1 /* $NetBSD: split_at.c,v 1.1.1.1 2009/06/23 10:09:01 tron Exp $ */ 2 3 /*++ 4 /* NAME 5 /* split_at 3 6 /* SUMMARY 7 /* trivial token splitter 8 /* SYNOPSIS 9 /* #include <split_at.h> 10 /* 11 /* char *split_at(string, delimiter) 12 /* char *string; 13 /* int delimiter 14 /* 15 /* char *split_at_right(string, delimiter) 16 /* char *string; 17 /* int delimiter 18 /* DESCRIPTION 19 /* split_at() null-terminates the \fIstring\fR at the first 20 /* occurrence of the \fIdelimiter\fR character found, and 21 /* returns a pointer to the remainder. 22 /* 23 /* split_at_right() looks for the rightmost delimiter 24 /* occurrence, but is otherwise identical to split_at(). 25 /* DIAGNOSTICS 26 /* The result is a null pointer when the delimiter character 27 /* was not found. 28 /* HISTORY 29 /* .ad 30 /* .fi 31 /* A split_at() routine appears in the TCP Wrapper software 32 /* by Wietse Venema. 33 /* LICENSE 34 /* .ad 35 /* .fi 36 /* The Secure Mailer license must be distributed with this software. 37 /* AUTHOR(S) 38 /* Wietse Venema 39 /* IBM T.J. Watson Research 40 /* P.O. Box 704 41 /* Yorktown Heights, NY 10598, USA 42 /*--*/ 43 44 /* System libraries */ 45 46 #include <sys_defs.h> 47 #include <string.h> 48 49 /* Utility library. */ 50 51 #include "split_at.h" 52 53 /* split_at - break string at first delimiter, return remainder */ 54 55 char *split_at(char *string, int delimiter) 56 { 57 char *cp; 58 59 if ((cp = strchr(string, delimiter)) != 0) 60 *cp++ = 0; 61 return (cp); 62 } 63 64 /* split_at_right - break string at last delimiter, return remainder */ 65 66 char *split_at_right(char *string, int delimiter) 67 { 68 char *cp; 69 70 if ((cp = strrchr(string, delimiter)) != 0) 71 *cp++ = 0; 72 return (cp); 73 } 74