added macros for printf format codes

include/tlibc/std.h

@@ -7,21 +7,23 @@ extern "C" {
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
+#include <inttypes.h>
 #include <stddef.h>
 #include <string.h>
 #include <stdarg.h>
 #include <errno.h>
 
-typedef int8_t i8;
-typedef uint8_t u8;
-typedef int16_t i16;
-typedef uint16_t u16;
-typedef int32_t i32;
-typedef uint32_t u32;
-typedef int64_t i64;
-typedef uint64_t u64;
-typedef float f32;
-typedef double f64;
+typedef int8_t      i8;
+typedef int16_t     i16;
+typedef int32_t     i32;
+typedef int64_t     i64;
+typedef uint8_t     u8;
+typedef uint16_t    u16;
+typedef uint32_t    u32;
+typedef uint64_t    u64;
+typedef float       f32;
+typedef double      f64;
+typedef const char* cstr;
 
 #if !__cplusplus && !defined(bool)
 typedef u8 bool;
@@ -29,7 +31,29 @@ typedef u8 bool;
 #define false 0
 #endif
 
-typedef const char* cstr;
+
+#define FMT_i8      "%"PRIi8
+#define FMT_i16     "%"PRIi16
+#define FMT_i32     "%"PRIi32
+#define FMT_i64     "%"PRIi64
+#define FMT_u8      "%"PRIu8
+#define FMT_u16     "%"PRIu16
+#define FMT_u32     "%"PRIu32
+#define FMT_u64     "%"PRIu64
+#define FMT_x8      "%"PRIx8
+#define FMT_x16     "%"PRIx16
+#define FMT_x32     "%"PRIx32
+#define FMT_x64     "%"PRIx64
+#define FMT_X8      "%"PRIX8
+#define FMT_X16     "%"PRIX16
+#define FMT_X32     "%"PRIX32
+#define FMT_X64     "%"PRIX64
+#define FMT_o8      "%"PRIo8
+#define FMT_o16     "%"PRIo16
+#define FMT_o32     "%"PRIo32
+#define FMT_o64     "%"PRIo64
+#define FMT_f32     "%f"
+#define FMT_f64     "%lf"
 
 #define dbg(N) printf("\e[95m%d\n",N)
 

include/tlibc/string/StringBuilder.h

@@ -30,6 +30,7 @@ void StringBuilder_append_cstr(StringBuilder* b, cstr s);
 void StringBuilder_append_str(StringBuilder* b, str s);
 void StringBuilder_append_i64(StringBuilder* b, i64 a);
 void StringBuilder_append_u64(StringBuilder* b, u64 a);
+void StringBuilder_append_f32(StringBuilder* b, f32 n);
 void StringBuilder_append_f64(StringBuilder* b, f64 a);
 void StringBuilder_append_memory(StringBuilder* b, Array(u8) mem, bool uppercase);
 

include/tlibc/string/str.h

@@ -11,6 +11,8 @@ typedef struct str {
     bool isZeroTerminated;
 } str;
 
+#define FMT_str "%.*s"
+
 /// creates str from a string literal
 #define STR(LITERAL) str_construct(LITERAL, ARRAY_LEN(LITERAL) - 1, true)