X-Git-Url: http://j8takagi.net/cgi-bin/gitweb.cgi?p=YACASL2.git;a=blobdiff_plain;f=src%2Fword.c;h=5f49cc4630eaab65912836ea60731112a241f44f;hp=655e766271198eadd77b1caa4a4220c2e228b384;hb=555c5e8b851becc08ba661a9cb19f617d5a00c12;hpb=a901ac636091cc9d044a78525064b699ef7a2760

diff --git a/src/word.c b/src/word.c
index 655e766..5f49cc4 100644
--- a/src/word.c
+++ b/src/word.c
@@ -1,9 +1,22 @@
 #include "word.h"
 
+/* wordのエラー定義 */
+CERR cerr_word[] = {
+    { 114, "not integer" },
+    { 115, "not hex" },
+    { 116, "out of hex range" },
+};
+
+bool addcerrlist_word()
+{
+    return addcerrlist(ARRAYSIZE(cerr_word), cerr_word);
+}
+
 /* 10進数の文字列をWORD値に変換 */
 WORD n2word(const char *str)
 {
     assert(isdigit(*str) || *str == '-');
+
     char *check;
     int n;
     /* WORD値に変換 */
@@ -23,6 +36,7 @@ WORD n2word(const char *str)
 WORD h2word(const char *str)
 {
     assert(*str == '#');
+
     WORD word = 0x0;
     char *check;
     str++;
@@ -42,6 +56,7 @@ WORD h2word(const char *str)
 /* 10進数または16進数の文字列をWORD値に変換 */
 WORD nh2word(const char *str)
 {
+    addcerrlist_word();
     WORD word;
     if(!isdigit(*str) && *str != '-' && *str != '#') {
         setcerr(114, str);    /* not integer */
@@ -58,25 +73,33 @@ WORD nh2word(const char *str)
 /* WORD値を10進数の文字列に変換 */
 char *word2n(WORD word)
 {
-    char *p = malloc(6), *q = malloc(6);
+    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, *p;
-    bit = malloc(16 + 1);
-    p = bit;
+
+    bit = p = malloc_chk(MAXLEN + 1, "word2bit.bit");
     do {
         *p++ = (word & mask) ? '1' : '0';
     } while((mask >>= 1) > 0);