glob: Fix comment about collapsing asterisks after r317749.
After r317749, collapsing adjacent asterisks is still required, but for a different reason.
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=317913
@ -581,7 +581,8 @@ glob0(const Char *pattern, glob_t *pglob, struct glob_limit *limit,
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case STAR:
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pglob->gl_flags |= GLOB_MAGCHAR;
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/* collapse adjacent stars to one,
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* to avoid exponential behavior
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* to ensure "**" at the end continues to match the
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* empty string
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*/
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if (bufnext == patbuf || bufnext[-1] != M_ALL)
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*bufnext++ = M_ALL;
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