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Add printf formatting macros for nk data types (PROP65) #893

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80dd024
Update nuklear.h
PROP65 Feb 8, 2025
479c89b
rebuild nuklear.h
PROP65 Feb 8, 2025
79548f4
fix MSVC warning
PROP65 Feb 8, 2025
943b652
Make macros more clear
PROP65 Feb 8, 2025
290d0c8
Rebuild nuklear.h
PROP65 Feb 8, 2025
f862c81
Update macros
PROP65 Feb 8, 2025
09438a4
remove hh (not allowed in C89, whoops), change pointers to hex
PROP65 Feb 8, 2025
9510cba
Rebuild nuklear.h again
PROP65 Feb 8, 2025
8c729d7
Change 32bit formatting on MSVC
PROP65 Feb 8, 2025
34d7f1a
Rebuild nuklear.h
PROP65 Feb 8, 2025
859c86c
Update changelog for 4.12.5
RobLoach Feb 11, 2025
447fa19
MinGW patch
PROP65 Feb 13, 2025
2ea9cb7
Rebuild nuklear.h
PROP65 Feb 13, 2025
8035d26
Merge branch 'master' of github.com:Immediate-Mode-UI/Nuklear into ty…
RobLoach Oct 25, 2025
5f6e571
Merge branch 'master' of github.com:Immediate-Mode-UI/Nuklear into ty…
RobLoach Feb 9, 2026
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4 changes: 2 additions & 2 deletions demo/common/overview.c
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Original file line number Diff line number Diff line change
Expand Up @@ -444,7 +444,7 @@ overview(struct nk_context *ctx)
}
/* progressbar combobox */
sum = prog_a + prog_b + prog_c + prog_d;
sprintf(buffer, "%lu", sum);
sprintf(buffer, "%" NK_FMT_SIZE, sum);
if (nk_combo_begin_label(ctx, buffer, nk_vec2(200,200))) {
nk_layout_row_dynamic(ctx, 30, 1);
nk_progress(ctx, &prog_a, 100, NK_MODIFIABLE);
Expand All @@ -456,7 +456,7 @@ overview(struct nk_context *ctx)

