string Directory Reference

lib/string: Low-level string manipulation.

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Files
	compat_ctype.c
	Locale-independent character-type inspection (backend)
	compat_ctype.h
	Locale-independent character-type inspection (header)
	compat_string.c
	Useful string-processing functions that some platforms don't provide.
	compat_string.h
	Header for compat_string.c.
	parse_int.c
	Convert strings into the integers they encode, with bounds checking.
	parse_int.h
	Header for parse_int.c.
	printf.c
	Compatibility wrappers around snprintf and its friends.
	printf.h
	Header for printf.c.
	scanf.c
	Locale-independent minimal implementation of sscanf().
	scanf.h
	Header for scanf.c.
	util_string.c
	Non-standard string functions used throughout Tor.
	util_string.h
	Header for util_string.c.

Detailed Description

lib/string: Low-level string manipulation.

We have a number of compatibility functions here: some are for handling functionality that is not implemented (or not implemented the same) on every platform; some are for providing locale-independent versions of libc functions that would otherwise be defined differently for different users.

Other functions here are for common string-manipulation operations that we do in the rest of the codebase.

Any string function high-level enough to need logging belongs in a higher-level module.