Messages in this thread Patch in this message | | | From | Andy Whitcroft <> | Subject | [PATCH 1/1] kconfig: sym_expand_string_value: allow for string termination when reallocing | Date | Mon, 1 Nov 2010 21:01:44 +0000 |
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When expanding a parameterised string we may run out of space, this triggers a realloc. When computing the new allocation size we do not allow for the terminating '\0'. Allow for this when calculating the new length.
Signed-off-by: Andy Whitcroft <apw@canonical.com> --- scripts/kconfig/symbol.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c index c0efe10..af6e9f3 100644 --- a/scripts/kconfig/symbol.c +++ b/scripts/kconfig/symbol.c @@ -875,7 +875,7 @@ const char *sym_expand_string_value(const char *in) symval = sym_get_string_value(sym); } - newlen = strlen(res) + strlen(symval) + strlen(src); + newlen = strlen(res) + strlen(symval) + strlen(src) + 1; if (newlen > reslen) { reslen = newlen; res = realloc(res, reslen); -- 1.7.1
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