sr_scpi_free(): Allow NULL as argument.

[libsigrok.git] / include / libsigrok / proto.h

diff --git a/include/libsigrok/proto.h b/include/libsigrok/proto.h
index 1a3fba8c048fd9f2a6ae6989a3bad3babcf04d51..01792a62ebe0541601f1b8c4eee1905bc790a65e 100644 (file)
--- a/include/libsigrok/proto.h
+++ b/include/libsigrok/proto.h
@@ -30,6 +30,8 @@
 
 SR_API int sr_analog_to_float(const struct sr_datafeed_analog *analog,
                float *buf);
+SR_API const char *sr_analog_si_prefix(float *value, int *digits);
+SR_API gboolean sr_analog_si_prefix_friendly(enum sr_unit unit);
 SR_API int sr_analog_unit_to_string(const struct sr_datafeed_analog *analog,
                char **result);
 SR_API void sr_rational_set(struct sr_rational *r, int64_t p, uint64_t q);
@@ -224,7 +226,7 @@ SR_API int sr_resource_set_hooks(struct sr_context *ctx,
 
 SR_API char *sr_si_string_u64(uint64_t x, const char *unit);
 SR_API char *sr_samplerate_string(uint64_t samplerate);
-SR_API char *sr_period_string(uint64_t frequency);
+SR_API char *sr_period_string(uint64_t v_p, uint64_t v_q);
 SR_API char *sr_voltage_string(uint64_t v_p, uint64_t v_q);
 SR_API int sr_parse_sizestring(const char *sizestring, uint64_t *size);
 SR_API uint64_t sr_parse_timestring(const char *timestring);