Update code style

Limit source code to 80 chars, and declare functions return type and
modifiers on a separate line.

This allows to avoid very long lines, and all function names are
aligned.

(We do this on VLC, and I like it.)

app/src/sys/unix/command.c

@@ -11,7 +11,8 @@
 #include <unistd.h>
 #include "log.h"
 
-enum process_result cmd_execute(const char *path, const char *const argv[], pid_t *pid) {
+enum process_result
+cmd_execute(const char *path, const char *const argv[], pid_t *pid) {
     int fd[2];
 
     if (pipe(fd) == -1) {
@@ -72,15 +73,18 @@ end:
     return ret;
 }
 
-SDL_bool cmd_terminate(pid_t pid) {
+SDL_bool
+cmd_terminate(pid_t pid) {
     if (pid <= 0) {
-        LOGC("Requested to kill %d, this is an error. Please report the bug.\n", (int) pid);
+        LOGC("Requested to kill %d, this is an error. Please report the bug.\n",
+             (int) pid);
         abort();
     }
     return kill(pid, SIGTERM) != -1;
 }
 
-SDL_bool cmd_simple_wait(pid_t pid, int *exit_code) {
+SDL_bool
+cmd_simple_wait(pid_t pid, int *exit_code) {
     int status;
     int code;
     if (waitpid(pid, &status, 0) == -1 || !WIFEXITED(status)) {

app/src/sys/unix/net.c

@@ -2,15 +2,18 @@
 
 # include <unistd.h>
 
-SDL_bool net_init(void) {
+SDL_bool
+net_init(void) {
     // do nothing
     return SDL_TRUE;
 }
 
-void net_cleanup(void) {
+void
+net_cleanup(void) {
     // do nothing
 }
 
-SDL_bool net_close(socket_t socket) {
+SDL_bool
+net_close(socket_t socket) {
     return !close(socket);
 }

app/src/sys/win/command.c

@@ -4,7 +4,8 @@
 #include "log.h"
 #include "str_util.h"
 
-static int build_cmd(char *cmd, size_t len, const char *const argv[]) {
+static int
+build_cmd(char *cmd, size_t len, const char *const argv[]) {
     // Windows command-line parsing is WTF:
     // <http://daviddeley.com/autohotkey/parameters/parameters.htm#WINPASS>
     // only make it work for this very specific program
@@ -17,7 +18,8 @@ static int build_cmd(char *cmd, size_t len, const char *const argv[]) {
     return 0;
 }
 
-enum process_result cmd_execute(const char *path, const char *const argv[], HANDLE *handle) {
+enum process_result
+cmd_execute(const char *path, const char *const argv[], HANDLE *handle) {
     STARTUPINFOW si;
     PROCESS_INFORMATION pi;
     memset(&si, 0, sizeof(si));
@@ -40,7 +42,8 @@ enum process_result cmd_execute(const char *path, const char *const argv[], HAND
 #else
     int flags = 0;
 #endif
-    if (!CreateProcessW(NULL, wide, NULL, NULL, FALSE, flags, NULL, NULL, &si, &pi)) {
+    if (!CreateProcessW(NULL, wide, NULL, NULL, FALSE, flags, NULL, NULL, &si,
+                        &pi)) {
         free(wide);
         *handle = NULL;
         if (GetLastError() == ERROR_FILE_NOT_FOUND) {
@@ -54,13 +57,16 @@ enum process_result cmd_execute(const char *path, const char *const argv[], HAND
     return PROCESS_SUCCESS;
 }
 
-SDL_bool cmd_terminate(HANDLE handle) {
+SDL_bool
+cmd_terminate(HANDLE handle) {
     return TerminateProcess(handle, 1) && CloseHandle(handle);
 }
 
-SDL_bool cmd_simple_wait(HANDLE handle, DWORD *exit_code) {
+SDL_bool
+cmd_simple_wait(HANDLE handle, DWORD *exit_code) {
     DWORD code;
-    if (WaitForSingleObject(handle, INFINITE) != WAIT_OBJECT_0 || !GetExitCodeProcess(handle, &code)) {
+    if (WaitForSingleObject(handle, INFINITE) != WAIT_OBJECT_0
+            || !GetExitCodeProcess(handle, &code)) {
         // cannot wait or retrieve the exit code
         code = -1; // max value, it's unsigned
     }

app/src/sys/win/net.c

@@ -2,7 +2,8 @@
 
 #include "log.h"
 
-SDL_bool net_init(void) {
+SDL_bool
+net_init(void) {
     WSADATA wsa;
     int res = WSAStartup(MAKEWORD(2, 2), &wsa) < 0;
     if (res < 0) {
@@ -12,10 +13,12 @@ SDL_bool net_init(void) {
     return SDL_TRUE;
 }
 
-void net_cleanup(void) {
+void
+net_cleanup(void) {
     WSACleanup();
 }
 
-SDL_bool net_close(socket_t socket) {
+SDL_bool
+net_close(socket_t socket) {
     return !closesocket(socket);
 }