Test return values of _all_ *printf() calls.

[plomrogue] / src / common / rexit.c

diff --git a/src/common/rexit.c b/src/common/rexit.c
index d8598cd04888b519694b51250d3b349539387fa7..7e16f12f7c8bce1aeed17635c9f73ef8f963a8c1 100644 (file)
--- a/src/common/rexit.c
+++ b/src/common/rexit.c
@@ -51,7 +51,8 @@ extern void exit_trouble(int err, char * parent, char * child)
     uint16_t size = strlen(p1) + strlen(parent) + strlen(p2) + strlen(child)
                     + strlen(p3) + 1;
     char * msg = try_malloc(size, f_name);
-    sprintf(msg, "%s%s%s%s%s", p1, parent, p2, child, p3);
+    int test = sprintf(msg, "%s%s%s%s%s", p1, parent, p2, child, p3);
+    exit_err(test < 0, "Trouble in exit_trouble() with sprintf()");
     exit_err(err, msg);
     free(msg);
 }