diff options
Diffstat (limited to 'compat/snprintf.c')
-rw-r--r-- | compat/snprintf.c | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/compat/snprintf.c b/compat/snprintf.c deleted file mode 100644 index c54c8e201b..0000000000 --- a/compat/snprintf.c +++ /dev/null @@ -1,64 +0,0 @@ -/* - * C99-compatible snprintf() and vsnprintf() implementations - * Copyright (c) 2012 Ronald S. Bultje <rsbultje@gmail.com> - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <limits.h> -#include <string.h> - -#include "libavutil/error.h" -#include "snprintf.h" - -#undef snprintf -int avpriv_snprintf(char *restrict s, size_t n, const char *restrict fmt, ...) -{ - va_list ap; - int ret; - - va_start(ap, fmt); - ret = avpriv_vsnprintf(s, n, fmt, ap); - va_end(ap); - - return ret; -} - -#undef vsnprintf -int avpriv_vsnprintf(char *restrict s, size_t n, const char *restrict fmt, - va_list ap) -{ - int ret; - - if (n == 0) - return 0; - else if (n > INT_MAX) - return AVERROR(EINVAL); - - /* we use n - 1 here because if the buffer is not big enough, the MS - * runtime libraries don't add a terminating zero at the end. MSDN - * recommends to provide _snprintf/_vsnprintf() a buffer size that - * is one less than the actual buffer, and zero it before calling - * _snprintf/_vsnprintf() to workaround this problem. - * See http://msdn.microsoft.com/en-us/library/1kt27hek(v=vs.80).aspx */ - memset(s, 0, n); - ret = vsnprintf(s, n - 1, fmt, ap); - if (ret == -1) - ret = n; - - return ret; -} |