Increased MAXLINE and added overflow check in substitute() (2041f82b) · Commits · 郑智淋 / lammps

src/input.cpp

+9 −1

Original line number	Diff line number	Diff line
		@@ -46,7 +46,7 @@
		#undef AtomInclude
		#undef CommandInclude

		#define MAXLINE 1024
		#define MAXLINE 2048
		#define DELTA 4

		/* ---------------------------------------------------------------------- */
		@@ -358,7 +358,15 @@ void Input::substitute(char *str, int flag)

		*ptr = '\0';
		strcpy(work,str);
		if (strlen(work)+strlen(value) >= MAXLINE) {
		sprintf(str,"Input line too long after variable substitution: %s %s",work,value);
		error->one(str);
		}
		strcat(work,value);
		if (strlen(work)+strlen(beyond) >= MAXLINE) {
		sprintf(str,"Input line too long after variable substitution: %s %s",work,beyond);
		error->one(str);
		}
		strcat(work,beyond);
		strcpy(str,work);
		ptr += strlen(value);