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-rw-r--r--src/util/argv_split.c112
1 files changed, 112 insertions, 0 deletions
diff --git a/src/util/argv_split.c b/src/util/argv_split.c
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+/*++
+/* NAME
+/* argv_split 3
+/* SUMMARY
+/* string array utilities
+/* SYNOPSIS
+/* #include <argv.h>
+/*
+/* ARGV *argv_split(string, delim)
+/* const char *string;
+/* const char *delim;
+/*
+/* ARGV *argv_split_count(string, delim, count)
+/* const char *string;
+/* const char *delim;
+/* ssize_t count;
+/*
+/* ARGV *argv_split_append(argv, string, delim)
+/* ARGV *argv;
+/* const char *string;
+/* const char *delim;
+/* DESCRIPTION
+/* argv_split() breaks up \fIstring\fR into tokens according
+/* to the delimiters specified in \fIdelim\fR. The result is
+/* a null-terminated string array.
+/*
+/* argv_split_count() is like argv_split() but stops splitting
+/* input after at most \fIcount\fR -1 times and leaves the
+/* remainder, if any, in the last array element. It is an error
+/* to specify a count < 1.
+/*
+/* argv_split_append() performs the same operation as argv_split(),
+/* but appends the result to an existing string array.
+/* SEE ALSO
+/* mystrtok(), safe string splitter.
+/* DIAGNOSTICS
+/* Fatal errors: memory allocation problem.
+/* LICENSE
+/* .ad
+/* .fi
+/* The Secure Mailer license must be distributed with this software.
+/* AUTHOR(S)
+/* Wietse Venema
+/* IBM T.J. Watson Research
+/* P.O. Box 704
+/* Yorktown Heights, NY 10598, USA
+/*--*/
+
+/* System libraries. */
+
+#include <sys_defs.h>
+#include <string.h>
+
+/* Application-specific. */
+
+#include "mymalloc.h"
+#include "stringops.h"
+#include "argv.h"
+#include "msg.h"
+
+/* argv_split - split string into token array */
+
+ARGV *argv_split(const char *string, const char *delim)
+{
+ ARGV *argvp = argv_alloc(1);
+ char *saved_string = mystrdup(string);
+ char *bp = saved_string;
+ char *arg;
+
+ while ((arg = mystrtok(&bp, delim)) != 0)
+ argv_add(argvp, arg, (char *) 0);
+ argv_terminate(argvp);
+ myfree(saved_string);
+ return (argvp);
+}
+
+/* argv_split_count - split string into token array */
+
+ARGV *argv_split_count(const char *string, const char *delim, ssize_t count)
+{
+ ARGV *argvp = argv_alloc(1);
+ char *saved_string = mystrdup(string);
+ char *bp = saved_string;
+ char *arg;
+
+ if (count < 1)
+ msg_panic("argv_split_count: bad count: %ld", (long) count);
+ while (count-- > 1 && (arg = mystrtok(&bp, delim)) != 0)
+ argv_add(argvp, arg, (char *) 0);
+ if (*bp)
+ bp += strspn(bp, delim);
+ if (*bp)
+ argv_add(argvp, bp, (char *) 0);
+ argv_terminate(argvp);
+ myfree(saved_string);
+ return (argvp);
+}
+
+/* argv_split_append - split string into token array, append to array */
+
+ARGV *argv_split_append(ARGV *argvp, const char *string, const char *delim)
+{
+ char *saved_string = mystrdup(string);
+ char *bp = saved_string;
+ char *arg;
+
+ while ((arg = mystrtok(&bp, delim)) != 0)
+ argv_add(argvp, arg, (char *) 0);
+ argv_terminate(argvp);
+ myfree(saved_string);
+ return (argvp);
+}