fix: build warning

2025-04-20 09:18:32 +08:00
parent 5b0faf2286
commit 1a174b1828
2 changed files with 8 additions and 3 deletions
--- a/src/maomao.c
+++ b/src/maomao.c
@@ -1353,7 +1353,12 @@ pid_t getparentprocess(pid_t p) {
  if (!(f = fopen(buf, "r")))
    return 0;

-  fscanf(f, "%*u %*s %*c %u", &v);
+  // 检查fscanf返回值，确保成功读取了1个参数
+  if (fscanf(f, "%*u %*s %*c %u", &v) != 1) {
+      fclose(f);
+      return 0;
+  }
+  
  fclose(f);

  return (pid_t)v;