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vim_strcat: Allow overlap in both branches. #1415

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vim_strcat: Allow overlap in both branches. #1415

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4 changes: 2 additions & 2 deletions src/misc2.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1719,7 +1719,7 @@ vim_strncpy(char_u *to, char_u *from, size_t len)

/*
* Like strcat(), but make sure the result fits in "tosize" bytes and is
* always NUL terminated.
* always NUL terminated. "from" and "to" may overlap.
*/
void
vim_strcat(char_u *to, char_u *from, size_t tosize)
Expand All @@ -1733,7 +1733,7 @@ vim_strcat(char_u *to, char_u *from, size_t tosize)
to[tosize - 1] = NUL;
}
else
STRCPY(to + tolen, from);
mch_memmove(to + tolen, from, fromlen + 1);
}

/*
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