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Convert utils to C.

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This commit is contained in:
Jonas 'Sortie' Termansen 2016-02-29 00:40:20 +01:00
parent 1cc29fe0ee
commit af40496ffb
59 changed files with 273 additions and 189 deletions
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2
kernel/process.cpp
View file

@ -1084,7 +1084,7 @@ static size_t shebang_count_arguments(char* line)
// as the logic in these files:
// * kernel/process.cpp
// * libc/unistd/execvpe.c
// * utils/which.cpp
// * utils/which.c
// NOTE: See comments in execvpe() for algorithmic commentary.
static bool sys_execve_alloc(addralloc_t* alloc, size_t size)

2
libc/unistd/execvpe.c
View file

@ -94,7 +94,7 @@ int execvpe_attempt(const char* filename,
// as the logic in these files:
// * kernel/process.cpp
// * libc/unistd/execvpe.c
// * utils/which.cpp
// * utils/which.c
int execvpe(const char* filename, char* const* argv, char* const* envp)
{

8
utils/Makefile
View file

@ -5,10 +5,10 @@ include ../build-aux/version.mak
include ../build-aux/dirs.mak
OPTLEVEL?=$(DEFAULT_OPTLEVEL)
CXXFLAGS?=$(OPTLEVEL)
CFLAGS?=$(OPTLEVEL)
CFLAGS:=$(CFLAGS) -Wall -Wextra
CPPFLAGS:=$(CPPFLAGS) -DVERSIONSTR=\"$(VERSION)\"
CXXFLAGS:=$(CXXFLAGS) -Wall -Wextra -fno-exceptions -fno-rtti
BINARIES_EXCEPT_INSTALL:=\
basename \
@ -80,8 +80,8 @@ install: all
install $(BINARIES_EXCEPT_INSTALL) $(DESTDIR)$(BINDIR)
install xinstall $(DESTDIR)$(BINDIR)/install
%: %.cpp
$(CXX) -std=gnu++11 $(CPPFLAGS) $(CXXFLAGS) $< -o $@
%: %.c
$(CC) -std=gnu11 $(CFLAGS) $(CPPFLAGS) $< -o $@
clean:
rm -f $(BINARIES) *.o

6
utils/basename.cpp → utils/basename.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
basename.cpp
basename.c
Strip directory and suffix from filenames.
*******************************************************************************/
@ -24,6 +24,7 @@
#include <error.h>
#include <libgen.h>
#include <locale.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -104,7 +105,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'a': multiple = true; break;
case 's':

6
utils/cat.cpp → utils/cat.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
cat.cpp
cat.c
Concatenate and print files to the standard output.
*******************************************************************************/
@ -25,6 +25,7 @@
#include <errno.h>
#include <error.h>
#include <fcntl.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
@ -134,7 +135,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'u': /* Ignored, POSIX compatibility. */ break;
default:

5
utils/chkblayout.cpp → utils/chkblayout.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
chkblayout.cpp
chkblayout.c
Changes the current keyboard layout.
*******************************************************************************/
@ -79,7 +79,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
default:
fprintf(stderr, "%s: unknown option -- '%c'\n", argv0, c);

6
utils/chmod.cpp → utils/chmod.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
chmod.cpp
chmod.c
Change file mode bits.
*******************************************************************************/
@ -29,6 +29,7 @@
#include <error.h>
#include <fcntl.h>
#include <inttypes.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
@ -360,7 +361,8 @@ int main(int argc, char* argv[])
argv[i] = NULL;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'c': flags |= FLAG_CHANGES; break;
case 'H': symderef = SYMDEREF_ARGUMENTS; break;

6
utils/chroot.cpp → utils/chroot.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
chroot.cpp
chroot.c
Runs a process with another root directory.
*******************************************************************************/
@ -29,6 +29,7 @@
#include <fcntl.h>
#include <fsmarshall.h>
#include <signal.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -87,7 +88,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'd': devices = true; break;
default:

