39 lines
923 B
C
39 lines
923 B
C
#define VEC_STRUCT(typename, inttype) \
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struct typename { \
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inttype *buf; \
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size_t len, alen; \
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}
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#define VEC_INIT(ctl) memset(&ctl, 0, sizeof(ctl))
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#define VEC_ADD(ctl, val) { \
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if (!(ctl).alen) { \
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(ctl).alen = 8; \
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(ctl).buf = malloc(8 * sizeof(val)); \
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} else if ((ctl).len >= (ctl).alen) { \
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(ctl).alen *= 2; \
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(ctl).buf = realloc((ctl).buf, (ctl).alen * sizeof(val)); \
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} \
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(ctl).buf[(ctl).len++] = val; \
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}
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#define VEC_ADDN(ctl, valt, n) { \
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if (!(ctl).alen) { \
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(ctl).alen = 8; \
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(ctl).buf = malloc(8 * sizeof(valt)); \
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} \
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size_t nlen = (ctl).alen; \
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while ((ctl).len + n > nlen) \
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nlen *= 2; \
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if (nlen > (ctl).alen) { \
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(ctl).alen = nlen; \
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(ctl).buf = realloc((ctl).buf, nlen * sizeof(valt)); \
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} \
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(ctl).len += n; \
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}
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#define VEC_FREE(ctl) { free((ctl).buf); memset(&(ctl), 0, sizeof((ctl))); }
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#define VEC_LENGTH(ctl) ((ctl).len)
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#define VEC_BUF(ctl, num) ((ctl).buf[num])
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