Code cleanup

Signed-off-by: Adrien Gallouët <adrien@gallouet.fr>

src/bench.c

@@ -1,11 +1,10 @@
 #include "common.h"
 
-#include <sodium.h>
-#include <string.h>
-#include <stdio.h>
-#include <time.h>
-#include <unistd.h>
 #include <inttypes.h>
+#include <sodium.h>
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
 
 #include "../argz/argz.h"
 #include "../mud/aegis256/aegis256.h"
@@ -60,7 +59,7 @@ gt_bench(int argc, char **argv)
     for (int i = 0; !gt_quit && size <= 1450; i++) {
         struct {
             int64_t min, mean, max, n;
-        } mbps = { .n = 0 };
+        } mbps = {.n = 0};
 
         int64_t bytes_max = (int64_t)1 << 24;
 

src/bind.c

@@ -2,11 +2,9 @@
 #include "ctl.h"
 #include "iface.h"
 #include "ip.h"
-#include "str.h"
 #include "tun.h"
 
 #include <fcntl.h>
-#include <stdio.h>
 #include <sys/select.h>
 
 #include "../argz/argz.h"
@@ -103,8 +101,8 @@ gt_setup_mtu(struct mud *mud, size_t old, const char *tun_name)
 int
 gt_bind(int argc, char **argv)
 {
-    struct sockaddr_storage bind_addr = { .ss_family = AF_INET };
+    struct sockaddr_storage bind_addr = {.ss_family = AF_INET};
-    struct sockaddr_storage peer_addr = { 0 };
+    struct sockaddr_storage peer_addr = {0};
     unsigned short bind_port = 5000;
     unsigned short peer_port = bind_port;
     const char *dev = NULL;
@@ -128,7 +126,7 @@ gt_bind(int argc, char **argv)
     if (argz(bindz, argc, argv))
         return 1;
 
-    if (str_empty(keyfile)) {
+    if (EMPTY(keyfile)) {
         gt_log("a keyfile is needed!\n");
         return 1;
     }
@@ -232,7 +230,7 @@ gt_bind(int argc, char **argv)
 
         FD_SET(ctl_fd, &rfds);
 
-        struct timeval tv = { 0 };
+        struct timeval tv = {0};
         int update = mud_update(mud);
 
         if (update >= 0) {
@@ -321,8 +319,7 @@ gt_bind(int argc, char **argv)
                     res.status.bind = bind_addr;
                     res.status.peer = peer_addr;
                     break;
-                case CTL_PATH_STATUS:
+                case CTL_PATH_STATUS: {
-                    {
                     unsigned count = 0;
                     struct mud_path *paths = mud_get_paths(mud, &count);
 
@@ -342,8 +339,7 @@ gt_bind(int argc, char **argv)
 
                     free(paths);
                     res.ret = 0;
-                    }
+                } break;
-                    break;
                 case CTL_BAD:
                     if (mud_get_bad(mud, &res.bad))
                         res.ret = errno;

src/common.h

@@ -4,16 +4,17 @@
 #define _GNU_SOURCE
 #endif
 
-#include <stdlib.h>
+#include <errno.h>
+#include <signal.h>
 #include <stdint.h>
+#include <stdlib.h>
+#include <stddef.h>
 #include <string.h>
 #include <unistd.h>
-#include <signal.h>
-#include <errno.h>
 
 #include <arpa/inet.h>
-#include <sys/socket.h>
 #include <netinet/in.h>
+#include <sys/socket.h>
 
 #ifndef PACKAGE_NAME
 #define PACKAGE_NAME "glorytun"
@@ -23,34 +24,26 @@
 #define PACKAGE_VERSION "0.0.0"
 #endif
 
-#define COUNT(x)       (sizeof(x)/sizeof(x[0]))
+#define COUNT(x) (sizeof(x) / sizeof(x[0]))
-
-#define ALIGN_SIZE     (1<<4)
-#define ALIGN_MASK     (ALIGN_SIZE-1)
-
-#define ALIGN(x)       (((x)+ALIGN_MASK)&~ALIGN_MASK)
-#define ALIGN_DOWN(x)  ((x)&~ALIGN_MASK)
-
-#define PALIGN(x)      ((void *)ALIGN((size_t)(x)))
-#define PALIGN_DOWN(x) ((void *)ALIGN_DOWN((size_t)(x)))
 
 #define _1_(x) (__builtin_expect((x), 1))
 #define _0_(x) (__builtin_expect((x), 0))
-
 #define CLZ(x) (__builtin_clz(x))
 