39
utils/chvideomode.cpp → utils/chvideomode.c
View file

@ -15,14 +15,11 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
chvideomode.cpp
chvideomode.c
Menu for changing the screen resolution.
*******************************************************************************/
#define __STDC_CONSTANT_MACROS
#define __STDC_LIMIT_MACROS
#include <sys/display.h>
#include <sys/keycodes.h>
#include <sys/termmode.h>
@ -32,6 +29,7 @@
#include <error.h>
#include <inttypes.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
@ -55,10 +53,11 @@ struct dispmsg_crtc_mode* GetAvailableModes(size_t* num_modes_ptr)
msg.msgid = DISPMSG_GET_CRTC_MODES;
msg.device = 0;
msg.connector = 0;
size_t guess = 0;
size_t guess = 1;
while ( true )
{
struct dispmsg_crtc_mode* ret = new struct dispmsg_crtc_mode[guess];
struct dispmsg_crtc_mode* ret = (struct dispmsg_crtc_mode*)
malloc(sizeof(struct dispmsg_crtc_mode) * guess);
if ( !ret )
return NULL;
msg.modes_length = guess;
@ -68,7 +67,7 @@ struct dispmsg_crtc_mode* GetAvailableModes(size_t* num_modes_ptr)
*num_modes_ptr = guess;
return ret;
}
delete[] ret;
free(ret);
if ( errno == ERANGE && guess < msg.modes_length )
{
guess = msg.modes_length;
@ -141,7 +140,7 @@ void filter_modes(struct dispmsg_crtc_mode* modes, size_t* num_modes_ptr, struct
*num_modes_ptr = out_num;
}
size_t parse_size_t(const char* str, size_t def = 0)
size_t parse_size_t(const char* str, size_t def)
{
if ( !str || !*str )
return def;
@ -152,7 +151,7 @@ size_t parse_size_t(const char* str, size_t def = 0)
return ret;
}
bool parse_bool(const char* str, bool def = false)
bool parse_bool(const char* str, bool def)
{
if ( !str || !*str )
return def;
@ -238,11 +237,11 @@ bool minmax_parameter(const char* option,
{
const char* parameter;
if ( string_parameter(option, arg, argc, argv, ip, argv0, &parameter) )
return *min_result = *max_result = parse_size_t(parameter), true;
return *min_result = *max_result = parse_size_t(parameter, 0), true;
if ( string_parameter(min_option, arg, argc, argv, ip, argv0, &parameter) )
return *min_result = parse_size_t(parameter), true;
return *min_result = parse_size_t(parameter, 0), true;
if ( string_parameter(max_option, arg, argc, argv, ip, argv0, &parameter) )
return *max_result = parse_size_t(parameter), true;
return *max_result = parse_size_t(parameter, 0), true;
return false;
}
@ -260,7 +259,7 @@ bool bool_parameter(const char* option,
{
const char* parameter;
if ( string_parameter(option, arg, argc, argv, ip, argv0, &parameter) )
return *result = parse_bool(parameter), true;
return *result = parse_bool(parameter, false), true;
return false;
}
@ -300,7 +299,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
default:
fprintf(stderr, "%s: unknown option -- '%c'\n", argv0, c);
@ -355,11 +355,14 @@ int main(int argc, char* argv[])
num_modes_display_length++;
int mode_set_error = 0;
retry_pick_mode:
size_t selection = 0;
bool decided = false;
bool first_render = true;
size_t selection;
bool decided;
bool first_render;
struct wincurpos render_at;
retry_pick_mode:
selection = 0;
decided = false;
first_render = true;
memset(&render_at, 0, sizeof(render_at));
while ( !decided )
{

4
utils/clear.cpp → utils/clear.c
View file

@ -15,14 +15,14 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
clear.cpp
clear.c
Clear the terminal screen.
*******************************************************************************/
#include <stdio.h>
int main(int /*argc*/, char* /*argv*/[])
int main(void)
{
printf("\e[H\e[2J");
fflush(stdout);

13
utils/colormake.cpp → utils/colormake.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
colormake.cpp
colormake.c
Colors the output of the make program.
*******************************************************************************/
@ -30,13 +30,14 @@
#include <string.h>
#include <unistd.h>
const int MODE_NONE = 1;
const int MODE_MAKE = 2;
const int MODE_GCC = 3;
const int MODE_GCC_MSG = 4;
static const int MODE_NONE = 1;
static const int MODE_MAKE = 2;
static const int MODE_GCC = 3;
static const int MODE_GCC_MSG = 4;
int main(int /*argc*/, char* argv[])
int main(int argc, char* argv[])
{
(void) argc;
int pipe_fds[2];
if ( pipe(pipe_fds) )
error(1, errno, "pipe");

