kc3-lang/pkgconf/fileio.c

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  Commit

• Hash : 2d5dfe7d
  Author :
  Date : 2012-08-14T11:06:04
  

  do not keep the quote information when set once
  

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• fileio.c

• /*
   * fileio.c
   * File reading utilities
   *
   * Copyright (c) 2012 pkgconf authors (see AUTHORS).
   *
   * Permission to use, copy, modify, and/or distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * This software is provided 'as is' and without any warranty, express or
   * implied.  In no event shall the authors be liable for any damages arising
   * from the use of this software.
   */
  
  #include "pkg.h"
  #include "bsdstubs.h"
  
  char *
  pkg_fgetline(char *line, size_t size, FILE *stream)
  {
  	char *s = line;
  	char *end = line + size - 1;
  	bool quoted = false;
  	int c = '\0', c2;
  
  	if (s == NULL)
  		return NULL;
  
  	while (s < end && (c = getc(stream)) != EOF)
  	{
  		if (c == '\\')
  		{
  			quoted = true;
  			continue;
  		}
  
  		else if (c == '\n')
  		{
  			*s++ = c;
  
  			if (quoted)
  			{
  				quoted = false;
  				continue;
  			}
  
  			break;
  		}
  		else if (c == '\r')
  		{
  			*s++ = '\n';
  
  			if ((c2 = getc(stream)) == '\n')
  			{
  				if (quoted)
  				{
  					quoted = false;
  					continue;
  				}
  
  				break;
  			}
  
  			ungetc(c2, stream);
  
  			if (quoted)
  			{
  				quoted = false;
  				continue;
  			}
  
  			break;
  		}
  		else
  		{
  			if (quoted) {
  				*s++ = '\\';
  				quoted = false;
  			}
  			*s++ = c;
  		}
  
  	}
  
  	*s = '\0';
  
  	if (c == EOF && (s == line || ferror(stream)))
  		return NULL;
  
  	return line;
  }
  

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