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| -rw-r--r-- | man/libsimple_enrealloc.3 | 159 | ||||
| -rw-r--r-- | man/libsimple_vreallocn.3 | 241 |
2 files changed, 400 insertions, 0 deletions
diff --git a/man/libsimple_enrealloc.3 b/man/libsimple_enrealloc.3 new file mode 100644 index 0000000..c7b81b4 --- /dev/null +++ b/man/libsimple_enrealloc.3 @@ -0,0 +1,159 @@ +.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 realloc (3) diff --git a/man/libsimple_vreallocn.3 b/man/libsimple_vreallocn.3 new file mode 100644 index 0000000..9e9b072 --- /dev/null +++ b/man/libsimple_vreallocn.3 @@ -0,0 +1,241 @@ +.TH LIBSIMPLE_VREALLOCN 3 2018-11-03 libsimple +.SH NAME +libsimple_vreallocn \- reallocate memory +.SH SYNOPSIS +.nf +#include <libsimple.h> + +void *libsimple_vreallocn(void *\fIptr\fP, size_t \fIn\fP, va_list \fIap\fP); +void *libsimple_envreallocn(int \fIstatus\fP, void *\fIptr\fP, size_t \fIn\fP, va_list \fIap\fP); +static inline void *libsimple_evreallocn(void *\fIptr\fP, size_t \fIn\fP, va_list \fIap\fP); +static inline void *libsimple_reallocn(void *\fIptr\fP, size_t \fIn\fP, ..., /* (size_t)0 */); +static inline void *libsimple_enreallocn(int \fIstatus\fP, void *\fIptr\fP, size_t \fIn\fP, ..., /* (size_t)0 */); +static inline void *libsimple_ereallocn(void *\fIptr\fP, size_t \fIn\fP, ..., /* (size_t)0 */); + +#ifndef vreallocn +# define vreallocn libsimple_vreallocn +#endif +#ifndef envreallocn +# define envreallocn libsimple_envreallocn +#endif +#ifndef evreallocn +# define evreallocn libsimple_evreallocn +#endif +#ifndef reallocn +# define reallocn libsimple_reallocn +#endif +#ifndef enreallocn +# define enreallocn libsimple_enreallocn +#endif +#ifndef ereallocn +# define ereallocn libsimple_ereallocn +#endif +.fi +.PP +Link with +.IR \-lsimple . +.SH DESCRIPTION +The +.BR libsimple_reallocn (), +.BR libsimple_enreallocn (), +and +.BR libsimple_ereallocn () +functions are wrappers for the +.BR realloc (3) +function, they reallocate memory allocated on +the heap and return the older pointer ot a new +pointer with the alignment of +.I alignof(max_align_t) +to the allocated memory of +.I N +bytes, 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 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 +unitialised if it is larger. If a new pointer +is returned, rather than +.IR ptr , +.I ptr +is deallocated; +.I ptr +is not deallocated on failure. 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_enreallocn () +and +.BR libsimple_ereallocn () +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_enreallocn () +function is used or +.IR libsimple_default_failure_exit (3) +if the +.BR libsimple_ereallocn () +function is used. +.PP +The +.BR libsimple_vreallocn (), +.BR libsimple_envreallocn (), +and +.BR libsimple_evreallocn () +functions are versions of the +.BR libsimple_reallocn (), +.BR libsimple_enreallocn (), +and +.BR libsimple_ereallocn (), +respectively, that use +.B va_list +instead of variadic arguments. +.SH RETURN VALUE +The +.BR libsimple_vreallocn (), +.BR libsimple_envreallocn (), +.BR libsimple_evreallocn (), +.BR libsimple_reallocn (), +.BR libsimple_enreallocn (), +and +.BR libsimple_ereallocn () +functions return a pointer to the allocated memory +upon success completion; otherwise the +.BR libsimple_vreallocn () +and +.BR libsimple_reallocn () +functions return +.B NULL +and set +.I errno +it indicate the error, and the +.BR libsimple_envreallocn (), +.BR libsimple_evreallocn (), +.BR libsimple_enreallocn (), +and +.BR libsimple_ereallocn () +functions terminated the process. +.SH ERRORS +The +.BR libsimple_vreallocn (), +.BR libsimple_reallocn () +function will fail for the reasons specified for the +.BR realloc (3) +function, and if: +.TP +.B EINVAL +.I n +is 0. +.PP +The +.BR libsimple_envreallocn (), +.BR libsimple_evreallocn (), +.BR libsimple_enreallocn (), +and +.BR libsimple_ereallocn () +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_vreallocn (), +.br +.BR libsimple_envreallocn (), +.br +.BR libsimple_evreallocn (), +.br +.BR libsimple_reallocn (), +.br +.BR libsimple_enreallocn (), +.br +.BR libsimple_ereallocn () +T} Thread safety MT-Safe +T{ +.BR libsimple_vreallocn (), +.br +.BR libsimple_envreallocn (), +.br +.BR libsimple_evreallocn (), +.br +.BR libsimple_reallocn (), +.br +.BR libsimple_enreallocn (), +.br +.BR libsimple_ereallocn () +T} Async-signal safety AS-Safe +T{ +.BR libsimple_vreallocn (), +.br +.BR libsimple_envreallocn (), +.br +.BR libsimple_evreallocn (), +.br +.BR libsimple_reallocn (), +.br +.BR libsimple_enreallocn (), +.br +.BR libsimple_ereallocn () +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_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 malloc (3) |