radare2/libr/util/name.c

65 lines
1.3 KiB
C

/* radare - LGPL - Copyright 2009-2015 - pancake */
#include <r_util.h>
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;
/* Cannot start by number */
if (*name >= '0' && *name <= '9')
return R_FALSE;
/* Cannot contain non-alphanumeric chars + [:._] */
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;
if (!name) return 0;
if (maxlen < 0) {
maxlen = strlen (name);
}
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;
}