/* checkbox combobox */
sum = (size_t)(check_values[0] + check_values[1] + check_values[2] + check_values[3] + check_values[4]);
sprintf(buffer, "%lu", sum);
sprintf(buffer, "%" NK_FMT_SIZE, sum);
if (nk_combo_begin_label(ctx, buffer, nk_vec2(200,200))) {
nk_layout_row_dynamic(ctx, 30, 1);
nk_checkbox_label(ctx, weapons[0], &check_values[0]);
Expand Down
90 changes: 83 additions & 7 deletions nuklear.h
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Original file line number Diff line number Diff line change
Expand Up @@ -338,8 +338,9 @@ extern "C" {
*
* ===============================================================
*/
#ifdef NK_INCLUDE_FIXED_TYPES
#ifdef NK_INCLUDE_FIXED_TYPES
#include <stdint.h>
#include <inttypes.h>
#define NK_INT8 int8_t
#define NK_UINT8 uint8_t
#define NK_INT16 int16_t
Expand All @@ -348,39 +349,73 @@ extern "C" {
#define NK_UINT32 uint32_t
#define NK_SIZE_TYPE uintptr_t
#define NK_POINTER_TYPE uintptr_t
#define NK_INT8_FMT PRIi8
#define NK_UINT8_FMT PRIu8
#define NK_INT16_FMT PRIi16
#define NK_UINT16_FMT PRIu16
#define NK_INT32_FMT PRIi32
#define NK_UINT32_FMT PRIu32
#define NK_SIZE_TYPE_FMT PRIuPTR
#define NK_POINTER_TYPE_FMT PRIxPTR
#else
#ifndef NK_INT8
#define NK_INT8 signed char
#endif
#ifndef NK_INT8_FMT
#define NK_INT8_FMT "i"
#endif
#ifndef NK_UINT8
#define NK_UINT8 unsigned char
#endif
#ifndef NK_UINT8_FMT
#define NK_UINT8_FMT "u"
#endif
#ifndef NK_INT16
#define NK_INT16 signed short
#endif
#ifndef NK_INT16_FMT
#define NK_INT16_FMT "i"
#endif
#ifndef NK_UINT16
#define NK_UINT16 unsigned short
#endif
#ifndef NK_UINT16_FMT
#define NK_UINT16_FMT "u"
#endif
#ifndef NK_INT32
#if defined(_MSC_VER)
#if defined(_MSC_VER) || defined(__MINGW32__) || defined(__MINGW64__)
#define NK_INT32 __int32
#else
#define NK_INT32 signed int
#endif
#endif
#ifndef NK_INT32_FMT
#if defined(_MSC_VER) || defined(__MINGW32__) || defined(__MINGW64__)
#define NK_INT32_FMT "I32d"
#else
#define NK_INT32_FMT "i"
#endif
#endif
#ifndef NK_UINT32
#if defined(_MSC_VER)
#if defined(_MSC_VER) || defined(__MINGW32__) || defined(__MINGW64__)
#define NK_UINT32 unsigned __int32
#else
#define NK_UINT32 unsigned int
#endif
#endif
#ifndef NK_UINT32_FMT
#if defined(_MSC_VER) || defined(__MINGW32__) || defined(__MINGW64__)
#define NK_UINT32_FMT "I32u"
#else
#define NK_UINT32_FMT "u"
#endif
#endif
#ifndef NK_SIZE_TYPE
#if defined(_WIN64) && defined(_MSC_VER)
#if (defined(_WIN64) && defined(_MSC_VER)) || defined(__MINGW64__)
#define NK_SIZE_TYPE unsigned __int64
#elif defined(_WIN64) && (defined(__MINGW64__) || defined(__clang__))
#define NK_SIZE_TYPE unsigned long long
#elif (defined(_WIN32) || defined(WIN32)) && defined(_MSC_VER)
#elif ((defined(_WIN32) || defined(WIN32)) && defined(_MSC_VER)) || defined(__MINGW32__)
#define NK_SIZE_TYPE unsigned __int32
#elif (defined(_WIN32) || defined(WIN32)) && (defined(__MINGW32__) || defined(__clang__))
#define NK_SIZE_TYPE unsigned long
Expand All @@ -394,12 +429,27 @@ extern "C" {
#define NK_SIZE_TYPE unsigned long
#endif
#endif
#ifndef NK_SIZE_TYPE_FMT
#if (defined(_WIN64) && defined(_MSC_VER)) || defined(__MINGW64__)
#define NK_SIZE_TYPE_FMT "I64u"
#elif ((defined(_WIN32) || defined(WIN32)) && defined(_MSC_VER)) || defined(__MINGW32__)
#define NK_SIZE_TYPE_FMT "I32u"
#elif defined(__GNUC__) || defined(__clang__)
#if defined(__x86_64__) || defined(__ppc64__) || defined(__PPC64__) || defined(__aarch64__)
#define NK_SIZE_TYPE_FMT "lu"
#else
#define NK_SIZE_TYPE_FMT "u"
#endif
#else
#define NK_SIZE_TYPE_FMT "lu"
#endif
#endif
#ifndef NK_POINTER_TYPE
#if defined(_WIN64) && defined(_MSC_VER)
#if (defined(_WIN64) && defined(_MSC_VER)) || defined(__MINGW64__)
#define NK_POINTER_TYPE unsigned __int64
#elif defined(_WIN64) && (defined(__MINGW64__) || defined(__clang__))
#define NK_POINTER_TYPE unsigned long long
#elif (defined(_WIN32) || defined(WIN32)) && defined(_MSC_VER)
#elif (defined(_WIN32) || defined(WIN32)) && defined(_MSC_VER) || defined(__MINGW32__)
#define NK_POINTER_TYPE unsigned __int32
#elif (defined(_WIN32) || defined(WIN32)) && (defined(__MINGW32__) || defined(__clang__))
#define NK_POINTER_TYPE unsigned long
Expand All @@ -413,6 +463,21 @@ extern "C" {
#define NK_POINTER_TYPE unsigned long
#endif
#endif
#ifndef NK_POINTER_TYPE_FMT
#if (defined(_WIN64) && defined(_MSC_VER)) || defined(__MINGW64__)
#define NK_POINTER_TYPE_FMT "I64x"
#elif ((defined(_WIN32) || defined(WIN32)) && defined(_MSC_VER)) || defined(__MINGW32__)
#define NK_POINTER_TYPE_FMT "I32x"
#elif defined(__GNUC__) || defined(__clang__)
#if defined(__x86_64__) || defined(__ppc64__) || defined(__PPC64__) || defined(__aarch64__)
#define NK_POINTER_TYPE_FMT "lx"
#else
#define NK_POINTER_TYPE_FMT "x"
#endif
#else
#define NK_POINTER_TYPE_FMT "lx"
#endif
#endif
#endif

/**< could be any type with semantic of standard bool, either equal or smaller than int */
Expand All @@ -425,6 +490,16 @@ extern "C" {
#endif
#endif

