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#include <dirent.h>
#include <lib/dir.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
// Is directory
bool_t is_directory(char *dirname) {
struct stat st;
if (stat(dirname, &st) == 0) {
if (S_ISDIR(st.st_mode)) {
return TRUE;
}
}
return FALSE;
}
// List directory
char **list_directory(char *dirname) {
DIR *d;
struct dirent *dir;
d = opendir(dirname);
char **file_names = (char **)malloc(sizeof(char *));
if (file_names == NULL) {
return NULL;
}
file_names[0] = NULL;
size_t file_count = 0;
if (d) {
while ((dir = readdir(d)) != NULL) {
if (dir->d_type == DT_REG) {
// When a regular file is reached
/// Create space for it in the list
char **temp =
realloc(file_names, (file_count + 1 + 1) * sizeof(char *));
if (temp == NULL) {
for (size_t file_idx = 0; file_idx < file_count; file_idx++) {
free(file_names[file_idx]);
}
return NULL;
}
file_names = temp;
/// Create space for the name
file_names[file_count] =
calloc(strlen(dir->d_name) + 1, sizeof(char));
if (file_names[file_count] == NULL) {
for (size_t file_idx = 0; file_idx < file_count; file_idx++) {
free(file_names[file_idx]);
}
return NULL;
}
/// Copy the name
strcpy(file_names[file_count], dir->d_name);
/// Mark the end of the file list with a NULL entry
file_names[++file_count] = NULL;
}
}
return file_names;
}
return NULL;
}
// Get full path
char *full_path(char *dir, char *file) {
char *fpath = NULL;
size_t dir_len = strlen(dir);
size_t file_len = strlen(file);
fpath = (char *)calloc(dir_len + file_len + 2, sizeof(char));
if (fpath == NULL) {
return NULL;
}
strcpy(fpath, dir);
strcpy(fpath + dir_len + 1, file);
fpath[dir_len] = '/';
return fpath;
}
// Determines if file name has tif file extension
bool_t is_tif_ext(char *file_name) {
size_t file_len = strlen(file_name);
if ((file_name[file_len - 3] == 't') && (file_name[file_len - 2] == 'i') &&
(file_name[file_len - 1] == 'f')) {
return TRUE;
}
return FALSE;
}
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