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5bb1cda5f7
As Fredrik points out the current interface of has_extension() is potentially confusing. Its parameters include both a nul-terminated string and a length-limited string. This patch drops the length argument, requiring two nul-terminated strings; all callsites are updated. I checked that all of them indeed provide nul-terminated strings. Filenames need to be nul-terminated anyway if they are to be passed to open() etc. The performance penalty of the additional strlen() is negligible compared to the system calls which inevitably surround has_extension() calls. Additionally, change has_extension() to use size_t inside instead of int, as that is the exact type strlen() returns and memcmp() expects. Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx> Signed-off-by: Junio C Hamano <junkio@cox.net>
79 lines
1.6 KiB
C
79 lines
1.6 KiB
C
#include "cache.h"
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#include "pack.h"
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static int verify_one_pack(const char *path, int verbose)
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{
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char arg[PATH_MAX];
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int len;
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struct packed_git *pack;
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int err;
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len = strlcpy(arg, path, PATH_MAX);
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if (len >= PATH_MAX)
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return error("name too long: %s", path);
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/*
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* In addition to "foo.idx" we accept "foo.pack" and "foo";
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* normalize these forms to "foo.idx" for add_packed_git().
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*/
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if (has_extension(arg, ".pack")) {
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strcpy(arg + len - 5, ".idx");
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len--;
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} else if (!has_extension(arg, ".idx")) {
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if (len + 4 >= PATH_MAX)
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return error("name too long: %s.idx", arg);
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strcpy(arg + len, ".idx");
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len += 4;
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}
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/*
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* add_packed_git() uses our buffer (containing "foo.idx") to
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* build the pack filename ("foo.pack"). Make sure it fits.
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*/
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if (len + 1 >= PATH_MAX) {
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arg[len - 4] = '\0';
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return error("name too long: %s.pack", arg);
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}
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pack = add_packed_git(arg, len, 1);
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if (!pack)
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return error("packfile %s not found.", arg);
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err = verify_pack(pack, verbose);
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free(pack);
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return err;
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}
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static const char verify_pack_usage[] = "git-verify-pack [-v] <pack>...";
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int main(int ac, char **av)
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{
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int err = 0;
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int verbose = 0;
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int no_more_options = 0;
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int nothing_done = 1;
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while (1 < ac) {
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if (!no_more_options && av[1][0] == '-') {
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if (!strcmp("-v", av[1]))
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verbose = 1;
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else if (!strcmp("--", av[1]))
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no_more_options = 1;
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else
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usage(verify_pack_usage);
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}
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else {
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if (verify_one_pack(av[1], verbose))
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err = 1;
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nothing_done = 0;
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}
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ac--; av++;
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}
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if (nothing_done)
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usage(verify_pack_usage);
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return err;
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}
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