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/* Copyright (c) 1992 Regents of the University of California */
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#ifndef lint
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static char SCCSid[] = "$SunId$ LBL";
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#endif
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/*
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* Load whitespace separated words from a file into an array.
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* Assume the passed pointer array is big enough to hold them all.
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*/
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#define NULL 0
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#define BUFSIZ 4096 /* file must be smaller than this */
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#include <ctype.h>
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extern char *bmalloc();
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int
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wordfile(words, fname) /* get words from fname, put in words */
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char **words;
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char *fname;
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{
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char **wp = words;
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int fd;
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char *buf;
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register int n;
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register char *cp;
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/* allocate memory */
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if ((cp = buf = bmalloc(BUFSIZ)) == NULL)
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return(-1);
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if ((fd = open(fname, 0)) < 0)
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goto err;
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n = read(fd, buf, BUFSIZ);
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close(fd);
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if (n < 0)
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goto err;
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if (n == BUFSIZ) /* file too big, take what we can */
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while (!isspace(buf[--n]))
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if (n <= 0)
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goto err;
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bfree(buf+n+1, BUFSIZ-n-1); /* return unneeded memory */
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while (n > 0) { /* break buffer into words */
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while (isspace(*cp)) {
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cp++;
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if (--n <= 0)
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return(wp - words);
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}
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*wp++ = cp;
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while (!isspace(*cp)) {
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cp++;
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if (--n <= 0)
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break;
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}
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*cp++ = '\0'; n--;
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}
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return(wp - words);
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err:
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bfree(buf, BUFSIZ);
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return(-1);
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}
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