lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* Copyright (C) 2004 Manuel Novoa III <mjn3@codepoet.org> |
| 2 | * |
| 3 | * GNU Library General Public License (LGPL) version 2 or later. |
| 4 | * |
| 5 | * Dedicated to Toni. See uClibc/DEDICATION.mjn3 for details. |
| 6 | */ |
| 7 | |
| 8 | #include "_stdio.h" |
| 9 | |
| 10 | |
| 11 | int puts(register const char * __restrict s) |
| 12 | { |
| 13 | register FILE *stream = stdout; /* This helps bcc optimize. */ |
| 14 | int n; |
| 15 | __STDIO_AUTO_THREADLOCK_VAR; |
| 16 | |
| 17 | __STDIO_AUTO_THREADLOCK(stream); |
| 18 | |
| 19 | /* Note: Don't try to optimize by switching to FBF until the newline. |
| 20 | * If the string itself contained a newline a write error occurred, |
| 21 | * then we could have a newline in the buffer of an LBF stream. */ |
| 22 | |
| 23 | /* Note: Nonportable as fputs need only return nonnegative on success. */ |
| 24 | if ((n = fputs_unlocked(s, stream)) != EOF) { |
| 25 | ++n; |
| 26 | if (__fputc_unlocked('\n', stream) == EOF) { |
| 27 | n = EOF; |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | __STDIO_AUTO_THREADUNLOCK(stream); |
| 32 | |
| 33 | return n; |
| 34 | } |