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buffer.c: fix dereference of invalid pointer.

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using the pointer 'b->block' when it is possible that
reallocation has moved the memory to another location.
'b->block' may therefore be an invalid pointer in some
cases. use 'ret' intead.
This commit is contained in:
Henrik Hautakoski 2012-07-04 13:53:33 +02:00
parent ae91737fb1
commit d18d581fd0
1 changed files with 1 additions and 1 deletions
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2
buffer.c
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@ -67,7 +67,7 @@ char* buffer_cstr_release(struct buffer *b) {
} else { } else {
ret = (char *) b->block; ret = (char *) b->block;
} }
b->block[b->len + 1] = '\0'; ret[b->len + 1] = '\0';
} else { } else {
ret = calloc(1, 1); ret = calloc(1, 1);
} }