Increase MAX command, and arg., length: 64 -> 256

With non-standard paths, e.g., when running `make distcheck`, the
absolute path to some commands become ridiculously long.  However,
this has been a recurring issue for some users in the past, so it
is time to increase the capabilibieies of Finit to cover this.

Yes, a better way is probably to allocate all these strings when they
are used, but that would require a redesign of the initctl API and
likely cause a lot of regressions before everything has stabilized.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

plugins/modules-load.c

@@ -101,7 +101,7 @@ static int modules_load(const char *file, int index)
 	}
 
 	while ((line = fparseln(fp, NULL, NULL, NULL, 0))) {
-		char cmd[CMD_SIZE * 2], *mod, *args, *set;
+		char cmd[CMD_SIZE], *mod, *args, *set;
 
 		/*
 		 * fparseln() skips regular UNIX comments only.

src/finit.h

@@ -60,7 +60,7 @@
 #define _PATH_SULOGIN           FINIT_EXECPATH_ "/sulogin"
 #define _PATH_GETTY             FINIT_EXECPATH_ "/getty"
 
-#define CMD_SIZE                256
+#define CMD_SIZE                1024
 #define LINE_SIZE               1024
 #define BUF_SIZE                4096
 

src/svc.h

@@ -85,6 +85,7 @@ typedef enum {
 
 #define MAX_ID_LEN       16
 #define MAX_ARG_LEN      64
+#define MAX_CMD_LEN      256
 #define MAX_IDENT_LEN    (MAX_ARG_LEN + MAX_ID_LEN + 1)
 #define MAX_STR_LEN      64
 #define MAX_COND_LEN     (MAX_ARG_LEN * 3)
@@ -118,7 +119,7 @@ typedef struct svc {
 	int            sighalt;        /* Signal to stop process, default: SIGTERM */
 	int            killdelay;      /* Delay in msec before sending SIGKILL */
 	pid_t          oldpid, pid;
-	char           pidfile[256];
+	char           pidfile[MAX_CMD_LEN];
 	long           start_time;     /* Start time, as seconds since boot, from sysinfo() */
 	int            started;	       /* Set for run/task/sysv to track if started */
 	int            status;	       /* From waitpid() when process is collected */
@@ -181,15 +182,15 @@ typedef struct svc {
 	char	       group[MAX_USER_LEN];
 
 	/* Command, arguments and service description */
-	char	       cmd[MAX_ARG_LEN];
-	char	       args[MAX_NUM_SVC_ARGS][MAX_ARG_LEN];
+	char	       cmd[MAX_CMD_LEN];
+	char	       args[MAX_NUM_SVC_ARGS][MAX_CMD_LEN];
 	int            args_dirty;
 	char           conflict[MAX_ARG_LEN];
 	char	       desc[MAX_STR_LEN];
-	char	       env[MAX_ARG_LEN];
-	char	       pre_script[MAX_ARG_LEN];
-	char	       post_script[MAX_ARG_LEN];
-	char	       ready_script[MAX_ARG_LEN];
+	char	       env[MAX_CMD_LEN];
+	char	       pre_script[MAX_CMD_LEN];
+	char	       post_script[MAX_CMD_LEN];
+	char	       ready_script[MAX_CMD_LEN];
 
 	/*
 	 * Used to forcefully kill services that won't shutdown on