6
utils/column.cpp → utils/column.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
column.cpp
column.c
Columnate lists.
*******************************************************************************/
@ -25,6 +25,7 @@
#include <errno.h>
#include <error.h>
#include <locale.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
@ -194,7 +195,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'c':
{

2
utils/command-not-found.cpp → utils/command-not-found.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
command-not-found.cpp
command-not-found.c
Prints a notice that the attempted command wasn't found and possibly
suggests how to install the command or suggests the proper spelling in case
of a typo.

8
utils/cp.cpp → utils/cp.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
cp.cpp
cp.c
Copy files and directories.
*******************************************************************************/
@ -27,9 +27,10 @@
#include <errno.h>
#include <error.h>
#include <fcntl.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdio.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <timespec.h>
@ -479,7 +480,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
#ifdef CP_PRETEND_TO_BE_INSTALL
case 'b': /* ignored */ break;

4
utils/date.cpp → utils/date.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
date.cpp
date.c
Print or set system date and time.
*******************************************************************************/
@ -26,7 +26,7 @@
#include <stdint.h>
#include <time.h>
int main(/*int argc, char* argv[]*/)
int main(void)
{
time_t current_time = time(NULL);

8
utils/df.cpp → utils/df.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
df.cpp
df.c
Report free disk space.
*******************************************************************************/
@ -30,12 +30,13 @@
#include <fstab.h>
#include <libgen.h>
#include <locale.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <termios.h>
#include <unistd.h>
#include <wchar.h>
__attribute__((format(printf, 1, 2)))
@ -695,7 +696,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'a': all = true; break;
case 'h': format.magformat = MAGFORMAT_HUMAN_READABLE; break;

6
utils/dirname.cpp → utils/dirname.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
dirname.cpp
dirname.c
Strip last component from file name.
*******************************************************************************/
@ -24,6 +24,7 @@
#include <error.h>
#include <libgen.h>
#include <locale.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -89,7 +90,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'z': zero = true; break;
default:

20
utils/du.cpp → utils/du.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
du.cpp
du.c
Estimate file space usage.
*******************************************************************************/
@ -25,11 +25,12 @@
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
#include <errno.h>
#include <error.h>
#include <dirent.h>
#include <fcntl.h>
#include <inttypes.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
@ -144,8 +145,8 @@ bool disk_usage_file_at(int relfd,
uintmax_t block_size,
uintmax_t* total_bytes_ptr,
uintmax_t* num_bytes_ptr,
dev_t expected_dev = 0,
mode_t* result_mode_ptr = NULL)
dev_t expected_dev,
mode_t* result_mode_ptr)
{
bool flag_all = flags & FLAG_ALL;
bool flag_is_operand = flags & FLAG_IS_OPERAND;
@ -196,7 +197,7 @@ bool disk_usage_file_at(int relfd,
uintmax_t num_bytes = S_ISBLK(st.st_mode) ?
0 :
flags & FLAG_APPARENT_SIZE ?
(uintmax_t) st.st_size :
(intmax_t) st.st_size :
st.st_blocks * 512;
if ( !S_ISDIR(st.st_mode) )
@ -340,7 +341,7 @@ bool disk_usage_files(int argc,
{
if ( !disk_usage_file_at(AT_FDCWD, ".", ".", flags | FLAG_IS_OPERAND,
symbolic_dereference, block_size, &total_bytes,
NULL) )
NULL, 0, NULL) )
success = false;
}
else for ( int i = 1; i < argc; i++ )
@ -348,7 +349,7 @@ bool disk_usage_files(int argc,
const char* path = argv[i];
if ( !disk_usage_file_at(AT_FDCWD, path, path, flags | FLAG_IS_OPERAND,
symbolic_dereference, block_size, &total_bytes,
NULL) )
NULL, 0, NULL) )
success = false;
}
@ -358,7 +359,7 @@ bool disk_usage_files(int argc,
return success;
}
static uintmax_t get_default_block_size()
static uintmax_t get_default_block_size(void)
{
uintmax_t result = 0;
if ( !result && getenv("DU_BLOCK_SIZE") )
@ -391,7 +392,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'a': flags |= FLAG_ALL; break;
case 'b': flags |= FLAG_APPARENT_SIZE, block_size = 1; break;

