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#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
/*
* Read a chunk of arbitrary length from a file, terminated
* by whitespace.
*
* Return a pointer to the null-terminated string allocated, or null on failure
* to allocate sufficient storage.
* The length of the word is placed in the variable pointed to by
* the second argument.
*
* On EOF, the eof flag in the third command line argument is set.
* It is the responsibility of the caller to free the space allocated.
*/
#define INITLENGTH 16
unsigned long GetWordLineNo;
char * Get_Word(FILE *fp, int *WordLength,int *eofptr)
{
int c;
int Available;
int CharsRead;
char *Word;
Available = INITLENGTH;
CharsRead=0;
Word = (char *) malloc((size_t)Available);
if(Word == NULL) return (Word);
*eofptr = 0;
while(1){
c=getc(fp);
// if(isspace(c)) {
if ( (c == ' ') || (c == '\t') || (c == '\n') || (c == '\r') || (c == '\f') || (c == '\v')) {
if (c == '\n') GetWordLineNo++;
Word[CharsRead]='\0';
*WordLength=CharsRead;
return(Word);
}
if(c == EOF){
Word[CharsRead]='\0';
*WordLength=CharsRead;
*eofptr = 1;
return(Word);
}
if(CharsRead == (Available-1)){ /* -1 because of null */
Available += INITLENGTH/2;
Word = (char *) realloc( (void *) Word, (size_t) (Available * sizeof (char)));
if(Word == NULL) return(Word);
}
Word[CharsRead++]= (char) c;
}
}
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