busybox/networking/httpd_indexcgi.c

/*
 * Copyright (c) 2007 Denys Vlasenko <vda.linux@googlemail.com>
 *
 * Licensed under GPLv2, see file LICENSE in this tarball for details.
 */

/*
 * This program is a CGI application. It outputs directory index page.
 * Put it into cgi-bin/index.cgi and chmod 0755.
 */

/* Build a-la
i486-linux-uclibc-gcc \
-static -static-libgcc \
-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 \
-Wall -Wshadow -Wwrite-strings -Wundef -Wstrict-prototypes -Werror \
-Wold-style-definition -Wdeclaration-after-statement -Wno-pointer-sign \
-Wmissing-prototypes -Wmissing-declarations \
-Os -fno-builtin-strlen -finline-limit=0 -fomit-frame-pointer \
-ffunction-sections -fdata-sections -fno-guess-branch-probability \
-funsigned-char \
-falign-functions=1 -falign-jumps=1 -falign-labels=1 -falign-loops=1 \
-march=i386 -mpreferred-stack-boundary=2 \
-Wl,-Map -Wl,link.map -Wl,--warn-common -Wl,--sort-common -Wl,--gc-sections \
httpd_indexcgi.c -o index.cgi
*/

/* We don't use printf, as it pulls in >12 kb of code from uclibc (i386). */
/* Currently malloc machinery is the biggest part of libc we pull in. */
/* We have only one realloc and one strdup, any idea how to do without? */

/* Size (i386, static uclibc, approximate):
 *   text    data     bss     dec     hex filename
 *  13036      44    3052   16132    3f04 index.cgi
 *   2576       4    2048    4628    1214 index.cgi.o
 */

#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdio.h>
#include <dirent.h>
#include <time.h>

/* Appearance of the table is controlled by style sheet *ONLY*,
 * formatting code uses <TAG class=CLASS> to apply style
 * to elements. Edit stylesheet to your liking and recompile. */

#define STYLE_STR \
"<style>"                                               "\n"\
"table {"                                               "\n"\
  "width:100%;"                                         "\n"\
  "background-color:#fff5ee;"                           "\n"\
  "border-width:1px;" /* 1px 1px 1px 1px; */            "\n"\
  "border-spacing:2px;"                                 "\n"\
  "border-style:solid;" /* solid solid solid solid; */  "\n"\
  "border-color:black;" /* black black black black; */  "\n"\
  "border-collapse:collapse;"                           "\n"\
"}"                                                     "\n"\
"th {"                                                  "\n"\
  "border-width:1px;" /* 1px 1px 1px 1px; */            "\n"\
  "padding:1px;" /* 1px 1px 1px 1px; */                 "\n"\
  "border-style:solid;" /* solid solid solid solid; */  "\n"\
  "border-color:black;" /* black black black black; */  "\n"\
"}"                                                     "\n"\
"td {"                                                  "\n"\
             /* top right bottom left */                    \
  "border-width:0px 1px 0px 1px;"                       "\n"\
  "padding:1px;" /* 1px 1px 1px 1px; */                 "\n"\
  "border-style:solid;" /* solid solid solid solid; */  "\n"\
  "border-color:black;" /* black black black black; */  "\n"\
  "white-space:nowrap;"                                 "\n"\
"}"                                                     "\n"\
"tr.hdr { background-color:#eee5de; }"                  "\n"\
"tr.o { background-color:#ffffff; }"                    "\n"\
/* tr.e { ... } - for even rows (currently none) */         \
"tr.foot { background-color:#eee5de; }"                 "\n"\
"th.cnt { text-align:left; }"                           "\n"\
"th.sz { text-align:right; }"                           "\n"\
"th.dt { text-align:right; }"                           "\n"\
"td.sz { text-align:right; }"                           "\n"\
"td.dt { text-align:right; }"                           "\n"\
"col.nm { width:98%; }"                                 "\n"\
"col.sz { width:1%; }"                                  "\n"\
"col.dt { width:1%; }"                                  "\n"\
"</style>"                                              "\n"\

typedef struct dir_list_t {
	char  *dl_name;
	mode_t dl_mode;
	off_t  dl_size;
	time_t dl_mtime;
} dir_list_t;