#define NK_FMT_CHAR NK_INT8_FMT
#define NK_FMT_UCHAR NK_UINT8_FMT
#define NK_FMT_BYTE NK_UINT8_FMT
#define NK_FMT_SHORT NK_INT16_FMT
#define NK_FMT_USHORT NK_UINT16_FMT
#define NK_FMT_INT NK_INT32_FMT
#define NK_FMT_UINT NK_UINT32_FMT
#define NK_FMT_SIZE NK_SIZE_TYPE_FMT
#define NK_FMT_PTR NK_POINTER_TYPE_FMT

typedef NK_INT8 nk_char;
typedef NK_UINT8 nk_uchar;
typedef NK_UINT8 nk_byte;
Expand Down Expand Up @@ -30771,6 +30846,7 @@ nk_tooltipfv(struct nk_context *ctx, const char *fmt, va_list args)
/// - Fix: guard nk_pow, nk_ifloord, nk_log10 with preprocessor
/// - 2025/11/15 (4.13.0) - Fix: nk_property not updating 'win->edit.active'
/// Add new updated demo: sdl3_renderer
/// - Add printf formatting macros for nk data types
/// - 2025/10/08 (4.12.8) - Fix nk_widget_text to use NK_TEXT_ALIGN_LEFT by default,
/// instead of silently failing when no x-axis alignment is provided,
/// and refactor this function to keep the code style consistent
Expand Down
1 change: 1 addition & 0 deletions src/CHANGELOG
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
/// - Fix: guard nk_pow, nk_ifloord, nk_log10 with preprocessor
/// - 2025/11/15 (4.13.0) - Fix: nk_property not updating 'win->edit.active'
/// Add new updated demo: sdl3_renderer
/// - Add printf formatting macros for nk data types
/// - 2025/10/08 (4.12.8) - Fix nk_widget_text to use NK_TEXT_ALIGN_LEFT by default,
/// instead of silently failing when no x-axis alignment is provided,
/// and refactor this function to keep the code style consistent
Expand Down
89 changes: 82 additions & 7 deletions src/nuklear.h
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Original file line number Diff line number Diff line change
Expand Up @@ -115,8 +115,9 @@ extern "C" {
*
* ===============================================================
*/
#ifdef NK_INCLUDE_FIXED_TYPES
#ifdef NK_INCLUDE_FIXED_TYPES
#include <stdint.h>
#include <inttypes.h>
#define NK_INT8 int8_t
#define NK_UINT8 uint8_t
#define NK_INT16 int16_t
Expand All @@ -125,39 +126,73 @@ extern "C" {
#define NK_UINT32 uint32_t
#define NK_SIZE_TYPE uintptr_t
#define NK_POINTER_TYPE uintptr_t
#define NK_INT8_FMT PRIi8
#define NK_UINT8_FMT PRIu8
#define NK_INT16_FMT PRIi16
#define NK_UINT16_FMT PRIu16
#define NK_INT32_FMT PRIi32
#define NK_UINT32_FMT PRIu32
#define NK_SIZE_TYPE_FMT PRIuPTR
#define NK_POINTER_TYPE_FMT PRIxPTR
#else
#ifndef NK_INT8
#define NK_INT8 signed char
#endif
#ifndef NK_INT8_FMT
#define NK_INT8_FMT "i"
#endif
#ifndef NK_UINT8
#define NK_UINT8 unsigned char
#endif
#ifndef NK_UINT8_FMT
#define NK_UINT8_FMT "u"
#endif
#ifndef NK_INT16
#define NK_INT16 signed short
#endif
#ifndef NK_INT16_FMT
#define NK_INT16_FMT "i"
#endif
#ifndef NK_UINT16
#define NK_UINT16 unsigned short
#endif
#ifndef NK_UINT16_FMT
#define NK_UINT16_FMT "u"
#endif
#ifndef NK_INT32
#if defined(_MSC_VER)
#if defined(_MSC_VER) || defined(__MINGW32__) || defined(__MINGW64__)
#define NK_INT32 __int32
#else
#define NK_INT32 signed int
#endif
#endif
#ifndef NK_INT32_FMT
#if defined(_MSC_VER) || defined(__MINGW32__) || defined(__MINGW64__)
#define NK_INT32_FMT "I32d"
#else
#define NK_INT32_FMT "i"
#endif
#endif
#ifndef NK_UINT32
#if defined(_MSC_VER)
#if defined(_MSC_VER) || defined(__MINGW32__) || defined(__MINGW64__)
