char *
strerror(int errnum)
{
static char strerr[32];
return strerror_l(errnum, strerr, ARRAY_NELEMS(strerr));
}
void error_mem() {
//On libere la memoire
errno = ENOMEM;
fprintf(stderr,"%s \n", strerror_l(errno, locale));
free_predicates();
freelocale(locale);
free(path_process);
}
void process_dir(char* pathname)
{
DIR *dir = opendir(pathname);
if(dir == NULL)
fprintf(stderr,"%s: \"%s\": %s\n", program_name, pathname, strerror_l(errno, locale));
else {
++current_level;
process_path(pathname);
--current_level;
}
closedir(dir);
}
const char *nl_strerror_l(int err)
{
int errno_save = errno;
locale_t loc = newlocale(LC_MESSAGES_MASK, "", (locale_t)0);
const char *buf;
if (loc == (locale_t)0) {
if (errno == ENOENT)
loc = newlocale(LC_MESSAGES_MASK,
"POSIX", (locale_t)0);
}
if (loc != (locale_t)0) {
buf = strerror_l(err, loc);
freelocale(loc);
} else {
buf = "newlocale() failed";
}
errno = errno_save;
return buf;
}
void process_top_path(char* pathname)
{
bool free_path = false;
//On ajoute un / à la fin du pathname si il n'en contient pas déjà un
if(pathname[strlen(pathname)-1] == '/')
path_process = pathname;
else {
free_path = true;
path_process = malloc(strlen(pathname)+1);
if(path_process == NULL) {
error_mem();
exit(EXIT_FAILURE);
}
memcpy(path_process, pathname, strlen(pathname));
path_process[strlen(pathname)] = '/';
}
/*On se place dans le dossier de départ pour que les commandes suivantes comprennent
les chemins relatifs */
if(chdir(path_process) != -1) { //Si l'ouverture s'est bien passé on execute process_path
struct stat stat_file;
if(lstat(pathname, &stat_file) != -1) {
if(current_level >= mindepth)
apply_predicates(pathname, &stat_file);
if(!S_ISLNK(stat_file.st_mode))
process_path(path_process);
}
}
else {
if(errno == EACCES) { //Si l'ouveture ne s'est pas bien passé et que c'est un problème de permissions
struct stat stat_file;
if(lstat(path_process, &stat_file) != -1 && current_level >= mindepth) {
apply_predicates(pathname, &stat_file);
}
}
fprintf(stderr,"%s: \"%s\": %s\n", program_name, pathname, strerror_l(errno, locale));
}
if(free_path)
free(path_process);
}
/**
* Print error message and quit application
* @arg err Error code.
* @arg fmt Error message.
*
* Prints the formatted error message to stderr and quits the application
* using the provided error code.
*/
void nl_cli_fatal(int err, const char *fmt, ...)
{
va_list ap;
fprintf(stderr, "Error: ");
if (fmt) {
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
fprintf(stderr, "\n");
} else {
char *buf;
#ifdef HAVE_STRERROR_L
locale_t loc = newlocale(LC_MESSAGES_MASK, "", (locale_t)0);
if (loc == (locale_t)0) {
if (errno == ENOENT)
loc = newlocale(LC_MESSAGES_MASK,
"POSIX", (locale_t)0);
if (loc == (locale_t)0)
buf = "newlocale() failed";
}
if (loc != (locale_t)0)
buf = strerror_l(err, loc);
#else
buf = strerror(err);
#endif
fprintf(stderr, "%s\n", buf);
#ifdef HAVE_STRERROR_L
if (loc != (locale_t)0)
freelocale(loc);
#endif
}
exit(abs(err));
}
return p;
}
/* Hopefully thread-safe wrapper for a strerror() style function. */
char *
gf_strerror (int errnum,
char * buf __attribute__((unused)),
size_t buflen __attribute__((unused)))
{
#ifdef HAVE_STRERROR_L
locale_t myloc = newlocale (LC_CTYPE_MASK | LC_MESSAGES_MASK, "",
(locale_t) 0);
char *p = strerror_l (errnum, myloc);
freelocale (myloc);
return p;
#elif defined(HAVE_STRERROR_R)
#ifdef HAVE_USELOCALE
/* Some targets (Darwin at least) have the POSIX 2008 extended
locale functions, but not strerror_l. So reset the per-thread
locale here. */
uselocale (LC_GLOBAL_LOCALE);
#endif
/* POSIX returns an "int", GNU a "char*". */
return
__builtin_choose_expr (__builtin_classify_type (strerror_r (0, buf, 0))
== 5,
/* GNU strerror_r() */
strerror_r (errnum, buf, buflen),
void process_path(char* pathname)
{
DIR *dir = opendir(pathname);
struct dirent *file;
struct stat stat_file;
char** files_sorted = NULL;
stop_at_current_level = maxdepth >= 0 && current_level >= maxdepth;
if(sort == false) {
while((file = readdir(dir))) {
// On ne prends pas en comptes les liens '.' et '..'