static int compare_dl(dir_list_t *a, dir_list_t *b)
{
	/* ".." is 'less than' any other dir entry */
	if (strcmp(a->dl_name, "..") == 0) {
		return -1;
	}
	if (strcmp(b->dl_name, "..") == 0) {
		return 1;
	}
	if (S_ISDIR(a->dl_mode) != S_ISDIR(b->dl_mode)) {
		/* 1 if b is a dir (and thus a is 'after' b, a > b),
		 * else -1 (a < b) */
		return (S_ISDIR(b->dl_mode) != 0) ? 1 : -1;
	}
	return strcmp(a->dl_name, b->dl_name);
}

static char buffer[2*1024 > sizeof(STYLE_STR) ? 2*1024 : sizeof(STYLE_STR)];
static char *dst = buffer;
enum {
	BUFFER_SIZE = sizeof(buffer),
	HEADROOM = 64,
};

/* After this call, you have at least size + HEADROOM bytes available
 * ahead of dst */
static void guarantee(int size)
{
	if (buffer + (BUFFER_SIZE-HEADROOM) - dst >= size)
		return;
	write(STDOUT_FILENO, buffer, dst - buffer);
	dst = buffer;
}

/* NB: formatters do not store terminating NUL! */

/* HEADROOM bytes are available after dst after this call */
static void fmt_str(/*char *dst,*/ const char *src)
{
	unsigned len = strlen(src);
	guarantee(len);
	memcpy(dst, src, len);
	dst += len;
}

/* HEADROOM bytes after dst are available after this call */
static void fmt_url(/*char *dst,*/ const char *name)
{
	while (*name) {
		unsigned c = *name++;
		guarantee(3);
		*dst = c;
		if ((c - '0') > 9 /* not a digit */
		 && ((c|0x20) - 'a') > ('z' - 'a') /* not A-Z or a-z */
		 && !strchr("._-+@", c)
		) {
			*dst++ = '%';
			*dst++ = "0123456789ABCDEF"[c >> 4];
			*dst = "0123456789ABCDEF"[c & 0xf];
		}
		dst++;
	}
}

/* HEADROOM bytes are available after dst after this call */
static void fmt_html(/*char *dst,*/ const char *name)
{
	while (*name) {
		char c = *name++;
		if (c == '<')
			fmt_str("&lt;");
		else if (c == '>')
			fmt_str("&gt;");
		else if (c == '&') {
			fmt_str("&amp;");
		} else {
			guarantee(1);
			*dst++ = c;
			continue;
		}
	}
}

/* HEADROOM bytes are available after dst after this call */
static void fmt_ull(/*char *dst,*/ unsigned long long n)
{
	char buf[sizeof(n)*3 + 2];
	char *p;

	p = buf + sizeof(buf) - 1;
	*p = '\0';
	do {
		*--p = (n % 10) + '0';
		n /= 10;
	} while (n);
	fmt_str(/*dst,*/ p);
}

/* Does not call guarantee - eats into headroom instead */
static void fmt_02u(/*char *dst,*/ unsigned n)
{
	/* n %= 100; - not needed, callers don't pass big n */
	dst[0] = (n / 10) + '0';
	dst[1] = (n % 10) + '0';
	dst += 2;
}

/* Does not call guarantee - eats into headroom instead */
static void fmt_04u(/*char *dst,*/ unsigned n)
{
	/* n %= 10000; - not needed, callers don't pass big n */
	fmt_02u(n / 100);
	fmt_02u(n % 100);
}

int main(int argc, char *argv[])
{
	dir_list_t *dir_list;
	dir_list_t *cdir;
	unsigned dir_list_count;
	unsigned count_dirs;
	unsigned count_files;
	unsigned long long size_total;
	int odd;
	DIR *dirp;
	char *QUERY_STRING;

