misc.c 3.45 KB
Newer Older
1 2 3 4
/*
 *  Misc functions
 *
 *  Copyright 2000 Jon Griffiths
5 6 7 8 9 10 11 12 13 14 15 16 17
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
18
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19
 */
20 21 22

#include "config.h"

23
#include "winedump.h"
24 25 26 27 28 29 30 31 32 33 34 35 36


/*******************************************************************
 *         str_substring
 *
 * Create a new substring from a string
 */
char *str_substring(const char *start, const char *end)
{
  char *newstr;

  assert (start && end && end > start);

37
  newstr = xmalloc (end - start + 1);
38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70
  memcpy (newstr, start, end - start);
  newstr [end - start] = '\0';

  return newstr;
}


/*******************************************************************
 *         str_replace
 *
 * Swap two strings in another string, in place
 * Modified PD code from 'snippets'
 */
char *str_replace (char *str, const char *oldstr, const char *newstr)
{
  int oldlen, newlen;
  char *p, *q;

  if (!(p = strstr(str, oldstr)))
    return p;
  oldlen = strlen (oldstr);
  newlen = strlen (newstr);
  memmove (q = p + newlen, p + oldlen, strlen (p + oldlen) + 1);
  memcpy (p, newstr, newlen);
  return q;
}


/*******************************************************************
 *         str_match
 *
 * Locate one string in another, ignoring spaces
 */
71
const char *str_match (const char *str, const char *match, BOOL *found)
72 73 74
{
  assert(str && match && found);

75
  while (*str == ' ') str++;
76 77
  if (!strncmp (str, match, strlen (match)))
  {
78
    *found = TRUE;
79
    str += strlen (match);
80
    while (*str == ' ') str++;
81 82
  }
  else
83
    *found = FALSE;
84 85 86 87 88 89 90
  return str;
}


/*******************************************************************
 *         str_find_set
 *
Andreas Mohr's avatar
Andreas Mohr committed
91
 * Locate the first occurrence of a set of characters in a string
92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132
 */
const char *str_find_set (const char *str, const char *findset)
{
  assert(str && findset);

  while (*str)
  {
    const char *p = findset;
    while (*p)
      if (*p++ == *str)
        return str;
    str++;
  }
  return NULL;
}


/*******************************************************************
 *         str_toupper
 *
 * Uppercase a string
 */
char *str_toupper (char *str)
{
  char *save = str;
  while (*str)
  {
    *str = toupper (*str);
    str++;
  }
  return save;
}


/*******************************************************************
 *         open_file
 *
 * Open a file returning only on success
 */
FILE *open_file (const char *name, const char *ext, const char *mode)
{
133
  char *fname;
134 135
  FILE *fp;

136
  fname = strmake( "%s%s%s", *mode == 'w' ? "./" : "", name, ext);
137 138 139 140 141 142

  if (VERBOSE)
    printf ("Open file %s\n", fname);

  fp = fopen (fname, mode);
  if (!fp)
143
    fatal ("Can't open file");
144 145 146 147 148 149 150 151 152 153 154 155 156 157 158
  return fp;
}


/*******************************************************************
 *         fatal
 *
 * Fatal error handling
 */
void  fatal (const char *message)
{
  if (errno)
    perror (message);
  else
    puts (message);
159
  exit(1);
160
}