Various string and character functions. More...

Macros
#define	MEMSPACE

#define	WEAK_ATR __attribute__((weak))

Functions
MEMSPACE int WEAK_ATR	isdigit (int c)
	undo any existing macros More...

MEMSPACE int WEAK_ATR	isupper (int c)
	Is a character upper case. More...

MEMSPACE int WEAK_ATR	islower (int c)

MEMSPACE int WEAK_ATR	tolower (int c)
	Convert character to lower case, only if it is upper case. More...

MEMSPACE int WEAK_ATR	toupper (int c)
	Convert character to upper case, only if it is lower case. More...

MEMSPACE void *	memchr (const void *str, int c, size_t size)
	find a character in a string of maximum size More...

MEMSPACE size_t WEAK_ATR	strlen (const char *str)
	String Length. More...

MEMSPACE WEAK_ATR char *	strcpy (char dest, const char src)
	copy a string More...

MEMSPACE WEAK_ATR char *	strncpy (char dest, const char src, size_t size)
	copy a string of at most N characters More...

MEMSPACE WEAK_ATR char *	strcat (char dest, const char src)
	Append string. More...

MEMSPACE WEAK_ATR char *	strncat (char dest, const char src, size_t max)
	Append string of at most N bytes from src. More...

MEMSPACE void WEAK_ATR	reverse (char *str)
	Reverse a string in place Example: abcdef -> fedcba. More...

MEMSPACE void WEAK_ATR	strupper (char *str)
	UPPERCASE a string. More...

MEMSPACE int WEAK_ATR	strcmp (const char str, const char pat)
	Compare two strings. More...

MEMSPACE int WEAK_ATR	strncmp (const char str, const char pat, size_t len)
	Compare two strings maximum len bytes in size. More...

MEMSPACE int WEAK_ATR	strcasecmp (const char str, const char pat)
	Compare two strings without case. More...

MEMSPACE int WEAK_ATR	strncasecmp (const char str, const char pat, size_t len)
	Compare two strings without case maximum len bytes in size. More...

MEMSPACE char *	strnalloc (char *str, int len)
	Allocate space for string with maximum size. More...

MEMSPACE char *	stralloc (char *str)
	Allocate space for string. More...

Detailed Description

Various string and character functions.

Copyright © 2016 Mike Gore, GPL License

You are free to use this code under the terms of GPL: please retain a copy of this notice in any code you use it in.

This is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Definition in file stringsup.h.

Macro Definition Documentation

◆ MEMSPACE

#define MEMSPACE

Definition at line 28 of file stringsup.h.

◆ WEAK_ATR

#define WEAK_ATR __attribute__((weak))

Definition at line 33 of file stringsup.h.

Function Documentation

◆ isdigit()

MEMSPACE int WEAK_ATR isdigit ( int c )

undo any existing macros

Parameters

[in] c character

Returns: true or false

Definition at line 40 of file stringsup.c.

◆ islower()

MEMSPACE int WEAK_ATR islower ( int c )

Parameters

[in] c character.

Returns: 1 of lower case, else 0

Definition at line 74 of file stringsup.c.

Referenced by toupper().

◆ isupper()

MEMSPACE int WEAK_ATR isupper ( int c )

Is a character upper case.

Parameters

[in] c character.

Returns: 1 of upper case, else 0

Definition at line 57 of file stringsup.c.

Referenced by tolower().

◆ memchr()

MEMSPACE void* memchr	(	const void *	str,
		int	c,
		size_t	size
	)

find a character in a string of maximum size

Parameters

[in]	str	string
[in]	c	character
[in]	size	string length to search

Returns: string length

Definition at line 122 of file stringsup.c.

◆ reverse()

MEMSPACE void WEAK_ATR reverse ( char * str )

Reverse a string in place Example: abcdef -> fedcba.

Parameters

[in] str string

Returns: string length

Definition at line 233 of file stringsup.c.

◆ stralloc()

MEMSPACE char* stralloc ( char * str )

Allocate space for string.

Copies tring into allocated space.

Parameters

[in] str user string.

Returns: pointer to alocated string.; NULL on out of memory.

Definition at line 406 of file stringsup.c.

Referenced by hpdir_set_device(), mount(), Read_Config(), and SS80_Set_Defaults().

◆ strcasecmp()

MEMSPACE int WEAK_ATR strcasecmp	(	const char *	str,
		const char *	pat
	)

Compare two strings without case.

Parameters

[in]	str	string to match.
[in]	pat	pattern to compare.

Returns: 0 on match, < 0 implies str sorts before pat, > 0 implies str sorts after pat

Definition at line 328 of file stringsup.c.

Referenced by lif_find_file(), MATCHI(), and td02lif().