	QUERY_STRING = getenv("QUERY_STRING");
	if (!QUERY_STRING
	 || QUERY_STRING[0] != '/'
	 || strstr(QUERY_STRING, "//")
	 || strstr(QUERY_STRING, "/../")
	 || strcmp(strrchr(QUERY_STRING, '/'), "/..") == 0
	) {
		return 1;
	}

	if (chdir("..")
	 || (QUERY_STRING[1] && chdir(QUERY_STRING + 1))
	) {
		return 1;
	}

	dirp = opendir(".");
	if (!dirp)
		return 1;
	dir_list = NULL;
	dir_list_count = 0;
	while (1) {
		struct dirent *dp;
		struct stat sb;

		dp = readdir(dirp);
		if (!dp)
			break;
		if (dp->d_name[0] == '.' && !dp->d_name[1])
			continue;
		if (stat(dp->d_name, &sb) != 0)
			continue;
		dir_list = realloc(dir_list, (dir_list_count + 1) * sizeof(dir_list[0]));
		dir_list[dir_list_count].dl_name = strdup(dp->d_name);
		dir_list[dir_list_count].dl_mode = sb.st_mode;
		dir_list[dir_list_count].dl_size = sb.st_size;
		dir_list[dir_list_count].dl_mtime = sb.st_mtime;
		dir_list_count++;
	}
	closedir(dirp);

	qsort(dir_list, dir_list_count, sizeof(dir_list[0]), (void*)compare_dl);

	fmt_str(
		"" /* Additional headers (currently none) */
		"\r\n" /* Mandatory empty line after headers */
		"<html><head><title>Index of ");
	/* Guard against directories with &, > etc */
	fmt_html(QUERY_STRING);
	fmt_str(
		"</title>\n"
		STYLE_STR
		"</head>" "\n"
		"<body>" "\n"
		"<h1>Index of ");
	fmt_html(QUERY_STRING);
	fmt_str(
		"</h1>" "\n"
		"<table>" "\n"
		"<col class=nm><col class=sz><col class=dt>" "\n"
		"<tr class=hdr><th class=cnt>Name<th class=sz>Size<th class=dt>Last modified" "\n");

	odd = 0;
	count_dirs = 0;
	count_files = 0;
	size_total = 0;
	cdir = dir_list;
	while (dir_list_count--) {
		struct tm *ptm;

		if (S_ISDIR(cdir->dl_mode)) {
			count_dirs++;
		} else if (S_ISREG(cdir->dl_mode)) {
			count_files++;
			size_total += cdir->dl_size;
		} else
			goto next;

		fmt_str("<tr class=");
		*dst++ = (odd ? 'o' : 'e');
		fmt_str("><td class=nm><a href='");
		fmt_url(cdir->dl_name); /* %20 etc */
		if (S_ISDIR(cdir->dl_mode))
			*dst++ = '/';
		fmt_str("'>");
		fmt_html(cdir->dl_name); /* &lt; etc */
		if (S_ISDIR(cdir->dl_mode))
			*dst++ = '/';
		fmt_str("</a><td class=sz>");
		if (S_ISREG(cdir->dl_mode))
			fmt_ull(cdir->dl_size);
		fmt_str("<td class=dt>");
		ptm = gmtime(&cdir->dl_mtime);
		fmt_04u(1900 + ptm->tm_year); *dst++ = '-';
		fmt_02u(ptm->tm_mon + 1); *dst++ = '-';
		fmt_02u(ptm->tm_mday); *dst++ = ' ';
		fmt_02u(ptm->tm_hour); *dst++ = ':';
		fmt_02u(ptm->tm_min); *dst++ = ':';
		fmt_02u(ptm->tm_sec);
		*dst++ = '\n';

		odd = 1 - odd;
 next:
		cdir++;
	}

	fmt_str("<tr class=foot><th class=cnt>Files: ");
	fmt_ull(count_files);
	/* count_dirs - 1: we don't want to count ".." */
	fmt_str(", directories: ");
	fmt_ull(count_dirs - 1);
	fmt_str("<th class=sz>");
	fmt_ull(size_total);
	fmt_str("<th class=dt>\n");
	/* "</table></body></html>" - why bother? */
	guarantee(BUFFER_SIZE * 2); /* flush */