2
utils/echo.cpp → utils/echo.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
echo.cpp
echo.c
Write arguments to standard output.
*******************************************************************************/

8
utils/env.cpp → utils/env.c
View file

@ -15,19 +15,20 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
env.cpp
env.c
Set the environment for command invocation.
*******************************************************************************/
#include <errno.h>
#include <error.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
void clean_environment()
void clean_environment(void)
{
while ( environ[0] )
{
@ -99,7 +100,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'i': ignore_environment = true; break;
case 'u':

16
utils/expr.cpp → utils/expr.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
expr.cpp
expr.c
Evaluate expressions.
*******************************************************************************/
@ -25,6 +25,7 @@
#include <inttypes.h>
#include <locale.h>
#include <regex.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
@ -60,21 +61,21 @@ char* print_intmax_or_die(intmax_t value)
}
__attribute__((noreturn))
void syntax_error()
void syntax_error(void)
{
error(2, 0, "syntax error");
__builtin_unreachable();
}
__attribute__((noreturn))
void non_integer_argument()
void non_integer_argument(void)
{
error(2, 0, "non-integer argument");
__builtin_unreachable();
}
__attribute__((noreturn))
void division_by_zero()
void division_by_zero(void)
{
error(2, 0, "division by zero");
__builtin_unreachable();
@ -141,8 +142,9 @@ char* bool_to_boolean_value(bool b)
char* interpret_literal(char** tokens,
size_t num_tokens,
const void* = NULL)
const void* ctx)
{
(void) ctx;
if ( num_tokens != 1 )
syntax_error();
return strdup_or_die(tokens[0]);
@ -150,13 +152,13 @@ char* interpret_literal(char** tokens,
char* interpret_parentheses(char** tokens,
size_t num_tokens,
const void* = NULL)
const void* ctx)
{
if ( 2 <= num_tokens &&
strcmp(tokens[0], "(") == 0 &&
strcmp(tokens[num_tokens-1], ")") == 0 )
return interpret(tokens + 1, num_tokens - 2);
return interpret_literal(tokens, num_tokens);
return interpret_literal(tokens, num_tokens, ctx);
}
char* evaluate_and(const char* a, const char* b)

2
utils/false.cpp → utils/false.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
false.cpp
false.c
Exit with a status code indicating failure.
*******************************************************************************/

3
utils/find.cpp → utils/find.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
find.cpp
find.c
Locate files and directories.
*******************************************************************************/
@ -27,6 +27,7 @@
#include <errno.h>
#include <error.h>
#include <fcntl.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

4
utils/head.cpp → utils/head.c
View file

@ -15,10 +15,10 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
head.cpp
head.c
Output the first part of files.
*******************************************************************************/
#define HEAD
#include "tail.cpp"
#include "tail.c"

7
utils/help.cpp → utils/help.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
help.cpp
help.c
Prints a friendly message and print the names of everything in PATH.
*******************************************************************************/
@ -31,7 +31,7 @@
#include <string.h>
#include <unistd.h>
int main(int /*argc*/, char* /*argv*/[])
int main(void)
{
printf("Please enter the name of one of the following programs:\n");
@ -83,7 +83,8 @@ int main(int /*argc*/, char* /*argv*/[])
DIR* dir = opendir(dirname);
if ( !dir )
continue;
while ( struct dirent* entry = readdir(dir) )
struct dirent* entry;
while ( (entry = readdir(dir)) )
{
if ( entry->d_name[0] == '.' )
continue;

6
utils/id.cpp → utils/id.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
id.cpp
id.c
Return user identity.
*******************************************************************************/
@ -27,6 +27,7 @@
#include <grp.h>
#include <locale.h>
#include <pwd.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -100,7 +101,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'G': groups_only = true; break;
case 'g': group_only = true; break;

