about summary refs log tree commit diff
path: root/third_party/git/compat/precompose_utf8.c
diff options
context:
space:
mode:
Diffstat (limited to 'third_party/git/compat/precompose_utf8.c')
-rw-r--r--third_party/git/compat/precompose_utf8.c184
1 files changed, 0 insertions, 184 deletions
diff --git a/third_party/git/compat/precompose_utf8.c b/third_party/git/compat/precompose_utf8.c
deleted file mode 100644
index 136250fbf6c4..000000000000
--- a/third_party/git/compat/precompose_utf8.c
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
- * Converts filenames from decomposed unicode into precomposed unicode.
- * Used on MacOS X.
- */
-
-#define PRECOMPOSE_UNICODE_C
-
-#include "cache.h"
-#include "config.h"
-#include "utf8.h"
-#include "precompose_utf8.h"
-
-typedef char *iconv_ibp;
-static const char *repo_encoding = "UTF-8";
-static const char *path_encoding = "UTF-8-MAC";
-
-static size_t has_non_ascii(const char *s, size_t maxlen, size_t *strlen_c)
-{
-	const uint8_t *ptr = (const uint8_t *)s;
-	size_t strlen_chars = 0;
-	size_t ret = 0;
-
-	if (!ptr || !*ptr)
-		return 0;
-
-	while (*ptr && maxlen) {
-		if (*ptr & 0x80)
-			ret++;
-		strlen_chars++;
-		ptr++;
-		maxlen--;
-	}
-	if (strlen_c)
-		*strlen_c = strlen_chars;
-
-	return ret;
-}
-
-
-void probe_utf8_pathname_composition(void)
-{
-	struct strbuf path = STRBUF_INIT;
-	static const char *auml_nfc = "\xc3\xa4";
-	static const char *auml_nfd = "\x61\xcc\x88";
-	int output_fd;
-	if (precomposed_unicode != -1)
-		return; /* We found it defined in the global config, respect it */
-	git_path_buf(&path, "%s", auml_nfc);
-	output_fd = open(path.buf, O_CREAT|O_EXCL|O_RDWR, 0600);
-	if (output_fd >= 0) {
-		close(output_fd);
-		git_path_buf(&path, "%s", auml_nfd);
-		precomposed_unicode = access(path.buf, R_OK) ? 0 : 1;
-		git_config_set("core.precomposeunicode",
-			       precomposed_unicode ? "true" : "false");
-		git_path_buf(&path, "%s", auml_nfc);
-		if (unlink(path.buf))
-			die_errno(_("failed to unlink '%s'"), path.buf);
-	}
-	strbuf_release(&path);
-}
-
-
-void precompose_argv(int argc, const char **argv)
-{
-	int i = 0;
-	const char *oldarg;
-	char *newarg;
-	iconv_t ic_precompose;
-
-	if (precomposed_unicode != 1)
-		return;
-
-	ic_precompose = iconv_open(repo_encoding, path_encoding);
-	if (ic_precompose == (iconv_t) -1)
-		return;
-
-	while (i < argc) {
-		size_t namelen;
-		oldarg = argv[i];
-		if (has_non_ascii(oldarg, (size_t)-1, &namelen)) {
-			newarg = reencode_string_iconv(oldarg, namelen, ic_precompose, 0, NULL);
-			if (newarg)
-				argv[i] = newarg;
-		}
-		i++;
-	}
-	iconv_close(ic_precompose);
-}
-
-
-PREC_DIR *precompose_utf8_opendir(const char *dirname)
-{
-	PREC_DIR *prec_dir = xmalloc(sizeof(PREC_DIR));
-	prec_dir->dirent_nfc = xmalloc(sizeof(dirent_prec_psx));
-	prec_dir->dirent_nfc->max_name_len = sizeof(prec_dir->dirent_nfc->d_name);
-
-	prec_dir->dirp = opendir(dirname);
-	if (!prec_dir->dirp) {
-		free(prec_dir->dirent_nfc);
-		free(prec_dir);
-		return NULL;
-	} else {
-		int ret_errno = errno;
-		prec_dir->ic_precompose = iconv_open(repo_encoding, path_encoding);
-		/* if iconv_open() fails, die() in readdir() if needed */
-		errno = ret_errno;
-	}
-
-	return prec_dir;
-}
-
-struct dirent_prec_psx *precompose_utf8_readdir(PREC_DIR *prec_dir)
-{
-	struct dirent *res;
-	res = readdir(prec_dir->dirp);
-	if (res) {
-		size_t namelenz = strlen(res->d_name) + 1; /* \0 */
-		size_t new_maxlen = namelenz;
-
-		int ret_errno = errno;
-
-		if (new_maxlen > prec_dir->dirent_nfc->max_name_len) {
-			size_t new_len = sizeof(dirent_prec_psx) + new_maxlen -
-				sizeof(prec_dir->dirent_nfc->d_name);
-
-			prec_dir->dirent_nfc = xrealloc(prec_dir->dirent_nfc, new_len);
-			prec_dir->dirent_nfc->max_name_len = new_maxlen;
-		}
-
-		prec_dir->dirent_nfc->d_ino  = res->d_ino;
-		prec_dir->dirent_nfc->d_type = res->d_type;
-
-		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 want to use decomposed unicode, run\n"
-						"    \"git config core.precomposeunicode false\"\n",
-						repo_encoding, path_encoding);
-			} else {
-				iconv_ibp	cp = (iconv_ibp)res->d_name;
-				size_t inleft = namelenz;
-				char *outpos = &prec_dir->dirent_nfc->d_name[0];
-				size_t outsz = prec_dir->dirent_nfc->max_name_len;
-				errno = 0;
-				iconv(prec_dir->ic_precompose, &cp, &inleft, &outpos, &outsz);
-				if (errno || inleft) {
-					/*
-					 * iconv() failed and errno could be E2BIG, EILSEQ, EINVAL, EBADF
-					 * MacOS X avoids illegal byte sequences.
-					 * If they occur on a mounted drive (e.g. NFS) it is not worth to
-					 * die() for that, but rather let the user see the original name
-					*/
-					namelenz = 0; /* trigger strlcpy */
-				}
-			}
-		} else
-			namelenz = 0;
-
-		if (!namelenz)
-			strlcpy(prec_dir->dirent_nfc->d_name, res->d_name,
-							prec_dir->dirent_nfc->max_name_len);
-
-		errno = ret_errno;
-		return prec_dir->dirent_nfc;
-	}
-	return NULL;
-}
-
-
-int precompose_utf8_closedir(PREC_DIR *prec_dir)
-{
-	int ret_value;
-	int ret_errno;
-	ret_value = closedir(prec_dir->dirp);
-	ret_errno = errno;
-	if (prec_dir->ic_precompose != (iconv_t)-1)
-		iconv_close(prec_dir->ic_precompose);
-	free(prec_dir->dirent_nfc);
-	free(prec_dir);
-	errno = ret_errno;
-	return ret_value;
-}