68d1efb759
- Dyamically load minimum crt symbols in os backend so we don't need to #include c headers - Some more os calls: - write to stdout (with our string type) - macros for variadic argument lists - Dynamic library loading
45 lines
No EOL
1 KiB
C
45 lines
No EOL
1 KiB
C
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void * memcpy (void *,const void *,size_t);
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typedef struct string {
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u8 *data;
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u64 count;
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} string;
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void push_temp_allocator();
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#define cstr const_string
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#define const_string(s) (string){ (u8*)s, length_of_null_terminated_string(s) }
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inline u64 length_of_null_terminated_string(const char* cstring) {
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u64 len = 0;
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while (*cstring != 0) {
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len += 1;
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cstring += 1;
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}
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return len;
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}
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// context.allocator !
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string string_concat(string left, string right) {
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string result;
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result.count = left.count + right.count;
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result.data = cast(u8*)alloc(result.count);
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memcpy(result.data, left.data, left.count);
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memcpy(result.data+left.count, right.data, right.count);
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return result;
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}
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// context.allocator !
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char *convert_to_null_terminated_string(string s) {
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char *cstring = cast(char*)alloc(s.count+1);
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memcpy(cstring, s.data, s.count);
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cstring[s.count] = 0;
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return cstring;
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}
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char *temp_convert_to_null_terminated_string(string s) {
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push_temp_allocator();
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char *c = convert_to_null_terminated_string(s);
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pop_allocator();
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return c;
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} |