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xz: Clean up suffix.c.

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struct suffix_pair isn't needed in compresed_name()
so get rid of it there.
This commit is contained in:
Lasse Collin 2011-02-04 22:49:31 +02:00
parent 8930c7ae3f
commit 96f94bc925
1 changed files with 20 additions and 24 deletions
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44
src/xz/suffix.c
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@ -21,12 +21,6 @@
static char *custom_suffix = NULL; static char *custom_suffix = NULL;
struct suffix_pair {
const char *compressed;
const char *uncompressed;
};
/// \brief Test if the char is a directory separator /// \brief Test if the char is a directory separator
static bool static bool
is_dir_sep(char c) is_dir_sep(char c)
@ -86,7 +80,10 @@ test_suffix(const char *suffix, const char *src_name, size_t src_len)
static char * static char *
uncompressed_name(const char *src_name, const size_t src_len) uncompressed_name(const char *src_name, const size_t src_len)
{ {
static const struct suffix_pair suffixes[] = { static const struct {
const char *compressed;
const char *uncompressed;
} suffixes[] = {
{ ".xz", "" }, { ".xz", "" },
{ ".txz", ".tar" }, // .txz abbreviation for .txt.gz is rare. { ".txz", ".tar" }, // .txz abbreviation for .txt.gz is rare.
{ ".lzma", "" }, { ".lzma", "" },
@ -145,25 +142,25 @@ static char *
compressed_name(const char *src_name, const size_t src_len) compressed_name(const char *src_name, const size_t src_len)
{ {
// The order of these must match the order in args.h. // The order of these must match the order in args.h.
static const struct suffix_pair all_suffixes[][3] = { static const char *const all_suffixes[][3] = {
{ {
{ ".xz", "" }, ".xz",
{ ".txz", ".tar" }, ".txz",
{ NULL, NULL } NULL
}, { }, {
{ ".lzma", "" }, ".lzma",
{ ".tlz", ".tar" }, ".tlz",
{ NULL, NULL } NULL
/* /*
}, { }, {
{ ".gz", "" }, ".gz",
{ ".tgz", ".tar" }, ".tgz",
{ NULL, NULL } NULL
*/ */
}, { }, {
// --format=raw requires specifying the suffix // --format=raw requires specifying the suffix
// manually or using stdout. // manually or using stdout.
{ NULL, NULL } NULL
} }
}; };
@ -171,14 +168,13 @@ compressed_name(const char *src_name, const size_t src_len)
assert(opt_format != FORMAT_AUTO); assert(opt_format != FORMAT_AUTO);
const size_t format = opt_format - 1; const size_t format = opt_format - 1;
const struct suffix_pair *const suffixes = all_suffixes[format]; const char *const *suffixes = all_suffixes[format];
for (size_t i = 0; suffixes[i].compressed != NULL; ++i) { for (size_t i = 0; suffixes[i] != NULL; ++i) {
if (test_suffix(suffixes[i].compressed, src_name, src_len) if (test_suffix(suffixes[i], src_name, src_len) != 0) {
!= 0) {
message_warning(_("%s: File already has `%s' " message_warning(_("%s: File already has `%s' "
"suffix, skipping"), src_name, "suffix, skipping"), src_name,
suffixes[i].compressed); suffixes[i]);
return NULL; return NULL;
} }
} }
@ -202,7 +198,7 @@ compressed_name(const char *src_name, const size_t src_len)
} }
const char *suffix = custom_suffix != NULL const char *suffix = custom_suffix != NULL
? custom_suffix : suffixes[0].compressed; ? custom_suffix : suffixes[0];
const size_t suffix_len = strlen(suffix); const size_t suffix_len = strlen(suffix);
char *dest_name = xmalloc(src_len + suffix_len + 1); char *dest_name = xmalloc(src_len + suffix_len + 1);