Replace deprecated sprintf with snprintf

This replaces unsafe sprintf with snprintf to address security concerns
and compiler deprecation warning on macOS.

The change explicitly specifies buffer size to prevent potential buffer
overflows while maintaining the same functionality.

Author: jserv

src/main.c

@@ -184,8 +184,10 @@ static bool parse_args(int argc, char **args)
                                strlen(prog_basename) + 5 + 1);
         assert(prof_out_file);
 
-        sprintf(prof_out_file, "%s/%s%s.prof", cwd_path, rel_path,
-                prog_basename);
+        snprintf(prof_out_file,
+                 strlen(cwd_path) + 1 + strlen(rel_path) +
+                     strlen(prog_basename) + 5 + 1,
+                 "%s/%s%s.prof", cwd_path, rel_path, prog_basename);
     }
     return true;
 }