fixes #782

raback · raback · commit 85e16d005de2 · 2026-02-26T19:11:16.000+02:00
diff --git a/elmergrid/src/egmesh.c b/elmergrid/src/egmesh.c
@@ -7332,8 +7332,15 @@ void ElementsToBoundaryConditions(struct FemType *data,
 		  sprintf(data->boundaryname[material],"body%d",material);
 	      }
 	    }
-	    if(!strncmp(data->boundaryname[material],"body",4)) {
-	      strncpy(data->boundaryname[material],"bnry",4);
+	    
+	    if(material < MAXBCS ) {
+	      if(!data->boundaryname[material]) data->boundaryname[material] = Cvector(0,MAXNAMESIZE);
+	      if(!strncmp(data->boundaryname[material],"body",4)) {
+		strncpy(data->boundaryname[material],"bnry",4);
+	      }
+	    }
+	    else {
+	      printf("Boundary index %d exceeds the maximum allocated space for names %d\n",material,MAXBCS);
 	    }
 	  }
 

Original file line number	Diff line number	Diff line change
`@@ -7332,8 +7332,15 @@ void ElementsToBoundaryConditions(struct FemType *data,`
`7332`	`7332`	`sprintf(data->boundaryname[material],"body%d",material);`
`7333`	`7333`	`}`
`7334`	`7334`	`}`
`7335`		`- if(!strncmp(data->boundaryname[material],"body",4)) {`
`7336`		`- strncpy(data->boundaryname[material],"bnry",4);`
	`7335`	`+`
	`7336`	`+ if(material < MAXBCS ) {`
	`7337`	`+ if(!data->boundaryname[material]) data->boundaryname[material] = Cvector(0,MAXNAMESIZE);`
	`7338`	`+ if(!strncmp(data->boundaryname[material],"body",4)) {`
	`7339`	`+ strncpy(data->boundaryname[material],"bnry",4);`
	`7340`	`+ }`
	`7341`	`+ }`
	`7342`	`+ else {`
	`7343`	`+ printf("Boundary index %d exceeds the maximum allocated space for names %d\n",material,MAXBCS);`
`7337`	`7344`	`}`
`7338`	`7345`	`}`
`7339`	`7346`