From c14ecfe452046c00ffe83171ec7f9b64ff374795 Mon Sep 17 00:00:00 2001 From: Alan Brault Date: Mon, 2 May 2011 18:47:10 -0400 Subject: Make strcasestr() and strchrnul() into separate compat files Force everyone to use compat functions not just Solaris Remove libsysfs from buildconf Add libtool support (needed for libdusercompat.a) --- compat/strcasestr.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 compat/strcasestr.c (limited to 'compat/strcasestr.c') diff --git a/compat/strcasestr.c b/compat/strcasestr.c new file mode 100644 index 0000000..2312733 --- /dev/null +++ b/compat/strcasestr.c @@ -0,0 +1,51 @@ +/** +* duser - Manage MajorDomo lists +* Copyright (C) 2011 Joseph Hunkeler +* +* This file is part of duser. +* +* duser is free software: you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation, either version 3 of the License, or +* (at your option) any later version. +* +* duser 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 General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with duser. If not, see . +**/ + +#include +#include +#include + +/* + * Locate substring + * + * The strstr() function finds the first occurrence of the substring needle + * in the string haystack. The terminating '\0' characters are not compared. + * + * The strcasestr() function is like strstr(), but ignores the + * case of both arguments. + */ +char *strcasestr(const char *s, const char *find) +{ + char c, sc; + size_t len; + + if ((c = *find++) != 0) { + c = tolower((unsigned char)c); + len = strlen(find); + do { + do { + if ((sc = *s++) == 0) + return (NULL); + } while ((char)tolower((unsigned char)sc) != c); + } while (strncasecmp(s, find, len) != 0); + s--; + } + return ((char *)s); +} -- cgit