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This lets our system() and popen() commands function sort of like BusyBox and ToyBox. By default the Cosmopolitan Shell is lightweight. But if you use STATIC_YOINK then you can pull the individual commands you want into the linkage, and they'll be included in a single binary. For example the demo binary embeds `tr` and `sed` and ends up ~140kb.
64 lines
2.8 KiB
C
64 lines
2.8 KiB
C
#ifndef COSMOPOLITAN_LIBC_MEM_MEM_H_
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#define COSMOPOLITAN_LIBC_MEM_MEM_H_
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#define M_TRIM_THRESHOLD (-1)
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#define M_GRANULARITY (-2)
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#define M_MMAP_THRESHOLD (-3)
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § dynamic memory ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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void free(void *) libcesque;
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void *malloc(size_t) attributeallocsize((1)) mallocesque;
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void *calloc(size_t, size_t) attributeallocsize((1, 2)) mallocesque;
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void *memalign(size_t, size_t) attributeallocalign((1))
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attributeallocsize((2)) returnspointerwithnoaliases libcesque dontdiscard;
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void *realloc(void *, size_t) reallocesque;
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void *realloc_in_place(void *, size_t) reallocesque;
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void *reallocarray(void *, size_t, size_t) dontdiscard;
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void *valloc(size_t) attributeallocsize((1)) vallocesque;
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void *pvalloc(size_t) vallocesque;
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char *strdup(const char *) paramsnonnull() mallocesque;
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char *strndup(const char *, size_t) paramsnonnull() mallocesque;
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void *aligned_alloc(size_t, size_t) attributeallocalign((1))
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attributeallocsize((2)) returnspointerwithnoaliases libcesque dontdiscard;
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int posix_memalign(void **, size_t, size_t);
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bool __grow(void *, size_t *, size_t, size_t) paramsnonnull((1, 2)) libcesque;
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int malloc_trim(size_t);
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size_t bulk_free(void **, size_t);
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size_t malloc_usable_size(void *);
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void **independent_calloc(size_t, size_t, void **);
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void **independent_comalloc(size_t, size_t *, void **);
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wchar_t *wcsdup(const wchar_t *) strlenesque dontdiscard;
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struct mallinfo {
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size_t arena; /* non-mmapped space allocated from system */
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size_t ordblks; /* number of free chunks */
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size_t smblks; /* always 0 */
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size_t hblks; /* always 0 */
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size_t hblkhd; /* space in mmapped regions */
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size_t usmblks; /* maximum total allocated space */
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size_t fsmblks; /* always 0 */
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size_t uordblks; /* total allocated space */
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size_t fordblks; /* total free space */
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size_t keepcost; /* releasable (via malloc_trim) space */
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};
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struct mallinfo mallinfo(void);
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void malloc_stats(void);
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size_t malloc_footprint(void);
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size_t malloc_max_footprint(void);
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size_t malloc_footprint_limit(void);
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size_t malloc_set_footprint_limit(size_t);
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void malloc_inspect_all(void (*handler)(void *, void *, size_t, void *),
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void *);
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_MEM_MEM_H_ */
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