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From: Erik M. <er...@us...> - 2001-10-07 22:59:00
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Update of /cvsroot/blob/blob/src/lib
In directory usw-pr-cvs1:/tmp/cvs-serv4549
Modified Files:
Makefile.am util.c
Added Files:
strcpy.c strlen.c strncmp.c strtou32.c
Log Message:
Move string functions to separate files so the linker will pick up
only the necessary functions.
--- NEW FILE: strcpy.c ---
/*
* strcpy.c: copy string
*
* Copyright (C) 2001 Erik Mouw (J.A...@it...)
*
* $Id: strcpy.c,v 1.1 2001/10/07 22:58:56 erikm Exp $
*
* 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 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 General Public License for more details.
*
* You should have received a copy of the GNU 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
*
*/
#ident "$Id: strcpy.c,v 1.1 2001/10/07 22:58:56 erikm Exp $"
#ifdef HAVE_CONFIG_H
# include <blob/config.h>
#endif
#include <blob/util.h>
char *strcpy(char *dest, const char *src)
{
while(*src != '\0')
*dest++ = *src++;
*dest = '\0';
return dest;
}
--- NEW FILE: strlen.c ---
/*
* strlen.c: return string length
*
* Copyright (C) 2001 Erik Mouw (J.A...@it...)
*
* $Id: strlen.c,v 1.1 2001/10/07 22:58:56 erikm Exp $
*
* 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 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 General Public License for more details.
*
* You should have received a copy of the GNU 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
*
*/
#ident "$Id: strlen.c,v 1.1 2001/10/07 22:58:56 erikm Exp $"
#ifdef HAVE_CONFIG_H
# include <blob/config.h>
#endif
#include <blob/util.h>
int strlen(const char *s)
{
int i = 0;
for(;*s != '\0'; s++)
i++;
return i;
}
--- NEW FILE: strncmp.c ---
/*
* strncmp.c: compare two strings
*
* Copyright (C) 2001 Erik Mouw (J.A...@it...)
*
* $Id: strncmp.c,v 1.1 2001/10/07 22:58:56 erikm Exp $
*
* 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 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 General Public License for more details.
*
* You should have received a copy of the GNU 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
*
*/
#ident "$Id: strncmp.c,v 1.1 2001/10/07 22:58:56 erikm Exp $"
#ifdef HAVE_CONFIG_H
# include <blob/config.h>
#endif
#include <blob/util.h>
int strncmp(const char *s1, const char *s2, int maxlen)
{
int i;
for(i = 0; i < maxlen; i++) {
if(s1[i] != s2[i])
return ((int) s1[i]) - ((int) s2[i]);
if(s1[i] == 0)
return 0;
}
return 0;
}
--- NEW FILE: strtou32.c ---
/*
* strtou32.c: convert string to u32
*
* Copyright (C) 2001 Erik Mouw (J.A...@it...)
*
* $Id: strtou32.c,v 1.1 2001/10/07 22:58:56 erikm Exp $
*
* 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 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 General Public License for more details.
*
* You should have received a copy of the GNU 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
*
*/
#ident "$Id: strtou32.c,v 1.1 2001/10/07 22:58:56 erikm Exp $"
#ifdef HAVE_CONFIG_H
# include <blob/config.h>
#endif
#include <blob/types.h>
#include <blob/util.h>
/* test for a digit. return value if digit or -1 otherwise */
static int digitvalue(char isdigit)
{
if (isdigit >= '0' && isdigit <= '9' )
return isdigit - '0';
else
return -1;
}
/* test for a hexidecimal digit. return value if digit or -1 otherwise */
static int xdigitvalue(char isdigit)
{
if (isdigit >= '0' && isdigit <= '9' )
return isdigit - '0';
if (isdigit >= 'a' && isdigit <= 'f')
return 10 + isdigit - 'a';
return -1;
}
/* convert a string to an u32 value. if the string starts with 0x, it
* is a hexidecimal string, otherwise we treat is as decimal. returns
* the converted value on success, or -1 on failure. no, we don't care
* about overflows if the string is too long.
*/
int strtou32(const char *str, u32 *value)
{
int i;
*value = 0;
if(strncmp(str, "0x", 2) == 0) {
/* hexadecimal mode */
str += 2;
while(*str != '\0') {
if((i = xdigitvalue(*str)) < 0)
return -1;
*value = (*value << 4) | (u32)i;
str++;
}
} else {
/* decimal mode */
while(*str != '\0') {
if((i = digitvalue(*str)) < 0)
return -1;
*value = (*value * 10) + (u32)i;
str++;
}
}
return 0;
}
Index: Makefile.am
===================================================================
RCS file: /cvsroot/blob/blob/src/lib/Makefile.am,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -d -r1.4 -r1.5
--- Makefile.am 2001/10/07 22:36:11 1.4
+++ Makefile.am 2001/10/07 22:58:56 1.5
@@ -33,6 +33,10 @@
led.c \
reboot.c \
serial.c \
+ strcpy.c \
+ strlen.c \
+ strncmp.c \
+ strtou32.c \
terminal.c \
time.c \
util.c
Index: util.c
===================================================================
RCS file: /cvsroot/blob/blob/src/lib/util.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- util.c 2001/10/07 19:34:17 1.2
+++ util.c 2001/10/07 22:58:56 1.3
@@ -87,112 +87,3 @@
while(dest < limit)
*dest++ = wordToWrite;
} /* MyMemSet */
-
-
-
-
-int strncmp(const char *s1, const char *s2, int maxlen)
-{
- int i;
-
- for(i = 0; i < maxlen; i++) {
- if(s1[i] != s2[i])
- return ((int) s1[i]) - ((int) s2[i]);
- if(s1[i] == 0)
- return 0;
- }
-
- return 0;
-}
-
-
-
-
-int strlen(const char *s)
-{
- int i = 0;
-
- for(;*s != '\0'; s++)
- i++;
-
- return i;
-}
-
-
-
-
-char *strcpy(char *dest, const char *src)
-{
- while(*src != '\0')
- *dest++ = *src++;
-
- *dest = '\0';
-
- return dest;
-}
-
-
-
-
-/* test for a digit. return value if digit or -1 otherwise */
-static int digitvalue(char isdigit)
-{
- if (isdigit >= '0' && isdigit <= '9' )
- return isdigit - '0';
- else
- return -1;
-}
-
-
-
-
-/* test for a hexidecimal digit. return value if digit or -1 otherwise */
-static int xdigitvalue(char isdigit)
-{
- if (isdigit >= '0' && isdigit <= '9' )
- return isdigit - '0';
- if (isdigit >= 'a' && isdigit <= 'f')
- return 10 + isdigit - 'a';
- return -1;
-}
-
-
-
-
-/* convert a string to an u32 value. if the string starts with 0x, it
- * is a hexidecimal string, otherwise we treat is as decimal. returns
- * the converted value on success, or -1 on failure. no, we don't care
- * about overflows if the string is too long.
- */
-int strtoval(const char *str, u32 *value)
-{
- int i;
-
- *value = 0;
-
- if(strncmp(str, "0x", 2) == 0) {
- /* hexadecimal mode */
- str += 2;
-
- while(*str != '\0') {
- if((i = xdigitvalue(*str)) < 0)
- return -1;
-
- *value = (*value << 4) | (u32)i;
-
- str++;
- }
- } else {
- /* decimal mode */
- while(*str != '\0') {
- if((i = digitvalue(*str)) < 0)
- return -1;
-
- *value = (*value * 10) + (u32)i;
-
- str++;
- }
- }
-
- return 0;
-}
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