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diff --git a/man3/libsimple_vmemalignzn.3 b/man3/libsimple_vmemalignzn.3 new file mode 100644 index 0000000..f59b3a0 --- /dev/null +++ b/man3/libsimple_vmemalignzn.3 @@ -0,0 +1,235 @@ +.TH LIBSIMPLE_VMEMALIGNZN 3 2018-11-03 libsimple +.SH NAME +libsimple_vmemalignzn \- allocate optionally initialised memory with custom alignment +.SH SYNOPSIS +.nf +#include <libsimple.h> + +static inline void *libsimple_vmemalignzn(int \fIclear\fP, size_t \fIalignment\fP, size_t \fIn\fP, va_list \fIap\fP); +static inline void *libsimple_envmemalignzn(int \fIstatus\fP, int \fIclear\fP, size_t \fIalignment\fP, size_t \fIn\fP, va_list \fIap\fP); +static inline void *libsimple_evmemalignzn(int \fIclear\fP, size_t \fIalignment\fP, size_t \fIn\fP, va_list \fIap\fP); +static inline void *libsimple_memalignzn(int \fIclear\fP, size_t \fIalignment\fP, size_t \fIn\fP, ..., /* (size_t)0 */); +static inline void *libsimple_enmemalignzn(int \fIstatus\fP, int \fIclear\fP, size_t \fIalignment\fP, size_t \fIn\fP, ..., /* (size_t)0 */); +static inline void *libsimple_ememalignzn(int \fIclear\fP, size_t \fIalignment\fP, size_t \fIn\fP, ..., /* (size_t)0 */); + +#ifndef vmemalignzn +# define vmemalignzn libsimple_vmemalignzn +#endif +#ifndef envmemalignzn +# define envmemalignzn libsimple_envmemalignzn +#endif +#ifndef evmemalignzn +# define evmemalignzn libsimple_evmemalignzn +#endif +#ifndef memalignzn +# define memalignzn libsimple_memalignzn +#endif +#ifndef enmemalignzn +# define enmemalignzn libsimple_enmemalignzn +#endif +#ifndef ememalignzn +# define ememalignzn libsimple_ememalignzn +#endif +.fi +.PP +Link with +.IR \-lsimple . +.SH DESCRIPTION +The +.BR libsimple_memalignzn (), +.BR libsimple_enmemalignzn (), +and +.BR libsimple_ememalignzn () +functions allocate +.I N +bytes to the heap and return a pointer with an +alignment of +.I alignment +bytes to the allocated memory, where +.I N +is the product of +.I n +and all following arguments (which should have the type +.BR size_t ) +up to the first 0; +.I n +must not be 0. The memory will be initialised +with zeroes if +.I clear +is a non-zero value. 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_enmemalignzn () +and +.BR libsimple_ememalignzn () +functions will terminate the process if the memory +cannot be allocated, 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_enmemalignzn () +function is used or +.IR libsimple_default_failure_exit (3) +if the +.BR libsimple_ememalignzn () +function is used. +.PP +The +.BR libsimple_vmemalignzn (), +.BR libsimple_envmemalignzn (), +and +.BR libsimple_evmemalignzn () +functions are versions of the +.BR libsimple_memalignzn (), +.BR libsimple_enmemalignzn (), +and +.BR libsimple_ememalignzn (), +respectively, that use +.B va_list +instead of variadic arguments. +.SH RETURN VALUE +The +.BR libsimple_vmemalignzn (), +.BR libsimple_envmemalignzn (), +.BR libsimple_evmemalignzn (), +.BR libsimple_memalignzn (), +.BR libsimple_enmemalignzn (), +and +.BR libsimple_ememalignzn () +functions return a pointer to the allocated memory +upon success completion; otherwise the +.BR libsimple_vmemalignzn () +and +.BR libsimple_memalignzn () +functions return +.B NULL +and set +.I errno +it indicate the error, and the +.BR libsimple_envmemalignzn (), +.BR libsimple_evmemalignzn (), +.BR libsimple_enmemalignzn (), +and +.BR libsimple_ememalignzn () +functions terminated the process. +.SH ERRORS +The +.BR libsimple_vmemalignzn (), +.BR libsimple_memalignzn () +function will fail if: +.TP +.B EINVAL +.I n +is 0. +.TP +.B EINVAL +.I alignment +is not a power of two. +.TP +.B ENOMEM +Enough memory could not be allocated. +.PP +The +.BR libsimple_envmemalignzn (), +.BR libsimple_evmemalignzn (), +.BR libsimple_enmemalignzn (), +and +.BR libsimple_ememalignzn () +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_vmemalignzn (), +.br +.BR libsimple_envmemalignzn (), +.br +.BR libsimple_evmemalignzn (), +.br +.BR libsimple_memalignzn (), +.br +.BR libsimple_enmemalignzn (), +.br +.BR libsimple_ememalignzn () +T} Thread safety MT-Safe +T{ +.BR libsimple_vmemalignzn (), +.br +.BR libsimple_envmemalignzn (), +.br +.BR libsimple_evmemalignzn (), +.br +.BR libsimple_memalignzn (), +.br +.BR libsimple_enmemalignzn (), +.br +.BR libsimple_ememalignzn () +T} Async-signal safety AS-Safe +T{ +.BR libsimple_vmemalignzn (), +.br +.BR libsimple_envmemalignzn (), +.br +.BR libsimple_evmemalignzn (), +.br +.BR libsimple_memalignzn (), +.br +.BR libsimple_enmemalignzn (), +.br +.BR libsimple_ememalignzn () +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_enrealloc (3), +.BR libsimple_vreallocn (3), +.BR libsimple_memalign (3), +.BR libsimple_memalignz (3), +.BR libsimple_vmemalignn (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) |