macOS vout: fix forgotten ';'
[vlc.git] / compat / getdelim.c
blob1f88372386f9e78128bbc43b2c3b96ff23ea0b95
1 /*****************************************************************************
2 * getdelim.c: POSIX getdelim() and getline() replacements
3 *****************************************************************************
4 * Copyright © 2010 Rémi Denis-Courmont
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU Lesser General Public License as published by
8 * the Free Software Foundation; either version 2.1 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public License
17 * along with this program; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
19 *****************************************************************************/
21 #ifdef HAVE_CONFIG_H
22 # include <config.h>
23 #endif
25 #include <stdio.h>
26 #include <stdlib.h>
28 ssize_t getdelim (char **restrict lineptr, size_t *restrict n,
29 int delimiter, FILE *restrict stream)
31 char *ptr = *lineptr;
32 size_t size = (ptr != NULL) ? *n : 0;
33 size_t len = 0;
35 for (;;)
37 if ((size - len) <= 2)
39 size = size ? (size * 2) : 256;
40 ptr = realloc (*lineptr, size);
41 if (ptr == NULL)
42 return -1;
43 *lineptr = ptr;
44 *n = size;
47 int c = fgetc (stream);
48 if (c == -1)
50 if (len == 0 || ferror (stream))
51 return -1;
52 break; /* EOF */
54 ptr[len++] = c;
55 if (c == delimiter)
56 break;
59 ptr[len] = '\0';
60 return len;
63 ssize_t getline (char **restrict lineptr, size_t *restrict n,
64 FILE *restrict stream)
66 return getdelim (lineptr, n, '\n', stream);