if(strcmp(file->d_name, ".") != 0 && strcmp(file->d_name, "..") != 0) {
char* name = file->d_name;
int length = (strlen(name)+strlen(pathname)+2);
char* path = malloc(length);
if ( path == NULL ) {
closedir(dir);
error_mem();
exit(EXIT_FAILURE);
}
//On crée une chaine fusionnant le chemin et le fichier qu'on est en train de lire
memcpy(path, pathname, strlen(pathname));
memcpy(path+strlen(pathname), name, strlen(name));
path[length-2] = '\0';
path[length-1] = '\0';
if(lstat(path, &stat_file) != -1) {
if(current_level >= mindepth)
apply_predicates(path, &stat_file);
//Si le fichier est un dossier on lance process_dir
if(!stop_at_current_level && S_ISDIR(stat_file.st_mode) && !S_ISLNK(stat_file.st_mode)) {
path[length-2] = '/';
path[length-1] = '\0';
process_dir(path);
}
}
free(path);
}
}
}
else {
int i = 0;
while((file = readdir(dir))) {
if(strcmp(file->d_name, ".") != 0 && strcmp(file->d_name, "..") != 0) {
if(files_sorted == NULL)
files_sorted = malloc((1000)*sizeof(char*));
else if(i > 99) {
char **files_sorted_tmp = realloc(files_sorted, (i+1)*sizeof(char*));
if(files_sorted_tmp == NULL || files_sorted != files_sorted_tmp) {
closedir(dir);
error_mem();
free(files_sorted);
exit(EXIT_FAILURE);
}
files_sorted = files_sorted_tmp;
}
if ( files_sorted == NULL ) {
closedir(dir);
error_mem();
exit(EXIT_FAILURE);
}
char* name = file->d_name;
int length = (strlen(name)+strlen(pathname)+2);
files_sorted[i] = malloc(length*sizeof(char));
if ( files_sorted[i] == NULL ) {
errno = ENOMEM;
fprintf(stderr,"%s \n", strerror_l(errno, locale));
for(int j=0; j<i; j++)
free(files_sorted[j]);
free(files_sorted);
exit(EXIT_FAILURE);
}
files_sorted[i][0] = '\0';
strcat(files_sorted[i], pathname);
strcat(files_sorted[i], name);
files_sorted[i][length-2] = '\0';
files_sorted[i][length-1] = '\0';
i++;
}
}
//On trie les chemins
if(files_sorted != NULL) {
qsort(files_sorted, i, sizeof(char*), compare_pathname);
//On parcourt les chemins
for(int j=0; j<i; j++) {
if(lstat(files_sorted[j], &stat_file) != -1) {
if(current_level >= mindepth)
apply_predicates(files_sorted[j], &stat_file);
//Si le fichier est un dossier on lance process_dir
if(!stop_at_current_level && S_ISDIR(stat_file.st_mode) && !S_ISLNK(stat_file.st_mode)) {
int length = strlen(files_sorted[j]);
files_sorted[j][length] = '/';
files_sorted[j][length+1] = '\0';
process_dir(files_sorted[j]);
}
}
}
//On libere la memoire des chemins
for(int j=0; j<i; j++)
free(files_sorted[j]);
free(files_sorted);
}
}
closedir(dir);
}