refactor and add su

1 files changed, 8 insertions, 8 deletions

diff --git a/command/ls.c b/command/ls.c
index bbfedfb..d4d19c1 100644
--- a/command/ls.c
+++ b/command/ls.c
@@ -66,9 +66,9 @@ static DIR* get_directory(char* path) {
     DIR* d = opendir(path);
     if (d == NULL) {
         if (errno == ENOTDIR) {
-            error_s("`%s` is a a file\n", path);
+            error_s("`%s` is a a file", path);
         } else {
-            error_s("failed to open directory '%s': %s\n", path, strerror(errno));
+            error_s("failed to open directory '%s'", path);
         }
     }
     return d;
@@ -90,7 +90,7 @@ static bool get_file_info(const char* file_name, struct FileInfo* info) {
     save = push_path_buffer(file_name);
 
     if (lstat(get_path_buffer(), &s) < 0) {
-        error_s("failed to read file '%s': %s\n", get_path_buffer(), strerror(errno));
+        error_s("failed to read file '%s'", get_path_buffer());
         pop_path_buffer(save);
         return false;
     }
@@ -199,7 +199,7 @@ static bool get_file_info(const char* file_name, struct FileInfo* info) {
     info->type = ty;
 
     file_len = strlen(file_name) + 1;
-    info->name = malloc(file_len);
+    info->name = xalloc(file_len);
     memcpy(info->name, file_name, file_len);
 
     print_file_size(s.st_size, info->size);
@@ -340,7 +340,7 @@ static void push_file(
 
     if (*size == *capacity) {
         *capacity *= 2;
-        *files = realloc(*files, sizeof(struct FileInfo) * *capacity);
+        *files = xrealloc(*files, sizeof(struct FileInfo) * *capacity);
     }
     
     user_len = strlen(finfo.usr->pw_name);
@@ -382,7 +382,7 @@ static void recurse_directory(char* dir_name) {
     capacity = 8;
     size = 0;
     
-    files = malloc(sizeof(struct FileInfo) * capacity);
+    files = xalloc(sizeof(struct FileInfo) * capacity);
     memset(&info, 0, sizeof(struct FileListInfo));
 
     while((file = readdir(d)) != NULL) {
@@ -434,7 +434,7 @@ static void list_directory(char* path) {
     capacity = 8;
     size = 0;
     
-    files = malloc(sizeof(struct FileInfo) * capacity);
+    files = xalloc(sizeof(struct FileInfo) * capacity);
     memset(&info, 0, sizeof(struct FileListInfo));
     
     while ((file = readdir(d)) != NULL) {
@@ -466,7 +466,7 @@ static void list_file_args(int start, int argc, char** argv) {
     capacity = 8;
     size = 0;
     
-    files = malloc(sizeof(struct FileInfo) * capacity);
+    files = xalloc(sizeof(struct FileInfo) * capacity);
     memset(&info, 0, sizeof(struct FileListInfo));
     
     for (i = start; i < argc; i++) {