lineread.h File Reference

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Functions
void	nrerror (char *error_text)
int	read_long_line (FILE *fp, char *line, int *line_no)
void	error_in_line (char *filename, int line_num, char *line)
void	unexpctd_eof (char *filename)
int	blank_line (char *line)
int	skip_arg (char *line, int arg_num)
FILE *	open_file (char *filename, char *mode)

Function Documentation

int blank_line

(

char *

line

)

Definition at line 41 of file lineread.c.

{
 int i=0, n=strlen(line);

 while(i<n)
  {
   if(!isspace(line[i++]))
     return 0;
  }
 return 1;
}

void error_in_line	(	char *	filename,
		int	line_num,
		char *	line
	)

Definition at line 27 of file lineread.c.

{
 printf("ERROR IN FILE %s LINE: %d\n%s\n", filename, line_num, line);
 exit(255);
}

void nrerror

(

char *

error_text

)

Definition at line 7 of file lineread.c.

{
    fprintf(stderr,"run-time error...");
    fprintf(stderr,"%s\n",error_text);
    exit(1);
}

FILE* open_file	(	char *	filename,
		char *	mode
	)

Definition at line 73 of file lineread.c.

{
 FILE *fp;

 if ((fp=fopen(filename, mode)) == NULL) {
  fprintf(stderr, "ERROR:\nCannot open file: %s\n\n", filename);
  exit(255);
 }
 else
   return fp;
}

int read_long_line	(	FILE *	fp,
		char *	line,
		int *	line_no
	)

Definition at line 15 of file lineread.c.

{
 if(fgets(line, LONG_LINE_LENGTH, fp)!=NULL)
  {
   (*line_no)++;
   return 1;
  }
 else
   return 0;
}

int skip_arg	(	char *	line,
		int	arg_num
	)

Definition at line 54 of file lineread.c.

{
 int i=0, k;
 int line_length = strlen(line);

 for(k=0; k<arg_num; k++)
  {
   while(isspace(line[i]) && (i<line_length))
     i++;
   while(!isspace(line[i]) && (i<line_length))
     i++;
  }

 while(isspace(line[i]) && (i<line_length))
     i++;

 return i;
}

void unexpctd_eof

(

char *

filename

)

Definition at line 34 of file lineread.c.

{
 printf("UNEXPECTED END OF FILE: %s\n", filename);
 exit(255);
}