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Add implementations of strtof() and strtold(). These are a bit
lame, since internally I'm just using strtod, but that keeps things
small, and has the side effect of making these easy to write.
-Erik

Eric Andersen 23 years ago
parent
commit
ed3d3458ef
3 changed files with 65 additions and 1 deletions
  1. 1 1
      libc/stdlib/Makefile
  2. 32 0
      libc/stdlib/strtof.c
  3. 32 0
      libc/stdlib/strtold.c

+ 1 - 1
libc/stdlib/Makefile

@@ -44,7 +44,7 @@ CSRC+=  drand48.c drand48-iter.c drand48_r.c erand48.c erand48_r.c \
 	jrand48.c jrand48_r.c lrand48.c lrand48_r.c mrand48.c mrand48_r.c \
 	nrand48.c nrand48_r.c rand_r.c srand48.c srand48_r.c
 ifeq ($(HAS_FLOATING_POINT),true)
-	CSRC += strtod.c
+	CSRC += strtod.c strtof.c strtold.c
 endif
 COBJS=$(patsubst %.c,%.o, $(CSRC))
 

+ 32 - 0
libc/stdlib/strtof.c

@@ -0,0 +1,32 @@
+/* vi: set sw=4 ts=4: */
+/* strtof for uClibc
+ *
+ * Copyright (C) 2002 by Erik Andersen <andersen@uclibc.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Library General Public License as published by
+ * the Free Software Foundation; either version 2 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 Library General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/* This implementation is a bit lame, since we are actually making the compiler
+ * to an internal conversion from a double to a float, thereby wasting a bunch
+ * of precision.  But this is small, and works for now... */
+
+#include <stdlib.h>
+
+float strtof (const char *str, char **endptr)
+{
+    return(strtod(str,endptr));
+}
+

+ 32 - 0
libc/stdlib/strtold.c

@@ -0,0 +1,32 @@
+/* vi: set sw=4 ts=4: */
+/* strtold for uClibc
+ *
+ * Copyright (C) 2002 by Erik Andersen <andersen@uclibc.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Library General Public License as published by
+ * the Free Software Foundation; either version 2 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 Library General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/* This implementation is a bit lame, since we are actually making the compiler
+ * to an internal conversion from a double to a long double, thereby losing
+ * tons of precision.  But this is small, and works for now... */
+
+#include <stdlib.h>
+
+long double strtold (const char *str, char **endptr)
+{
+    return(strtod(str,endptr));
+}
+