Signed-off-by: Marek Lindner lindner_marek@yahoo.de --- debug.c | 4 ---- functions.c | 24 +++++++++++++++++++++++- sys.c | 3 --- 3 files changed, 23 insertions(+), 8 deletions(-)

diff --git a/debug.c b/debug.c index 155f499..928f81d 100644 --- a/debug.c +++ b/debug.c @@ -185,9 +185,5 @@ int log_print(char *mesh_iface, int argc, char **argv)

debugfs_make_path(DEBUG_BATIF_PATH_FMT "/", mesh_iface, full_path, sizeof(full_path)); res = read_file(full_path, DEBUG_LOG, read_opt, 0, 0); - - if ((res != EXIT_SUCCESS) && (errno == ENOENT)) - printf("To read the debug log you need to compile the module with debugging enabled (see the README)\n"); - return res; } diff --git a/functions.c b/functions.c index 69a1385..8ce2419 100644 --- a/functions.c +++ b/functions.c @@ -35,11 +35,19 @@ #include "main.h" #include "functions.h" #include "bat-hosts.h" +#include "sys.h"

static struct timeval start_time; static char *host_name; char *line_ptr = NULL;

+const char *sysfs_compile_out_param[] = { + SYS_LOG, + SYS_LOG_LEVEL, + SYS_BRIDGE_LOOP_AVOIDANCE, + NULL, +}; + void start_timer(void) { gettimeofday(&start_time, NULL); @@ -125,6 +133,7 @@ int read_file(char *dir, char *fname, int read_opt, struct bat_host *bat_host; int res = EXIT_FAILURE; float last_seen; + const char **ptr; char full_path[500], *buff_ptr, *space_ptr, extra_char; size_t len = 0; FILE *fp = NULL; @@ -145,8 +154,21 @@ open: fp = fopen(full_path, "r");

if (!fp) { - if (!(read_opt & SILENCE_ERRORS)) + if (!(read_opt & SILENCE_ERRORS)) { + for (ptr = sysfs_compile_out_param; *ptr; ptr++) { + if (strcmp(*ptr, fname) != 0) + continue; + + break; + } + printf("Error - can't open file '%s': %s\n", full_path, strerror(errno)); + if (*ptr) { + printf("The option you called seems not to be compiled into your batman-adv kernel module.\n"); + printf("Consult the README if you wish to learn more about compiling options into batman-adv.\n"); + } + } + goto out; }

diff --git a/sys.c b/sys.c index 6cf4714..fbc8762 100644 --- a/sys.c +++ b/sys.c @@ -255,9 +255,6 @@ int handle_loglevel(char *mesh_iface, int argc, char **argv) "messages related to bridge loop avoidance", "bla");

out: - if (errno == ENOENT) - printf("To increase the log level you need to compile the module with debugging enabled (see the README)\n"); - free(path_buff); return res; }