diff options
Diffstat (limited to 'libc/stdio/puts.c')
-rw-r--r-- | libc/stdio/puts.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/libc/stdio/puts.c b/libc/stdio/puts.c new file mode 100644 index 000000000..a7d0eaf19 --- /dev/null +++ b/libc/stdio/puts.c @@ -0,0 +1,33 @@ +/* Copyright (C) 2004 Manuel Novoa III <mjn3@codepoet.org> + * + * GNU Library General Public License (LGPL) version 2 or later. + * + * Dedicated to Toni. See uClibc/DEDICATION.mjn3 for details. + */ + +#include "_stdio.h" + +int puts(register const char * __restrict s) +{ + register FILE *stream = stdout; /* This helps bcc optimize. */ + int n; + __STDIO_AUTO_THREADLOCK_VAR; + + __STDIO_AUTO_THREADLOCK(stream); + + /* Note: Don't try to optimize by switching to FBF until the newline. + * If the string itself contained a newline a write error occurred, + * then we could have a newline in the buffer of an LBF stream. */ + + /* Note: Nonportable as fputs need only return nonnegative on success. */ + if ((n = __fputs_unlocked(s, stream)) != EOF) { + ++n; + if (__fputc_unlocked('\n', stream) == EOF) { + n = EOF; + } + } + + __STDIO_AUTO_THREADUNLOCK(stream); + + return n; +} |