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authorJ.T. Conklin <jtc@FreeBSD.org>1993-08-05 18:28:27 +0000
committerJ.T. Conklin <jtc@FreeBSD.org>1993-08-05 18:28:27 +0000
commita5ebd84e62c76a7ed0d157016ca3745583181a8e (patch)
tree64cb2831b24d3f5002a9a9ec1426e82c6d6bb5d4 /gnu/libexec/uucp/libuuconf/split.c
parent4ff3cd9d3ddeda602fd8b7717b2a6e4445852c69 (diff)
Notes
Diffstat (limited to 'gnu/libexec/uucp/libuuconf/split.c')
-rw-r--r--gnu/libexec/uucp/libuuconf/split.c106
1 files changed, 106 insertions, 0 deletions
diff --git a/gnu/libexec/uucp/libuuconf/split.c b/gnu/libexec/uucp/libuuconf/split.c
new file mode 100644
index 000000000000..76cc5e8d3607
--- /dev/null
+++ b/gnu/libexec/uucp/libuuconf/split.c
@@ -0,0 +1,106 @@
+/* split.c
+ Split a string into tokens.
+
+ Copyright (C) 1992 Ian Lance Taylor
+
+ This file is part of the Taylor UUCP uuconf library.
+
+ 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+ The author of the program may be contacted at ian@airs.com or
+ c/o Infinity Development Systems, P.O. Box 520, Waltham, MA 02254.
+ */
+
+#include "uucnfi.h"
+
+#if USE_RCS_ID
+const char _uuconf_split_rcsid[] = "$Id: split.c,v 1.1 1993/08/04 19:35:02 jtc Exp $";
+#endif
+
+#include <ctype.h>
+
+/* Split a string into tokens. The bsep argument is the separator to
+ use. If it is the null byte, white space is used as the separator,
+ and leading white space is discarded. Otherwise, each occurrence
+ of the separator character delimits a field (and thus some fields
+ may be empty). The array and size arguments may be used to reuse
+ the same memory. This function is not tied to uuconf; the only way
+ it can fail is if malloc or realloc fails. */
+
+int
+_uuconf_istrsplit (zline, bsep, ppzsplit, pcsplit)
+ register char *zline;
+ int bsep;
+ char ***ppzsplit;
+ size_t *pcsplit;
+{
+ size_t i;
+
+ i = 0;
+
+ while (TRUE)
+ {
+ if (bsep == '\0')
+ {
+ while (isspace (BUCHAR (*zline)))
+ ++zline;
+ if (*zline == '\0')
+ break;
+ }
+
+ if (i >= *pcsplit)
+ {
+ char **pznew;
+ size_t cnew;
+
+ if (*pcsplit == 0)
+ {
+ cnew = 8;
+ pznew = (char **) malloc (cnew * sizeof (char *));
+ }
+ else
+ {
+ cnew = *pcsplit * 2;
+ pznew = (char **) realloc ((pointer) *ppzsplit,
+ cnew * sizeof (char *));
+ }
+ if (pznew == NULL)
+ return -1;
+ *ppzsplit = pznew;
+ *pcsplit = cnew;
+ }
+
+ (*ppzsplit)[i] = zline;
+ ++i;
+
+ if (bsep == '\0')
+ {
+ while (*zline != '\0' && ! isspace (BUCHAR (*zline)))
+ ++zline;
+ }
+ else
+ {
+ while (*zline != '\0' && *zline != bsep)
+ ++zline;
+ }
+
+ if (*zline == '\0')
+ break;
+
+ *zline++ = '\0';
+ }
+
+ return i;
+}