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1befc49414
Unfortunately there's still a case where NULL can be returned from file_pat_to_reg_pat(). xmemdupz() and xmallocz() aren't static anymore. There are many use cases for these function.
81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
#ifndef NEOVIM_MEMORY_H
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#define NEOVIM_MEMORY_H
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#include "func_attr.h"
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#include "types.h"
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#include "vim.h"
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char_u *alloc(unsigned size) FUNC_ATTR_MALLOC FUNC_ATTR_ALLOC_SIZE(1);
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char_u *alloc_clear(unsigned size) FUNC_ATTR_MALLOC FUNC_ATTR_ALLOC_SIZE(1);
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/// malloc() wrapper
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///
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/// xmalloc() succeeds or gracefully aborts when out of memory.
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/// Before aborting try to free some memory and call malloc again.
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///
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/// @see {try_to_free_memory}
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/// @param size
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/// @return pointer to allocated space. Never NULL
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void *xmalloc(size_t size)
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FUNC_ATTR_MALLOC FUNC_ATTR_ALLOC_SIZE(1) FUNC_ATTR_NONNULL_RET;
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/// calloc() wrapper
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///
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/// @see {xmalloc}
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/// @param count
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/// @param size
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/// @return pointer to allocated space. Never NULL
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void *xcalloc(size_t count, size_t size)
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FUNC_ATTR_MALLOC FUNC_ATTR_ALLOC_SIZE_PROD(1, 2) FUNC_ATTR_NONNULL_RET;
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/// realloc() wrapper
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///
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/// @see {xmalloc}
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/// @param size
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/// @return pointer to reallocated space. Never NULL
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void *xrealloc(void *ptr, size_t size)
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FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_ALLOC_SIZE(2) FUNC_ATTR_NONNULL_RET;
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/// xmalloc() wrapper that allocates size + 1 bytes and zeroes the last byte
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///
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/// @see {xmalloc}
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/// @param size
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/// @return pointer to allocated space. Never NULL
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void *xmallocz(size_t size) FUNC_ATTR_MALLOC FUNC_ATTR_NONNULL_RET;
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/// Allocates (len + 1) bytes of memory, duplicates `len` bytes of
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/// `data` to the allocated memory, zero terminates the allocated memory,
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/// and returns a pointer to the allocated memory. If the allocation fails,
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/// the program dies.
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///
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/// @see {xmalloc}
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/// @param data Pointer to the data that will be copied
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/// @param len number of bytes that will be copied
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void *xmemdupz(const void *data, size_t len);
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/// strdup() wrapper
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///
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/// @see {xmalloc}
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/// @param str 0-terminated string that will be copied
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/// @return pointer to a copy of the string
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char * xstrdup(const char *str)
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FUNC_ATTR_MALLOC FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_NONNULL_RET;
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/// strndup() wrapper
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///
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/// @see {xmalloc}
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/// @param str 0-terminated string that will be copied
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/// @return pointer to a copy of the string
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char * xstrndup(const char *str, size_t len)
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FUNC_ATTR_MALLOC FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_NONNULL_RET;
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/// Old low level memory allocation function.
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///
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/// @deprecated use xmalloc() directly instead
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/// @param size
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/// @return pointer to allocated space. Never NULL
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char_u *lalloc(long_u size, int message) FUNC_ATTR_MALLOC FUNC_ATTR_ALLOC_SIZE(1);
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void do_outofmem_msg(long_u size);
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void free_all_mem(void);
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#endif
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