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authorTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
commitd6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch)
treeece253b876159b39c620e62b6c9b1174642e070e /gnu/libexec/uucp/libuucp/getlin.c
initial import of NetBSD tree
Diffstat (limited to 'gnu/libexec/uucp/libuucp/getlin.c')
-rw-r--r--gnu/libexec/uucp/libuucp/getlin.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/gnu/libexec/uucp/libuucp/getlin.c b/gnu/libexec/uucp/libuucp/getlin.c
new file mode 100644
index 00000000000..822bc1c851c
--- /dev/null
+++ b/gnu/libexec/uucp/libuucp/getlin.c
@@ -0,0 +1,81 @@
+/* getlin.c
+ Replacement for getline.
+
+ Copyright (C) 1992 Ian Lance Taylor
+
+ This file is part of Taylor UUCP.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License
+ as published by the Free Software Foundation; either version 2 of
+ the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+ The author of the program may be contacted at ian@airs.com or
+ c/o Cygnus Support, 48 Grove Street, Somerville, MA 02144.
+ */
+
+#include "uucp.h"
+
+/* Read a line from a file, returning the number of characters read.
+ This should really return ssize_t. Returns -1 on error. */
+
+#define CGETLINE_DEFAULT (63)
+
+int
+getline (pzline, pcline, e)
+ char **pzline;
+ size_t *pcline;
+ FILE *e;
+{
+ char *zput, *zend;
+ int bchar;
+
+ if (*pzline == NULL)
+ {
+ *pzline = (char *) malloc (CGETLINE_DEFAULT);
+ if (*pzline == NULL)
+ return -1;
+ *pcline = CGETLINE_DEFAULT;
+ }
+
+ zput = *pzline;
+ zend = *pzline + *pcline - 1;
+
+ while ((bchar = getc (e)) != EOF)
+ {
+ if (zput >= zend)
+ {
+ size_t cnew;
+ char *znew;
+
+ cnew = *pcline * 2 + 1;
+ znew = (char *) realloc ((pointer) *pzline, cnew);
+ if (znew == NULL)
+ return -1;
+ zput = znew + *pcline - 1;
+ zend = znew + cnew - 1;
+ *pzline = znew;
+ *pcline = cnew;
+ }
+
+ *zput++ = bchar;
+
+ if (bchar == '\n')
+ break;
+ }
+
+ if (zput == *pzline)
+ return -1;
+
+ *zput = '\0';
+ return zput - *pzline;
+}