	return 0;
}
1	niro	816	/*
2			* Copyright (c) 2007 Denys Vlasenko <vda.linux@googlemail.com>
3			*
4			* Licensed under GPLv2, see file LICENSE in this tarball for details.
5			*/
6
7			/*
8			* This program is a CGI application. It outputs directory index page.
9			* Put it into cgi-bin/index.cgi and chmod 0755.
10			*/
11
12			/* Build a-la
13			i486-linux-uclibc-gcc \
14			-static -static-libgcc \
15			-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 \
16			-Wall -Wshadow -Wwrite-strings -Wundef -Wstrict-prototypes -Werror \
17			-Wold-style-definition -Wdeclaration-after-statement -Wno-pointer-sign \
18			-Wmissing-prototypes -Wmissing-declarations \
19			-Os -fno-builtin-strlen -finline-limit=0 -fomit-frame-pointer \
20			-ffunction-sections -fdata-sections -fno-guess-branch-probability \
21			-funsigned-char \
22			-falign-functions=1 -falign-jumps=1 -falign-labels=1 -falign-loops=1 \
23			-march=i386 -mpreferred-stack-boundary=2 \
24			-Wl,-Map -Wl,link.map -Wl,--warn-common -Wl,--sort-common -Wl,--gc-sections \
25			httpd_indexcgi.c -o index.cgi
26			*/
27
28			/* We don't use printf, as it pulls in >12 kb of code from uclibc (i386). */
29			/* Currently malloc machinery is the biggest part of libc we pull in. */
30			/* We have only one realloc and one strdup, any idea how to do without? */
31	niro	984
32			/* Size (i386, static uclibc, approximate):
33	niro	816	* text data bss dec hex filename
34			* 13036 44 3052 16132 3f04 index.cgi
35			* 2576 4 2048 4628 1214 index.cgi.o
36			*/
37
38			#include <sys/types.h>
39			#include <sys/stat.h>
40			#include <errno.h>
41			#include <stdint.h>
42			#include <stdlib.h>
43			#include <string.h>
44			#include <unistd.h>
45			#include <stdio.h>
46			#include <dirent.h>
47			#include <time.h>
48
49			/* Appearance of the table is controlled by style sheet ONLY,
50			* formatting code uses <TAG class=CLASS> to apply style
51			* to elements. Edit stylesheet to your liking and recompile. */
52
53			#define STYLE_STR \
54			"<style>" "\n"\
55			"table {" "\n"\
56			"width:100%;" "\n"\
57			"background-color:#fff5ee;" "\n"\
58			"border-width:1px;" /* 1px 1px 1px 1px; */ "\n"\
59			"border-spacing:2px;" "\n"\
60			"border-style:solid;" /* solid solid solid solid; */ "\n"\
61			"border-color:black;" /* black black black black; */ "\n"\
62			"border-collapse:collapse;" "\n"\
63			"}" "\n"\
64			"th {" "\n"\
65			"border-width:1px;" /* 1px 1px 1px 1px; */ "\n"\
66			"padding:1px;" /* 1px 1px 1px 1px; */ "\n"\
67			"border-style:solid;" /* solid solid solid solid; */ "\n"\
68			"border-color:black;" /* black black black black; */ "\n"\
69			"}" "\n"\
70			"td {" "\n"\
71			/* top right bottom left */ \
72			"border-width:0px 1px 0px 1px;" "\n"\
73			"padding:1px;" /* 1px 1px 1px 1px; */ "\n"\
74			"border-style:solid;" /* solid solid solid solid; */ "\n"\
75			"border-color:black;" /* black black black black; */ "\n"\
76			"white-space:nowrap;" "\n"\
77			"}" "\n"\
78			"tr.hdr { background-color:#eee5de; }" "\n"\
79			"tr.o { background-color:#ffffff; }" "\n"\
80			/* tr.e { ... } - for even rows (currently none) */ \
81			"tr.foot { background-color:#eee5de; }" "\n"\
82			"th.cnt { text-align:left; }" "\n"\
83			"th.sz { text-align:right; }" "\n"\
84			"th.dt { text-align:right; }" "\n"\
85			"td.sz { text-align:right; }" "\n"\
86			"td.dt { text-align:right; }" "\n"\
87			"col.nm { width:98%; }" "\n"\
88			"col.sz { width:1%; }" "\n"\
89			"col.dt { width:1%; }" "\n"\
