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c9e78fd810
GPG key ID:
3AC50A6F47D1B722
381 changed files with 37141 additions and 0 deletions
162
files.h
Normal file
162
files.h
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uint file_read_hdr(byte **data, const char *filename, const char *hdr, uint hdrsize, byte flags) {
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int err;
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FILE *fd = fopen(filename, "rb");
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if(fd == NULL) {
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err = errno;
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if(err != ENOENT || !(flags & FILE_FLAG_IGNMISS))
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loge(LOG_IO, STR_FILE_OPENERR, filename, strerror(err), err);
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return 0;
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}
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if(fseek(fd, 0L, SEEK_END)) {
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err = errno;
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loge(LOG_IO, STR_FILE_EGEN, filename, strerror(err), err);
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fclose(fd);
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return 0;
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}
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long size = ftell(fd);
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if(size < 0L) {
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err = errno;
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loge(LOG_IO, STR_FILE_EGEN, filename, strerror(err), err);
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fclose(fd);
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return 0;
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}
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if(fseek(fd, 0L, SEEK_SET)) {
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err = errno;
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loge(LOG_IO, STR_FILE_EGEN, filename, strerror(err), err);
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fclose(fd);
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return 0;
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}
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if(!size) {
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if(!(flags & FILE_FLAG_IGNEMPTY))
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loge(LOG_IO, STR_FILE_EEMPTY, filename);
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fclose(fd);
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if((flags & FILE_FLAG_IGNEMPTY) && (flags & FILE_FLAG_STRING)) {
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*data = mem_alloc(1, MEM_FILE);
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(*data)[0] = 0;
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return 1;
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}
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return 0;
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}
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if(size < hdrsize) {
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loge(LOG_IO, STR_FILE_ESHORT, filename);
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fclose(fd);
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return 0;
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}
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*data = mem_alloc(size + ((flags & FILE_FLAG_STRING) ? 1 : 0), MEM_FILE);
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if(hdrsize > 0) {
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if(fread(*data, 1, hdrsize, fd) != hdrsize) {
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err = feof(fd);
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loge(LOG_IO, err == 0 ? STR_FILE_EIO : STR_FILE_EEOF, filename);
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fclose(fd);
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mem_free(*data);
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return 0;
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}
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if(memcmp(*data, hdr, hdrsize) != 0) {
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loge(LOG_IO, STR_FILE_EMFHDR, filename);
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fclose(fd);
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mem_free(*data);
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return 0;
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}
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}
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if(fread(&((*data)[hdrsize]), 1, size-hdrsize, fd) != size) {
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err = feof(fd);
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loge(LOG_IO, err == 0 ? STR_FILE_EIO : STR_FILE_EEOF, filename);
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fclose(fd);
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mem_free(*data);
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return 0;
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}
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fclose(fd);
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if(flags & FILE_FLAG_STRING)
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(*data)[size] = 0;
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return size;
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}
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byte file_has_ext(const char *file, const char **exts, int n_exts) {
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int len = strlen(file);
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int extlen;
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for(int extidx = 0; extidx < n_exts; extidx++) {
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extlen = strlen(exts[extidx]);
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if(len < extlen + 2)
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continue;
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if((file[len - (extlen + 1)] == '.') && str_eq_lower(exts[extidx], &file[len - extlen]))
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return 1;
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}
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return 0;
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}
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const char **file_list_dir(int *count, const char *path, const char **exts, int n_exts) {
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DIR *dir;
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struct dirent *ent;
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int found = 0;
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// int extlen;
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// int extidx;
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int pos = 0;
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int plen = strlen(path);
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char *buf = NULL;
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uint *idx = NULL;
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const char *sep = "/";
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if(path[plen - 1] == '/')
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sep = "";
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else
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plen += 1;
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dir = opendir(path);
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if(dir) {
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while(ent = readdir(dir)) {
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if(ent->d_type == DT_REG) {
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if(exts && !file_has_ext(ent->d_name, exts, n_exts)) {
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/*
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len = strlen(ent->d_name);
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for(extidx = 0; extidx < n_exts; extidx++) {
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extlen = strlen(exts[extidx]);
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if(len < extlen + 2)
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continue;
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if((ent->d_name[len - (extlen + 1)] == '.') && str_eq_lower(exts[extidx], &ent->d_name[len - extlen]))
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break;
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}
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if(extidx == n_exts)
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*/
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continue;
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}
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idx = mem_realloc(idx, (sizeof(uint) * (found + 1)), MEM_FILE);
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buf = mem_realloc(buf, pos + plen + strlen(ent->d_name) + 1, MEM_FILE);
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idx[found] = pos;
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pos += sprintf(&buf[pos], "%s%s%s", path, sep, ent->d_name) + 1;
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found += 1;
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}
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}
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closedir(dir);
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}
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*count = found;
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if(buf) {
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char **list = mem_alloc((sizeof(char *) * found) + pos, MEM_FILE);
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memcpy(&list[found], buf, pos);
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for(int z = 0; z < found; z++) {
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list[z] = &((char *)&list[found])[idx[z]];
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}
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mem_free(buf);
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mem_free(idx);
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// logd("TMP", "%d ...", found);
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// for(int z = 0; z < found; z++) {
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// logd("TMP", "%d -> %s", z, list[z]);
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// }
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return (const char **)list;
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}
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return NULL;
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}
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const char **file_list(int *count, const char *path, const char **exts, int n_exts) {
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struct stat node;
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*count = 0;
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if(stat(path, &node))
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return NULL;
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if(((node.st_mode & S_IFMT) == S_IFREG) && file_has_ext(path, exts, n_exts)) {
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int len = strlen(path) + 1;
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char **file = mem_alloc(sizeof(char *) + len, MEM_FILE);
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file[0] = (char *)&file[1];
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memcpy(&file[1], path, len);
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*count = 1;
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return (const char**)file;
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}
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return ((node.st_mode & S_IFMT) == S_IFDIR) ? file_list_dir(count, path, exts, n_exts) : NULL;
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}
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