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Diffstat (limited to 'security/nss/cmd/lib/ffs.c')
-rw-r--r-- | security/nss/cmd/lib/ffs.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/security/nss/cmd/lib/ffs.c b/security/nss/cmd/lib/ffs.c new file mode 100644 index 000000000..3fce2c7c2 --- /dev/null +++ b/security/nss/cmd/lib/ffs.c @@ -0,0 +1,48 @@ +/* + * The contents of this file are subject to the Mozilla Public + * License Version 1.1 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS + * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or + * implied. See the License for the specific language governing + * rights and limitations under the License. + * + * The Original Code is the Netscape security libraries. + * + * The Initial Developer of the Original Code is Netscape + * Communications Corporation. Portions created by Netscape are + * Copyright (C) 1994-2000 Netscape Communications Corporation. All + * Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the + * terms of the GNU General Public License Version 2 or later (the + * "GPL"), in which case the provisions of the GPL are applicable + * instead of those above. If you wish to allow use of your + * version of this file only under the terms of the GPL and not to + * allow others to use your version of this file under the MPL, + * indicate your decision by deleting the provisions above and + * replace them with the notice and other provisions required by + * the GPL. If you do not delete the provisions above, a recipient + * may use your version of this file under either the MPL or the + * GPL. + */ +#ifdef XP_PC + +int ffs( unsigned int i) +{ + int rv = 1; + + if (!i) return 0; + + while (!(i & 1)) { + i >>= 1; + ++rv; + } + + return rv; +} +#endif |