90			"</style>" "\n"\
91
92			typedef struct dir_list_t {
93			char *dl_name;
94			mode_t dl_mode;
95			off_t dl_size;
96			time_t dl_mtime;
97			} dir_list_t;
98
99			static int compare_dl(dir_list_t a, dir_list_t b)
100			{
101			/* ".." is 'less than' any other dir entry */
102			if (strcmp(a->dl_name, "..") == 0) {
103			return -1;
104			}
105			if (strcmp(b->dl_name, "..") == 0) {
106			return 1;
107			}
108			if (S_ISDIR(a->dl_mode) != S_ISDIR(b->dl_mode)) {
109			/* 1 if b is a dir (and thus a is 'after' b, a > b),
110			* else -1 (a < b) */
111			return (S_ISDIR(b->dl_mode) != 0) ? 1 : -1;
112			}
113			return strcmp(a->dl_name, b->dl_name);
114			}
115
116			static char buffer[21024 > sizeof(STYLE_STR) ? 21024 : sizeof(STYLE_STR)];
117			static char *dst = buffer;
118			enum {
119			BUFFER_SIZE = sizeof(buffer),
120			HEADROOM = 64,
121			};
122
123			/* After this call, you have at least size + HEADROOM bytes available
124			* ahead of dst */
125			static void guarantee(int size)
126			{
127			if (buffer + (BUFFER_SIZE-HEADROOM) - dst >= size)
128			return;
129			write(STDOUT_FILENO, buffer, dst - buffer);
130			dst = buffer;
131			}
132
133			/* NB: formatters do not store terminating NUL! */
134
135			/* HEADROOM bytes are available after dst after this call */
136			static void fmt_str(/char dst,/ const char src)
137			{
138			unsigned len = strlen(src);
139			guarantee(len);
140			memcpy(dst, src, len);
141			dst += len;
142			}
143
144			/* HEADROOM bytes after dst are available after this call */
145			static void fmt_url(/char dst,/ const char name)
146			{
147			while (*name) {
148			unsigned c = *name++;
149			guarantee(3);
150			*dst = c;
151			if ((c - '0') > 9 /* not a digit */
152	niro	984	&& ((c\|0x20) - 'a') > ('z' - 'a') /* not A-Z or a-z */
153	niro	816	&& !strchr("._-+@", c)
154			) {
155			*dst++ = '%';
156			*dst++ = "0123456789ABCDEF"[c >> 4];
157			*dst = "0123456789ABCDEF"[c & 0xf];
158			}
159			dst++;
160			}
161			}
162
163			/* HEADROOM bytes are available after dst after this call */
164			static void fmt_html(/char dst,/ const char name)
165			{
166			while (*name) {
167			char c = *name++;
168			if (c == '<')
169			fmt_str("<");
170			else if (c == '>')
171			fmt_str(">");
172			else if (c == '&') {
173			fmt_str("&");
174			} else {
175			guarantee(1);
176			*dst++ = c;
177			continue;
178			}
179			}
180			}
181
182			/* HEADROOM bytes are available after dst after this call */
183			static void fmt_ull(/char dst,*/ unsigned long long n)
184			{
185			char buf[sizeof(n)*3 + 2];
186			char *p;
187
188			p = buf + sizeof(buf) - 1;
189			*p = '\0';
190			do {
191			*--p = (n % 10) + '0';
192			n /= 10;
193			} while (n);
194			fmt_str(/dst,/ p);
195			}
196
197			/* Does not call guarantee - eats into headroom instead */
198			static void fmt_02u(/char dst,*/ unsigned n)
199			{
200			/* n %= 100; - not needed, callers don't pass big n */
201			dst[0] = (n / 10) + '0';
202			dst[1] = (n % 10) + '0';
203			dst += 2;
204			}
205
206			/* Does not call guarantee - eats into headroom instead */
207			static void fmt_04u(/char dst,*/ unsigned n)
208			{
209			/* n %= 10000; - not needed, callers don't pass big n */
210			fmt_02u(n / 100);
211			fmt_02u(n % 100);
212			}
213
214	niro	984	int main(int argc, char *argv[])
215	niro	816	{
216			dir_list_t *dir_list;
217			dir_list_t *cdir;
218			unsigned dir_list_count;
219			unsigned count_dirs;
220			unsigned count_files;
221			unsigned long long size_total;
