parse-options: add OPT_STRING_LIST helper
This just adds repeated invocations of an option to a list of strings. Using the "--no-<var>" form will reset the list to empty. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano

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f77bccaeba
commit
c8ba163916
@ -1,5 +1,6 @@
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#include "cache.h"
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#include "parse-options.h"
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#include "string-list.h"
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static int boolean = 0;
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static int integer = 0;
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@ -9,6 +10,7 @@ static int verbose = 0, 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 string_list list;
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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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@ -54,6 +56,7 @@ int main(int argc, const char **argv)
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OPT_STRING('o', NULL, &string, "str", "get another string"),
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OPT_SET_PTR(0, "default-string", &string,
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"set string to default", (unsigned long)"default"),
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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_ARGUMENT("quux", "means --quux"),
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OPT_NUMBER_CALLBACK(&integer, "set integer to NUM",
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@ -85,6 +88,9 @@ int main(int argc, const char **argv)
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printf("dry run: %s\n", dry_run ? "yes" : "no");
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printf("file: %s\n", file ? file : "(not set)");
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for (i = 0; i < list.nr; i++)
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printf("list: %s\n", list.items[i].string);
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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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