genericopenlibs/liboil/src/liboilutils.c
author William Roberts <williamr@symbian.org>
Fri, 23 Jul 2010 16:09:54 +0100
branchGCC_SURGE
changeset 47 d7383dba13ba
parent 18 47c74d1534e1
permissions -rw-r--r--
Reapply fix for EXPORT_C problem in backend.dll, which got lost in the merge - bug 2971
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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/*
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 * LIBOIL - Library of Optimized Inner Loops
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 * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 * POSSIBILITY OF SUCH DAMAGE.
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 */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <liboil/liboilfunction.h>
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#include <liboil/liboildebug.h>
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#include <liboil/liboilutils.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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int
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get_file_int (const char *file, int *value)
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{
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  char buffer[20];
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  char *endptr;
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  int fd;
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  int n;
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  fd = open (file, O_RDONLY);
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  if (fd < 0) return 0;
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  n = read(fd, buffer, 19);
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  close(fd);
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  if (n < 0) {
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    return 0;
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  }
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  buffer[n] = 0;
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  *value = strtol (buffer, &endptr, 0);
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  if (endptr[0] == 0 || endptr[0] == '\n') return 1;
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  return 0;
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}
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char *
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get_file (const char *filename)
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{
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  char *cpuinfo;
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  int fd;
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  int n;
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  cpuinfo = malloc(4096);
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  if (cpuinfo == NULL) return NULL;
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  fd = open(filename, O_RDONLY);
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  if (fd < 0) {
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    free (cpuinfo);
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    return NULL;
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  }
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  n = read(fd, cpuinfo, 4095);
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  if (n < 0) {
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    free (cpuinfo);
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    close (fd);
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    return NULL;
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  }
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  cpuinfo[n] = 0;
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  close (fd);
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  return cpuinfo;
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}
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char *
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get_cpuinfo_line (char *cpuinfo, const char *tag)
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{
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  char *flags;
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  char *end;
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  char *colon;
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  flags = strstr(cpuinfo,tag);
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  if (flags == NULL) return NULL;
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  end = strchr(flags, '\n');
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  if (end == NULL) return NULL;
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  colon = strchr (flags, ':');
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  if (colon == NULL) return NULL;
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  colon++;
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  if(colon >= end) return NULL;
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  return _strndup (colon, end-colon);
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}
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   114
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char *
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_strndup (const char *s, int n)
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{
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  char *r;
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  r = malloc (n+1);
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  memcpy(r,s,n);
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  r[n]=0;
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   122
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  return r;
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}
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   125
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char **
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strsplit (char *s)
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{
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  char **list = NULL;
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  char *tok;
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  int n = 0;
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   132
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  while (*s == ' ') s++;
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   134
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  list = malloc (1 * sizeof(char *));
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  while (*s) {
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    tok = s;
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   138
    while (*s && *s != ' ') s++;
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   139
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    list[n] = _strndup (tok, s - tok);
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   141
    while (*s && *s == ' ') s++;
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    list = realloc (list, (n + 2) * sizeof(char *));
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    n++;
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  }
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   145
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  list[n] = NULL;
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  return list;
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}
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   149
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char *
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   151
get_tag_value (char *s, const char *tag)
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{
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  char *flags;
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  char *end;
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  char *colon;
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   156
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  flags = strstr(s,tag);
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   158
  if (flags == NULL) return NULL;
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   159
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  end = strchr(flags, '\n');
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   161
  if (end == NULL) return NULL;
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   162
  colon = strchr (flags, ':');
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   163
  if (colon == NULL) return NULL;
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   164
  colon++;
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   165
  if(colon >= end) return NULL;
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   166
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   167
  return _strndup (colon, end-colon);
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   168
}
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   169
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parents:
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   170