dest[n - 1] = 0;
}
}
+
+/* Copies SRC to DST, truncating DST to N-1 characters if
+ necessary. Always appends a null character. */
+void
+st_trim_copy (char *dst, const char *src, size_t n)
+{
+ size_t len = strlen (src);
+ assert (n > 0);
+ if (len + 1 < n)
+ memcpy (dst, src, len + 1);
+ else
+ {
+ memcpy (dst, src, n - 1);
+ dst[n - 1] = '\0';
+ }
+}
+
+
+/* Converts each character in S to uppercase. */
+void
+st_uppercase (char *s)
+{
+ for (; *s != '\0'; s++)
+ *s = toupper ((unsigned char) *s);
+}
\f
/* Initializes ST with initial contents S. */
void
/* Creates a new lengthed string LS with contents as a copy of
S. */
void
-ls_create (struct len_string *ls, const char *s)
+ls_create (struct fixed_string *ls, const char *s)
{
ls->length = strlen (s);
ls->string = xmalloc (ls->length + 1);
/* Creates a new lengthed string LS with contents as a copy of
BUFFER with length LEN. */
void
-ls_create_buffer (struct len_string *ls,
+ls_create_buffer (struct fixed_string *ls,
const char *buffer, size_t len)
{
ls->length = len;
/* Sets the fields of LS to the specified values. */
void
-ls_init (struct len_string *ls, const char *string, size_t length)
+ls_init (struct fixed_string *ls, const char *string, size_t length)
{
ls->string = (char *) string;
ls->length = length;
/* Copies the fields of SRC to DST. */
void
-ls_shallow_copy (struct len_string *dst, const struct len_string *src)
+ls_shallow_copy (struct fixed_string *dst, const struct fixed_string *src)
{
*dst = *src;
}
/* Frees the memory backing LS. */
void
-ls_destroy (struct len_string *ls)
+ls_destroy (struct fixed_string *ls)
{
free (ls->string);
}
/* Sets LS to a null pointer value. */
void
-ls_null (struct len_string *ls)
+ls_null (struct fixed_string *ls)
{
ls->string = NULL;
}
/* Returns nonzero only if LS has a null pointer value. */
int
-ls_null_p (const struct len_string *ls)
+ls_null_p (const struct fixed_string *ls)
{
return ls->string == NULL;
}
/* Returns nonzero only if LS is a null pointer or has length 0. */
int
-ls_empty_p (const struct len_string *ls)
+ls_empty_p (const struct fixed_string *ls)
{
return ls->string == NULL || ls->length == 0;
}
/* Returns the length of LS, which must not be null. */
size_t
-ls_length (const struct len_string *ls)
+ls_length (const struct fixed_string *ls)
{
return ls->length;
}
/* Returns a pointer to the character string in LS. */
char *
-ls_c_str (const struct len_string *ls)
+ls_c_str (const struct fixed_string *ls)
{
return (char *) ls->string;
}
/* Returns a pointer to the null terminator of the character string in
LS. */
char *
-ls_end (const struct len_string *ls)
+ls_end (const struct fixed_string *ls)
{
return (char *) (ls->string + ls->length);
}