summaryrefslogtreecommitdiff
path: root/support/strtod.c
diff options
context:
space:
mode:
authornobody <nobody@localhost>2003-12-09 01:57:09 +0000
committernobody <nobody@localhost>2003-12-09 01:57:09 +0000
commit3ed366377a9e0917782648008a893976078bc4b7 (patch)
tree75bb0caf9afd4b94842023406d6a7938c5d8b2b7 /support/strtod.c
parent42806807b7d67bfe3f9585492128f4984dc31c87 (diff)
downloadgnome-common-GTKHTML_3_1_12.tar.gz
This commit was manufactured by cvs2svn to create tagGTKHTML_3_1_12
'GTKHTML_3_1_12'. svn path=/tags/GTKHTML_3_1_12/; revision=3323
Diffstat (limited to 'support/strtod.c')
-rw-r--r--support/strtod.c122
1 files changed, 0 insertions, 122 deletions
diff --git a/support/strtod.c b/support/strtod.c
deleted file mode 100644
index c86c73d..0000000
--- a/support/strtod.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/* Implementation of strtod for systems with atof.
- Copyright (C) 1991, 1995 Free Software Foundation, Inc.
-
-This file is part of the libiberty library. This library 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 2, or (at your option)
-any later version.
-
-This library 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 GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-As a special exception, if you link this library with files
-compiled with a GNU compiler to produce an executable, this does not cause
-the resulting executable to be covered by the GNU General Public License.
-This exception does not however invalidate any other reasons why
-the executable file might be covered by the GNU General Public License. */
-
-#include <ctype.h>
-
-extern double atof ();
-
-/* Disclaimer: this is currently just used by CHILL in GDB and therefore
- has not been tested well. It may have been tested for nothing except
- that it compiles. */
-
-double
-strtod (str, ptr)
- char *str;
- char **ptr;
-{
- char *p;
-
- if (ptr == (char **)0)
- return atof (str);
-
- p = str;
-
- while (isspace (*p))
- ++p;
-
- if (*p == '+' || *p == '-')
- ++p;
-
- /* INF or INFINITY. */
- if ((p[0] == 'i' || p[0] == 'I')
- && (p[1] == 'n' || p[1] == 'N')
- && (p[2] == 'f' || p[2] == 'F'))
- {
- if ((p[3] == 'i' || p[3] == 'I')
- && (p[4] == 'n' || p[4] == 'N')
- && (p[5] == 'i' || p[5] == 'I')
- && (p[6] == 't' || p[6] == 'T')
- && (p[7] == 'y' || p[7] == 'Y'))
- {
- *ptr = p + 7;
- return atof (str);
- }
- else
- {
- *ptr = p + 3;
- return atof (str);
- }
- }
-
- /* NAN or NAN(foo). */
- if ((p[0] == 'n' || p[0] == 'N')
- && (p[1] == 'a' || p[1] == 'A')
- && (p[2] == 'n' || p[2] == 'N'))
- {
- p += 3;
- if (*p == '(')
- {
- ++p;
- while (*p != '\0' && *p != ')')
- ++p;
- if (*p == ')')
- ++p;
- }
- *ptr = p;
- return atof (str);
- }
-
- /* digits, with 0 or 1 periods in it. */
- if (isdigit (*p) || *p == '.')
- {
- int got_dot = 0;
- while (isdigit (*p) || (!got_dot && *p == '.'))
- {
- if (*p == '.')
- got_dot = 1;
- ++p;
- }
-
- /* Exponent. */
- if (*p == 'e' || *p == 'E')
- {
- int i;
- i = 1;
- if (p[i] == '+' || p[i] == '-')
- ++i;
- if (isdigit (p[i]))
- {
- while (isdigit (p[i]))
- ++i;
- *ptr = p + i;
- return atof (str);
- }
- }
- *ptr = p;
- return atof (str);
- }
- /* Didn't find any digits. Doesn't look like a number. */
- *ptr = str;
- return 0.0;
-}