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void fatal_error(const char* msg, ...) {
va_list args;
va_start(args, msg);
vfprintf(stderr, msg, args);
va_end(args);
fprintf(stderr, "\n");
exit(1);
}
#define unreachable() fatal_error("%s:%d: unreachable", __FILE__, __LINE__)
#define unimplemented() fatal_error("%s:%d: unimplemented", __FILE__, __LINE__)
struct String {
char* data;
size_t len;
};
typedef struct String String;
char* string_to_cstr(const String* s) {
char* buf = calloc(s->len + 1, sizeof(char));
memcpy(buf, s->data, s->len);
return buf;
}
BOOL string_equals(const String* s1, const String* s2) {
return s1->len == s2->len && strncmp(s1->data, s2->data, s1->len) == 0;
}
BOOL string_equals_cstr(const String* s1, const char* s2) {
size_t s2_len = strlen(s2);
return s1->len == s2_len && strncmp(s1->data, s2, s1->len) == 0;
}
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