libwget-mem - Man Page

Memory functions

Synopsis

Functions

void * wget_memdup (const void *m, size_t n)
char * wget_strdup (const char *s)
char * wget_strmemdup (const void *m, size_t n)
size_t wget_strmemcpy (char *s, size_t ssize, const void *m, size_t n)
void * wget_strmemcpy_a (char *s, size_t ssize, const void *m, size_t n)

Detailed Description

This is a collections of short memory function not available in standard libraries.

Function Documentation

void * wget_memdup (const void * m, size_t n)

Parameters

m Memory to clone
n Length of memory

Returns

Cloned memory

Clone's the memory region m with length n. Returns NULL if m is NULL.

You should free() the returned pointer when not needed any more.

char * wget_strdup (const char * s)

Parameters

s String to clone

Returns

Cloned string

Clone's the string s like strdup() does. Returns NULL if s is NULL.

You should free() the returned string when not needed any more.

char * wget_strmemdup (const void * m, size_t n)

Parameters

m Memory to convert into string
n Length of memory

Returns

Created string

Convert the given memory region m with length n into a C string. Returns NULL if m is NULL.

You should free() the returned string when not needed any more.

size_t wget_strmemcpy (char * s, size_t ssize, const void * m, size_t n)

Parameters

s Buffer to hold the C string output
ssize Size of the output buffer
m Memory to read from
n Length of memory

Returns

Number of bytes copied, not counting the trailing 0 byte

Convert the given memory region m with length n into a C string at s. A max. of ssize - 1 is copied into s.

void * wget_strmemcpy_a (char * s, size_t ssize, const void * m, size_t n)

Parameters

s Buffer to hold the C string output
ssize Size of the output buffer
m Memory to read from
n Length of memory

Returns

Pointer to destination (either s or a freshly allocated buffer)

Convert the given memory region m with length n into a C string at s or at freshly allocated memory, if the space in s was not sufficient.

If s was too small to hold n + 1 bytes, the result must be free'd after use, e.g. if (res != s) wget_free(res);

Author

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Info

Sun Sep 26 2021 Version 2.0.0 wget2