#include "word.h"
+#include "cerr.h"
/* wordのエラー定義 */
CERR cerr_word[] = {
/* WORD値を10進数の文字列に変換 */
char *word2n(WORD word)
{
- char *p = malloc_chk(6, "word2n.p"), *q = malloc_chk(6, "word2n.q");
+ enum {
+ MAXLEN = 6, /* WORD値を10進数で表したときの最大桁数 */
+ };
+ char *p = malloc_chk(MAXLEN, "word2n.p"), *digit = malloc_chk(MAXLEN, "word2n.digit");
int i = 0, j;
+
do{
*(p + i++) = word % 10 + '0';
} while((word /= 10) > 0);
for(j = 0; j < i; j++) {
- *(q + j) = *(p + (i - 1) - j);
+ *(digit + j) = *(p + (i - 1) - j);
}
- *(q + j + 1) = '\0';
- return q;
+ *(digit + j + 1) = '\0';
+ free_chk(p, "word2n.p");
+ return digit;
}
/* WORD値を2進数の文字列に変換 */
char *word2bit(const WORD word)
{
+ enum {
+ MAXLEN = 16, /* WORD値を2進数で表したときの最大桁数 */
+ };
WORD mask = 0x8000;
- char *bit = malloc_chk(16 + 1, "word2bit.bit"), *p;
- p = bit;
+ char *bit, *p;
+
+ bit = p = malloc_chk(MAXLEN + 1, "word2bit.bit");
do {
*p++ = (word & mask) ? '1' : '0';
} while((mask >>= 1) > 0);