IABSD.fr/xenocara/app/xmodmap/pf.c

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• Author : matthieu
  Date : 2013-09-14 09:20:18
  Hash : 4c8f7b3f
  Message : Update to xmodmap 1.0.8

• app/xmodmap/pf.c

• /*
  
  Copyright 1988, 1998  The Open Group
  
  Permission to use, copy, modify, distribute, and sell this software and its
  documentation for any purpose is hereby granted without fee, provided that
  the above copyright notice appear in all copies and that both that
  copyright notice and this permission notice appear in supporting
  documentation.
  
  The above copyright notice and this permission notice shall be included
  in all copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
  OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  OTHER DEALINGS IN THE SOFTWARE.
  
  Except as contained in this notice, the name of The Open Group shall
  not be used in advertising or otherwise to promote the sale, use or
  other dealings in this Software without prior written authorization
  from The Open Group.
  
  */
  
  #ifdef HAVE_CONFIG_H
  # include "config.h"
  #endif
  
  #include <X11/Xos.h>
  #include <X11/Xlib.h>
  #include <stdio.h>
  #include <ctype.h>
  #include <stdlib.h>
  #include "xmodmap.h"
  
  #define NOTINFILEFILENAME "commandline"
  const char *inputFilename = NOTINFILEFILENAME;
  int lineno = 0;
  
  void process_file (const char *filename)	/* NULL means use stdin */
  {
      FILE *fp;
      char buffer[BUFSIZ];
  
      /* open the file, eventually we'll want to pipe through cpp */
  
      if (!filename) {
  	fp = stdin;
  	inputFilename = "stdin"; 
      } else {
  	fp = fopen (filename, "r");
  	if (!fp) {
  	    fprintf (stderr, "%s:  unable to open file '%s' for reading\n",
  		     ProgramName, filename);
  	    parse_errors++;
  	    return;
  	}
  	inputFilename = filename;
      }
  
  
      /* read the input and filter */
  
      if (verbose) {
  	printf ("! %s:\n", inputFilename);
      }
  
      for (lineno = 0; ; lineno++) {
  	buffer[0] = '\0';
  	if (fgets (buffer, BUFSIZ, fp) == NULL)
  	  break;
  
  	process_line (buffer);
      }
  
      inputFilename = NOTINFILEFILENAME;
      lineno = 0;
      (void) fclose (fp);
  }
  
  
  void process_line (const char *line)
  {
      int len;
      int i;
      char *cp, *buffer;
  
      /* copy line to buffer since it may point to unwritable data */
      len = strlen(line);
      cp = buffer = strdup(line);
      if (buffer == NULL) {
  	fprintf(stderr, "%s: Could not allocate %d bytes\n", ProgramName, len);
  	Exit(-1);
      }
      
      for (i = 0; i < len; i++) {		/* look for blank lines */
  	register char c = buffer[i];
  	if (!(isspace(c) || c == '\n')) break;
      }
      if (i == len) goto done;
  
      cp = &buffer[i];
  
      if (*cp == '!') goto done;		/* look for comments */
      len -= (cp - buffer);		/* adjust len by how much we skipped */
  
  					/* pipe through cpp */
  
  					/* strip trailing space */
      for (i = len-1; i >= 0; i--) {
  	register char c = cp[i];
  	if (!(isspace(c) || c == '\n')) break;
      }
      if (i >= 0) cp[len = (i+1)] = '\0';  /* nul terminate */
  
      if (verbose) {
  	printf ("! %d:  %s\n", lineno+1, cp);
      }
  
      /* handle input */
      handle_line (cp, len);
  
    done:
      free(buffer);
  }