8
utils/kernelinfo.cpp → utils/kernelinfo.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
kernelinfo.cpp
kernelinfo.c
Prints a kernel information string.
*******************************************************************************/
@ -58,7 +58,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
default:
fprintf(stderr, "%s: unknown option -- '%c'\n", argv0, c);
@ -83,8 +84,9 @@ int main(int argc, char* argv[])
error(1, errno, "malloc");
for ( int i = 1; i < argc; i++ )
{
ssize_t ret;
retry:
ssize_t ret = kernelinfo(argv[i], buf, bufsize);
ret = kernelinfo(argv[i], buf, bufsize);
if ( ret < 0 )
{
if ( errno == EINVAL )

10
utils/kill.cpp → utils/kill.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
kill.cpp
kill.c
Terminate or signal processes.
*******************************************************************************/
@ -23,11 +23,12 @@
#include <sys/types.h>
#include <ctype.h>
#include <locale.h>
#include <errno.h>
#include <error.h>
#include <inttypes.h>
#include <locale.h>
#include <signal.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
@ -67,7 +68,7 @@ static const char* signames[128] =
};
__attribute__((constructor))
static void signames_init()
static void signames_init(void)
{
static char sigrtnames[SIGRTMAX - SIGRTMIN + 1][10];
int rtnum = SIGRTMAX - SIGRTMIN + 1;
@ -192,7 +193,8 @@ int main(int argc, char* argv[])
signal = arg + 1;
else if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'l': list = true; break;
case 's':

6
utils/ln.cpp → utils/ln.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
ln.cpp
ln.c
Create a hard or symbolic link.
*******************************************************************************/
@ -24,6 +24,7 @@
#include <error.h>
#include <fcntl.h>
#include <libgen.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -73,7 +74,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'f': force = true; break;
case 's': symbolic = true; break;

6
utils/ls.cpp → utils/ls.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
ls.cpp
ls.c
Lists directory contents.
*******************************************************************************/
@ -34,6 +34,7 @@
#include <locale.h>
#include <pwd.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
@ -915,7 +916,8 @@ int main(int argc, char** argv)
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case '1': option_column = false; break; // TODO: Semantics?
case 'a': option_all = DOTFILE_ALL; break;

20
utils/memstat.cpp → utils/memstat.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
memstat.cpp
memstat.c
Prints system memory usage information.
*******************************************************************************/
@ -25,16 +25,16 @@
#include <unistd.h>
#include <string.h>
#define BYTES 0
#define KIBI 1
#define MEBI 2
#define GIBI 3
#define TEBI 4
#define PEBI 5
#define EXBI 6
void printbytes(unsigned long long bytes)
{
const unsigned BYTES = 0;
const unsigned KIBI = 1;
const unsigned MEBI = 2;
const unsigned GIBI = 3;
const unsigned TEBI = 4;
const unsigned PEBI = 5;
const unsigned EXBI = 6;
unsigned unit = BYTES;
if ( (bytes >> 10ULL) & 1023ULL ) { unit = KIBI; }
if ( (bytes >> 20ULL) & 1023ULL ) { unit = MEBI; }
@ -63,7 +63,7 @@ void printbytes(unsigned long long bytes)
}
}
int main(int /*argc*/, char* /*argv*/[])
int main(void)
{
size_t memused = 0;
size_t memtotal = 0;

8
utils/mkdir.cpp → utils/mkdir.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
mkdir.cpp
mkdir.c
Create a directory.
*******************************************************************************/
@ -26,9 +26,10 @@
#include <errno.h>
#include <error.h>
#include <inttypes.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static bool is_octal_string(const char* str)
@ -247,7 +248,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'm':
if ( !*(modespec = arg + 1) )

6
utils/mktemp.cpp → utils/mktemp.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
mktemp.cpp
mktemp.c
Create temporary files and directories.
*******************************************************************************/
@ -25,6 +25,7 @@
#include <limits.h>
#include <locale.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -112,7 +113,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'd': directory = true; break;
case 'p':

6
utils/mv.cpp → utils/mv.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
mv.cpp
mv.c
Rename files and directories.
*******************************************************************************/
@ -26,6 +26,7 @@
#include <error.h>
#include <fcntl.h>
#include <libgen.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -109,7 +110,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'f': flags &= ~FLAG_ASK_OVERWRITE; break;
#if 0

