From 4d55404fcaec83f1ac2beb640198ad9399116bb8 Mon Sep 17 00:00:00 2001 From: Diego Biurrun Date: Thu, 29 Jan 2009 22:12:36 +0000 Subject: Rename string.c to avstring.c so that the name of header and C file match. Originally committed as revision 16853 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavutil/avstring.c | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 libavutil/avstring.c (limited to 'libavutil/avstring.c') diff --git a/libavutil/avstring.c b/libavutil/avstring.c new file mode 100644 index 0000000000..8ee2a6b12f --- /dev/null +++ b/libavutil/avstring.c @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2000, 2001, 2002 Fabrice Bellard + * Copyright (c) 2007 Mans Rullgard + * + * 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 +#include +#include +#include +#include "avstring.h" + +int av_strstart(const char *str, const char *pfx, const char **ptr) +{ + while (*pfx && *pfx == *str) { + pfx++; + str++; + } + if (!*pfx && ptr) + *ptr = str; + return !*pfx; +} + +int av_stristart(const char *str, const char *pfx, const char **ptr) +{ + while (*pfx && toupper((unsigned)*pfx) == toupper((unsigned)*str)) { + pfx++; + str++; + } + if (!*pfx && ptr) + *ptr = str; + return !*pfx; +} + +size_t av_strlcpy(char *dst, const char *src, size_t size) +{ + size_t len = 0; + while (++len < size && *src) + *dst++ = *src++; + if (len <= size) + *dst = 0; + return len + strlen(src) - 1; +} + +size_t av_strlcat(char *dst, const char *src, size_t size) +{ + size_t len = strlen(dst); + if (size <= len + 1) + return len + strlen(src); + return len + av_strlcpy(dst + len, src, size - len); +} + +size_t av_strlcatf(char *dst, size_t size, const char *fmt, ...) +{ + int len = strlen(dst); + va_list vl; + + va_start(vl, fmt); + len += vsnprintf(dst + len, size > len ? size - len : 0, fmt, vl); + va_end(vl); + + return len; +} -- cgit v1.2.3