Added checking of return value from my_once_alloc() in charset

Added checking of return value from malloc() in reg_init()


client/mysqltest.c:
  Added comment
dbug/dbug.c:
  Removed not needed test
mysys/charset.c:
  Added checking of return value from my_once_alloc()
regex/reginit.c:
  Abort if out of memory in reg_init() (unlikely)
sql/item_strfunc.cc:
  Added comment

1 files changed, 10 insertions, 0 deletions

diff --git a/regex/reginit.c b/regex/reginit.c
index 18647c386fc..309685fadf2 100644
--- a/regex/reginit.c
+++ b/regex/reginit.c
@@ -49,6 +49,16 @@ void regex_init()
     for (i=0; i < CCLASS_LAST ; i++)
     {
       char *tmp=(char*) malloc(count[i]+1);
+      if (!tmp)
+      {
+	/*
+	  This is very unlikely to happen as this function is called once
+	  at program startup
+	*/
+	fprintf(stderr,
+		"Fatal error: Can't allocate memory in regex_init\n");
+	exit(1);
+      }
       memcpy(tmp,buff[i],count[i]*sizeof(char));
       tmp[count[i]]=0;
       cclasses[i].chars=tmp;