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69a63fe663
Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
323 lines
9.1 KiB
C
323 lines
9.1 KiB
C
#include "test-tool.h"
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#include "cache.h"
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#include "parse-options.h"
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#include "strbuf.h"
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#include "string-list.h"
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#include "trace2.h"
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static int boolean = 0;
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static int integer = 0;
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static unsigned long magnitude = 0;
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static timestamp_t timestamp;
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static int abbrev = 7;
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static int verbose = -1; /* unspecified */
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static int dry_run = 0, quiet = 0;
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static char *string = NULL;
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static char *file = NULL;
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static int ambiguous;
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static struct {
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int called;
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const char *arg;
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int unset;
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} length_cb;
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static int length_callback(const struct option *opt, const char *arg, int unset)
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{
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length_cb.called = 1;
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length_cb.arg = arg;
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length_cb.unset = unset;
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if (unset)
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return 1; /* do not support unset */
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*(int *)opt->value = strlen(arg);
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return 0;
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}
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static int number_callback(const struct option *opt, const char *arg, int unset)
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{
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BUG_ON_OPT_NEG(unset);
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*(int *)opt->value = strtol(arg, NULL, 10);
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return 0;
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}
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static int collect_expect(const struct option *opt, const char *arg, int unset)
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{
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struct string_list *expect;
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struct string_list_item *item;
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struct strbuf label = STRBUF_INIT;
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const char *colon;
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if (!arg || unset)
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die("malformed --expect option");
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expect = (struct string_list *)opt->value;
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colon = strchr(arg, ':');
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if (!colon)
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die("malformed --expect option, lacking a colon");
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strbuf_add(&label, arg, colon - arg);
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item = string_list_insert(expect, strbuf_detach(&label, NULL));
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if (item->util)
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die("malformed --expect option, duplicate %s", label.buf);
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item->util = (void *)arg;
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return 0;
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}
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__attribute__((format (printf,3,4)))
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static void show(struct string_list *expect, int *status, const char *fmt, ...)
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{
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struct string_list_item *item;
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struct strbuf buf = STRBUF_INIT;
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va_list args;
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va_start(args, fmt);
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strbuf_vaddf(&buf, fmt, args);
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va_end(args);
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if (!expect->nr)
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printf("%s\n", buf.buf);
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else {
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char *colon = strchr(buf.buf, ':');
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if (!colon)
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die("malformed output format, output lacking colon: %s", fmt);
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*colon = '\0';
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item = string_list_lookup(expect, buf.buf);
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*colon = ':';
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if (!item)
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; /* not among entries being checked */
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else {
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if (strcmp((const char *)item->util, buf.buf)) {
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printf("-%s\n", (char *)item->util);
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printf("+%s\n", buf.buf);
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*status = 1;
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}
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}
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}
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strbuf_release(&buf);
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}
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int cmd__parse_options(int argc, const char **argv)
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{
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const char *prefix = "prefix/";
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const char *usage[] = {
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"test-tool parse-options <options>",
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"",
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"A helper function for the parse-options API.",
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NULL
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};
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struct string_list expect = STRING_LIST_INIT_NODUP;
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struct string_list list = STRING_LIST_INIT_NODUP;
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struct option options[] = {
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OPT_BOOL(0, "yes", &boolean, "get a boolean"),
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OPT_BOOL('D', "no-doubt", &boolean, "begins with 'no-'"),