◆ strcat()

MEMSPACE WEAK_ATR char* strcat	(	char *	dest,
		const char *	src
	)

Append string.

Parameters

[in]	dest	string
[in]	src	string

Returns: string length

Definition at line 199 of file stringsup.c.

Referenced by gpib_trace_display(), hpdir_find_drive(), lif_add_ascii_file_as_e010_wrapper(), and ls().

◆ strcmp()

MEMSPACE int WEAK_ATR strcmp	(	const char *	str,
		const char *	pat
	)

Compare two strings.

Parameters

[in]	str	string to match.
[in]	pat	pattern to compare.

Returns: 0 on match, < 0 implies str sorts before pat, > 0 implies str sorts after pat

Definition at line 278 of file stringsup.c.

Referenced by MATCH().

◆ strcpy()

MEMSPACE WEAK_ATR char* strcpy	(	char *	dest,
		const char *	src
	)

copy a string

Parameters

[in]	dest	destination string
[in]	src	source string

Returns: destination string

Definition at line 160 of file stringsup.c.

Referenced by fatfs_ls(), fatfs_scan_files(), fatfs_status(), lif_lifbcd2timestr(), lif_stralloc(), ls(), mmc_init(), stralloc(), and strcat().

◆ strlen()

MEMSPACE size_t WEAK_ATR strlen ( const char * str )

String Length.

Parameters

[in] str string

Returns: string length

Definition at line 144 of file stringsup.c.

◆ strnalloc()

MEMSPACE char* strnalloc	(	char *	str,
		int	len
	)

Allocate space for string with maximum size.

Copies tring into allocated space limited to maximum size.

Parameters

[in]	str	user string.
[in]	len	maximum string length.

Returns: pointer to alocated string.

Definition at line 381 of file stringsup.c.

◆ strncasecmp()

MEMSPACE int WEAK_ATR strncasecmp	(	const char *	str,
		const char *	pat,
		size_t	len
	)

Compare two strings without case maximum len bytes in size.

Parameters

[in]	str	string to match.
[in]	pat	pattern to compare.
[in]	len	maximum string length for compare

Returns: 0 on match, < 0 implies str sorts before pat, > 0 implies str sorts after pat

Definition at line 352 of file stringsup.c.

Referenced by MATCHI_LEN().

◆ strncat()

MEMSPACE WEAK_ATR char* strncat	(	char *	dest,
		const char *	src,
		size_t	max
	)

Append string of at most N bytes from src.

Parameters

[in]	dest	string
[in]	src	string

Returns: string length

Definition at line 215 of file stringsup.c.

◆ strncmp()

MEMSPACE int WEAK_ATR strncmp	(	const char *	str,
		const char *	pat,
		size_t	len
	)

Compare two strings maximum len bytes in size.

Parameters

[in]	str	string to match.
[in]	pat	pattern to compare.
[in]	len	maximum string length for compare

Returns: 0 on match, < 0 implies str sorts before pat, > 0 implies str sorts after pat

Definition at line 303 of file stringsup.c.

Referenced by MATCH_LEN(), and token().

◆ strncpy()

MEMSPACE WEAK_ATR char* strncpy	(	char *	dest,
		const char *	src,
		size_t	size
	)

copy a string of at most N characters

Parameters

[in]	dest	destination string
[in]	src	source string
[in]	size	maximum destination size

Returns: destination string

Definition at line 179 of file stringsup.c.

Referenced by hpdir_find_drive(), readdir(), strerror_r(), strnalloc(), and strncat().

◆ strupper()

MEMSPACE void WEAK_ATR strupper ( char * str )

UPPERCASE a string.

Parameters

[in] str string

Returns: void

Definition at line 256 of file stringsup.c.

◆ tolower()

MEMSPACE int WEAK_ATR tolower ( int c )

Convert character to lower case, only if it is upper case.

Parameters

[in] c character.

Returns: character or lowercase value or character

Definition at line 91 of file stringsup.c.

Referenced by mkfs().

◆ toupper()

MEMSPACE int WEAK_ATR toupper ( int c )

Convert character to upper case, only if it is lower case.

Parameters

[in] c character.

Returns: character or upper case value or character

Definition at line 108 of file stringsup.c.

Referenced by strcasecmp(), strncasecmp(), and strupper().

Macros

Functions

Detailed Description

Macro Definition Documentation

◆ MEMSPACE

◆ WEAK_ATR

Function Documentation

◆ isdigit()

◆ islower()

◆ isupper()

◆ memchr()

◆ reverse()

◆ stralloc()

◆ strcasecmp()

◆ strcat()

◆ strcmp()

◆ strcpy()

◆ strlen()

◆ strnalloc()

◆ strncasecmp()

◆ strncat()

◆ strncmp()

◆ strncpy()

◆ strupper()

◆ tolower()

◆ toupper()