mirror of
https://review.coreboot.org/flashrom.git
synced 2025-04-26 22:52:34 +02:00
dc62793184
Strnlen() is in POSIX 2008 but was a GNU extension up to glibc 2.10 requiring to define _GNU_SOURCE. This fixes compilation on CentOS 4.9. Also, move our implementation of strnlen() that was added to support DJGPP to helpers.c. Corresponding to flashrom svn r1878. Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at> Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
104 lines
2.3 KiB
C
104 lines
2.3 KiB
C
/*
|
|
* This file is part of the flashrom project.
|
|
*
|
|
* Copyright (C) 2009-2010 Carl-Daniel Hailfinger
|
|
* Copyright (C) 2013 Stefan Tauner
|
|
*
|
|
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include <ctype.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "flash.h"
|
|
|
|
/* Returns the minimum number of bits needed to represent the given address.
|
|
* FIXME: use mind-blowing implementation. */
|
|
uint32_t address_to_bits(uint32_t addr)
|
|
{
|
|
unsigned int lzb = 0;
|
|
while (((1 << (31 - lzb)) & ~addr) != 0)
|
|
lzb++;
|
|
return 32 - lzb;
|
|
}
|
|
|
|
int bitcount(unsigned long a)
|
|
{
|
|
int i = 0;
|
|
for (; a != 0; a >>= 1)
|
|
if (a & 1)
|
|
i++;
|
|
return i;
|
|
}
|
|
|
|
int max(int a, int b)
|
|
{
|
|
return (a > b) ? a : b;
|
|
}
|
|
|
|
int min(int a, int b)
|
|
{
|
|
return (a < b) ? a : b;
|
|
}
|
|
|
|
char *strcat_realloc(char *dest, const char *src)
|
|
{
|
|
dest = realloc(dest, strlen(dest) + strlen(src) + 1);
|
|
if (!dest) {
|
|
msg_gerr("Out of memory!\n");
|
|
return NULL;
|
|
}
|
|
strcat(dest, src);
|
|
return dest;
|
|
}
|
|
|
|
void tolower_string(char *str)
|
|
{
|
|
for (; *str != '\0'; str++)
|
|
*str = (char)tolower((unsigned char)*str);
|
|
}
|
|
|
|
/* FIXME: Find a better solution for MinGW. Maybe wrap strtok_s (C11) if it becomes available */
|
|
#ifdef __MINGW32__
|
|
char* strtok_r(char *str, const char *delim, char **nextp)
|
|
{
|
|
if (str == NULL)
|
|
str = *nextp;
|
|
|
|
str += strspn(str, delim); /* Skip leading delimiters */
|
|
if (*str == '\0')
|
|
return NULL;
|
|
|
|
char *ret = str;
|
|
str += strcspn(str, delim); /* Find end of token */
|
|
if (*str != '\0')
|
|
*str++ = '\0';
|
|
|
|
*nextp = str;
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
/* There is no strnlen in DJGPP */
|
|
#if defined(__DJGPP__)
|
|
size_t strnlen(const char *str, size_t n)
|
|
{
|
|
size_t i;
|
|
for (i = 0; i < n && str[i] != '\0'; i++)
|
|
;
|
|
return i;
|
|
}
|
|
#endif
|