2 * Copyright (C) 2000, Matias Atria
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 static Int32 scaled_width(Int32 fix, int scale);
26 long fsgetn(FILE *p, size_t n)
34 v = (v << 8) | fgetbyte(p);
38 Ulong fugetn(FILE *p, size_t n)
44 v = (v << 8) | fgetbyte(p);
48 long msgetn(const Uchar *p, size_t n)
59 Ulong mugetn(const Uchar *p, size_t n)
61 Ulong v = (Ulong)*p++;
68 char *read_string(FILE *in, int s, char *buffer, size_t len)
73 n = fugetn(in, s ? s : 1);
74 if((str = buffer) == NULL || n + 1 > len)
76 if(fread(str, 1, n, in) != n) {
77 if(str != buffer) xfree(str);
84 size_t read_bcpl(FILE *in, char *buffer, size_t maxlen, size_t wanted)
89 if(maxlen && i > maxlen)
91 if(fread(buffer, i, 1, in) != 1)
99 char *read_alloc_bcpl(FILE *in, size_t maxlen, size_t *size)
104 i = (size_t)fuget1(in);
105 if(maxlen && i > maxlen)
107 buffer = (char *)malloc(i + 1);
110 if(fread(buffer, i, 1, in) != 1) {
119 /* stolen from dvips */
120 static Int32 scaled_width(Int32 fix, int scale)
125 return -scaled_width(-fix, scale);
127 return -scaled_width(fix, -scale);
133 return (((al*bl / 32768) + fix*bl + al*scale) / 32 +
139 void buff_free(Buffer *buf)
146 void buff_init(Buffer *buf)
153 size_t buff_add(Buffer *buf, const char *data, size_t len)
157 if(buf->length + len + 1 > buf->size) {
158 buf->size = buf->length + len + 256;
159 buf->data = xrealloc(buf->data, buf->size);
161 memcpy(buf->data + buf->length, data, len);
166 char *buff_gets(Buffer *buf, size_t *length)
172 ptr = strchr(buf->data, '\n');
175 ptr++; /* include newline */
176 len = ptr - buf->data;
177 ret = xmalloc(len + 1);
179 memcpy(ret, buf->data, len);
180 memmove(buf->data, buf->data + len, buf->length - len);
184 if(length) *length = len;