hyperoptimized file reading

include/utils.h

@@ -2,7 +2,7 @@
 #define LINUXSMARTIE_UTILS_H
 
 #include <stdint.h>
-#include <sys/types.h>
+#include <sys/types.h> // NOLINT yes its, needed for ssize_t
 
 #if __STDC_VERSION__ >= 202000L
 #define C_STD "C23"
@@ -22,17 +22,20 @@
 #define P_BYTES(bytes, start) pretty_bytes((bytes), (start), (char[16]){0}, 16)
 #define P_NUM(num) pretty_num((num), (char[16]){0}, 16)
 
-typedef enum {
+typedef enum : uint8_t {
 	SENSOR_I16,
+	SENSOR_U8,
+	SENSOR_U16,
+	SENSOR_U64,
+	SENSOR_FLOAT,
 } sensor_type_t;
 
 typedef struct {
-	char path[256];
+	sensor_type_t type;
 	int fd;
 	void* value;
 	uint32_t divider;
-	sensor_type_t type;
-} sensor_t;
+} sensor_file_t;
 
 int get_instance_lock();
 
@@ -46,22 +49,12 @@ char *pretty_bytes(uint64_t bytes, int8_t start_suffix, char *buf, size_t bufsz)
 
 int get_hwmon_dir(char *path, size_t bufsz);
 
-ssize_t read_file(const char *dir, const char *file, char *buffer, size_t n);
+void open_sensor(sensor_file_t* s, const char* dir, const char *file, void* value, uint32_t divider, sensor_type_t type);
 
-void fast_read_num_u64(const char *dir, const char *file, char *buf, uint64_t *result, uint32_t divider);
+void fast_read_sensor_into_mem(const sensor_file_t *s, void* val);
 
-void fast_read_num_u16(const char *dir, const char *file, char *buf, uint16_t *result, uint32_t divider);
+void fast_read_sensor(const sensor_file_t *s);
 
-void fast_read_num_u8(const char *dir, const char *file, char *buf, uint8_t *result, uint32_t divider);
-
-void fast_read_num_i16(const char *dir, const char *file, char *buf, int16_t *result, uint32_t divider);
-
-void fast_read_num_f(const char *dir, const char *file, char *buf, float *result, uint32_t divider);
-
-void open_sensor(sensor_t* s, const char* dir, const char *file, void* value, uint32_t divider, sensor_type_t type);
-
-void fast_read_sensor_i16(const sensor_t *s);
-
-void close_sensor(const sensor_t* s);
+void close_sensor(const sensor_file_t* s);
 
 #endif