ewah: support platforms that require aligned reads

diff --git a/compat/precompose_utf8.c b/compat/precompose_utf8.c
index 3190d502bb553d425bfb2b0d8a1b5df6bde98b20..95fe849e42d3b9e1f7bc9590fcfac93016f38146 100644 (file)
--- a/compat/precompose_utf8.c
+++ b/compat/precompose_utf8.c
@@ -13,20 +13,20 @@ typedef char *iconv_ibp;
 static const char *repo_encoding = "UTF-8";
 static const char *path_encoding = "UTF-8-MAC";
 
-static size_t has_utf8(const char *s, size_t maxlen, size_t *strlen_c)
+static size_t has_non_ascii(const char *s, size_t maxlen, size_t *strlen_c)
 {
-       const uint8_t *utf8p = (const uint8_t *)s;
+       const uint8_t *ptr = (const uint8_t *)s;
        size_t strlen_chars = 0;
        size_t ret = 0;
 
-       if (!utf8p || !*utf8p)
+       if (!ptr || !*ptr)
                return 0;
 
-       while (*utf8p && maxlen) {
-               if (*utf8p & 0x80)
+       while (*ptr && maxlen) {
+               if (*ptr & 0x80)
                        ret++;
                strlen_chars++;
-               utf8p++;
+               ptr++;
                maxlen--;
        }
        if (strlen_c)
@@ -48,11 +48,8 @@ void probe_utf8_pathname_composition(char *path, int len)
        if (output_fd >= 0) {
                close(output_fd);
                strcpy(path + len, auml_nfd);
-               /* Indicate to the user, that we can configure it to true */
-               if (!access(path, R_OK))
-                       git_config_set("core.precomposeunicode", "false");
-               /* To be backward compatible, set precomposed_unicode to 0 */
-               precomposed_unicode = 0;
+               precomposed_unicode = access(path, R_OK) ? 0 : 1;
+               git_config_set("core.precomposeunicode", precomposed_unicode ? "true" : "false");
                strcpy(path + len, auml_nfc);
                if (unlink(path))
                        die_errno(_("failed to unlink '%s'"), path);
@@ -77,8 +74,8 @@ void precompose_argv(int argc, const char **argv)
        while (i < argc) {
                size_t namelen;
                oldarg = argv[i];
-               if (has_utf8(oldarg, (size_t)-1, &namelen)) {
-                       newarg = reencode_string_iconv(oldarg, namelen, ic_precompose);
+               if (has_non_ascii(oldarg, (size_t)-1, &namelen)) {
+                       newarg = reencode_string_iconv(oldarg, namelen, ic_precompose, NULL);
                        if (newarg)
                                argv[i] = newarg;
                }
@@ -130,11 +127,11 @@ struct dirent_prec_psx *precompose_utf8_readdir(PREC_DIR *prec_dir)
                prec_dir->dirent_nfc->d_ino  = res->d_ino;
                prec_dir->dirent_nfc->d_type = res->d_type;
 
-               if ((precomposed_unicode == 1) && has_utf8(res->d_name, (size_t)-1, NULL)) {
+               if ((precomposed_unicode == 1) && has_non_ascii(res->d_name, (size_t)-1, NULL)) {
                        if (prec_dir->ic_precompose == (iconv_t)-1) {
                                die("iconv_open(%s,%s) failed, but needed:\n"
                                                "    precomposed unicode is not supported.\n"
-                                               "    If you wnat to use decomposed unicode, run\n"
+                                               "    If you want to use decomposed unicode, run\n"
                                                "    \"git config core.precomposeunicode false\"\n",
                                                repo_encoding, path_encoding);
                        } else {