diff options
Diffstat (limited to 'libbb/strdup_substr.c')
-rw-r--r-- | libbb/strdup_substr.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/libbb/strdup_substr.c b/libbb/strdup_substr.c new file mode 100644 index 000000000..4542d5fbe --- /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; +} |