diff mbox series

[v2,3/4] tools/nolibc: sys.h: apply __sysret() helper

Message ID 20039f63dbbb54889c310196e909469ace5e503e.1686036862.git.falcon@tinylab.org
State New
Headers show
Series tools/nolibc: add two new syscall helpers | expand

Commit Message

Zhangjin Wu June 6, 2023, 8:16 a.m. UTC 
Use __sysret() to shrink both brk() and getpagesize() to oneline code.

Signed-off-by: Zhangjin Wu <falcon@tinylab.org>
---
 tools/include/nolibc/sys.h | 18 ++----------------
 1 file changed, 2 insertions(+), 16 deletions(-)
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Patch

diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h
index c12c14db056e..f6e3168b3e50 100644
--- a/tools/include/nolibc/sys.h
+++ b/tools/include/nolibc/sys.h
@@ -78,13 +78,7 @@  void *sys_brk(void *addr)
 static __attribute__((unused))
 int brk(void *addr)
 {
-	void *ret = sys_brk(addr);
-
-	if (!ret) {
-		SET_ERRNO(ENOMEM);
-		return -1;
-	}
-	return 0;
+	return __sysret(sys_brk(addr) ? 0 : -ENOMEM);
 }
 
 static __attribute__((unused))
@@ -547,15 +541,7 @@  static unsigned long getauxval(unsigned long key);
 static __attribute__((unused))
 long getpagesize(void)
 {
-	long ret;
-
-	ret = getauxval(AT_PAGESZ);
-	if (!ret) {
-		SET_ERRNO(ENOENT);
-		return -1;
-	}
-
-	return ret;
+	return __sysret(getauxval(AT_PAGESZ) ?: -ENOENT);
 }