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samiparse: Check that the string has a non-zero length before overwriting the last byte with '\0'

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=777502
This commit is contained in:
Sebastian Dröge 2017-01-20 08:02:38 +02:00
parent ef55c8a6b7
commit d894c19db6
1 changed files with 2 additions and 1 deletions
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3
gst/subparse/samiparse.c
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@ -504,7 +504,8 @@ html_context_handle_element (HtmlContext * ctxt,
} }
length = strlen (attr_value); length = strlen (attr_value);
if (attr_value[length - 1] == '"' || attr_value[length - 1] == '\'') { if (length > 0 && (attr_value[length - 1] == '"'
|| attr_value[length - 1] == '\'')) {
attr_value[length - 1] = '\0'; attr_value[length - 1] = '\0';
} }