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-.TH LIBSIMPLE_ENREALLOC 3 2018-11-03 libsimple
-.SH NAME
-libsimple_enrealloc \- reallocate memory or die
-.SH SYNOPSIS
-.nf
-#include <libsimple.h>
-
-void *libsimple_enrealloc(int \fIstatus\fP, void *\fIptr\fP, size_t \fIn\fP);
-static inline void *libsimple_erealloc(void *\fIptr\fP, size_t \fIn\fP);
-
-#ifndef enrealloc
-# define enrealloc libsimple_enrealloc
-#endif
-#ifndef erealloc
-# define erealloc libsimple_erealloc
-#endif
-.fi
-.PP
-Link with
-.IR \-lsimple .
-.SH DESCRIPTION
-The
-.BR libsimple_enrealloc ()
-and
-.BR libsimple_erealloc ()
-functions are wrappers for the
-.BR realloc (3)
-function, they reallocate memory allocated on the
-heap and return the old pointer or a new pointer
-with an alignment of
-.I alignof(max_align_t)
-to the allocated memory of
-.I n
-bytes. The returned pointer will contain the
-same content as
-.IR ptr ,
-but truncated to
-.I n
-bytes if it is smaller or with the new bytes
-uninitialised if it is larger. If a new pointer
-is returned, rather than
-.IR ptr ,
-.I ptr
-is deallocated. The function
-.BR free (3)
-shall be called with the returned pointer as
-input when the allocated memory is no longer needed.
-.PP
-The
-.BR libsimple_enrealloc ()
-and
-.BR libsimple_erealloc ()
-functions will terminate the process if the memory
-cannot be allocated (or if
-.I n
-is 0 and
-.BR realloc (3)
-returns
-.B NULL
-when it is used to allocate 0 bytes), by calling the
-.BR libsimple_enprintf ()
-and
-.BR libsimple_eprintf ()
-functions, respectively.
-On failure, the process's exit value will be
-.I status
-if the
-.BR libsimple_enrealloc ()
-function is used or
-.IR libsimple_default_failure_exit (3)
-if the
-.BR libsimple_erealloc ()
-function is used.
-.PP
-The
-.BR libsimple_enrealloc ()
-and
-.BR libsimple_erealloc ()
-functions behaviour is unspecified if
-.I n
-is 0.
-.SH RETURN VALUE
-The
-.BR libsimple_enrealloc ()
-and
-.BR libsimple_erealloc ()
-functions return a pointer to the allocated memory
-upon success completion; otherwise the process is terminated.
-.SH ERRORS
-The
-.BR libsimple_enrealloc ()
-and
-.BR libsimple_erealloc ()
-functions will terminate the process on failure.
-.SH ATTRIBUTES
-For an explanation of the terms used in this section, see
-.BR attributes (7).
-.TS
-allbox;
-lb lb lb
-l l l.
-Interface Attribute Value
-T{
-.BR libsimple_enrealloc (),
-.br
-.BR libsimple_erealloc ()
-T} Thread safety MT-Safe
-T{
-.BR libsimple_enrealloc (),
-.br
-.BR libsimple_erealloc ()
-T} Async-signal safety AS-Safe
-T{
-.BR libsimple_enrealloc (),
-.br
-.BR libsimple_erealloc ()
-T} Async-cancel safety AC-Safe
-.TE
-.SH EXAMPLES
-None.
-.SH APPLICATION USAGE
-None.
-.SH RATIONALE
-None.
-.SH FUTURE DIRECTIONS
-None.
-.SH NOTES
-None.
-.SH BUGS
-None.
-.SH SEE ALSO
-.BR libsimple_enmalloc (3),
-.BR libsimple_mallocz (3),
-.BR libsimple_vmallocn (3),
-.BR libsimple_vmalloczn (3),
-.BR libsimple_encalloc (3),
-.BR libsimple_vcallocn (3),
-.BR libsimple_vreallocn (3),
-.BR libsimple_memalign (3),
-.BR libsimple_memalignz (3),
-.BR libsimple_vmemalignn (3),
-.BR libsimple_vmemalignzn (3),
-.BR libsimple_enposix_memalign (3),
-.BR libsimple_posix_memalignz (3),
-.BR libsimple_vposix_memalignn (3),
-.BR libsimple_vposix_memalignzn (3),
-.BR libsimple_enaligned_alloc (3),
-.BR libsimple_aligned_allocz (3),
-.BR libsimple_valigned_allocn (3),
-.BR libsimple_valigned_alloczn (3),
-.BR libsimple_pvalloc (3),
-.BR libsimple_pvallocz (3),
-.BR libsimple_vpvallocn (3),
-.BR libsimple_vpvalloczn (3),
-.BR libsimple_valloc (3),
-.BR libsimple_vallocz (3),
-.BR libsimple_vvallocn (3),
-.BR libsimple_vvalloczn (3),
-.BR libsimple_vmemalloc (3),
-.BR libsimple_varrayalloc (3),
-.BR realloc (3)