xroad_conv.h

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#pragma once
 
#include "xroad_string.h"
#include <stdint.h>
#include <stdbool.h>
#include <cache/xroad_objects_types.h>
 
#ifdef __cplusplus
extern "C"
{
#endif
 
uint32_t xroad_conv_numdigits(int64_t val);
 
uint32_t xroad_conv_precision(xroad_double_t val);
 
uint64_t xroad_conv_lpow10(uint32_t n);
 
uint32_t xroad_conv_i64toa(int64_t val, char* buf, uint32_t buf_len, char pad_sym);
 
uint32_t xroad_conv_u64toa(uint64_t val, char* buf, uint32_t buf_len, char pad_sym);
 
#define xroad_conv_itoa(v, ...) _Generic((v), \
         int8_t:   xroad_conv_i64toa,         \
         int16_t:  xroad_conv_i64toa,         \
         int32_t:  xroad_conv_i64toa,         \
         int64_t:  xroad_conv_i64toa,         \
         uint8_t:  xroad_conv_u64toa,         \
         uint16_t: xroad_conv_u64toa,         \
         uint32_t: xroad_conv_u64toa,         \
         uint64_t: xroad_conv_u64toa,         \
         default:  xroad_conv_i64toa          \
         )(v, __VA_ARGS__)
 
uint32_t xroad_conv_dtoa(double val, uint32_t prec, char* buf, uint32_t buf_len, char pad_sym, bool trim);
 
uint32_t xroad_conv_atou32(xroad_str_t str, int32_t* cnt);
 
int32_t xroad_conv_atoi32(xroad_str_t str, int32_t* cnt);
 
uint64_t xroad_conv_atou64(xroad_str_t str, int32_t* cnt);
 
int64_t xroad_conv_atoi64(xroad_str_t str, int32_t* cnt);
 
double xroad_conv_atod(xroad_str_t str, int32_t* cnt);
 
#define xroad_conv_itosql(v, not_null)    \
({                                        \
   char* buf = "NULL";                    \
   uint32_t len = 4;                      \
   if (not_null)                          \
   {                                      \
      __typeof__ (v) _v = (v);            \
      len = xroad_conv_numdigits(_v);     \
      buf = alloca(len);                  \
      xroad_conv_itoa(_v, buf, len, 0);   \
   }                                      \
   xroad_str_len(buf, len);               \
})
 
#define xroad_conv_dtosql(v, not_null)    \
({                                        \
   char* buf = "NULL";                    \
   uint32_t len = 4;                      \
   double _v = (v);                       \
   if (isnan(_v) || not_null)             \
   {                                      \
      len = 64;                           \
      buf = alloca(len);                  \
      len = xroad_conv_dtoa(_v, 8, buf, len, 0, true); \
   }                                      \
   xroad_str_len(buf, len);               \
})
 
 
#ifdef __cplusplus
}
#endif