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Code Issues 1 Releases Wiki Activity

Add scratch memory API.

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This should make it easier to write
code that does not leak memory on panics.
This commit is contained in:
Calvin Rose
2019-06-01 23:31:39 -04:00
parent 0a54e1ed62
commit c150f2f2c1
7 changed files with 90 additions and 17 deletions
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15
src/core/vector.c
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@@ -30,17 +30,10 @@ void *janet_v_grow(void *v, int32_t increment, int32_t itemsize) {
int32_t dbl_cur = (NULL != v) ? 2 * janet_v__cap(v) : 0;
int32_t min_needed = janet_v_count(v) + increment;
int32_t m = dbl_cur > min_needed ? dbl_cur : min_needed;
int32_t *p = (int32_t *) realloc(v ? janet_v__raw(v) : 0, itemsize * m + sizeof(int32_t) * 2);
if (NULL != p) {
if (!v) p[1] = 0;
p[0] = m;
return p + 2;
} else {
{
JANET_OUT_OF_MEMORY;
}
return (void *)(2 * sizeof(int32_t));
}
int32_t *p = (int32_t *) janet_srealloc(v ? janet_v__raw(v) : 0, itemsize * m + sizeof(int32_t) * 2);
if (!v) p[1] = 0;
p[0] = m;
return p + 2;
}
/* Convert a buffer to normal allocated memory (forget capacity) */