#define NK_UINT32 unsigned __int32
#else
#define NK_UINT32 unsigned int
#endif
#endif
#ifndef NK_UINT32_FMT
#if defined(_MSC_VER) || defined(__MINGW32__) || defined(__MINGW64__)
#define NK_UINT32_FMT "I32u"
#else
#define NK_UINT32_FMT "u"
#endif
#endif
#ifndef NK_SIZE_TYPE
#if defined(_WIN64) && defined(_MSC_VER)
#if (defined(_WIN64) && defined(_MSC_VER)) || defined(__MINGW64__)
#define NK_SIZE_TYPE unsigned __int64
#elif defined(_WIN64) && (defined(__MINGW64__) || defined(__clang__))
#define NK_SIZE_TYPE unsigned long long
#elif (defined(_WIN32) || defined(WIN32)) && defined(_MSC_VER)
#elif ((defined(_WIN32) || defined(WIN32)) && defined(_MSC_VER)) || defined(__MINGW32__)
#define NK_SIZE_TYPE unsigned __int32
#elif (defined(_WIN32) || defined(WIN32)) && (defined(__MINGW32__) || defined(__clang__))
#define NK_SIZE_TYPE unsigned long
Expand All @@ -171,12 +206,27 @@ extern "C" {
#define NK_SIZE_TYPE unsigned long
#endif
#endif
#ifndef NK_SIZE_TYPE_FMT
#if (defined(_WIN64) && defined(_MSC_VER)) || defined(__MINGW64__)
#define NK_SIZE_TYPE_FMT "I64u"
#elif ((defined(_WIN32) || defined(WIN32)) && defined(_MSC_VER)) || defined(__MINGW32__)
#define NK_SIZE_TYPE_FMT "I32u"
#elif defined(__GNUC__) || defined(__clang__)
#if defined(__x86_64__) || defined(__ppc64__) || defined(__PPC64__) || defined(__aarch64__)
#define NK_SIZE_TYPE_FMT "lu"
#else
#define NK_SIZE_TYPE_FMT "u"
#endif
#else
#define NK_SIZE_TYPE_FMT "lu"
#endif
#endif
#ifndef NK_POINTER_TYPE
#if defined(_WIN64) && defined(_MSC_VER)
#if (defined(_WIN64) && defined(_MSC_VER)) || defined(__MINGW64__)
#define NK_POINTER_TYPE unsigned __int64
#elif defined(_WIN64) && (defined(__MINGW64__) || defined(__clang__))
#define NK_POINTER_TYPE unsigned long long
#elif (defined(_WIN32) || defined(WIN32)) && defined(_MSC_VER)
#elif (defined(_WIN32) || defined(WIN32)) && defined(_MSC_VER) || defined(__MINGW32__)
#define NK_POINTER_TYPE unsigned __int32
#elif (defined(_WIN32) || defined(WIN32)) && (defined(__MINGW32__) || defined(__clang__))
#define NK_POINTER_TYPE unsigned long
Expand All @@ -190,6 +240,21 @@ extern "C" {
#define NK_POINTER_TYPE unsigned long
#endif
#endif
#ifndef NK_POINTER_TYPE_FMT
#if (defined(_WIN64) && defined(_MSC_VER)) || defined(__MINGW64__)
#define NK_POINTER_TYPE_FMT "I64x"
#elif ((defined(_WIN32) || defined(WIN32)) && defined(_MSC_VER)) || defined(__MINGW32__)
#define NK_POINTER_TYPE_FMT "I32x"
#elif defined(__GNUC__) || defined(__clang__)
#if defined(__x86_64__) || defined(__ppc64__) || defined(__PPC64__) || defined(__aarch64__)
#define NK_POINTER_TYPE_FMT "lx"
#else
#define NK_POINTER_TYPE_FMT "x"
#endif
#else
#define NK_POINTER_TYPE_FMT "lx"
#endif
#endif
#endif

/**< could be any type with semantic of standard bool, either equal or smaller than int */
Expand All @@ -202,6 +267,16 @@ extern "C" {
#endif
#endif

#define NK_FMT_CHAR NK_INT8_FMT
#define NK_FMT_UCHAR NK_UINT8_FMT
#define NK_FMT_BYTE NK_UINT8_FMT
#define NK_FMT_SHORT NK_INT16_FMT
#define NK_FMT_USHORT NK_UINT16_FMT
#define NK_FMT_INT NK_INT32_FMT
#define NK_FMT_UINT NK_UINT32_FMT
#define NK_FMT_SIZE NK_SIZE_TYPE_FMT
#define NK_FMT_PTR NK_POINTER_TYPE_FMT

typedef NK_INT8 nk_char;
typedef NK_UINT8 nk_uchar;
typedef NK_UINT8 nk_byte;
Expand Down