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comparison util.c @ 1696:956c1cce05e2 mame_interp

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Merge from default
author Michael Pavone <pavone@retrodev.com>
date Thu, 24 Jan 2019 19:15:59 -0800
parents ba3fb7a3be6b
children eda8df5bc74c
comparison
equal deleted inserted replaced
1648:b7ecd0d6a77b 1696:956c1cce05e2
535 return path; 535 return path;
536 } 536 }
537 537
538 dir_entry *get_dir_list(char *path, size_t *numret) 538 dir_entry *get_dir_list(char *path, size_t *numret)
539 { 539 {
540 HANDLE dir; 540 dir_entry *ret;
541 WIN32_FIND_DATA file; 541 if (path[0] == PATH_SEP[0] && !path[1]) {
542 char *pattern = alloc_concat(path, "/*.*"); 542 int drives = GetLogicalDrives();
543 dir = FindFirstFile(pattern, &file); 543 size_t count = 0;
544 free(pattern); 544 for (int i = 0; i < 26; i++)
545 if (dir == INVALID_HANDLE_VALUE) { 545 {
546 if (drives & (1 << i)) {
547 count++;
548 }
549 }
550 ret = calloc(count, sizeof(dir_entry));
551 dir_entry *cur = ret;
552 for (int i = 0; i < 26; i++)
553 {
554 if (drives & (1 << i)) {
555 cur->name = malloc(4);
556 cur->name[0] = 'A' + i;
557 cur->name[1] = ':';
558 cur->name[2] = PATH_SEP[0];
559 cur->name[3] = 0;
560 cur->is_dir = 1;
561 cur++;
562 }
563 }
546 if (numret) { 564 if (numret) {
547 *numret = 0; 565 *numret = count;
548 } 566 }
549 return NULL; 567 } else {
550 } 568 HANDLE dir;
551 569 WIN32_FIND_DATA file;
552 size_t storage = 64; 570 char *pattern = alloc_concat(path, "/*.*");
553 dir_entry *ret = malloc(sizeof(dir_entry) * storage); 571 dir = FindFirstFile(pattern, &file);
554 size_t pos = 0; 572 free(pattern);
555 573 if (dir == INVALID_HANDLE_VALUE) {
556 do { 574 if (numret) {
557 if (pos == storage) { 575 *numret = 0;
558 storage = storage * 2; 576 }
559 ret = realloc(ret, sizeof(dir_entry) * storage); 577 return NULL;
560 } 578 }
561 ret[pos].name = strdup(file.cFileName); 579
562 ret[pos++].is_dir = (file.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0; 580 size_t storage = 64;
563 } while (FindNextFile(dir, &file)); 581 ret = malloc(sizeof(dir_entry) * storage);
564 582 size_t pos = 0;
565 FindClose(dir); 583
566 if (numret) { 584 if (path[1] == ':' && (!path[2] || (path[2] == PATH_SEP[0] && !path[3]))) {
567 *numret = pos; 585 //we are in the root of a drive, add a virtual .. entry
586 //for navigating to the virtual root directory
587 ret[pos].name = strdup("..");
588 ret[pos++].is_dir = 1;
589 }
590
591 do {
592 if (pos == storage) {
593 storage = storage * 2;
594 ret = realloc(ret, sizeof(dir_entry) * storage);
595 }
596 ret[pos].name = strdup(file.cFileName);
597 ret[pos++].is_dir = (file.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0;
598 } while (FindNextFile(dir, &file));
599
600 FindClose(dir);
601 if (numret) {
602 *numret = pos;
603 }
568 } 604 }
569 return ret; 605 return ret;
570 } 606 }
571 607
572 time_t get_modification_time(char *path) 608 time_t get_modification_time(char *path)
837 873
838 #else 874 #else
839 875
840 char *read_bundled_file(char *name, uint32_t *sizeret) 876 char *read_bundled_file(char *name, uint32_t *sizeret)
841 { 877 {
842 char *exe_dir = get_exe_dir(); 878 #ifdef DATA_PATH
843 if (!exe_dir) { 879 char *data_dir = DATA_PATH;
880 #else
881 char *data_dir = get_exe_dir();
882 if (!data_dir) {
844 if (sizeret) { 883 if (sizeret) {
845 *sizeret = -1; 884 *sizeret = -1;
846 } 885 }
847 return NULL; 886 return NULL;
848 } 887 }
849 char const *pieces[] = {exe_dir, PATH_SEP, name}; 888 #endif
889 char const *pieces[] = {data_dir, PATH_SEP, name};
850 char *path = alloc_concat_m(3, pieces); 890 char *path = alloc_concat_m(3, pieces);
851 FILE *f = fopen(path, "rb"); 891 FILE *f = fopen(path, "rb");
852 free(path); 892 free(path);
853 if (!f) { 893 if (!f) {
854 if (sizeret) { 894 if (sizeret) {
889 return NULL; 929 return NULL;
890 } 930 }
891 931
892 char const *get_config_dir() 932 char const *get_config_dir()
893 { 933 {
894 return get_userdata_dir(); 934 static char* confdir;
935 if (!confdir) {
936 char const *base = get_userdata_dir();
937 if (base) {
938 confdir = alloc_concat(base, PATH_SEP "blastem");
939 }
940 }
941 return confdir;
895 } 942 }
896 #define CONFIG_PREFIX "" 943 #define CONFIG_PREFIX ""
897 #define SAVE_PREFIX "" 944 #define SAVE_PREFIX ""
898 945
899 #else 946 #else