1 files changed, 0 insertions, 705 deletions
diff --git a/third_party/git/wrapper.c b/third_party/git/wrapper.c
deleted file mode 100644
index 1e45ab7b92..0000000000
--- a/third_party/git/wrapper.c
+++ /dev/null
@@ -1,705 +0,0 @@
-/*
- * Various trivial helper wrappers around standard functions
- */
-#include "cache.h"
-#include "config.h"
-
-static void do_nothing(size_t size)
-{
-}
-
-static void (*try_to_free_routine)(size_t size) = do_nothing;
-
-static int memory_limit_check(size_t size, int gentle)
-{
-	static size_t limit = 0;
-	if (!limit) {
-		limit = git_env_ulong("GIT_ALLOC_LIMIT", 0);
-		if (!limit)
-			limit = SIZE_MAX;
-	}
-	if (size > limit) {
-		if (gentle) {
-			error("attempting to allocate %"PRIuMAX" over limit %"PRIuMAX,
-			      (uintmax_t)size, (uintmax_t)limit);
-			return -1;
-		} else
-			die("attempting to allocate %"PRIuMAX" over limit %"PRIuMAX,
-			    (uintmax_t)size, (uintmax_t)limit);
-	}
-	return 0;
-}
-
-try_to_free_t set_try_to_free_routine(try_to_free_t routine)
-{
-	try_to_free_t old = try_to_free_routine;
-	if (!routine)
-		routine = do_nothing;
-	try_to_free_routine = routine;
-	return old;
-}
-
-char *xstrdup(const char *str)
-{
-	char *ret = strdup(str);
-	if (!ret) {
-		try_to_free_routine(strlen(str) + 1);
-		ret = strdup(str);
-		if (!ret)
-			die("Out of memory, strdup failed");
-	}
-	return ret;
-}
-
-static void *do_xmalloc(size_t size, int gentle)
-{
-	void *ret;
-
-	if (memory_limit_check(size, gentle))
-		return NULL;
-	ret = malloc(size);
-	if (!ret && !size)
-		ret = malloc(1);
-	if (!ret) {
-		try_to_free_routine(size);
-		ret = malloc(size);
-		if (!ret && !size)
-			ret = malloc(1);
-		if (!ret) {
-			if (!gentle)
-				die("Out of memory, malloc failed (tried to allocate %lu bytes)",
-				    (unsigned long)size);
-			else {
-				error("Out of memory, malloc failed (tried to allocate %lu bytes)",
-				      (unsigned long)size);
-				return NULL;
-			}
-		}
-	}
-#ifdef XMALLOC_POISON
-	memset(ret, 0xA5, size);
-#endif
-	return ret;
-}
-
-void *xmalloc(size_t size)
-{
-	return do_xmalloc(size, 0);
-}
-
-static void *do_xmallocz(size_t size, int gentle)
-{
-	void *ret;
-	if (unsigned_add_overflows(size, 1)) {
-		if (gentle) {
-			error("Data too large to fit into virtual memory space.");
-			return NULL;
-		} else
-			die("Data too large to fit into virtual memory space.");
-	}
-	ret = do_xmalloc(size + 1, gentle);
-	if (ret)
-		((char*)ret)[size] = 0;
-	return ret;
-}
-
-void *xmallocz(size_t size)
-{
-	return do_xmallocz(size, 0);
-}
-
-void *xmallocz_gently(size_t size)
-{
-	return do_xmallocz(size, 1);
-}
-
-/*
- * xmemdupz() allocates (len + 1) bytes of memory, duplicates "len" bytes of
- * "data" to the allocated memory, zero terminates the allocated memory,
- * and returns a pointer to the allocated memory. If the allocation fails,
- * the program dies.
