Blame bash-5.2-patch-5.patch
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diff --git a/patchlevel.h b/patchlevel.h
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--- a/patchlevel.h
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+++ b/patchlevel.h
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@@ -25,6 +25,6 @@
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regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
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looks for to find the patch level (for the sccs version string). */
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-#define PATCHLEVEL 4
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+#define PATCHLEVEL 5
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#endif /* _PATCHLEVEL_H_ */
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diff --git a/subst.c b/subst.c
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--- a/subst.c
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+++ b/subst.c
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@@ -8965,7 +8965,8 @@ pat_subst (string, pat, rep, mflags)
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return (ret);
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}
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else if (*string == 0 && (match_pattern (string, pat, mtype, &s, &e) != 0))
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- return ((mflags & MATCH_EXPREP) ? strcreplace (rep, '&', "", 2) : savestring (rep));
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+ return (mflags & MATCH_EXPREP) ? strcreplace (rep, '&', "", 2)
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+ : (rep ? savestring (rep) : savestring (""));
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ret = (char *)xmalloc (rsize = 64);
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ret[0] = '\0';
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