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author | Mattias Andrée <maandree@operamail.com> | 2015-10-10 19:29:02 +0200 |
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committer | Mattias Andrée <maandree@operamail.com> | 2015-10-10 19:29:02 +0200 |
commit | e1213c77a07bc771861b797163c7b6dc34b13bf1 (patch) | |
tree | bca72d90686622cde496d8e50e9d29c84da2811d /src | |
parent | add atoi, atol, atoll, and atoq (diff) | |
download | slibc-e1213c77a07bc771861b797163c7b6dc34b13bf1.tar.gz slibc-e1213c77a07bc771861b797163c7b6dc34b13bf1.tar.bz2 slibc-e1213c77a07bc771861b797163c7b6dc34b13bf1.tar.xz |
add atof
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to '')
-rw-r--r-- | src/stdlib/atof.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/stdlib/atof.c b/src/stdlib/atof.c new file mode 100644 index 0000000..c5a4182 --- /dev/null +++ b/src/stdlib/atof.c @@ -0,0 +1,38 @@ +/** + * slibc — Yet another C library + * Copyright © 2015 Mattias Andrée (maandree@member.fsf.org) + * + * This program 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. + * + * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. + */ +#include <stdlib.h> + + + +/** + * Convert a string to a floating-point value, + * without checking for errors. + * + * Note that, the behaviour is unspecified + * if the string contains anything else than + * digits, either a leading '-' (hyphen) + * or a leading plus, and at most one '.'. + * + * @param string The string to convert. + * @return The number encoded by the string. + */ +double atof(const char* string) +{ + return strtod(string, NULL); +} + |