Cross Reference: /osnet-11/usr/src/lib/gss_mechs/mech

Lines Matching refs:buf
50 static int ensure_space(struct k5buf *buf, size_t len)
55     if (buf->buftype == BUFTYPE_ERROR)
57     if (buf->space - 1 - buf->len >= len) /* Enough room already. */
59     if (buf->buftype == BUFTYPE_FIXED) /* Can't resize a fixed buffer. */
61     assert(buf->buftype == BUFTYPE_DYNAMIC);
62     new_space = buf->space * 2;
63     while (new_space <= SPACE_MAX && new_space - buf->len - 1 < len)
67     new_data = realloc(buf->data, new_space);
70     buf->data = new_data;
71     buf->space = new_space;
75     if (buf->buftype == BUFTYPE_DYNAMIC) {
76         free(buf->data);
77         buf->data = NULL;
79     buf->buftype = BUFTYPE_ERROR;
83 void krb5int_buf_init_fixed(struct k5buf *buf, char *data, size_t space)
86     buf->buftype = BUFTYPE_FIXED;
87     buf->data = data;
88     buf->space = space;
89     buf->len = 0;
90     buf->data[0] = '\0';
93 void krb5int_buf_init_dynamic(struct k5buf *buf)
95     buf->buftype = BUFTYPE_DYNAMIC;
96     buf->space = DYNAMIC_INITIAL_SIZE;
97     buf->data = malloc(buf->space);
98     if (buf->data == NULL) {
99         buf->buftype = BUFTYPE_ERROR;
102     buf->len = 0;
103     buf->data[0] = '\0';
106 void krb5int_buf_add(struct k5buf *buf, const char *data)
108     krb5int_buf_add_len(buf, data, strlen(data));
111 void krb5int_buf_add_len(struct k5buf *buf, const char *data, size_t len)
113     if (!ensure_space(buf, len))
115     memcpy(buf->data + buf->len, data, len);
116     buf->len += len;
117     buf->data[buf->len] = '\0';
120 void krb5int_buf_add_fmt(struct k5buf *buf, const char *fmt, ...)
127     if (buf->buftype == BUFTYPE_ERROR)
129     remaining = buf->space - buf->len;
131     if (buf->buftype == BUFTYPE_FIXED) {
134         r = vsnprintf(buf->data + buf->len, remaining, fmt, ap);
137             buf->buftype = BUFTYPE_ERROR;
139             buf->len += (unsigned int) r;
144     assert(buf->buftype == BUFTYPE_DYNAMIC);
146     r = vsnprintf(buf->data + buf->len, remaining, fmt, ap);
149         buf->len += (unsigned int) r;
155         if (!ensure_space(buf, r))
157         remaining = buf->space - buf->len;
159         r = vsnprintf(buf->data + buf->len, remaining, fmt, ap);
162             buf->buftype = BUFTYPE_ERROR;
164             buf->len += (unsigned int) r;
174         buf->buftype = BUFTYPE_ERROR;
177     if (ensure_space(buf, r)) {
178         /* Copy the temporary string into buf, including terminator. */
179         memcpy(buf->data + buf->len, tmp, r + 1);
180         buf->len += r;
185 void krb5int_buf_truncate(struct k5buf *buf, size_t len)
187     if (buf->buftype == BUFTYPE_ERROR)
189     assert(len <= buf->len);
190     buf->len = len;
191     buf->data[buf->len] = '\0';
195 char *krb5int_buf_data(struct k5buf *buf)
197     return (buf->buftype == BUFTYPE_ERROR) ? NULL : buf->data;
200 ssize_t krb5int_buf_len(struct k5buf *buf)
202     return (buf->buftype == BUFTYPE_ERROR) ? -1 : (ssize_t) buf->len;
205 void krb5int_free_buf(struct k5buf *buf)
207     if (buf->buftype == BUFTYPE_ERROR)
209     assert(buf->buftype == BUFTYPE_DYNAMIC);
210     free(buf->data);
211     buf->data = NULL;
212     buf->buftype = BUFTYPE_ERROR;