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Add a way to create an empty arguments set.

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This commit is contained in:
nicm
2021-08-20 17:53:54 +00:00
parent e463e8622d
commit 6cbc83c6a6
3 changed files with 15 additions and 4 deletions
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14
arguments.c
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@ -64,6 +64,17 @@ args_find(struct args *args, u_char flag)
return (RB_FIND(args_tree, &args->tree, &entry));
}
/* Create an empty arguments set. */
struct args *
args_create(void)
{
struct args *args;
args = xcalloc(1, sizeof *args);
RB_INIT(&args->tree);
return (args);
}
/* Parse an argv and argc into a new argument set. */
struct args *
args_parse(const char *template, int argc, char **argv)
@ -71,12 +82,11 @@ args_parse(const char *template, int argc, char **argv)
struct args *args;
int opt;
args = xcalloc(1, sizeof *args);
optreset = 1;
optind = 1;
optarg = NULL;
args = args_create();
while ((opt = getopt(argc, argv, template)) != -1) {
if (opt < 0)
continue;