-#define _printf_(A,B)  __attribute__ ((format(printf,A,B)))
+#define _printf_(A, B) __attribute__((format(printf, A, B)))
-#define _noreturn_     __attribute__ ((noreturn))
+#define _noreturn_     __attribute__((noreturn))
-#define _unused_       __attribute__ ((unused))
+#define _unused_       __attribute__((unused))
-#define _pure_         __attribute__ ((pure))
+#define _pure_         __attribute__((pure))
-#define _const_        __attribute__ ((const))
+#define _const_        __attribute__((const))
-#define _align_(...)   __attribute__ ((aligned(__VA_ARGS__)))
+#define _align_(...)   __attribute__((aligned(__VA_ARGS__)))
 
 #undef MAX
-#define MAX(x,y) ({ __typeof__(x) X=(x); __typeof__(y) Y=(y); X > Y ? X : Y; })
+#define MAX(x, y) ({ __typeof__(x) X=(x); __typeof__(y) Y=(y); X > Y ? X : Y; })
 
 #undef MIN
-#define MIN(x,y) ({ __typeof__(x) X=(x); __typeof__(y) Y=(y); X < Y ? X : Y; })
+#define MIN(x, y) ({ __typeof__(x) X=(x); __typeof__(y) Y=(y); X < Y ? X : Y; })
+
+#define EMPTY(x) ({ __typeof__(x) X=(x); !X || !X[0]; })
 
 #define GT_CIPHER(x) ((x) ? "chacha20poly1305" : "aegis256")
 
@@ -58,14 +51,15 @@ extern volatile sig_atomic_t gt_alarm;
 extern volatile sig_atomic_t gt_reload;
 extern volatile sig_atomic_t gt_quit;
 
-int  gt_print (const char *, ...) _printf_(1,2);
+int  gt_print (const char *, ...) _printf_(1, 2);
-void gt_log   (const char *, ...) _printf_(1,2);
+void gt_log   (const char *, ...) _printf_(1, 2);
 
 int gt_tohex   (char *, size_t, const uint8_t *, size_t);
 int gt_fromhex (uint8_t *, size_t, const char *, size_t);
 
 void     gt_set_port (struct sockaddr *, uint16_t);
 uint16_t gt_get_port (struct sockaddr *);
+
 int gt_toaddr (char *, size_t, struct sockaddr *);
 
 int gt_list    (int, char **);
@@ -75,3 +69,4 @@ int gt_path   (int, char **);
 int gt_keygen  (int, char **);
 int gt_bench   (int, char **);
 int gt_set     (int, char **);
+int gt_version (int, char **);

src/ctl.c

@@ -1,13 +1,9 @@
-#include "common.h"
 #include "ctl.h"
-#include "str.h"
+#include "common.h"
 
-#include <stdio.h>
-#include <unistd.h>
 #include <dirent.h>
 #include <libgen.h>
-#include <sys/socket.h>
+#include <stdio.h>
-#include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/un.h>
 
@@ -87,10 +83,10 @@ ctl_setsun(struct sockaddr_un *dst, const char *dir, const char *file)
 static int
 ctl_bind(int fd, const char *dir, const char *file)
 {
-    char name[10] = { [0] = '.' };
+    char name[10] = {[0] = '.'};
     struct sockaddr_un sun;
 
-    if (str_empty(file)) {
+    if (EMPTY(file)) {
         unsigned pid = (unsigned)getpid();
 
         for (size_t i = 1; i < sizeof(name) - 1; i++, pid >>= 4)
@@ -111,7 +107,7 @@ ctl_bind(int fd, const char *dir, const char *file)
 void
 ctl_delete(int fd)
 {
-    struct sockaddr_storage ss = { 0 };
+    struct sockaddr_storage ss = {0};
     socklen_t sslen = sizeof(ss);
 
     if ((getsockname(fd, (struct sockaddr *)&ss, &sslen) == 0) &&

src/iface.c

@@ -1,8 +1,8 @@
-#include "common.h"
 #include "iface.h"
+#include "common.h"
 
-#include <stdio.h>
 #include <net/if.h>
+#include <stdio.h>
 #include <sys/ioctl.h>
 
 int

src/iface.h

@@ -1,3 +1,5 @@
 #pragma once
 
+#include <stddef.h>
+
 int iface_set_mtu (const char *, size_t);

src/list.c

@@ -3,10 +3,8 @@
 
 #include "../argz/argz.h"
 
-#include <stdio.h>
 #include <dirent.h>
-#include <unistd.h>
+#include <stdio.h>
-#include <sys/un.h>
 
 int
 gt_list(int argc, char **argv)

src/main.c

@@ -1,7 +1,5 @@
 #include "common.h"
-#include "str.h"
 
-#include <sodium.h>
 #include <stdio.h>
 
 #include "../argz/argz.h"
@@ -46,28 +44,6 @@ gt_set_signal(void)
     sigaction(SIGUSR2, &sa, NULL);
 }
 
