X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=include%2Flibsigrok%2Fproto.h;h=05e788646d640482f5a656b0f4a3c0c619d4cf9d;hb=e06875b2ce47e128922d63f09ca4e9b3d8105722;hp=ea9d477946fd7ae74a963f77e1dc89dd3c906a0e;hpb=f014a8fd4cbea56c3ecd23a5b2cbb7c38d905253;p=libsigrok.git

diff --git a/include/libsigrok/proto.h b/include/libsigrok/proto.h
index ea9d4779..05e78864 100644
--- a/include/libsigrok/proto.h
+++ b/include/libsigrok/proto.h
@@ -20,8 +20,6 @@
 #ifndef LIBSIGROK_PROTO_H
 #define LIBSIGROK_PROTO_H
 
-#include <unistd.h>
-
 /**
  * @file
  *
@@ -32,9 +30,16 @@
 
 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);
+SR_API int sr_rational_eq(const struct sr_rational *a, const struct sr_rational *b);
+SR_API int sr_rational_mult(struct sr_rational *res, const struct sr_rational *a,
+		const struct sr_rational *b);
+SR_API int sr_rational_div(struct sr_rational *res, const struct sr_rational *num,
+		const struct sr_rational *div);
 
 /*--- backend.c -------------------------------------------------------------*/
 
@@ -156,6 +161,7 @@ SR_API int sr_input_scan_file(const char *filename, const struct sr_input **in);
 SR_API struct sr_dev_inst *sr_input_dev_inst_get(const struct sr_input *in);
 SR_API int sr_input_send(const struct sr_input *in, GString *buf);
 SR_API int sr_input_end(const struct sr_input *in);
+SR_API int sr_input_reset(const struct sr_input *in);
 SR_API void sr_input_free(const struct sr_input *in);
 
 /*--- output/output.c -------------------------------------------------------*/
@@ -208,7 +214,7 @@ typedef int (*sr_resource_open_callback)(struct sr_resource *res,
 		const char *name, void *cb_data);
 typedef int (*sr_resource_close_callback)(struct sr_resource *res,
 		void *cb_data);
-typedef ssize_t (*sr_resource_read_callback)(const struct sr_resource *res,
+typedef gssize (*sr_resource_read_callback)(const struct sr_resource *res,
 		void *buf, size_t count, void *cb_data);
 
 SR_API int sr_resource_set_hooks(struct sr_context *ctx,
@@ -227,6 +233,7 @@ SR_API uint64_t sr_parse_timestring(const char *timestring);
 SR_API gboolean sr_parse_boolstring(const char *boolstring);
 SR_API int sr_parse_period(const char *periodstr, uint64_t *p, uint64_t *q);
 SR_API int sr_parse_voltage(const char *voltstr, uint64_t *p, uint64_t *q);
+SR_API int sr_parse_rational(const char *str, struct sr_rational *ret);
 
 /*--- version.c -------------------------------------------------------------*/