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implementation from OpenBSD
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -8,3 +8,4 @@ | |
| /GETADDRINFO_A/s,^,//, | ||
| /INET_NTOP/s,^,//, | ||
| /INET_PTON/s,^,//, | ||
| /GETOPT/s,^,//, | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
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| #include <usual/getopt.h> | ||
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| #include "test_common.h" | ||
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| #include <usual/string.h> | ||
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| #include <stdarg.h> | ||
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| static const char *xgetopt(const char *opts, const struct option *lopts, ...) | ||
| { | ||
| static char resbuf[1024]; | ||
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| int i, c, argc = 1; | ||
| char *argv[100]; | ||
| va_list ap; | ||
| char *p = resbuf; | ||
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| resbuf[0] = 'X'; | ||
| resbuf[1] = 0; | ||
| argv[0] = "prog"; | ||
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| va_start(ap, lopts); | ||
| while (1) { | ||
| argv[argc] = va_arg(ap, char *); | ||
| if (!argv[argc]) | ||
| break; | ||
| argc++; | ||
| } | ||
| va_end(ap); | ||
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| opterr = 0; | ||
| optind = 0; | ||
| while (1) { | ||
| if (lopts) | ||
| c = getopt_long(argc, argv, opts, lopts, NULL); | ||
| else | ||
| c = getopt(argc, argv, opts); | ||
| if (c == -1) | ||
| break; | ||
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| switch (c) { | ||
| case '?': | ||
| return "ERR"; | ||
| case ':': | ||
| return "EARG"; | ||
| case 0: | ||
| break; | ||
| default: | ||
| if (p != resbuf) | ||
| *p++ = ','; | ||
| if (optarg) | ||
| p += sprintf(p, "%c=%s", c, optarg); | ||
| else | ||
| p += sprintf(p, "%c", c); | ||
| } | ||
| } | ||
| for (i = optind; i < argc; i++) | ||
| p += sprintf(p, "|%s", argv[i]); | ||
| return resbuf; | ||
| } | ||
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| static void test_getopt(void *_) | ||
| { | ||
| str_check(xgetopt("ab:", NULL, "-abFOO", "zzz", NULL), "a,b=FOO|zzz"); | ||
| str_check(xgetopt("ab:", NULL, "-a", "zzz", "-bFOO", NULL), "a,b=FOO|zzz"); | ||
| str_check(xgetopt("ab:", NULL, "-b", "FOO", "-", "--", "-a", NULL), "b=FOO|-|-a"); | ||
| str_check(xgetopt("ab:", NULL, "--foo", NULL), "ERR"); | ||
| end:; | ||
| } | ||
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| static void test_getopt_long(void *_) | ||
| { | ||
| static int longc; | ||
| static const char sopts[] = "ab:"; | ||
| static const struct option lopts[] = { | ||
| { "longa", no_argument, NULL, 'a'}, | ||
| { "longb", required_argument, NULL, 'b'}, | ||
| { "longc", no_argument, &longc, 'C'}, | ||
| { NULL }, | ||
| }; | ||
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| str_check(xgetopt(sopts, lopts, "--longa", "--", "--longa", NULL), "a|--longa"); | ||
| str_check(xgetopt(sopts, lopts, "--longb", "FOO", "ARG", "--longa", NULL), "b=FOO,a|ARG"); | ||
| str_check(xgetopt(sopts, lopts, "--longb=BAZ", NULL), "b=BAZ"); | ||
| str_check(xgetopt(sopts, lopts, "--longb", NULL), "ERR"); | ||
| str_check(xgetopt(sopts, lopts, "--xx", NULL), "ERR"); | ||
| str_check(xgetopt(sopts, lopts, "-", "--longc", "ARG", NULL), "|-|ARG"); | ||
| tt_assert(longc == 'C'); | ||
| end:; | ||
| } | ||
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| struct testcase_t getopt_tests[] = { | ||
| { "getopt", test_getopt }, | ||
| { "getopt_long", test_getopt_long }, | ||
| END_OF_TESTCASES | ||
| }; | ||
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