-static int
-gt_version(int argc, char **argv)
-{
-    struct argz version_argz[] = {
-        {"libsodium", NULL, NULL, argz_option},
-        {NULL}};
-
-    if (argz(version_argz, argc, argv))
-        return 1;
-
-    if (argz_is_set(version_argz, "libsodium")) {
-        printf("%i.%i (%s)\n",
-                sodium_library_version_major(),
-                sodium_library_version_minor(),
-                sodium_version_string());
-    } else {
-        printf("%s\n", PACKAGE_VERSION);
-    }
-
-    return 0;
-}
-
 int
 main(int argc, char **argv)
 {
@@ -90,7 +66,7 @@ main(int argc, char **argv)
 
     if (argv[1]) {
         for (int k = 0; cmd[k].name; k++) {
-            if (!str_cmp(cmd[k].name, argv[1]))
+            if (!strcmp(cmd[k].name, argv[1]))
                 return cmd[k].call(argc - 1, argv + 1);
         }
     }
@@ -100,7 +76,7 @@ main(int argc, char **argv)
     int len = 0;
 
     for (int k = 0; cmd[k].name; k++)
-        len = MAX(len, (int)str_len(cmd[k].name, 32));
+        len = MAX(len, (int)strlen(cmd[k].name));
 
     for (int k = 0; cmd[k].name; k++)
         printf("    %-*s    %s\n", len, cmd[k].name, cmd[k].help);

src/path.c

@@ -1,10 +1,7 @@
 #include "common.h"
 #include "ctl.h"
-#include "str.h"
 
 #include <stdio.h>
-#include <sys/socket.h>
-#include <unistd.h>
 
 #include "../argz/argz.h"
 

src/set.c

@@ -1,9 +1,7 @@
 #include "common.h"
 #include "ctl.h"
-#include "str.h"
 
 #include <stdio.h>
-#include <sys/socket.h>
 
 #include "../argz/argz.h"
 

src/show.c

@@ -1,15 +1,9 @@
 #include "common.h"
 #include "ctl.h"
-#include "str.h"
 
 #include "../argz/argz.h"
 
 #include <stdio.h>
-#include <sys/socket.h>
-#include <dirent.h>
-#include <sys/un.h>
-#include <arpa/inet.h>
-#include <unistd.h>
 
 static void
 gt_show_bad_line(int term, char *name, uint64_t count,

src/str.h

@@ -1,33 +0,0 @@
-#pragma once
-
-#include "common.h"
-
-_pure_ static inline int
-str_empty(const char *restrict str)
-{
-    return !str || !str[0];
-}
-
-_pure_ static inline size_t
-str_cmp(const char *restrict sa, const char *restrict sb)
-{
-    if (!sa || !sb)
-        return 1;
-
-    size_t i = 0;
-
-    while (sa[i] == sb[i])
-        if (!sa[i++])
-            return 0;
-
-    return i + 1;
-}
-
-_pure_ static inline size_t
-str_len(const char *restrict str, size_t len)
-{
-    if (!str)
-        return 0;
-
-    return strnlen(str, len);
-}

src/tun.c

@@ -1,14 +1,13 @@
+#include "tun.h"
 #include "common.h"
 #include "ip.h"
-#include "str.h"
-#include "tun.h"
 
 #include <fcntl.h>
+#include <net/if.h>
 #include <stdio.h>
 #include <sys/ioctl.h>
 #include <sys/socket.h>
 #include <sys/uio.h>
-#include <net/if.h>
 
 #ifdef __linux__
 #define IFF_TUN 0x0001
@@ -172,7 +171,7 @@ tun_create(char *name, size_t len, const char *dev_name)
 {
     int fd = -1;
 
-    if (str_empty(dev_name)) {
+    if (EMPTY(dev_name)) {
         for (unsigned id = 0; id < 32 && fd == -1; id++)
             fd = tun_create_by_id(name, len, id);
     } else {

src/tun.h

@@ -1,5 +1,7 @@
 #pragma once
 
+#include <stddef.h>
+
 int tun_create      (char *, size_t, const char *);
 int tun_read        (int, void *, size_t);
 int tun_write       (int, const void *, size_t);

src/version.c

@@ -0,0 +1,27 @@
+#include "common.h"
+
+#include <sodium.h>
+
+#include "../argz/argz.h"
+
+int
+gt_version(int argc, char **argv)
+{
+    struct argz version_argz[] = {
+        {"libsodium", NULL, NULL, argz_option},
+        {NULL}};
+
+    if (argz(version_argz, argc, argv))
+        return 1;
+
+    if (argz_is_set(version_argz, "libsodium")) {
+        printf("%i.%i (%s)\n",
+               sodium_library_version_major(),
+               sodium_library_version_minor(),
+               sodium_version_string());
+    } else {
+        printf("%s\n", PACKAGE_VERSION);
+    }
+
+    return 0;
+}