[glibc/maskray/lld] mntent: Use __putc_unlocked instead of fputc_unlocked

[glibc/maskray/lld] mntent: Use __putc_unlocked instead of fputc_unlocked

[Fangrui Song]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=eeaa19f75e52d2d48074ae0c423f2311d67c42c6

commit eeaa19f75e52d2d48074ae0c423f2311d67c42c6
Author: Siddhesh Poyarekar <siddhesh@sourceware.org>
Date:   Fri Jan 8 21:01:25 2021 +0530

    mntent: Use __putc_unlocked instead of fputc_unlocked
    
    __putc_unlocked is guaranteed to be inlined all the time as opposed to
    fputc_unlocked, which does not get inlined when glibc is built with
    -Os.
    
    Reviewed-by: H.J. Lu <hjl.tools@gmail.com>

Diff:
---
 misc/mntent_r.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/misc/mntent_r.c b/misc/mntent_r.c
index 30383a4a26..1005e143ab 100644
--- a/misc/mntent_r.c
+++ b/misc/mntent_r.c
@@ -223,16 +223,16 @@ write_string (FILE *stream, const char *str)
   while ((c = *str++) != '\0')
     {
       if (strchr (encode_chars, c) == NULL)
-	fputc_unlocked (c, stream);
+	__putc_unlocked (c, stream);
       else
 	{
-	  fputc_unlocked ('\\', stream);
-	  fputc_unlocked (((c & 0xc0) >> 6) + '0', stream);
-	  fputc_unlocked (((c & 0x38) >> 3) + '0', stream);
-	  fputc_unlocked (((c & 0x07) >> 0) + '0', stream);
+	  __putc_unlocked ('\\', stream);
+	  __putc_unlocked (((c & 0xc0) >> 6) + '0', stream);
+	  __putc_unlocked (((c & 0x38) >> 3) + '0', stream);
+	  __putc_unlocked (((c & 0x07) >> 0) + '0', stream);
 	}
     }
-  fputc_unlocked (' ', stream);
+  __putc_unlocked (' ', stream);
 }
 
 /* Write the mount table entry described by MNT to STREAM.