rstdlib

Commit: 0ada27c25a107564321cdb43e884b9a9e9cb1484
Parent: c59ba1f5d312c5b1ea6929e35e3364242227d5a3
Author: Randy Palamar
Date:   Sun, 22 Mar 2026 09:47:43 -0600

types: add f16 and "standard" bitmap header

also drop union from str8. while needing a cast is linux land is
ugly, it is more clear that it is the programmer's responsibility
to ensure 0 termination at those locations.

Diffstat:
M
rstd_platform.h
 | 
3
+--
M
rstd_types.h
 | 
43
++++++++++++++++++++++++++++++++++++++++---

2 files changed, 41 insertions(+), 5 deletions(-)
diff --git a/rstd_platform.h b/rstd_platform.h
@@ -96,7 +96,6 @@ syscall4(LinuxSyscall n, s64 a1, s64 a2, s64 a3, s64 a4)
 	return result;
 }
 
-
 function force_inline u64
 syscall5(LinuxSyscall n, s64 a1, s64 a2, s64 a3, s64 a4, s64 a5)
 {
@@ -253,7 +252,7 @@ sys_open_file_at(str8 path, FileHandle directory, FileOpenFlags flags)
 	char cpath[MaxPathLength];
 
 	u64  path_length = Min(path.length, countof(cpath) - 1);
-	memory_copy(cpath, path.str, path_length);
+	memory_copy(cpath, path.data, path_length);
 	cpath[path_length] = 0;
 
 	s32 linux_flags = 0;
diff --git a/rstd_types.h b/rstd_types.h
@@ -22,6 +22,7 @@
   typedef __INT16_TYPE__    s16;
   typedef __UINT8_TYPE__    u8;
   typedef __INT8_TYPE__     s8;
+  typedef _Float16          f16;
 #endif
 
 typedef u8     b8;
@@ -46,9 +47,45 @@ typedef u64    uptr;
 #define MB(a)   ((u64)(a) << 20ULL)
 #define KB(a)   ((u64)(a) << 10ULL)
 
-typedef struct {s64 length; u16 *str;} str16;
-typedef struct {s64 length; union {u8 *str; s8 *c_str;}; } str8;
-#define str8(s) (str8){.length = (s64)sizeof(s) - 1, .str = (u8 *)s}
+typedef struct {s64 length; u16 *data;} str16;
+typedef struct {s64 length; u8  *data;} str8;
+
+#define str8(s)      (str8){.length = (s64)sizeof(s) - 1, .data = (u8 *)s}
 #define str8_comp(s) {sizeof(s) - 1, (u8 *)s}
 
+#pragma pack(push, 1)
+typedef struct {
+	u16 file_type;
+	u32 file_size;
+	u16 reserved_1;
+	u16 reserved_2;
+	u32 bitmap_offset;
+
+	u32 size;
+	s32 width;
+	s32 height;
+	u16 planes;
+	u16 bits_per_pixel;
+
+	u32 compression;
+	u32 size_of_bitmap;
+
+	s32 horizontal_resolution;
+	s32 vertical_resolution;
+	u32 colours_used;
+	u32 colours_important;
+
+	u32 red_mask;
+	u32 green_mask;
+	u32 blue_mask;
+	u32 alpha_mask;
+
+	u32 colour_space_type;
+	u32 cie_xyz_triples[9];
+	u32 gamma_red;
+	u32 gamma_green;
+	u32 gamma_blue;
+} rstd_bitmap_header;
+#pragma pack(pop)
+
 #endif /* RSTD_TYPES_H */