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{ OPTION_SET_INT, 'B', "no-fear", &boolean, NULL,
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"be brave", PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 },
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OPT_COUNTUP('b', "boolean", &boolean, "increment by one"),
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OPT_BIT('4', "or4", &boolean,
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"bitwise-or boolean with ...0100", 4),
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OPT_NEGBIT(0, "neg-or4", &boolean, "same as --no-or4", 4),
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OPT_GROUP(""),
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OPT_INTEGER('i', "integer", &integer, "get a integer"),
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OPT_INTEGER('j', NULL, &integer, "get a integer, too"),
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OPT_MAGNITUDE('m', "magnitude", &magnitude, "get a magnitude"),
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OPT_SET_INT(0, "set23", &integer, "set integer to 23", 23),
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OPT_CMDMODE(0, "mode1", &integer, "set integer to 1 (cmdmode option)", 1),
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OPT_CMDMODE(0, "mode2", &integer, "set integer to 2 (cmdmode option)", 2),
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OPT_CALLBACK('L', "length", &integer, "str",
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"get length of <str>", length_callback),
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OPT_FILENAME('F', "file", &file, "set file to <file>"),
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OPT_GROUP("String options"),
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OPT_STRING('s', "string", &string, "string", "get a string"),
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OPT_STRING(0, "string2", &string, "str", "get another string"),
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OPT_STRING(0, "st", &string, "st", "get another string (pervert ordering)"),
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OPT_STRING('o', NULL, &string, "str", "get another string"),
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OPT_NOOP_NOARG(0, "obsolete"),
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OPT_STRING_LIST(0, "list", &list, "str", "add str to list"),
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OPT_GROUP("Magic arguments"),
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OPT_NUMBER_CALLBACK(&integer, "set integer to NUM",
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number_callback),
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{ OPTION_COUNTUP, '+', NULL, &boolean, NULL, "same as -b",
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PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH },
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{ OPTION_COUNTUP, 0, "ambiguous", &ambiguous, NULL,
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"positive ambiguity", PARSE_OPT_NOARG | PARSE_OPT_NONEG },
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{ OPTION_COUNTUP, 0, "no-ambiguous", &ambiguous, NULL,
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"negative ambiguity", PARSE_OPT_NOARG | PARSE_OPT_NONEG },
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OPT_GROUP("Standard options"),
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OPT__ABBREV(&abbrev),
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OPT__VERBOSE(&verbose, "be verbose"),
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OPT__DRY_RUN(&dry_run, "dry run"),
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OPT__QUIET(&quiet, "be quiet"),
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OPT_CALLBACK(0, "expect", &expect, "string",
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"expected output in the variable dump",
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collect_expect),
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OPT_GROUP("Alias"),
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OPT_STRING('A', "alias-source", &string, "string", "get a string"),
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OPT_ALIAS('Z', "alias-target", "alias-source"),
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OPT_END(),
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};
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int i;
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int ret = 0;
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trace2_cmd_name("_parse_");
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argc = parse_options(argc, (const char **)argv, prefix, options, usage, 0);
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if (length_cb.called) {
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const char *arg = length_cb.arg;
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int unset = length_cb.unset;
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show(&expect, &ret, "Callback: \"%s\", %d",
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(arg ? arg : "not set"), unset);
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}
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show(&expect, &ret, "boolean: %d", boolean);
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show(&expect, &ret, "integer: %d", integer);
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show(&expect, &ret, "magnitude: %lu", magnitude);
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show(&expect, &ret, "timestamp: %"PRItime, timestamp);
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show(&expect, &ret, "string: %s", string ? string : "(not set)");
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show(&expect, &ret, "abbrev: %d", abbrev);
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show(&expect, &ret, "verbose: %d", verbose);
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show(&expect, &ret, "quiet: %d", quiet);
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show(&expect, &ret, "dry run: %s", dry_run ? "yes" : "no");
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show(&expect, &ret, "file: %s", file ? file : "(not set)");
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for (i = 0; i < list.nr; i++)
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show(&expect, &ret, "list: %s", list.items[i].string);
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for (i = 0; i < argc; i++)
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show(&expect, &ret, "arg %02d: %s", i, argv[i]);
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expect.strdup_strings = 1;
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string_list_clear(&expect, 0);
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string_list_clear(&list, 0);
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return ret;
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}
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static void print_args(int argc, const char **argv)
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{
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int i;
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for (i = 0; i < argc; i++)
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printf("arg %02d: %s\n", i, argv[i]);
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}
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static int parse_options_flags__cmd(int argc, const char **argv,
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enum parse_opt_flags test_flags)
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{
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const char *usage[] = {
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"<...> cmd [options]",
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NULL
