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m_property: memcpy(ptr, NULL, 0) is undefined

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wm4 2015-03-23 18:02:28 +01:00
parent a5c66601ff
commit ab37a77b36
1 changed files with 2 additions and 1 deletions
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3
options/m_property.c
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@ -273,7 +273,8 @@ static int m_property_do_bstr(const struct m_property *prop_list, bstr name,
static void append_str(char **s, int *len, bstr append) static void append_str(char **s, int *len, bstr append)
{ {
MP_TARRAY_GROW(NULL, *s, *len + append.len); MP_TARRAY_GROW(NULL, *s, *len + append.len);
memcpy(*s + *len, append.start, append.len); if (append.len)
memcpy(*s + *len, append.start, append.len);
*len = *len + append.len; *len = *len + append.len;
} }