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author | Mattias Andrée <maandree@kth.se> | 2018-11-07 22:18:04 +0100 |
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committer | Mattias Andrée <maandree@kth.se> | 2018-11-07 22:18:04 +0100 |
commit | 9fc2b129167e1f2a16d942369f057f618a00d81c (patch) | |
tree | c15d15d8afc525a423ce0d43d95f676e6e5a2541 /man3/libsimple_vmalloczn.3 | |
parent | Add arrayalloc man page (diff) | |
download | libsimple-9fc2b129167e1f2a16d942369f057f618a00d81c.tar.gz libsimple-9fc2b129167e1f2a16d942369f057f618a00d81c.tar.bz2 libsimple-9fc2b129167e1f2a16d942369f057f618a00d81c.tar.xz |
Move section 3 man pages to man3/ and add libsimple.h.0
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'man3/libsimple_vmalloczn.3')
-rw-r--r-- | man3/libsimple_vmalloczn.3 | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/man3/libsimple_vmalloczn.3 b/man3/libsimple_vmalloczn.3 new file mode 100644 index 0000000..8b12b4a --- /dev/null +++ b/man3/libsimple_vmalloczn.3 @@ -0,0 +1,238 @@ +.TH LIBSIMPLE_VMALLOCZN 3 2018-11-03 libsimple +.SH NAME +libsimple_vmalloczn \- allocate optionally initialised memory +.SH SYNOPSIS +.nf +#include <libsimple.h> + +void *libsimple_vmalloczn(int \fIclear\fP, size_t \fIn\fP, va_list \fIap\fP); +void *libsimple_envmalloczn(int \fIstatus\fP, int \fIclear\fP, size_t \fIn\fP, va_list \fIap\fP); +static inline void *libsimple_evmalloczn(int \fIclear\fP, size_t \fIn\fP, va_list \fIap\fP); +static inline void *libsimple_malloczn(int \fIclear\fP, size_t \fIn\fP, ..., /* (size_t)0 */); +static inline void *libsimple_enmalloczn(int \fIstatus\fP, int \fIclear\fP, size_t \fIn\fP, ..., /* (size_t)0 */); +static inline void *libsimple_emalloczn(int \fIclear\fP, size_t \fIn\fP, ..., /* (size_t)0 */); + +#ifndef vmalloczn +# define vmalloczn libsimple_vmalloczn +#endif +#ifndef envmalloczn +# define envmalloczn libsimple_envmalloczn +#endif +#ifndef evmalloczn +# define evmalloczn libsimple_evmalloczn +#endif +#ifndef malloczn +# define malloczn libsimple_malloczn +#endif +#ifndef enmalloczn +# define enmalloczn libsimple_enmalloczn +#endif +#ifndef emalloczn +# define emalloczn libsimple_emalloczn +#endif +.fi +.PP +Link with +.IR \-lsimple . +.SH DESCRIPTION +The +.BR libsimple_malloczn (), +.BR libsimple_enmalloczn (), +and +.BR libsimple_emalloczn () +functions are wrappers for the +.BR malloc (3) +and +.BR calloc (3) +functions, they allocate +.I N +bytes to the heap and return a pointer with an +alignment of +.I alignof(max_align_t) +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_enmalloczn () +and +.BR libsimple_emalloczn () +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_enmalloczn () +function is used or +.IR libsimple_default_failure_exit (3) +if the +.BR libsimple_emalloczn () +function is used. +.PP +The +.BR libsimple_vmalloczn (), +.BR libsimple_envmalloczn (), +and +.BR libsimple_evmalloczn () +functions are versions of the +.BR libsimple_malloczn (), +.BR libsimple_enmalloczn (), +and +.BR libsimple_emalloczn (), +respectively, that use +.B va_list +instead of variadic arguments. +.SH RETURN VALUE +The +.BR libsimple_vmalloczn (), +.BR libsimple_envmalloczn (), +.BR libsimple_evmalloczn (), +.BR libsimple_malloczn (), +.BR libsimple_enmalloczn (), +and +.BR libsimple_emalloczn () +functions return a pointer to the allocated memory +upon success completion; otherwise the +.BR libsimple_vmalloczn () +and +.BR libsimple_malloczn () +functions return +.B NULL +and set +.I errno +it indicate the error, and the +.BR libsimple_envmalloczn (), +.BR libsimple_evmalloczn (), +.BR libsimple_enmalloczn (), +and +.BR libsimple_emalloczn () +functions terminated the process. +.SH ERRORS +The +.BR libsimple_vmalloczn (), +.BR libsimple_malloczn () +function will fail for the reasons specified for the +.BR malloc (3) +and +.BR calloc (3) +functions, and if: +.TP +.B EINVAL +.I n +is 0. +.PP +The +.BR libsimple_envmalloczn (), +.BR libsimple_evmalloczn (), +.BR libsimple_enmalloczn (), +and +.BR libsimple_emalloczn () +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_vmalloczn (), +.br +.BR libsimple_envmalloczn (), +.br +.BR libsimple_evmalloczn (), +.br +.BR libsimple_malloczn (), +.br +.BR libsimple_enmalloczn (), +.br +.BR libsimple_emalloczn () +T} Thread safety MT-Safe +T{ +.BR libsimple_vmalloczn (), +.br +.BR libsimple_envmalloczn (), +.br +.BR libsimple_evmalloczn (), +.br +.BR libsimple_malloczn (), +.br +.BR libsimple_enmalloczn (), +.br +.BR libsimple_emalloczn () +T} Async-signal safety AS-Safe +T{ +.BR libsimple_vmalloczn (), +.br +.BR libsimple_envmalloczn (), +.br +.BR libsimple_evmalloczn (), +.br +.BR libsimple_malloczn (), +.br +.BR libsimple_enmalloczn (), +.br +.BR libsimple_emalloczn () +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_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_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 malloc (3), +.BR calloc (3) |