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};
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int opt = 0;
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const struct option options[] = {
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OPT_INTEGER('o', "opt", &opt, "an integer option"),
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OPT_END()
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};
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argc = parse_options(argc, argv, NULL, options, usage, test_flags);
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printf("opt: %d\n", opt);
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print_args(argc, argv);
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return 0;
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}
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static enum parse_opt_flags test_flags = 0;
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static const struct option test_flag_options[] = {
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OPT_GROUP("flag-options:"),
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OPT_BIT(0, "keep-dashdash", &test_flags,
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"pass PARSE_OPT_KEEP_DASHDASH to parse_options()",
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PARSE_OPT_KEEP_DASHDASH),
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OPT_BIT(0, "stop-at-non-option", &test_flags,
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"pass PARSE_OPT_STOP_AT_NON_OPTION to parse_options()",
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PARSE_OPT_STOP_AT_NON_OPTION),
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OPT_BIT(0, "keep-argv0", &test_flags,
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"pass PARSE_OPT_KEEP_ARGV0 to parse_options()",
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PARSE_OPT_KEEP_ARGV0),
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OPT_BIT(0, "keep-unknown-opt", &test_flags,
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"pass PARSE_OPT_KEEP_UNKNOWN_OPT to parse_options()",
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PARSE_OPT_KEEP_UNKNOWN_OPT),
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OPT_BIT(0, "no-internal-help", &test_flags,
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"pass PARSE_OPT_NO_INTERNAL_HELP to parse_options()",
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PARSE_OPT_NO_INTERNAL_HELP),
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OPT_BIT(0, "subcommand-optional", &test_flags,
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"pass PARSE_OPT_SUBCOMMAND_OPTIONAL to parse_options()",
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PARSE_OPT_SUBCOMMAND_OPTIONAL),
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OPT_END()
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};
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int cmd__parse_options_flags(int argc, const char **argv)
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{
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const char *usage[] = {
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"test-tool parse-options-flags [flag-options] cmd [options]",
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NULL
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};
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argc = parse_options(argc, argv, NULL, test_flag_options, usage,
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PARSE_OPT_STOP_AT_NON_OPTION);
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if (!argc || strcmp(argv[0], "cmd")) {
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error("'cmd' is mandatory");
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usage_with_options(usage, test_flag_options);
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}
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return parse_options_flags__cmd(argc, argv, test_flags);
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}
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static int subcmd_one(int argc, const char **argv, const char *prefix)
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{
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printf("fn: subcmd_one\n");
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print_args(argc, argv);
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return 0;
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}
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static int subcmd_two(int argc, const char **argv, const char *prefix)
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{
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printf("fn: subcmd_two\n");
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print_args(argc, argv);
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return 0;
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}
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static int parse_subcommand__cmd(int argc, const char **argv,
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enum parse_opt_flags test_flags)
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{
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const char *usage[] = {
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"<...> cmd subcmd-one",
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"<...> cmd subcmd-two",
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NULL
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};
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parse_opt_subcommand_fn *fn = NULL;
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int opt = 0;
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struct option options[] = {
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OPT_SUBCOMMAND("subcmd-one", &fn, subcmd_one),
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OPT_SUBCOMMAND("subcmd-two", &fn, subcmd_two),
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OPT_INTEGER('o', "opt", &opt, "an integer option"),
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OPT_END()
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};
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if (test_flags & PARSE_OPT_SUBCOMMAND_OPTIONAL)
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fn = subcmd_one;
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argc = parse_options(argc, argv, NULL, options, usage, test_flags);
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printf("opt: %d\n", opt);
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return fn(argc, argv, NULL);
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}
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int cmd__parse_subcommand(int argc, const char **argv)
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{
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const char *usage[] = {
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"test-tool parse-subcommand [flag-options] cmd <subcommand>",
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NULL
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};
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argc = parse_options(argc, argv, NULL, test_flag_options, usage,
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PARSE_OPT_STOP_AT_NON_OPTION);
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if (!argc || strcmp(argv[0], "cmd")) {
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error("'cmd' is mandatory");
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usage_with_options(usage, test_flag_options);
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}
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return parse_subcommand__cmd(argc, argv, test_flags);
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}
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