6
utils/pager.cpp → utils/pager.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
pager.cpp
pager.c
Displays files one page at a time.
*******************************************************************************/
@ -29,6 +29,7 @@
#include <fcntl.h>
#include <ioleast.h>
#include <locale.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -654,7 +655,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'r': pager.flag_raw_control_chars = true; break;
case 'R': pager.flag_color_sequences = true; break;

5
utils/passwd.cpp → utils/passwd.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
passwd.cpp
passwd.c
Password change.
*******************************************************************************/
@ -99,7 +99,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'c':
if ( !*(cipher = arg + 1) )

6
utils/ps.cpp → utils/ps.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
ps.cpp
ps.c
Lists processes.
*******************************************************************************/
@ -27,6 +27,7 @@
#include <locale.h>
#include <psctl.h>
#include <pwd.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -99,7 +100,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'a': select_all = true; break;
case 'A': select_all = true; break;

6
utils/pstree.cpp → utils/pstree.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
pstree.cpp
pstree.c
Lists processes in a nice tree.
*******************************************************************************/
@ -26,6 +26,7 @@
#include <errno.h>
#include <locale.h>
#include <psctl.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -166,7 +167,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
default:
fprintf(stderr, "%s: unknown option -- '%c'\n", argv0, c);

11
utils/pwd.cpp → utils/pwd.c
View file

@ -15,13 +15,14 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
pwd.cpp
pwd.c
Prints the current working directory.
*******************************************************************************/
#include <errno.h>
#include <error.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -88,7 +89,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'L': physical = false; break;
case 'P': physical = true; break;
@ -116,9 +118,10 @@ int main(int argc, char* argv[])
// The get_current_dir_name function will use the PWD variable if it is
// accurate, so we'll need to unset it if it is inappropriate to use it.
if ( const char* pwd = getenv("PWD") )
const char* pwd_env;
if ( (pwd_env = getenv("PWD")) )
{
if ( physical || !is_path_absolute(pwd) )
if ( physical || !is_path_absolute(pwd_env) )
unsetenv("PWD");
}

5
utils/realpath.cpp → utils/realpath.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
realpath.cpp
realpath.c
Canonicalize filesystem paths.
*******************************************************************************/
@ -70,7 +70,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'z': eol = '\0';
default:

13
utils/rm.cpp → utils/rm.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
rm.cpp
rm.c
Remove files or directories.
*******************************************************************************/
@ -27,6 +27,7 @@
#include <errno.h>
#include <error.h>
#include <fcntl.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -87,16 +88,17 @@ bool RemoveRecursively(int dirfd, const char* full, const char* rel,
return false;
}
bool ret = true;
while ( struct dirent* entry = readdir(dir) )
struct dirent* entry;
while ( (entry = readdir(dir)) )
{
const char* name = entry->d_name;
if ( strcmp(name, ".") == 0 || strcmp(name, "..") == 0 )
continue;
char* newfull = new char[strlen(full) + 1 + strlen(entry->d_name) + 1];
char* newfull = (char*) malloc(strlen(full) + 1 + strlen(entry->d_name) + 1);
bool addslash = !full[0] || full[strlen(full)-1] != '/';
stpcpy(stpcpy(stpcpy(newfull, full), addslash ? "/" : ""), name);
bool ok = RemoveRecursively(targetfd, newfull, name, false, verbose);
delete[] newfull;
free(newfull);
rewinddir(dir);
if ( !ok ) { ret = false; break; }
}
@ -163,7 +165,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'f': force = true; break;
case 'r': recursive = true; break;

8
utils/rmdir.cpp → utils/rmdir.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
rmdir.cpp
rmdir.c
Remove an empty directory.
*******************************************************************************/
@ -24,9 +24,10 @@
#include <errno.h>
#include <error.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
@ -73,7 +74,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'p': parents = true; break;
case 'v': verbose = true; break;

6
utils/sleep.cpp → utils/sleep.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
sleep.cpp
sleep.c
Suspend execution for an interval of time.
*******************************************************************************/
@ -24,6 +24,7 @@
#include <errno.h>
#include <error.h>
#include <locale.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -215,7 +216,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
default:
fprintf(stderr, "%s: unknown option -- '%c'\n", argv0, c);