- */
-void *xmemdupz(const void *data, size_t len)
-{
-	return memcpy(xmallocz(len), data, len);
-}
-
-char *xstrndup(const char *str, size_t len)
-{
-	char *p = memchr(str, '\0', len);
-	return xmemdupz(str, p ? p - str : len);
-}
-
-void *xrealloc(void *ptr, size_t size)
-{
-	void *ret;
-
-	memory_limit_check(size, 0);
-	ret = realloc(ptr, size);
-	if (!ret && !size)
-		ret = realloc(ptr, 1);
-	if (!ret) {
-		try_to_free_routine(size);
-		ret = realloc(ptr, size);
-		if (!ret && !size)
-			ret = realloc(ptr, 1);
-		if (!ret)
-			die("Out of memory, realloc failed");
-	}
-	return ret;
-}
-
-void *xcalloc(size_t nmemb, size_t size)
-{
-	void *ret;
-
-	if (unsigned_mult_overflows(nmemb, size))
-		die("data too large to fit into virtual memory space");
-
-	memory_limit_check(size * nmemb, 0);
-	ret = calloc(nmemb, size);
-	if (!ret && (!nmemb || !size))
-		ret = calloc(1, 1);
-	if (!ret) {
-		try_to_free_routine(nmemb * size);
-		ret = calloc(nmemb, size);
-		if (!ret && (!nmemb || !size))
-			ret = calloc(1, 1);
-		if (!ret)
-			die("Out of memory, calloc failed");
-	}
-	return ret;
-}
-
-/*
- * Limit size of IO chunks, because huge chunks only cause pain.  OS X
- * 64-bit is buggy, returning EINVAL if len >= INT_MAX; and even in
- * the absence of bugs, large chunks can result in bad latencies when
- * you decide to kill the process.
- *
- * We pick 8 MiB as our default, but if the platform defines SSIZE_MAX
- * that is smaller than that, clip it to SSIZE_MAX, as a call to
- * read(2) or write(2) larger than that is allowed to fail.  As the last
- * resort, we allow a port to pass via CFLAGS e.g. "-DMAX_IO_SIZE=value"
- * to override this, if the definition of SSIZE_MAX given by the platform
- * is broken.
- */
-#ifndef MAX_IO_SIZE
-# define MAX_IO_SIZE_DEFAULT (8*1024*1024)
-# if defined(SSIZE_MAX) && (SSIZE_MAX < MAX_IO_SIZE_DEFAULT)
-#  define MAX_IO_SIZE SSIZE_MAX
-# else
-#  define MAX_IO_SIZE MAX_IO_SIZE_DEFAULT
-# endif
-#endif
-
-/**
- * xopen() is the same as open(), but it die()s if the open() fails.
- */
-int xopen(const char *path, int oflag, ...)
-{
-	mode_t mode = 0;
-	va_list ap;
-
-	/*
-	 * va_arg() will have undefined behavior if the specified type is not
-	 * compatible with the argument type. Since integers are promoted to
-	 * ints, we fetch the next argument as an int, and then cast it to a
-	 * mode_t to avoid undefined behavior.
-	 */
-	va_start(ap, oflag);
-	if (oflag & O_CREAT)
-		mode = va_arg(ap, int);
-	va_end(ap);
-
-	for (;;) {
-		int fd = open(path, oflag, mode);
-		if (fd >= 0)
-			return fd;
-		if (errno == EINTR)
-			continue;
-
-		if ((oflag & O_RDWR) == O_RDWR)
-			die_errno(_("could not open '%s' for reading and writing"), path);
-		else if ((oflag & O_WRONLY) == O_WRONLY)
-			die_errno(_("could not open '%s' for writing"), path);
-		else
-			die_errno(_("could not open '%s' for reading"), path);
-	}
-}
-
-static int handle_nonblock(int fd, short poll_events, int err)
-{
-	struct pollfd pfd;
-
-	if (err != EAGAIN && err != EWOULDBLOCK)
-		return 0;
-
-	pfd.fd = fd;
-	pfd.events = poll_events;
-
-	/*
-	 * no need to check for errors, here;
-	 * a subsequent read/write will detect unrecoverable errors
-	 */
-	poll(&pfd, 1, -1);
-	return 1;
-}
-
-/*
- * xread() is the same a read(), but it automatically restarts read()
- * operations with a recoverable error (EAGAIN and EINTR). xread()
- * DOES NOT GUARANTEE that "len" bytes is read even if the data is available.
