0ffa676110 2019-12-02 rkeene: #include <sys/stat.h>
0ffa676110 2019-12-02 rkeene: #include <stdlib.h>
20809b08ce 2019-12-01 rkeene: #include <string.h>
0ffa676110 2019-12-02 rkeene: #include <dirent.h>
20809b08ce 2019-12-01 rkeene: #include <stdio.h>
20809b08ce 2019-12-01 rkeene: #include <ctype.h>
0ffa676110 2019-12-02 rkeene: #include <fcntl.h>
20809b08ce 2019-12-01 rkeene:
20809b08ce 2019-12-01 rkeene: struct options {
20809b08ce 2019-12-01 rkeene: char *name;
20809b08ce 2019-12-01 rkeene: char *directory;
0ffa676110 2019-12-02 rkeene: };
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: struct xvfs_state {
0ffa676110 2019-12-02 rkeene: char **children;
0ffa676110 2019-12-02 rkeene: unsigned long child_count;
0ffa676110 2019-12-02 rkeene: unsigned long child_len;
0ffa676110 2019-12-02 rkeene: int bucket_count;
0ffa676110 2019-12-02 rkeene: int max_index;
20809b08ce 2019-12-01 rkeene: };
20809b08ce 2019-12-01 rkeene:
20809b08ce 2019-12-01 rkeene: enum xvfs_minirivet_mode {
20809b08ce 2019-12-01 rkeene: XVFS_MINIRIVET_MODE_COPY,
20809b08ce 2019-12-01 rkeene: XVFS_MINIRIVET_MODE_TCL,
20809b08ce 2019-12-01 rkeene: XVFS_MINIRIVET_MODE_TCL_PRINT
20809b08ce 2019-12-01 rkeene: };
20809b08ce 2019-12-01 rkeene:
0ffa676110 2019-12-02 rkeene: /*
0ffa676110 2019-12-02 rkeene: * adler32() function from zlib 1.1.4 and under the same license
0ffa676110 2019-12-02 rkeene: */
0ffa676110 2019-12-02 rkeene: static unsigned long adler32(unsigned long adler, const unsigned char *buf, unsigned int len) {
0ffa676110 2019-12-02 rkeene: const int len_max = 5552;
0ffa676110 2019-12-02 rkeene: const unsigned long base = 65521;
0ffa676110 2019-12-02 rkeene: unsigned long s1 = adler & 0xffff;
0ffa676110 2019-12-02 rkeene: unsigned long s2 = (adler >> 16) & 0xffff;
0ffa676110 2019-12-02 rkeene: int k, i;
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: if (buf == NULL) {
0ffa676110 2019-12-02 rkeene: return(1UL);
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: while (len > 0) {
0ffa676110 2019-12-02 rkeene: k = len < len_max ? len : len_max;
0ffa676110 2019-12-02 rkeene: len -= k;
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: while (k >= 16) {
0ffa676110 2019-12-02 rkeene: for (i = 0; i < 16; i++) {
0ffa676110 2019-12-02 rkeene: s2 += buf[i];
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene: s1 = buf[15];
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: buf += 16;
0ffa676110 2019-12-02 rkeene: k -= 16;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: if (k != 0) {
0ffa676110 2019-12-02 rkeene: do {
0ffa676110 2019-12-02 rkeene: s1 += *buf++;
0ffa676110 2019-12-02 rkeene: s2 += s1;
0ffa676110 2019-12-02 rkeene: } while (--k);
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: s1 %= base;
0ffa676110 2019-12-02 rkeene: s2 %= base;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: return((s2 << 16) | s1);
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: /*
0ffa676110 2019-12-02 rkeene: * Handle XVFS Rivet template file substitution
0ffa676110 2019-12-02 rkeene: */
0ffa676110 2019-12-02 rkeene: static void parse_xvfs_minirivet_file(FILE *outfp, const char * const external_file_name, const char * const internal_file_name) {
0ffa676110 2019-12-02 rkeene: FILE *fp;
0ffa676110 2019-12-02 rkeene: unsigned long file_size;
0ffa676110 2019-12-02 rkeene: unsigned char buf[10];
0ffa676110 2019-12-02 rkeene: size_t item_count;
0ffa676110 2019-12-02 rkeene: int idx;
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: fp = fopen(external_file_name, "rb");
0ffa676110 2019-12-02 rkeene: if (!fp) {
0ffa676110 2019-12-02 rkeene: return;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t{\n");
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t\t.name = \"%s\",\n", internal_file_name);
