diff options
Diffstat (limited to 'compat')
-rw-r--r-- | compat/mkdir.c | 24 | ||||
-rw-r--r-- | compat/nedmalloc/Readme.txt | 2 | ||||
-rw-r--r-- | compat/precompose_utf8.c | 184 | ||||
-rw-r--r-- | compat/precompose_utf8.h | 45 | ||||
-rw-r--r-- | compat/terminal.c | 1 | ||||
-rw-r--r-- | compat/win32/pthread.h | 5 |
6 files changed, 260 insertions, 1 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/nedmalloc/Readme.txt b/compat/nedmalloc/Readme.txt index 876365646e..e46d8f112c 100644 --- a/compat/nedmalloc/Readme.txt +++ b/compat/nedmalloc/Readme.txt @@ -100,7 +100,7 @@ v1.04alpha_svn915 7th October 2006: Thanks to Dmitry Chichkov for reporting this. Futher thanks to Aleksey Sanin. * Fixed realloc(0, <size>) segfaulting. Thanks to Dmitry Chichkov for reporting this. - * Made config defines #ifndef so they can be overriden by the build system. + * Made config defines #ifndef so they can be overridden by the build system. Thanks to Aleksey Sanin for suggesting this. * Fixed deadlock in nedprealloc() due to unnecessary locking of preferred thread mspace when mspace_realloc() always uses the original block's mspace 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 */ diff --git a/compat/terminal.c b/compat/terminal.c index 6d16c8fba0..bbb038dd01 100644 --- a/compat/terminal.c +++ b/compat/terminal.c @@ -59,6 +59,7 @@ char *git_terminal_prompt(const char *prompt, int echo) r = strbuf_getline(&buf, fh, '\n'); if (!echo) { + fseek(fh, SEEK_CUR, 0); putc('\n', fh); fflush(fh); } diff --git a/compat/win32/pthread.h b/compat/win32/pthread.h index 2e20548557..8ad187344f 100644 --- a/compat/win32/pthread.h +++ b/compat/win32/pthread.h @@ -86,6 +86,11 @@ static inline int pthread_key_create(pthread_key_t *keyp, void (*destructor)(voi return (*keyp = TlsAlloc()) == TLS_OUT_OF_INDEXES ? EAGAIN : 0; } +static inline int pthread_key_delete(pthread_key_t key) +{ + return TlsFree(key) ? 0 : EINVAL; +} + static inline int pthread_setspecific(pthread_key_t key, const void *value) { return TlsSetValue(key, (void *)value) ? 0 : EINVAL; |