Replace deprecated sprintf with snprintf

This change replaces the unsafe use of sprintf with snprintf to address
security concerns and resolve a compiler deprecation warning on macOS.
By explicitly specifying the buffer size, it prevents potential buffer
overflows while preserving 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;
 }