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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:18:56 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:18:56 +0000 |
commit | b7c15c31519dc44c1f691e0466badd556ffe9423 (patch) | |
tree | f944572f288bab482a615e09af627d9a2b6727d8 /src/util/argv_split_at.c | |
parent | Initial commit. (diff) | |
download | postfix-b7c15c31519dc44c1f691e0466badd556ffe9423.tar.xz postfix-b7c15c31519dc44c1f691e0466badd556ffe9423.zip |
Adding upstream version 3.7.10.upstream/3.7.10
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/util/argv_split_at.c')
-rw-r--r-- | src/util/argv_split_at.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/util/argv_split_at.c b/src/util/argv_split_at.c new file mode 100644 index 0000000..fcdb4ff --- /dev/null +++ b/src/util/argv_split_at.c @@ -0,0 +1,124 @@ +/*++ +/* NAME +/* argv_split_at 3 +/* SUMMARY +/* string array utilities +/* SYNOPSIS +/* #include <argv.h> +/* +/* ARGV *argv_split_at(string, sep) +/* const char *string; +/* int sep; +/* +/* ARGV *argv_split_at_count(string, sep, count) +/* const char *string; +/* int sep; +/* ssize_t count; +/* +/* ARGV *argv_split_at_append(argv, string, sep) +/* ARGV *argv; +/* const char *string; +/* int sep; +/* DESCRIPTION +/* argv_split_at() splits \fIstring\fR into fields using a +/* single separator specified in \fIsep\fR. The result is a +/* null-terminated string array. +/* +/* argv_split_at_count() is like argv_split_at() 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_at_append() performs the same operation as +/* argv_split_at(), but appends the result to an existing +/* string array. +/* SEE ALSO +/* split_at(), trivial 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 +/* +/* Wietse Venema +/* Google, Inc. +/* 111 8th Avenue +/* New York, NY 10011, USA +/*--*/ + +/* System libraries. */ + +#include <sys_defs.h> +#include <string.h> + +/* Application-specific. */ + +#include <mymalloc.h> +#include <stringops.h> +#include <argv.h> +#include <msg.h> +#include <split_at.h> + +/* argv_split_at - split string into field array */ + +ARGV *argv_split_at(const char *string, int sep) +{ + ARGV *argvp = argv_alloc(1); + char *saved_string = mystrdup(string); + char *bp = saved_string; + char *arg; + + while ((arg = split_at(bp, sep)) != 0) { + argv_add(argvp, bp, (char *) 0); + bp = arg; + } + argv_add(argvp, bp, (char *) 0); + argv_terminate(argvp); + myfree(saved_string); + return (argvp); +} + +/* argv_split_at_count - split string into field array */ + +ARGV *argv_split_at_count(const char *string, int sep, 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_at_count: bad count: %ld", (long) count); + while (count-- > 1 && (arg = split_at(bp, sep)) != 0) { + argv_add(argvp, bp, (char *) 0); + bp = arg; + } + argv_add(argvp, bp, (char *) 0); + argv_terminate(argvp); + myfree(saved_string); + return (argvp); +} + +/* argv_split_at_append - split string into field array, append to array */ + +ARGV *argv_split_at_append(ARGV *argvp, const char *string, int sep) +{ + char *saved_string = mystrdup(string); + char *bp = saved_string; + char *arg; + + while ((arg = split_at(bp, sep)) != 0) { + argv_add(argvp, bp, (char *) 0); + bp = arg; + } + argv_add(argvp, bp, (char *) 0); + argv_terminate(argvp); + myfree(saved_string); + return (argvp); +} |