radare2/libr/util/name.c

/* radare - LGPL - Copyright 2009-2015 - pancake */

#include <r_util.h>

#define IS_PRINTABLE(x) (x>=' '&&x<='~')

R_API int r_name_validate_char(const char ch) {
	if ((ch>='a' && ch<='z') || (ch>='A' && ch<='Z') || (ch>='0' && ch<='9'))
		return R_TRUE;
	switch (ch) {
	case ':':
	case '.':
	case '_':
		return R_TRUE;
	}
	return R_FALSE;
}

R_API int r_name_check(const char *name) {
	if (!name || !*name)
		return R_FALSE;
	for (;*name!='\0'; name++)
		if (!r_name_validate_char (*name))
			return R_FALSE;
	return R_TRUE;
}

R_API int r_name_filter(char *name, int maxlen) {
	int i;
	char *oname;
	name = oname = r_str_trim_head_tail (name);
	for (i=0; *name; name++, i++) {
		if (maxlen && i>maxlen) {
			*name = '\0';
			break;
		}
		if (!r_name_validate_char (*name)) {
			*name = '_';
	//		r_str_ccpy (name, name+1, 0);
			//name--;
		}
	}
	return r_name_check (oname);
}

R_API char *r_name_filter2(const char *name) {
	int i;
	char *res;
	while (!IS_PRINTABLE (*name))
		name++;
	res = strdup (name);
	for (i=0; res[i]; i++) {
		if (!r_name_validate_char (res[i])) {
			res[i] = '_';
		}
	}
	return res;
}