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de61cebde7
* jk/common-main-2.8: mingw: declare main()'s argv as const common-main: call git_setup_gettext() common-main: call restore_sigpipe_to_default() common-main: call sanitize_stdfds() common-main: call git_extract_argv0_path() add an extra level of indirection to main()
103 lines
2.5 KiB
C
103 lines
2.5 KiB
C
#include "cache.h"
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#include "string-list.h"
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/*
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* Parse an argument into a string list. arg should either be a
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* ':'-separated list of strings, or "-" to indicate an empty string
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* list (as opposed to "", which indicates a string list containing a
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* single empty string). list->strdup_strings must be set.
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*/
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static void parse_string_list(struct string_list *list, const char *arg)
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{
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if (!strcmp(arg, "-"))
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return;
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(void)string_list_split(list, arg, ':', -1);
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}
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static void write_list(const struct string_list *list)
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{
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int i;
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for (i = 0; i < list->nr; i++)
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printf("[%d]: \"%s\"\n", i, list->items[i].string);
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}
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static void write_list_compact(const struct string_list *list)
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{
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int i;
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if (!list->nr)
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printf("-\n");
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else {
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printf("%s", list->items[0].string);
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for (i = 1; i < list->nr; i++)
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printf(":%s", list->items[i].string);
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printf("\n");
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}
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}
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static int prefix_cb(struct string_list_item *item, void *cb_data)
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{
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const char *prefix = (const char *)cb_data;
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return starts_with(item->string, prefix);
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}
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int cmd_main(int argc, const char **argv)
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{
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if (argc == 5 && !strcmp(argv[1], "split")) {
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struct string_list list = STRING_LIST_INIT_DUP;
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int i;
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const char *s = argv[2];
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int delim = *argv[3];
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int maxsplit = atoi(argv[4]);
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i = string_list_split(&list, s, delim, maxsplit);
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printf("%d\n", i);
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write_list(&list);
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string_list_clear(&list, 0);
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return 0;
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}
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if (argc == 5 && !strcmp(argv[1], "split_in_place")) {
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struct string_list list = STRING_LIST_INIT_NODUP;
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int i;
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char *s = xstrdup(argv[2]);
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int delim = *argv[3];
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int maxsplit = atoi(argv[4]);
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i = string_list_split_in_place(&list, s, delim, maxsplit);
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printf("%d\n", i);
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write_list(&list);
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string_list_clear(&list, 0);
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free(s);
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return 0;
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}
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if (argc == 4 && !strcmp(argv[1], "filter")) {
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/*
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* Retain only the items that have the specified prefix.
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* Arguments: list|- prefix
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*/
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struct string_list list = STRING_LIST_INIT_DUP;
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const char *prefix = argv[3];
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parse_string_list(&list, argv[2]);
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filter_string_list(&list, 0, prefix_cb, (void *)prefix);
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write_list_compact(&list);
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string_list_clear(&list, 0);
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return 0;
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}
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if (argc == 3 && !strcmp(argv[1], "remove_duplicates")) {
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struct string_list list = STRING_LIST_INIT_DUP;
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parse_string_list(&list, argv[2]);
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string_list_remove_duplicates(&list, 0);
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write_list_compact(&list);
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string_list_clear(&list, 0);
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return 0;
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}
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fprintf(stderr, "%s: unknown function name: %s\n", argv[0],
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argv[1] ? argv[1] : "(there was none)");
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return 1;
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}
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