Add SR_ prefix to the KHZ/MHZ/GHZ macros.

[libsigrok.git] / sigrok.h

diff --git a/sigrok.h b/sigrok.h
index 81709b3e6989536a78bd99780d4d56a53b2e7ee8..946c5470217387cf1bcc864e0b447d248dfc74f8 100644 (file)
--- a/sigrok.h
+++ b/sigrok.h
@@ -55,24 +55,15 @@ extern "C" {
 #define SR_ERR_MALLOC        -2 /* Malloc/calloc/realloc error */
 #define SR_ERR_SAMPLERATE    -3 /* Incorrect samplerate */
 
-/* limited by uint64_t */
-#define MAX_NUM_PROBES 64
-#define MAX_PROBENAME_LEN 32
+#define SR_MAX_NUM_PROBES      64 /* Limited by uint64_t. */
+#define SR_MAX_PROBENAME_LEN   32
 
 /* Handy little macros */
-#define KHZ(n) ((n) * 1000)
-#define MHZ(n) ((n) * 1000000)
-#define GHZ(n) ((n) * 1000000000)
+#define SR_KHZ(n) ((n) * 1000)
+#define SR_MHZ(n) ((n) * 1000000)
+#define SR_GHZ(n) ((n) * 1000000000)
 
-#define HZ_TO_NS(n) (1000000000 / (n))
-
-#ifndef ARRAY_SIZE
-#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
-#endif
-
-#ifndef ARRAY_AND_SIZE
-#define ARRAY_AND_SIZE(a) (a), ARRAY_SIZE(a)
-#endif
+#define SR_HZ_TO_NS(n) (1000000000 / (n))
 
 typedef int (*sr_receive_data_callback) (int fd, int revents, void *user_data);
 
@@ -157,8 +148,8 @@ struct sr_output_format {
        char *description;
        int df_type;
        int (*init) (struct sr_output *o);
-       int (*data) (struct sr_output *o, char *data_in, uint64_t length_in,
-                    char **data_out, uint64_t *length_out);
+       int (*data) (struct sr_output *o, const char *data_in,
+                    uint64_t length_in, char **data_out, uint64_t *length_out);
        int (*event) (struct sr_output *o, int event_type, char **data_out,
                      uint64_t *length_out);
 };
@@ -326,7 +317,7 @@ struct sr_device_plugin {
        char *name;
        char *longname;
        int api_version;
-       int (*init) (char *deviceinfo);
+       int (*init) (const char *deviceinfo);
        void (*cleanup) (void);
 
        /* Device-specific */