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authorMatt Kraai2001-06-21 19:41:37 +0000
committerMatt Kraai2001-06-21 19:41:37 +0000
commitceeff7381929930fe8d7e33543e285d5fdcf1c68 (patch)
tree3cdbaddffecc92649215fdc71a43b4e8e86b7ea3 /libbb/strdup_substr.c
parent091781e20eb055ac286b5a617d53a50c7d6c451e (diff)
downloadbusybox-ceeff7381929930fe8d7e33543e285d5fdcf1c68.zip
busybox-ceeff7381929930fe8d7e33543e285d5fdcf1c68.tar.gz
Rewrote mkdir (and touched lots of things in the process).
Diffstat (limited to 'libbb/strdup_substr.c')
-rw-r--r--libbb/strdup_substr.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/libbb/strdup_substr.c b/libbb/strdup_substr.c
new file mode 100644
index 0000000..4542d5f
--- /dev/null
+++ b/libbb/strdup_substr.c
@@ -0,0 +1,32 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini strdup_substr function.
+ *
+ * Copyright (C) 2001 Mark Whitley.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/* Return a substring of STR, starting at index START and ending at END,
+ * allocated on the heap. */
+
+char *strdup_substr(const char *str, int start, int end)
+{
+ int size = end - start + 1;
+ char *newstr = xmalloc(size);
+ memcpy(newstr, str+start, size-1);
+ newstr[size-1] = '\0';
+ return newstr;
+}