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py: Change vstr so that it doesn't null terminate buffer by default.

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This cleans up vstr so that it's a pure "variable buffer", and the user
can decide whether they need to add a terminating null byte.  In most
places where vstr is used, the vstr did not need to be null terminated
and so this patch saves code size, a tiny bit of RAM, and makes vstr
usage more efficient.  When null termination is needed it must be
done explicitly using vstr_null_terminate.
This commit is contained in:
Damien George
2015-01-28 23:43:01 +00:00
parent 57aebe1714
commit 0d3cb6726d
14 changed files with 67 additions and 70 deletions
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py/misc.h
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@@ -145,6 +145,7 @@ size_t vstr_len(vstr_t *vstr);
void vstr_hint_size(vstr_t *vstr, size_t size);
char *vstr_extend(vstr_t *vstr, size_t size);
char *vstr_add_len(vstr_t *vstr, size_t len);
void vstr_null_terminate(vstr_t *vstr);
void vstr_add_byte(vstr_t *vstr, byte v);
void vstr_add_char(vstr_t *vstr, unichar chr);
void vstr_add_str(vstr_t *vstr, const char *str);