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/* 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 */
libc_hidden_proto(getchar_unlocked)
libc_hidden_proto(__fgetc_unlocked)
#ifdef __STDIO_GETC_MACRO
libc_hidden_proto(__stdin)
#else
#define __stdin stdin
#endif
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;
}
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