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authorMattias Andrée <maandree@operamail.com>2015-10-10 19:29:02 +0200
committerMattias Andrée <maandree@operamail.com>2015-10-10 19:29:02 +0200
commite1213c77a07bc771861b797163c7b6dc34b13bf1 (patch)
treebca72d90686622cde496d8e50e9d29c84da2811d /src
parentadd atoi, atol, atoll, and atoq (diff)
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add atof
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to '')
-rw-r--r--src/stdlib/atof.c38
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);
+}
+