Example #1
0
static int grep_file(struct grep_opt *opt, const char *filename)
{
	struct strbuf buf = STRBUF_INIT;
	char *name;

	if (opt->relative && opt->prefix_length)
		quote_path_relative(filename, -1, &buf, opt->prefix);
	else
		strbuf_addstr(&buf, filename);
	name = strbuf_detach(&buf, NULL);

#ifndef NO_PTHREADS
	if (use_threads) {
		grep_file_async(opt, name, filename);
		return 0;
	} else
#endif
	{
		int hit;
		size_t sz;
		void *data = load_file(filename, &sz);
		if (!data)
			hit = 0;
		else
			hit = grep_buffer(opt, name, data, sz);

		free(data);
		free(name);
		return hit;
	}
}
Example #2
0
static int grep_file(struct grep_opt *opt, const char *filename)
{
	struct stat st;
	int i;
	char *data;
	size_t sz;

	if (lstat(filename, &st) < 0) {
	err_ret:
		if (errno != ENOENT)
			error("'%s': %s", filename, strerror(errno));
		return 0;
	}
	if (!st.st_size)
		return 0; /* empty file -- no grep hit */
	if (!S_ISREG(st.st_mode))
		return 0;
	sz = xsize_t(st.st_size);
	i = open(filename, O_RDONLY);
	if (i < 0)
		goto err_ret;
	data = xmalloc(sz + 1);
	if (st.st_size != read_in_full(i, data, sz)) {
		error("'%s': short read %s", filename, strerror(errno));
		close(i);
		free(data);
		return 0;
	}
	close(i);
	if (opt->relative && opt->prefix_length)
		filename += opt->prefix_length;
	i = grep_buffer(opt, filename, data, sz);
	free(data);
	return i;
}
Example #3
0
static int commit_match(struct commit *commit, struct rev_info *opt)
{
	if (!opt->grep_filter.pattern_list)
		return 1;
	return grep_buffer(&opt->grep_filter,
			   NULL, /* we say nothing, not even filename */
			   commit->buffer, strlen(commit->buffer));
}
Example #4
0
static void *run(void *arg)
{
	int hit = 0;
	struct grep_opt *opt = arg;

	while (1) {
		struct work_item *w = get_work();
		if (!w)
			break;

		if (skip_binary(opt, (const char *)w->identifier))
			continue;

		opt->output_priv = w;
		if (w->type == WORK_SHA1) {
			unsigned long sz;
			void* data = load_sha1(w->identifier, &sz, w->name);

			if (data) {
				hit |= grep_buffer(opt, w->name, data, sz);
				free(data);
			}
		} else if (w->type == WORK_FILE) {
			size_t sz;
			void* data = load_file(w->identifier, &sz);
			if (data) {
				hit |= grep_buffer(opt, w->name, data, sz);
				free(data);
			}
		} else {
			assert(0);
		}

		work_done(w);
	}
	free_grep_patterns(arg);
	free(arg);

	return (void*) (intptr_t) hit;
}
Example #5
0
static int grep_sha1(struct grep_opt *opt, const unsigned char *sha1,
		     const char *filename, int tree_name_len)
{
	struct strbuf pathbuf = STRBUF_INIT;
	char *name;

	if (opt->relative && opt->prefix_length) {
		quote_path_relative(filename + tree_name_len, -1, &pathbuf,
				    opt->prefix);
		strbuf_insert(&pathbuf, 0, filename, tree_name_len);
	} else {
		strbuf_addstr(&pathbuf, filename);
	}

	name = strbuf_detach(&pathbuf, NULL);

#ifndef NO_PTHREADS
	if (use_threads) {
		grep_sha1_async(opt, name, sha1);
		return 0;
	} else
#endif
	{
		int hit;
		unsigned long sz;
		void *data = load_sha1(sha1, &sz, name);
		if (!data)
			hit = 0;
		else
			hit = grep_buffer(opt, name, data, sz);

		free(data);
		free(name);
		return hit;
	}
}
Example #6
0
static int grep_sha1(struct grep_opt *opt, const unsigned char *sha1, const char *name, int tree_name_len)
{
	unsigned long size;
	char *data;
	enum object_type type;
	char *to_free = NULL;
	int hit;

	data = read_sha1_file(sha1, &type, &size);
	if (!data) {
		error("'%s': unable to read %s", name, sha1_to_hex(sha1));
		return 0;
	}
	if (opt->relative && opt->prefix_length) {
		static char name_buf[PATH_MAX];
		char *cp;
		int name_len = strlen(name) - opt->prefix_length + 1;

		if (!tree_name_len)
			name += opt->prefix_length;
		else {
			if (ARRAY_SIZE(name_buf) <= name_len)
				cp = to_free = xmalloc(name_len);
			else
				cp = name_buf;
			memcpy(cp, name, tree_name_len);
			strcpy(cp + tree_name_len,
			       name + tree_name_len + opt->prefix_length);
			name = cp;
		}
	}
	hit = grep_buffer(opt, name, data, size);
	free(data);
	free(to_free);
	return hit;
}