- */
-ssize_t xread(int fd, void *buf, size_t len)
-{
-	ssize_t nr;
-	if (len > MAX_IO_SIZE)
-	    len = MAX_IO_SIZE;
-	while (1) {
-		nr = read(fd, buf, len);
-		if (nr < 0) {
-			if (errno == EINTR)
-				continue;
-			if (handle_nonblock(fd, POLLIN, errno))
-				continue;
-		}
-		return nr;
-	}
-}
-
-/*
- * xwrite() is the same a write(), but it automatically restarts write()
- * operations with a recoverable error (EAGAIN and EINTR). xwrite() DOES NOT
- * GUARANTEE that "len" bytes is written even if the operation is successful.
- */
-ssize_t xwrite(int fd, const void *buf, size_t len)
-{
-	ssize_t nr;
-	if (len > MAX_IO_SIZE)
-	    len = MAX_IO_SIZE;
-	while (1) {
-		nr = write(fd, buf, len);
-		if (nr < 0) {
-			if (errno == EINTR)
-				continue;
-			if (handle_nonblock(fd, POLLOUT, errno))
-				continue;
-		}
-
-		return nr;
-	}
-}
-
-/*
- * xpread() is the same as pread(), but it automatically restarts pread()
- * operations with a recoverable error (EAGAIN and EINTR). xpread() DOES
- * NOT GUARANTEE that "len" bytes is read even if the data is available.
- */
-ssize_t xpread(int fd, void *buf, size_t len, off_t offset)
-{
-	ssize_t nr;
-	if (len > MAX_IO_SIZE)
-		len = MAX_IO_SIZE;
-	while (1) {
-		nr = pread(fd, buf, len, offset);
-		if ((nr < 0) && (errno == EAGAIN || errno == EINTR))
-			continue;
-		return nr;
-	}
-}
-
-ssize_t read_in_full(int fd, void *buf, size_t count)
-{
-	char *p = buf;
-	ssize_t total = 0;
-
-	while (count > 0) {
-		ssize_t loaded = xread(fd, p, count);
-		if (loaded < 0)
-			return -1;
-		if (loaded == 0)
-			return total;
-		count -= loaded;
-		p += loaded;
-		total += loaded;
-	}
-
-	return total;
-}
-
-ssize_t write_in_full(int fd, const void *buf, size_t count)
-{
-	const char *p = buf;
-	ssize_t total = 0;
-
-	while (count > 0) {
-		ssize_t written = xwrite(fd, p, count);
-		if (written < 0)
-			return -1;
-		if (!written) {
-			errno = ENOSPC;
-			return -1;
-		}
-		count -= written;
-		p += written;
-		total += written;
-	}
-
-	return total;
-}
-
-ssize_t pread_in_full(int fd, void *buf, size_t count, off_t offset)
-{
-	char *p = buf;
-	ssize_t total = 0;
-
-	while (count > 0) {
-		ssize_t loaded = xpread(fd, p, count, offset);
-		if (loaded < 0)
-			return -1;
-		if (loaded == 0)
-			return total;
-		count -= loaded;
-		p += loaded;
-		total += loaded;
-		offset += loaded;
-	}
-
-	return total;
-}
-
-int xdup(int fd)
-{
-	int ret = dup(fd);
-	if (ret < 0)
-		die_errno("dup failed");
-	return ret;
-}
-
-/**
- * xfopen() is the same as fopen(), but it die()s if the fopen() fails.