14
utils/sort.cpp → utils/sort.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
sort.cpp
sort.c
Sort, merge, or sequence check text files.
*******************************************************************************/
@ -23,6 +23,7 @@
#include <errno.h>
#include <error.h>
#include <locale.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
@ -168,7 +169,8 @@ char** read_input_stream_lines(size_t* result_num_lines,
size_t lines_used = 0;
size_t lines_length = 0;
while ( char* line = read_input_stream_line(is, delim) )
char* line;
while ( (line = read_input_stream_line(is, delim)) )
{
if ( lines_used == lines_length )
{
@ -318,7 +320,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'c': check = true; break;
case 'C': check = check_quiet = false; break;
@ -413,7 +416,7 @@ int main(int argc, char* argv[])
struct input_stream is;
memset(&is, 0, sizeof(is));
is.files = argv + 1;
is.files = (const char* const*) (argv + 1);
is.files_current = 0;
is.files_length = argc - 1;
is.result_status = true;
@ -422,7 +425,8 @@ int main(int argc, char* argv[])
{
int needed_relation = unique ? 1 : 0;
char* prev_line = NULL;
while ( char* line = read_input_stream_line(&is, delim) )
char* line;
while ( (line = read_input_stream_line(&is, delim)) )
{
if ( prev_line && compare(line, prev_line) < needed_relation )
{

6
utils/stat.cpp → utils/stat.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
stat.cpp
stat.c
Display file status.
*******************************************************************************/
@ -27,6 +27,7 @@
#include <grp.h>
#include <locale.h>
#include <pwd.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
@ -165,7 +166,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'L': dereference = true; break;
default:

21
utils/tail.cpp → utils/tail.c
View file

@ -15,19 +15,20 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
tail.cpp
tail.c
Output the last part of files.
*******************************************************************************/
#include <sys/stat.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <errno.h>
#include <error.h>
#include <ctype.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef HEAD
#define TAIL false
@ -59,10 +60,7 @@ bool processfp(const char* inputname, FILE* fp)
char** buffer = NULL;
if ( specialtrailing )
{
buffer = new char*[abslines];
memset(buffer, 0, sizeof(char*) * abslines);
}
buffer = (char**) calloc(1, sizeof(char*) * abslines);
long linenum;
for ( linenum = 0; true; linenum++ )
@ -110,7 +108,7 @@ bool processfp(const char* inputname, FILE* fp)
}
}
delete[] buffer;
free(buffer);
return true;
}
@ -158,7 +156,8 @@ int main(int argc, char* argv[])
nlinesstr = arg + 1;
else if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'n':
if ( !*(nlinesstr = arg + 1) )

2
utils/time.cpp → utils/time.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
time.cpp
time.c
Measure process running time.
*******************************************************************************/

1
utils/touch.cpp → utils/touch.c
View file

@ -20,6 +20,7 @@
#include <errno.h>
#include <fcntl.h>
#include <locale.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

6
utils/tr.cpp → utils/tr.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
tr.cpp
tr.c
Translate, squeeze and/or delete characters.
*******************************************************************************/
@ -26,6 +26,7 @@
#include <error.h>
#include <limits.h>
#include <locale.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -540,7 +541,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'c': flag_complement = true; break;
case 'C': flag_complement = true; break;

2
utils/true.cpp → utils/true.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
true.cpp
true.c
Exit with a status code indicating success.
*******************************************************************************/

14
utils/type.cpp → utils/type.c
View file

@ -15,19 +15,20 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
type.cpp
type.c
Lets you move the tty cursor around and easily issue ANSI escape codes.
*******************************************************************************/
#include <sys/keycodes.h>
#include <sys/termmode.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <error.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
static void help(FILE* fp, const char* argv0)
{
@ -57,7 +58,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
default:
fprintf(stderr, "%s: unknown option -- '%c'\n", argv0, c);

8
utils/uname.cpp → utils/uname.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
uname.cpp
uname.c
Print system information.
*******************************************************************************/
@ -25,6 +25,7 @@
#include <errno.h>
#include <error.h>
#include <limits.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
@ -90,9 +91,10 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'a': flags |= LONG_MAX; break;
case 'a': flags |= INT_MAX; break;
case 's': flags |= PRINT_KERNELNAME; break;
case 'n': flags |= PRINT_NODENAME; break;
case 'r': flags |= PRINT_KERNELREL; break;

