| /* 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" |
| |
| link_warning(gets, "the 'gets' function is dangerous and should not be used.") |
| |
| /* UNSAFE FUNCTION -- do not bother optimizing */ |
| |
| /* disable macro, force actual function call */ |
| #undef getchar_unlocked |
| |
| char *gets(char *s) |
| { |
| register char *p = s; |
| int c; |
| __STDIO_AUTO_THREADLOCK_VAR; |
| |
| __STDIO_AUTO_THREADLOCK(stdin); |
| |
| /* Note: don't worry about performance here... this shouldn't be used! |
| * Therefore, force actual function call. */ |
| while (((c = getchar_unlocked()) != EOF) && ((*p = c) != '\n')) { |
| ++p; |
| } |
| if ((c == EOF) || (s == p)) { |
| s = NULL; |
| } else { |
| *p = 0; |
| } |
| |
| __STDIO_AUTO_THREADUNLOCK(stdin); |
| |
| return s; |
| } |