mirror of
https://github.com/jart/cosmopolitan.git
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fa20edc44d
- Remove most __ASSEMBLER__ __LINKER__ ifdefs - Rename libc/intrin/bits.h to libc/serialize.h - Block pthread cancelation in fchmodat() polyfill - Remove `clang-format off` statements in third_party
29 lines
1.4 KiB
C
29 lines
1.4 KiB
C
#ifndef COSMOPOLITAN_LIBC_ALG_ARRAYLIST_H_
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#define COSMOPOLITAN_LIBC_ALG_ARRAYLIST_H_
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#include "libc/mem/internal.h"
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#include "libc/str/str.h"
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/* TODO(jart): DELETE */
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#define append(ARRAYLIST, ITEM) concat((ARRAYLIST), (ITEM), 1)
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#ifndef concat
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#define concat(ARRAYLIST, ITEM, COUNT) \
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({ \
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autotype(ARRAYLIST) List = (ARRAYLIST); \
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autotype(&List->p[0]) Item = (ITEM); \
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size_t SizE = sizeof(*Item); \
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size_t Count = (COUNT); \
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size_t Idx = List->i; \
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if (Idx + Count < List->n || __grow(&List->p, &List->n, SizE, Count)) { \
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memcpy(&List->p[Idx], Item, SizE *Count); \
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List->i = Idx + Count; \
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} else { \
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Idx = -1UL; \
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} \
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(ssize_t)(Idx); \
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})
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#endif /* concat */
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#endif /* COSMOPOLITAN_LIBC_ALG_ARRAYLIST_H_ */
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