mirror of https://github.com/hak5/openwrt.git
15 lines
441 B
Diff
15 lines
441 B
Diff
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--- a/shell/ash.c
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+++ b/shell/ash.c
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@@ -5424,7 +5424,11 @@ rmescapes(char *str, int flag)
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size_t fulllen = len + strlen(p) + 1;
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if (flag & RMESCAPE_GROW) {
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+ int strloc = str - (char *)stackblock();
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r = makestrspace(fulllen, expdest);
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+ /* p and str may be invalidated by makestrspace */
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+ str = (char *)stackblock() + strloc;
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+ p = str + len;
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} else if (flag & RMESCAPE_HEAP) {
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r = ckmalloc(fulllen);
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} else {
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