sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 52 insertions, 0 deletions

diff --git a/device/lib/pic16/libc/stdlib/atol.c b/device/lib/pic16/libc/stdlib/atol.c
new file mode 100644
index 0000000..839547c
--- /dev/null
+++ b/device/lib/pic16/libc/stdlib/atol.c
@@ -0,0 +1,52 @@
+/*-------------------------------------------------------------------------
+   atol.c - convert a string to long integer and return it
+
+   Copyright (C) 1999, Sandeep Dutta <sandeep.dutta at usa.net>
+
+   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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself 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.
+-------------------------------------------------------------------------*/
+
+long atol(char * s)
+{
+     register long rv=0; 
+     register char sign = 0;
+
+     /* skip till we find either a digit or '+' or '-' */
+     while (*s) {
+	if (*s <= '9' && *s >= '0')
+		break;
+	if (*s == '-' || *s == '+') 
+		break;
+	s++;
+     } 	  
+
+     sign = (*s == '-');
+     if (*s == '-' || *s == '+') s++;
+
+     while (*s && *s >= '0' && *s <= '9') {
+	rv = (rv * 10) + (*s - '0');
+        s++;
+     }
+
+     return (sign ? -rv : rv);
+}