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-rw-r--r--compat/mkdir.c24
-rw-r--r--compat/poll/poll.c (renamed from compat/win32/poll.c)14
-rw-r--r--compat/poll/poll.h (renamed from compat/win32/poll.h)0
-rw-r--r--compat/precompose_utf8.c184
-rw-r--r--compat/precompose_utf8.h45
5 files changed, 264 insertions, 3 deletions
diff --git a/compat/mkdir.c b/compat/mkdir.c
new file mode 100644
index 0000000000..9e253fb72f
--- /dev/null
+++ b/compat/mkdir.c
@@ -0,0 +1,24 @@
+#include "../git-compat-util.h"
+#undef mkdir
+
+/* for platforms that can't deal with a trailing '/' */
+int compat_mkdir_wo_trailing_slash(const char *dir, mode_t mode)
+{
+ int retval;
+ char *tmp_dir = NULL;
+ size_t len = strlen(dir);
+
+ if (len && dir[len-1] == '/') {
+ if ((tmp_dir = strdup(dir)) == NULL)
+ return -1;
+ tmp_dir[len-1] = '\0';
+ }
+ else
+ tmp_dir = (char *)dir;
+
+ retval = mkdir(tmp_dir, mode);
+ if (tmp_dir != dir)
+ free(tmp_dir);
+
+ return retval;
+}
diff --git a/compat/win32/poll.c b/compat/poll/poll.c
index 403eaa7a3c..7d226ecb29 100644
--- a/compat/win32/poll.c
+++ b/compat/poll/poll.c
@@ -24,7 +24,9 @@
# pragma GCC diagnostic ignored "-Wtype-limits"
#endif
-#include <malloc.h>
+#if defined(WIN32)
+# include <malloc.h>
+#endif
#include <sys/types.h>
@@ -48,7 +50,9 @@
#else
# include <sys/time.h>
# include <sys/socket.h>
-# include <sys/select.h>
+# ifndef NO_SYS_SELECT_H
+# include <sys/select.h>
+# endif
# include <unistd.h>
#endif
@@ -302,6 +306,10 @@ compute_revents (int fd, int sought, fd_set *rfds, fd_set *wfds, fd_set *efds)
|| socket_errno == ECONNABORTED || socket_errno == ENETRESET)
happened |= POLLHUP;
+ /* some systems can't use recv() on non-socket, including HP NonStop */
+ else if (/* (r == -1) && */ socket_errno == ENOTSOCK)
+ happened |= (POLLIN | POLLRDNORM) & sought;
+
else
happened |= POLLERR;
}
@@ -349,7 +357,7 @@ poll (struct pollfd *pfd, nfds_t nfd, int timeout)
/* EFAULT is not necessary to implement, but let's do it in the
simplest case. */
- if (!pfd)
+ if (!pfd && nfd)
{
errno = EFAULT;
return -1;
diff --git a/compat/win32/poll.h b/compat/poll/poll.h
index b7aa59d973..b7aa59d973 100644
--- a/compat/win32/poll.h
+++ b/compat/poll/poll.h
diff --git a/compat/precompose_utf8.c b/compat/precompose_utf8.c
new file mode 100644
index 0000000000..8cf59558e1
--- /dev/null
+++ b/compat/precompose_utf8.c
@@ -0,0 +1,184 @@
+/*
+ * Converts filenames from decomposed unicode into precomposed unicode.
+ * Used on MacOS X.
+ */
+
+#define PRECOMPOSE_UNICODE_C
+
+#include "cache.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(char *path, int len)
+{
+ 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 */
+ strcpy(path + len, auml_nfc);
+ output_fd = open(path, O_CREAT|O_EXCL|O_RDWR, 0600);
+ 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;
+ strcpy(path + len, auml_nfc);
+ if (unlink(path))
+ die_errno(_("failed to unlink '%s'"), 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);
+ 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 wnat 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;
+ size_t cnt;
+ errno = 0;
+ cnt = 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 sequemces.
+ * 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;
+}
diff --git a/compat/precompose_utf8.h b/compat/precompose_utf8.h
new file mode 100644
index 0000000000..3b73585fc5
--- /dev/null
+++ b/compat/precompose_utf8.h
@@ -0,0 +1,45 @@
+#ifndef PRECOMPOSE_UNICODE_H
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <iconv.h>
+
+
+typedef struct dirent_prec_psx {
+ ino_t d_ino; /* Posix */
+ size_t max_name_len; /* See below */
+ unsigned char d_type; /* available on all systems git runs on */
+
+ /*
+ * See http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/dirent.h.html
+ * NAME_MAX + 1 should be enough, but some systems have
+ * NAME_MAX=255 and strlen(d_name) may return 508 or 510
+ * Solution: allocate more when needed, see precompose_utf8_readdir()
+ */
+ char d_name[NAME_MAX+1];
+} dirent_prec_psx;
+
+
+typedef struct {
+ iconv_t ic_precompose;
+ DIR *dirp;
+ struct dirent_prec_psx *dirent_nfc;
+} PREC_DIR;
+
+void precompose_argv(int argc, const char **argv);
+void probe_utf8_pathname_composition(char *, int);
+
+PREC_DIR *precompose_utf8_opendir(const char *dirname);
+struct dirent_prec_psx *precompose_utf8_readdir(PREC_DIR *dirp);
+int precompose_utf8_closedir(PREC_DIR *dirp);
+
+#ifndef PRECOMPOSE_UNICODE_C
+#define dirent dirent_prec_psx
+#define opendir(n) precompose_utf8_opendir(n)
+#define readdir(d) precompose_utf8_readdir(d)
+#define closedir(d) precompose_utf8_closedir(d)
+#define DIR PREC_DIR
+#endif /* PRECOMPOSE_UNICODE_C */
+
+#define PRECOMPOSE_UNICODE_H
+#endif /* PRECOMPOSE_UNICODE_H */