diff options
Diffstat (limited to 'util.c')
| -rw-r--r-- | util.c | 88 |
1 files changed, 82 insertions, 6 deletions
@@ -204,6 +204,50 @@ void bin_to_hex(uint8_t *output, uint8_t *input, uint64_t size) *(output++) = 0; } +char *utf16be_to_utf8(uint8_t *buf, uint32_t max_size) +{ + uint8_t *cur = buf; + uint32_t converted_size = 0; + for (uint32_t i = 0; i < max_size; i++, cur+=2) + { + uint16_t code = *cur << 16 | cur[1]; + if (!code) { + break; + } + if (code < 0x80) { + converted_size++; + } else if (code < 0x800) { + converted_size += 2; + } else { + //TODO: Deal with surrogate pairs + converted_size += 3; + } + } + char *out = malloc(converted_size + 1); + char *cur_out = out; + cur = buf; + for (uint32_t i = 0; i < max_size; i++, cur+=2) + { + uint16_t code = *cur << 16 | cur[1]; + if (!code) { + break; + } + if (code < 0x80) { + *(cur_out++) = code; + } else if (code < 0x800) { + *(cur_out++) = 0xC0 | code >> 6; + *(cur_out++) = 0x80 | (code & 0x3F); + } else { + //TODO: Deal with surrogate pairs + *(cur_out++) = 0xF0 | code >> 12; + *(cur_out++) = 0x80 | (code >> 6 & 0x3F); + *(cur_out++) = 0x80 | (code & 0x3F); + } + } + *cur_out = 0; + return out; +} + char is_path_sep(char c) { #ifdef _WIN32 @@ -250,11 +294,11 @@ char * basename_no_extension(char *path) return barename; } -char *path_extension(char *path) +char *path_extension(char const *path) { - char *lastdot = NULL; - char *lastslash = NULL; - char *cur; + char const *lastdot = NULL; + char const *lastslash = NULL; + char const *cur; for (cur = path; *cur; cur++) { if (*cur == '.') { @@ -270,6 +314,22 @@ char *path_extension(char *path) return strdup(lastdot+1); } +uint8_t path_matches_extensions(char *path, char **ext_list, uint32_t num_exts) +{ + char *ext = path_extension(path); + if (!ext) { + return 0; + } + uint32_t extidx; + for (extidx = 0; extidx < num_exts; extidx++) + { + if (!strcasecmp(ext, ext_list[extidx])) { + return 1; + } + } + return 0; +} + char * path_dirname(char *path) { char *lastslash = NULL; @@ -489,7 +549,7 @@ time_t get_modification_time(char *path) return (time_t)wintime; } -int ensure_dir_exists(char *path) +int ensure_dir_exists(const char *path) { if (CreateDirectory(path, NULL)) { return 1; @@ -643,7 +703,7 @@ time_t get_modification_time(char *path) #endif } -int ensure_dir_exists(char *path) +int ensure_dir_exists(const char *path) { struct stat st; if (stat(path, &st)) { @@ -680,6 +740,22 @@ void free_dir_list(dir_entry *list, size_t numentries) free(list); } +static int sort_dir_alpha(const void *a, const void *b) +{ + const dir_entry *da, *db; + da = a; + db = b; + if (da->is_dir != db->is_dir) { + return db->is_dir - da->is_dir; + } + return strcasecmp(((dir_entry *)a)->name, ((dir_entry *)b)->name); +} + +void sort_dir_list(dir_entry *list, size_t num_entries) +{ + qsort(list, num_entries, sizeof(dir_entry), sort_dir_alpha); +} + #ifdef __ANDROID__ #include <SDL.h> |