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ta: add another array helper macro 

Stupid C.
This commit is contained in:
wm4 2015-06-01 01:35:56 +02:00
parent ebde784fab
commit 56c4cdf369
1 changed files with 11 additions and 0 deletions
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11
ta/ta_talloc.h
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@ -99,6 +99,17 @@ char *ta_talloc_asprintf_append_buffer(char *s, const char *fmt, ...) TA_PRF(2,
(idxvar)++; \ (idxvar)++; \
} while (0) } while (0)
#define MP_TARRAY_INSERT_AT(ctx, p, idxvar, at, ...)\
do { \
size_t at_ = (at); \
assert(at_ <= (idxvar)); \
MP_TARRAY_GROW(ctx, p, idxvar); \
memmove((p) + at_ + 1, (p) + at_, \
((idxvar) - at_) * sizeof((p)[0])); \
(idxvar)++; \
(p)[at_] = (TA_EXPAND_ARGS(__VA_ARGS__)); \
} while (0)
// Doesn't actually free any memory, or do any other talloc calls. // Doesn't actually free any memory, or do any other talloc calls.
#define MP_TARRAY_REMOVE_AT(p, idxvar, at) \ #define MP_TARRAY_REMOVE_AT(p, idxvar, at) \
do { \ do { \