Skip fields in the manner required by POSIX, and the way V7 did it.
MFC after: 1 week
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=98547
@ -208,16 +208,14 @@ char *
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skip(str)
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register char *str;
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{
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register int infield, nchars, nfields;
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register int nchars, nfields;
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for (nfields = numfields, infield = 0; nfields && *str; ++str)
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if (isblank((unsigned char)*str)) {
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if (infield) {
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infield = 0;
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--nfields;
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}
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} else if (!infield)
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infield = 1;
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for (nfields = 0; *str != '\0' && nfields++ != numfields; ) {
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while (isblank((unsigned char)*str))
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str++;
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while (*str != '\0' && !isblank((unsigned char)*str))
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str++;
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}
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for (nchars = numchars; nchars-- && *str; ++str);
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return(str);
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}
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