- */
-FILE *xfopen(const char *path, const char *mode)
-{
-	for (;;) {
-		FILE *fp = fopen(path, mode);
-		if (fp)
-			return fp;
-		if (errno == EINTR)
-			continue;
-
-		if (*mode && mode[1] == '+')
-			die_errno(_("could not open '%s' for reading and writing"), path);
-		else if (*mode == 'w' || *mode == 'a')
-			die_errno(_("could not open '%s' for writing"), path);
-		else
-			die_errno(_("could not open '%s' for reading"), path);
-	}
-}
-
-FILE *xfdopen(int fd, const char *mode)
-{
-	FILE *stream = fdopen(fd, mode);
-	if (stream == NULL)
-		die_errno("Out of memory? fdopen failed");
-	return stream;
-}
-
-FILE *fopen_for_writing(const char *path)
-{
-	FILE *ret = fopen(path, "w");
-
-	if (!ret && errno == EPERM) {
-		if (!unlink(path))
-			ret = fopen(path, "w");
-		else
-			errno = EPERM;
-	}
-	return ret;
-}
-
-static void warn_on_inaccessible(const char *path)
-{
-	warning_errno(_("unable to access '%s'"), path);
-}
-
-int warn_on_fopen_errors(const char *path)
-{
-	if (errno != ENOENT && errno != ENOTDIR) {
-		warn_on_inaccessible(path);
-		return -1;
-	}
-
-	return 0;
-}
-
-FILE *fopen_or_warn(const char *path, const char *mode)
-{
-	FILE *fp = fopen(path, mode);
-
-	if (fp)
-		return fp;
-
-	warn_on_fopen_errors(path);
-	return NULL;
-}
-
-int xmkstemp(char *filename_template)
-{
-	int fd;
-	char origtemplate[PATH_MAX];
-	strlcpy(origtemplate, filename_template, sizeof(origtemplate));
-
-	fd = mkstemp(filename_template);
-	if (fd < 0) {
-		int saved_errno = errno;
-		const char *nonrelative_template;
-
-		if (strlen(filename_template) != strlen(origtemplate))
-			filename_template = origtemplate;
-
-		nonrelative_template = absolute_path(filename_template);
-		errno = saved_errno;
-		die_errno("Unable to create temporary file '%s'",
-			nonrelative_template);
-	}
-	return fd;
-}
-
-/* Adapted from libiberty's mkstemp.c. */
-
-#undef TMP_MAX
-#define TMP_MAX 16384
-
-int git_mkstemps_mode(char *pattern, int suffix_len, int mode)
-{
-	static const char letters[] =
-		"abcdefghijklmnopqrstuvwxyz"
-		"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-		"0123456789";
-	static const int num_letters = 62;
-	uint64_t value;
-	struct timeval tv;
-	char *filename_template;
-	size_t len;
-	int fd, count;
-
-	len = strlen(pattern);
-
-	if (len < 6 + suffix_len) {
-		errno = EINVAL;
-		return -1;
-	}
-
-	if (strncmp(&pattern[len - 6 - suffix_len], "XXXXXX", 6)) {
-		errno = EINVAL;
-		return -1;
-	}
-
-	/*
-	 * Replace pattern's XXXXXX characters with randomness.
-	 * Try TMP_MAX different filenames.
-	 */
-	gettimeofday(&tv, NULL);
-	value = ((uint64_t)tv.tv_usec << 16) ^ tv.tv_sec ^ getpid();
-	filename_template = &pattern[len - 6 - suffix_len];
-	for (count = 0; count < TMP_MAX; ++count) {
-		uint64_t v = value;
-		/* Fill in the random bits. */
-		filename_template[0] = letters[v % num_letters]; v /= num_letters;
-		filename_template[1] = letters[v % num_letters]; v /= num_letters;
-		filename_template[2] = letters[v % num_letters]; v /= num_letters;
-		filename_template[3] = letters[v % num_letters]; v /= num_letters;
-		filename_template[4] = letters[v % num_letters]; v /= num_letters;
-		filename_template[5] = letters[v % num_letters]; v /= num_letters;
-
-		fd = open(pattern, O_CREAT | O_EXCL | O_RDWR, mode);
-		if (fd >= 0)
-			return fd;
-		/*
-		 * Fatal error (EPERM, ENOSPC etc).
-		 * It doesn't make sense to loop.
-		 */
-		if (errno != EEXIST)
-			break;
-		/*
-		 * This is a random value.  It is only necessary that
-		 * the next TMP_MAX values generated by adding 7777 to
-		 * VALUE are different with (module 2^32).