222			int odd;
223			DIR *dirp;
224			char *QUERY_STRING;
225
226			QUERY_STRING = getenv("QUERY_STRING");
227			if (!QUERY_STRING
228			\|\| QUERY_STRING[0] != '/'
229	niro	984	\|\| strstr(QUERY_STRING, "//")
230	niro	816	\|\| strstr(QUERY_STRING, "/../")
231			\|\| strcmp(strrchr(QUERY_STRING, '/'), "/..") == 0
232			) {
233			return 1;
234			}
235
236			if (chdir("..")
237			\|\| (QUERY_STRING[1] && chdir(QUERY_STRING + 1))
238			) {
239			return 1;
240			}
241
242			dirp = opendir(".");
243			if (!dirp)
244			return 1;
245			dir_list = NULL;
246			dir_list_count = 0;
247			while (1) {
248			struct dirent *dp;
249			struct stat sb;
250
251			dp = readdir(dirp);
252			if (!dp)
253			break;
254			if (dp->d_name[0] == '.' && !dp->d_name[1])
255			continue;
256			if (stat(dp->d_name, &sb) != 0)
257			continue;
258			dir_list = realloc(dir_list, (dir_list_count + 1) * sizeof(dir_list[0]));
259			dir_list[dir_list_count].dl_name = strdup(dp->d_name);
260			dir_list[dir_list_count].dl_mode = sb.st_mode;
261			dir_list[dir_list_count].dl_size = sb.st_size;
262			dir_list[dir_list_count].dl_mtime = sb.st_mtime;
263			dir_list_count++;
264			}
265			closedir(dirp);
266
267			qsort(dir_list, dir_list_count, sizeof(dir_list[0]), (void*)compare_dl);
268
269			fmt_str(
270			"" /* Additional headers (currently none) */
271			"\r\n" /* Mandatory empty line after headers */
272			"<html><head><title>Index of ");
273			/* Guard against directories with &, > etc */
274			fmt_html(QUERY_STRING);
275			fmt_str(
276			"</title>\n"
277			STYLE_STR
278			"</head>" "\n"
279			"<body>" "\n"
280			"<h1>Index of ");
281			fmt_html(QUERY_STRING);
282			fmt_str(
283			"</h1>" "\n"
284			"<table>" "\n"
285			"<col class=nm><col class=sz><col class=dt>" "\n"
286			"<tr class=hdr><th class=cnt>Name<th class=sz>Size<th class=dt>Last modified" "\n");
287
288			odd = 0;
289			count_dirs = 0;
290			count_files = 0;
291			size_total = 0;
292			cdir = dir_list;
293			while (dir_list_count--) {
294	niro	984	struct tm *ptm;
295	niro	816
296			if (S_ISDIR(cdir->dl_mode)) {
297			count_dirs++;
298			} else if (S_ISREG(cdir->dl_mode)) {
299			count_files++;
300			size_total += cdir->dl_size;
301			} else
302			goto next;
303
304			fmt_str("<tr class=");
305			*dst++ = (odd ? 'o' : 'e');
306			fmt_str("><td class=nm><a href='");
307			fmt_url(cdir->dl_name); /* %20 etc */
308			if (S_ISDIR(cdir->dl_mode))
309			*dst++ = '/';
310			fmt_str("'>");
311			fmt_html(cdir->dl_name); /* < etc */
312			if (S_ISDIR(cdir->dl_mode))
313			*dst++ = '/';
314			fmt_str("</a><td class=sz>");
315			if (S_ISREG(cdir->dl_mode))
316			fmt_ull(cdir->dl_size);
317			fmt_str("<td class=dt>");
318	niro	991	ptm = gmtime(&cdir->dl_mtime);
319	niro	984	fmt_04u(1900 + ptm->tm_year); *dst++ = '-';
320			fmt_02u(ptm->tm_mon + 1); *dst++ = '-';
321			fmt_02u(ptm->tm_mday); *dst++ = ' ';
322			fmt_02u(ptm->tm_hour); *dst++ = ':';
323			fmt_02u(ptm->tm_min); *dst++ = ':';
324			fmt_02u(ptm->tm_sec);
325	niro	816	*dst++ = '\n';
326
327			odd = 1 - odd;
328			next:
329			cdir++;
330			}
331
332			fmt_str("<tr class=foot><th class=cnt>Files: ");
333			fmt_ull(count_files);
334			/* count_dirs - 1: we don't want to count ".." */
335			fmt_str(", directories: ");
336			fmt_ull(count_dirs - 1);
337			fmt_str("<th class=sz>");
338			fmt_ull(size_total);
339			fmt_str("<th class=dt>\n");
340			/* "</table></body></html>" - why bother? */
341			guarantee(BUFFER_SIZE * 2); /* flush */
342
343			return 0;
344			}