From 9a48fd93fe01972f0de42c6349e2e8a8160ec5df Mon Sep 17 00:00:00 2001
From: j8takagi <j8takagi@nifty.com>
Date: Thu, 28 Apr 2011 00:46:11 +0900
Subject: [PATCH] =?utf8?q?=E3=83=A9=E3=83=99=E3=83=AB=E3=81=8C=E7=A9=BA?=
 =?utf8?q?=E3=81=AE=E3=81=A8=E3=81=8D=E3=80=81=E5=A4=89=E6=95=B0=E3=81=ABN?=
 =?utf8?q?ULL=E3=81=A7=E3=81=AF=E3=81=AA=E3=81=8F'\0'=E3=82=92=E8=A8=AD?=
 =?utf8?q?=E5=AE=9A=E3=81=99=E3=82=8B=E3=82=88=E3=81=86=E5=A4=89=E6=9B=B4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=utf8
Content-Transfer-Encoding: 8bit

---
 src/assemble.c | 20 ++++++++++----------
 src/label.c    |  2 +-
 src/token.c    |  7 ++++---
 3 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/src/assemble.c b/src/assemble.c
index 343aa52..23ce8ac 100644
--- a/src/assemble.c
+++ b/src/assemble.c
@@ -82,7 +82,7 @@ static CMD ascmd[] = {
     { "END", assemble_end },
     { "DS", assemble_ds },
     { "DC", assemble_dc },
-    { NULL, NULL }
+    { "", NULL }
 };
 
 /**
@@ -93,7 +93,7 @@ static CMD macrocmd[] = {
     { "IN", assemble_in },
     { "RPUSH", assemble_rpush },
     { "RPOP", assemble_rpop },
-    { NULL, NULL }
+    { "", NULL }
 };
 
 /**
@@ -257,7 +257,7 @@ void assemble_start(const CMDLINE *cmdl, PASS pass)
         setcerr(106, "");    /* operand count mismatch */
         return;
     }
-    if(cmdl->label == NULL) {
+    if(cmdl->label == '\0') {
         setcerr(107, "");    /* no label in START */
         return;
     }
@@ -468,7 +468,7 @@ bool casl2cmd(CMD *cmdtbl, const CMDLINE *cmdl, PASS pass)
 {
     int i;
     void (*cmdptr)();
-    for(i = 0; cmdtbl[i].name != NULL; i++) {
+    for(i = 0; *(cmdtbl[i].name) != '\0'; i++) {
         if(strcmp(cmdl->cmd, cmdtbl[i].name) == 0) {
             cmdptr = cmdtbl[i].ptr;
             (*cmdptr)(cmdl, pass);
@@ -575,7 +575,7 @@ bool assemble_comet2cmd(const CMDLINE *cmdl, PASS pass)
 bool assembletok(const CMDLINE *cmdl, PASS pass)
 {
     /* 命令がない場合 */
-    if(cmdl->cmd == NULL) {
+    if(*(cmdl->cmd) == '\0') {
         return true;
     }
     /* アセンブラ命令またはマクロ命令の書込 */
@@ -604,14 +604,14 @@ bool assembleline(const char *line, PASS pass)
     stat = (cerr->num == 0) ? true : false;
     if(cmdl != NULL) {
         if(stat == true) {
-            if(pass == FIRST && cmdl->label != NULL) {
+            if(pass == FIRST && cmdl->label != '\0') {
                 stat = addlabel(asptr->prog, cmdl->label, asptr->ptr);
             }
-            if(stat == true) {
-                stat = assembletok(cmdl, pass);
-            }
-            FREE(cmdl->label);
         }
+        if(stat == true) {
+            stat = assembletok(cmdl, pass);
+        }
+        FREE(cmdl->label);
         if(cmdl->opd != NULL) {
             for(i = 0; i < cmdl->opd->opdc; i++) {
                 FREE(cmdl->opd->opdv[i]);
diff --git a/src/label.c b/src/label.c
index 5650a1f..efa52c3 100644
--- a/src/label.c
+++ b/src/label.c
@@ -59,7 +59,7 @@ unsigned labelhash(const char *prog, const char *label)
  */
 WORD getlabel(const char *prog, const char *label)
 {
-    assert(label != NULL);
+    assert(prog != NULL && label != NULL);
     LABELTAB *p;
 
     for(p = labels[labelhash(prog, label)]; p != NULL; p = p->next) {
diff --git a/src/token.c b/src/token.c
index fb35c8b..d2242af 100644
--- a/src/token.c
+++ b/src/token.c
@@ -122,16 +122,17 @@ CMDLINE *linetok(const char *line)
     if(*tokens != '\n' && *tokens != '\0') {
         p = tokens;
         cmdl = malloc_chk(sizeof(CMDLINE), "cmdl");
+        cmdl->label = malloc_chk(sizeof(LABELSIZE + 1), "cmdl.label");
         /* ラベルの取得。行の先頭が空白またはタブの場合、ラベルは空 */
         if((sepp = p + strcspn(p, " \t\n")) == p){
-            cmdl->label = NULL;
+            cmdl->label = '\0';
         } else {        /* ラベルを取得 */
             *sepp = '\0';
             /* 文字列が長すぎる場合はエラー */
             if(strlen(p) > LABELSIZE) {
                 setcerr(104, p);    /* label length is too long */
             }
-            cmdl->label = strdup_chk(p, "cmdl.label");
+            strcpy(cmdl->label, p);
             p = sepp + 1;
         }
         /* ラベルと命令の間の空白をスキップ */
@@ -140,7 +141,7 @@ CMDLINE *linetok(const char *line)
         }
         /* 命令とオペランドの取得 */
         if(*p == '\n' || *p == '\0') {        /* 命令がない場合は、終了 */
-            if(cmdl->label != NULL) {         /* ラベルが定義されていて命令がない場合はエラー */
+            if(cmdl->label != '\0') {         /* ラベルが定義されていて命令がない場合はエラー */
                 setcerr(105, "");    /* no command in the line */
             }
             FREE(cmdl);
-- 
2.18.0