-		 */
-		value += 7777;
-	}
-	/* We return the null string if we can't find a unique file name.  */
-	pattern[0] = '\0';
-	return -1;
-}
-
-int git_mkstemp_mode(char *pattern, int mode)
-{
-	/* mkstemp is just mkstemps with no suffix */
-	return git_mkstemps_mode(pattern, 0, mode);
-}
-
-int xmkstemp_mode(char *filename_template, int mode)
-{
-	int fd;
-	char origtemplate[PATH_MAX];
-	strlcpy(origtemplate, filename_template, sizeof(origtemplate));
-
-	fd = git_mkstemp_mode(filename_template, mode);
-	if (fd < 0) {
-		int saved_errno = errno;
-		const char *nonrelative_template;
-
-		if (!filename_template[0])
-			filename_template = origtemplate;
-
-		nonrelative_template = absolute_path(filename_template);
-		errno = saved_errno;
-		die_errno("Unable to create temporary file '%s'",
-			nonrelative_template);
-	}
-	return fd;
-}
-
-static int warn_if_unremovable(const char *op, const char *file, int rc)
-{
-	int err;
-	if (!rc || errno == ENOENT)
-		return 0;
-	err = errno;
-	warning_errno("unable to %s '%s'", op, file);
-	errno = err;
-	return rc;
-}
-
-int unlink_or_msg(const char *file, struct strbuf *err)
-{
-	int rc = unlink(file);
-
-	assert(err);
-
-	if (!rc || errno == ENOENT)
-		return 0;
-
-	strbuf_addf(err, "unable to unlink '%s': %s",
-		    file, strerror(errno));
-	return -1;
-}
-
-int unlink_or_warn(const char *file)
-{
-	return warn_if_unremovable("unlink", file, unlink(file));
-}
-
-int rmdir_or_warn(const char *file)
-{
-	return warn_if_unremovable("rmdir", file, rmdir(file));
-}
-
-int remove_or_warn(unsigned int mode, const char *file)
-{
-	return S_ISGITLINK(mode) ? rmdir_or_warn(file) : unlink_or_warn(file);
-}
-
-static int access_error_is_ok(int err, unsigned flag)
-{
-	return (is_missing_file_error(err) ||
-		((flag & ACCESS_EACCES_OK) && err == EACCES));
-}
-
-int access_or_warn(const char *path, int mode, unsigned flag)
-{
-	int ret = access(path, mode);
-	if (ret && !access_error_is_ok(errno, flag))
-		warn_on_inaccessible(path);
-	return ret;
-}
-
-int access_or_die(const char *path, int mode, unsigned flag)
-{
-	int ret = access(path, mode);
-	if (ret && !access_error_is_ok(errno, flag))
-		die_errno(_("unable to access '%s'"), path);
-	return ret;
-}
-
-char *xgetcwd(void)
-{
-	struct strbuf sb = STRBUF_INIT;
-	if (strbuf_getcwd(&sb))
-		die_errno(_("unable to get current working directory"));
-	return strbuf_detach(&sb, NULL);
-}
-
-int xsnprintf(char *dst, size_t max, const char *fmt, ...)
-{
-	va_list ap;
-	int len;
-
-	va_start(ap, fmt);
-	len = vsnprintf(dst, max, fmt, ap);
-	va_end(ap);
-
-	if (len < 0)
-		BUG("your snprintf is broken");
-	if (len >= max)
-		BUG("attempt to snprintf into too-small buffer");
-	return len;
-}
-
-void write_file_buf(const char *path, const char *buf, size_t len)
-{
-	int fd = xopen(path, O_WRONLY | O_CREAT | O_TRUNC, 0666);
-	if (write_in_full(fd, buf, len) < 0)
-		die_errno(_("could not write to '%s'"), path);
-	if (close(fd))
-		die_errno(_("could not close '%s'"), path);
-}
-
-void write_file(const char *path, const char *fmt, ...)
-{
-	va_list params;
-	struct strbuf sb = STRBUF_INIT;
-
-	va_start(params, fmt);
-	strbuf_vaddf(&sb, fmt, params);
-	va_end(params);
-
-	strbuf_complete_line(&sb);
-
-	write_file_buf(path, sb.buf, sb.len);
-	strbuf_release(&sb);
-}
-
-void sleep_millisec(int millisec)
-{
-	poll(NULL, 0, millisec);
-}
-
-int xgethostname(char *buf, size_t len)
-{
-	/*
-	 * If the full hostname doesn't fit in buf, POSIX does not
-	 * specify whether the buffer will be null-terminated, so to
-	 * be safe, do it ourselves.
-	 */
-	int ret = gethostname(buf, len);
-	if (!ret)
-		buf[len - 1] = 0;
-	return ret;
-}
-
-int is_empty_or_missing_file(const char *filename)
-{
-	struct stat st;
-
-	if (stat(filename, &st) < 0) {
-		if (errno == ENOENT)
-			return 1;
-		die_errno(_("could not stat %s"), filename);
-	}
-
-	return !st.st_size;
-}