add nul terminator to msg string in LG_ERROR_MSG macro

DrTimothyAldenDavis · DrTimothyAldenDavis · commit 2fefbab9e4b1 · 2026-01-14T15:18:33.000-06:00
diff --git a/src/utility/LG_internal.h b/src/utility/LG_internal.h
@@ -89,6 +89,7 @@ typedef unsigned char LG_void ;
     if (msg != NULL && msg [0] == '\0')                             \
     {                                                               \
         snprintf (msg, LAGRAPH_MSG_LEN, __VA_ARGS__) ;              \
+        msg [LAGRAPH_MSG_LEN-1] = '\0' ;                            \
     }                                                               \
 }
 

Original file line number	Diff line number	Diff line change
`@@ -89,6 +89,7 @@ typedef unsigned char LG_void ;`
`89`	`89`	`if (msg != NULL && msg [0] == '\0') \`
`90`	`90`	`{ \`
`91`	`91`	`snprintf (msg, LAGRAPH_MSG_LEN, __VA_ARGS__) ; \`
	`92`	`+ msg [LAGRAPH_MSG_LEN-1] = '\0' ; \`
`92`	`93`	`} \`
`93`	`94`	`}`
`94`	`95`