#include #include #include #include #include #include #include "defines.h" extern time_t seed; extern unsigned int settings; extern unsigned int file_modifiers; int skip_hidden_files(const struct dirent *entry){ if (entry->d_name[0] == '.') { return 0; } return 1; } int skip_dot(const struct dirent *entry){ if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0) { return 0; } return 1; } int sort_natural(const void *file0, const void *file1){ if (((file*)file0)->file_type & (FILE_TYPE_SYMLINK | FILE_TYPE_DIR) && !(((file*)file1)->file_type & (FILE_TYPE_SYMLINK | FILE_TYPE_DIR))) { return -1; } if (!(((file*)file0)->file_type & (FILE_TYPE_SYMLINK | FILE_TYPE_DIR)) && ((file*)file1)->file_type & (FILE_TYPE_SYMLINK | FILE_TYPE_DIR)) { return 1; } const unsigned char *a = (unsigned char*)((file*)file0)->file_name; const unsigned char *b = (unsigned char*)((file*)file1)->file_name; long parsed_number0 = 0; long parsed_number1 = 0; char is_num = 0; char result = 0; do { is_num = 0; if ((*a >= '0') && (*a <= '9')) { parsed_number0 = 0; while((*a >= '0') && (*a <= '9')) { parsed_number0 = (parsed_number0 * 10) + (*a - '0'); a++; } is_num |= 1; } if ((*b >= '0') && (*b <= '9')) { parsed_number1 = 0; while((*b >= '0') && (*b <= '9')) { parsed_number1 = (parsed_number1 * 10) + (*b - '0'); b++; } is_num |= 2; } if (is_num) { if (is_num == 1) { if (*b < '0') { result = 1; } else { result = -1; } break; } else if (is_num == 2) { if (*a < '0') { result = -1; } else { result = 1; } break; } else { if (parsed_number0 > parsed_number1) { result = 1; break; } else if (parsed_number0 < parsed_number1) { result = -1; break; } } /* those breaks are not set here, due to the possibillity that both numbers are equal * in which case the comparison should continue */ } unsigned char aa = ((*a >= 'A') && (*a <= 'Z')) ? (*a | ' ') : *a; unsigned char bb = ((*b >= 'A') && (*b <= 'Z')) ? (*b | ' ') : *b; /*using a simple aa - bb would occasionaly cause underflows with wide chars*/ result = ((aa == bb) ? 0 : ((aa > bb) ? 1 : -1 )); a++; b++; } while (result == 0); return result; } int sort_alpha(const void *file0, const void *file1){ char *file_name0 = ((file*)file0)->file_name; char *file_name1 = ((file*)file1)->file_name; return strcmp(file_name0, file_name1); } int sort_random(const void *file0_, const void *file1_){ file *file0 = (file*)file0_; file *file1 = (file*)file1_; if (file0->file_type & (FILE_TYPE_SYMLINK | FILE_TYPE_DIR) && !(file1->file_type & (FILE_TYPE_SYMLINK | FILE_TYPE_DIR))) { return -1; } if (!(file0->file_type & (FILE_TYPE_SYMLINK | FILE_TYPE_DIR)) && file1->file_type & (FILE_TYPE_SYMLINK | FILE_TYPE_DIR)) { return 1; } int random = rand(); if (random & 1) { return 1; } else { return -1; } } int sort_type(const void *file0, const void *file1){ unsigned char file_type0 = ((file*)file0)->file_type; unsigned char file_type1 = ((file*)file1)->file_type; char *file_name0 = ((file*)file0)->file_name; char *file_name1 = ((file*)file1)->file_name; if (file_type0 == file_type1) { return strcasecmp(file_name0, file_name1); } else if (file_type0 == FILE_TYPE_DIR || file_type0 == FILE_TYPE_SYMLINK) { return -1; } else if (file_type1 == FILE_TYPE_DIR || file_type1 == FILE_TYPE_SYMLINK) { return 1; } else { if (file_type0 > file_type1) { return -1; } else if (file_type0 < file_type1) { return 1; } else { return strcasecmp(file_name0, file_name1); } } } int sort_size(const void *file0, const void *file1){ unsigned char file_type0 = ((file*)file0)->file_type; unsigned char file_type1 = ((file*)file1)->file_type; unsigned long file_size0 = ((file*)file0)->file_size; unsigned long file_size1 = ((file*)file1)->file_size; char *file_name0 = ((file*)file0)->file_name; char *file_name1 = ((file*)file1)->file_name; if (file_type0 == file_type1) { if (file_size0 > file_size1) { return -1; } else if (file_size0 < file_size1) { return 1; } else { return strcasecmp(file_name0, file_name1); } } else { if (file_type0 == FILE_TYPE_DIR || file_type0 == FILE_TYPE_SYMLINK) { return -1; } else if (file_type1 == FILE_TYPE_DIR || file_type1 == FILE_TYPE_SYMLINK) { return 1; } else { if (file_size0 > file_size1) { return -1; } else if (file_size0 < file_size1) { return 1; } else { return strcasecmp(file_name0, file_name1); } } } }