMAT
+#else
+       #define AM7XXX_PRINTF_FORMAT printf
 #endif
 
 /* Control shared library symbols visibility */
@@ -56,7 +67,7 @@ static void log_message(am7xxx_context *ctx,
                        const char *function_name,
                        int line,
                        const char *fmt,
-                       ...) __attribute__ ((format (printf, 5, 6)));
+                       ...) __attribute__ ((format (AM7XXX_PRINTF_FORMAT, 5, 6)));
 
 #define fatal(...)        log_message(NULL, AM7XXX_LOG_FATAL,   __func__, __LINE__, __VA_ARGS__)
 #define error(ctx, ...)   log_message(ctx,  AM7XXX_LOG_ERROR,   __func__, __LINE__, __VA_ARGS__)
@@ -1229,8 +1240,8 @@ AM7XXX_PUBLIC int am7xxx_get_device_info(am7xxx_device *dev,
        if (h.packet_type != AM7XXX_PACKET_TYPE_DEVINFO) {
                error(dev->ctx, "expected packet type: %d, got %d instead!\n",
                      AM7XXX_PACKET_TYPE_DEVINFO, h.packet_type);
-               errno = ENOTSUP;
-               return -ENOTSUP;
+               errno = EINVAL;
+               return -EINVAL;
        }
 
        dev->device_info = malloc(sizeof(*dev->device_info));