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#ifndef BASE_STRING_H
#define BASE_STRING_H
#define StringLit(string) \
(string8){ .data = (u8 *)(string), .size = (sizeof(string) - 1) }
#define PushString(arena, size) \
({ \
string8 *result = PushStruct((arena), string8); \
result->data = PushArray((arena), u8, (size)); \
result->size = (u64)(size); \
result; \
})
#define StringCast(data, size) (string8){(u8 *)(data), (u64)(size) }
#define StringPCast(data, size) (string8 *){(u8 *)(data), (u64)(size) }
#define StringFmt "%.*s"
#define ULongFmt "%lu"
#define ULLongFmt "%llu"
typedef struct string8 string8;
struct string8
{
u8 *data;
u64 size;
};
internal b8
string8_cmp(string8 a, string8 b)
{
if (a.size != b.size) return 0;
return (b8)(memcmp(a.data, b.data, a.size) == 0);
}
internal u64
string8_to_u64(u8 *buf, umm len)
{
u64 value = 0;
for (umm i = 0; i < len; ++i)
{
u8 c = buf[i];
if (c < '0' || c > '9') break;
value = value * 10 + (c - '0');
}
return value;
}
internal void
string8_append_char(string8 *buf, u8 c)
{
buf->data[buf->size] = c;
buf->size += 1;
}
read_only global_variable
string8 nil_string =
{
.data = NULL,
.size = 0,
};
#endif /* BASE_STRING_H */
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