tools/winedump/misc.c

   1 /*
   2  *  Misc functions
   3  *
   4  *  Copyright 2000 Jon Griffiths
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * 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 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include "winedump.h"
  25
  26
  27 /*******************************************************************
  28  *         str_create
  29  *
  30  * Create a single string from many substrings
  31  */
  32 char *str_create(size_t num_str, ...)
  33 {
  34   va_list args;
  35   size_t len = 1, i = 0;
  36   char *tmp, *t;
  37
  38   va_start (args, num_str);
  39   for (i = 0; i < num_str; i++)
  40     if ((t = va_arg(args, char *)))
  41       len += strlen (t);
  42   va_end (args);
  43
  44   if (!(tmp = malloc (len)))
  45     fatal ("Out of memory");
  46
  47   tmp[0] = '\0';
  48
  49   va_start (args, num_str);
  50   for (i = 0; i < num_str; i++)
  51     if ((t = va_arg(args, char *)))
  52       strcat (tmp, t);
  53   va_end (args);
  54   return tmp;
  55 }
  56
  57
  58 /*******************************************************************
  59  *         str_create_num
  60  *
  61  * Create a single string from many substrings, terminating in a number
  62  */
  63 char *str_create_num(size_t num_str, int num, ...)
  64 {
  65   va_list args;
  66   size_t len = 8, i = 0;
  67   char *tmp, *t;
  68
  69   va_start (args, num);
  70   for (i = 0; i < num_str; i++)
  71     if ((t = va_arg(args, char *)))
  72       len += strlen (t);
  73   va_end (args);
  74
  75   if (!(tmp = malloc (len)))
  76     fatal ("Out of memory");
  77
  78   tmp[0] = '\0';
  79
  80   va_start (args, num);
  81   for (i = 0; i < num_str; i++)
  82     if ((t = va_arg(args, char *)))
  83       strcat (tmp, t);
  84   va_end (args);
  85   sprintf (tmp + len - 8, "%d", num);
  86   return tmp;
  87 }
  88
  89
  90 /*******************************************************************
  91  *         str_substring
  92  *
  93  * Create a new substring from a string
  94  */
  95 char *str_substring(const char *start, const char *end)
  96 {
  97   char *newstr;
  98
  99   assert (start && end && end > start);
 100
 101   if (!(newstr = malloc (end - start + 1)))
 102     fatal ("Out of memory");
 103
 104   memcpy (newstr, start, end - start);
 105   newstr [end - start] = '\0';
 106
 107   return newstr;
 108 }
 109
 110
 111 /*******************************************************************
 112  *         str_replace
 113  *
 114  * Swap two strings in another string, in place
 115  * Modified PD code from 'snippets'
 116  */
 117 char *str_replace (char *str, const char *oldstr, const char *newstr)
 118 {
 119   int oldlen, newlen;
 120   char *p, *q;
 121
 122   if (!(p = strstr(str, oldstr)))
 123     return p;
 124   oldlen = strlen (oldstr);
 125   newlen = strlen (newstr);
 126   memmove (q = p + newlen, p + oldlen, strlen (p + oldlen) + 1);
 127   memcpy (p, newstr, newlen);
 128   return q;
 129 }
 130
 131
 132 /*******************************************************************
 133  *         str_match
 134  *
 135  * Locate one string in another, ignoring spaces
 136  */
 137 const char *str_match (const char *str, const char *match, int *found)
 138 {
 139   assert(str && match && found);
 140
 141   while (*str == ' ') str++;
 142   if (!strncmp (str, match, strlen (match)))
 143   {
 144     *found = 1;
 145     str += strlen (match);
 146     while (*str == ' ') str++;
 147   }
 148   else
 149     *found = 0;
 150   return str;
 151 }
 152
 153
 154 /*******************************************************************
 155  *         str_find_set
 156  *
 157  * Locate the first occurrence of a set of characters in a string
 158  */
 159 const char *str_find_set (const char *str, const char *findset)
 160 {
 161   assert(str && findset);
 162
 163   while (*str)
 164   {
 165     const char *p = findset;
 166     while (*p)
 167       if (*p++ == *str)
 168         return str;
 169     str++;
 170   }
 171   return NULL;
 172 }
 173
 174
 175 /*******************************************************************
 176  *         str_toupper
 177  *
 178  * Uppercase a string
 179  */
 180 char *str_toupper (char *str)
 181 {
 182   char *save = str;
 183   while (*str)
 184   {
 185     *str = toupper (*str);
 186     str++;
 187   }
 188   return save;
 189 }
 190
 191
 192 /*******************************************************************
 193  *         open_file
 194  *
 195  * Open a file returning only on success
 196  */
 197 FILE *open_file (const char *name, const char *ext, const char *mode)
 198 {
 199   char  fname[128];
 200   FILE *fp;
 201
 202   if (((unsigned)snprintf (fname, sizeof (fname), "%s%s%s",
 203                  *mode == 'w' ? "./" : "", name, ext) > sizeof (fname)))
 204     fatal ("File name too long");
 205
 206   if (VERBOSE)
 207     printf ("Open file %s\n", fname);
 208
 209   fp = fopen (fname, mode);
 210   if (!fp)
 211     fatal ("Can't open file");
 212   return fp;
 213 }
 214
 215
 216 /*******************************************************************
 217  *         fatal
 218  *
 219  * Fatal error handling
 220  */
 221 void  fatal (const char *message)
 222 {
 223   if (errno)
 224     perror (message);
 225   else
 226     puts (message);
 227   exit(1);
 228 }