6
utils/uniq.cpp → utils/uniq.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
uniq.cpp
uniq.c
Report or filter out repeated lines in a file
*******************************************************************************/
@ -23,6 +23,7 @@
#include <errno.h>
#include <error.h>
#include <locale.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
@ -126,7 +127,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'c': count = true; break;
case 'd': delete_singulars = true; break;

6
utils/unmount.cpp → utils/unmount.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
unmount.cpp
unmount.c
Unmount a filesystem.
*******************************************************************************/
@ -25,6 +25,7 @@
#include <errno.h>
#include <error.h>
#include <locale.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -79,7 +80,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'f': force = true; break;
case 'l': lazy = true; break;

4
utils/uptime.cpp → utils/uptime.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
uptime.cpp
uptime.c
Tell how long the system has been running.
*******************************************************************************/
@ -56,7 +56,7 @@ void PrintElement(size_t num, const char* single, const char* multiple)
prefix = ", ";
}
int main(int /*argc*/, char* /*argv*/[])
int main(void)
{
struct timespec uptime;
if ( clock_gettime(CLOCK_BOOT, &uptime) < 0 )

19
utils/wc.cpp → utils/wc.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
wc.cpp
wc.c
Counts bytes, characters, words and lines.
*******************************************************************************/
@ -28,6 +28,7 @@
#include <errno.h>
#include <error.h>
#include <locale.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
@ -35,14 +36,13 @@
#include <wchar.h>
#include <wctype.h>
const int FLAG_PRINT_NUM_BYTES = 1 << 0;
const int FLAG_PRINT_NUM_CHARACTERS = 1 << 1;
const int FLAG_PRINT_NUM_WORDS = 1 << 2;
const int FLAG_PRINT_NUM_LINES = 1 << 3;
const int FLAG_PRINT_COMPACT = 1 << 4;
#define FLAG_PRINT_NUM_BYTES (1 << 0)
#define FLAG_PRINT_NUM_CHARACTERS (1 << 1)
#define FLAG_PRINT_NUM_WORDS (1 << 2)
#define FLAG_PRINT_NUM_LINES (1 << 3)
#define FLAG_PRINT_COMPACT (1 << 4)
const int DEFAULT_FLAGS =
FLAG_PRINT_NUM_BYTES | FLAG_PRINT_NUM_WORDS | FLAG_PRINT_NUM_LINES;
#define DEFAULT_FLAGS (FLAG_PRINT_NUM_BYTES | FLAG_PRINT_NUM_WORDS | FLAG_PRINT_NUM_LINES)
struct word_count
{
@ -257,7 +257,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'c': flags |= FLAG_PRINT_NUM_BYTES; break;
case 'l': flags |= FLAG_PRINT_NUM_LINES; break;

8
utils/which.cpp → utils/which.c
View file

@ -15,7 +15,7 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
which.cpp
which.c
Locate a program in the PATH.
*******************************************************************************/
@ -26,6 +26,7 @@
#include <errno.h>
#include <error.h>
#include <fcntl.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -36,7 +37,7 @@
// as the logic in these files:
// * kernel/process.cpp
// * libc/unistd/execvpe.c
// * utils/which.cpp
// * utils/which.c
// NOTE: See comments in execvpe() for algorithmic commentary.
bool Which(const char* filename, const char* path, bool all)
@ -160,7 +161,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
case 'a': all = true; break;
default:

4
utils/xinstall.cpp → utils/xinstall.c
View file

@ -15,10 +15,10 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
xinstall.cpp
xinstall.c
Installs files into system directories.
*******************************************************************************/
#define CP_PRETEND_TO_BE_INSTALL
#include "cp.cpp"
#include "cp.c"

6
utils/yes.cpp → utils/yes.c
View file

@ -15,11 +15,12 @@
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
yes.cpp
yes.c
Repeatedly output a line.
*******************************************************************************/
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -68,7 +69,8 @@ int main(int argc, char* argv[])
break;
if ( arg[1] != '-' )
{
while ( char c = *++arg ) switch ( c )
char c;
while ( (c = *++arg) ) switch ( c )
{
default:
fprintf(stderr, "%s: unknown option -- '%c'\n", argv0, c);