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t\t.type = XVFS_FILE_TYPE_REG,\n");
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t\t.data.fileContents = (const unsigned char *) \"");
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: file_size = 0;
0ffa676110 2019-12-02 rkeene: while (1) {
0ffa676110 2019-12-02 rkeene: item_count = fread(&buf, 1, sizeof(buf), fp);
0ffa676110 2019-12-02 rkeene: if (item_count <= 0) {
0ffa676110 2019-12-02 rkeene: break;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: if (file_size != 0) {
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\n\t\t\t\"");
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: for (idx = 0; idx < item_count; idx++) {
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\\x%02x", (int) buf[idx]);
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\"");
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: file_size += item_count;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: fclose(fp);
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: fprintf(outfp, ",\n");
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t\t.size = %lu\n", file_size);
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t},\n");
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: static void parse_xvfs_minirivet_directory(FILE *outfp, struct xvfs_state *xvfs_state, const char * const directory, const char * const prefix) {
0ffa676110 2019-12-02 rkeene: const unsigned int max_path_len = 8192, max_children = 65536;
0ffa676110 2019-12-02 rkeene: unsigned long child_idx, child_count;
0ffa676110 2019-12-02 rkeene: DIR *dp;
0ffa676110 2019-12-02 rkeene: struct dirent *file_info;
0ffa676110 2019-12-02 rkeene: struct stat file_stat;
0ffa676110 2019-12-02 rkeene: char *full_path_buf;
0ffa676110 2019-12-02 rkeene: char *rel_path_buf;
0ffa676110 2019-12-02 rkeene: char **children;
0ffa676110 2019-12-02 rkeene: int stat_ret;
0ffa676110 2019-12-02 rkeene: int snprintf_ret;
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: dp = opendir(directory);
0ffa676110 2019-12-02 rkeene: if (!dp) {
0ffa676110 2019-12-02 rkeene: return;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: full_path_buf = malloc(max_path_len);
0ffa676110 2019-12-02 rkeene: rel_path_buf = malloc(max_path_len);
0ffa676110 2019-12-02 rkeene: children = malloc(sizeof(*children) * max_children);
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: child_idx = 0;
0ffa676110 2019-12-02 rkeene: while (1) {
0ffa676110 2019-12-02 rkeene: file_info = readdir(dp);
0ffa676110 2019-12-02 rkeene: if (!file_info) {
0ffa676110 2019-12-02 rkeene: break;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: if (strcmp(file_info->d_name, ".") == 0) {
0ffa676110 2019-12-02 rkeene: continue;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: if (strcmp(file_info->d_name, "..") == 0) {
0ffa676110 2019-12-02 rkeene: continue;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: snprintf_ret = snprintf(full_path_buf, max_path_len, "%s/%s", directory, file_info->d_name);
0ffa676110 2019-12-02 rkeene: if (snprintf_ret >= max_path_len) {
0ffa676110 2019-12-02 rkeene: continue;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: snprintf_ret = snprintf(rel_path_buf, max_path_len, "%s%s%s",
0ffa676110 2019-12-02 rkeene: prefix,
0ffa676110 2019-12-02 rkeene: strcmp(prefix, "") == 0 ? "" : "/",
0ffa676110 2019-12-02 rkeene: file_info->d_name
0ffa676110 2019-12-02 rkeene: );
0ffa676110 2019-12-02 rkeene: if (snprintf_ret >= max_path_len) {
0ffa676110 2019-12-02 rkeene: continue;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: stat_ret = stat(full_path_buf, &file_stat);
0ffa676110 2019-12-02 rkeene: if (stat_ret != 0) {
0ffa676110 2019-12-02 rkeene: continue;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: children[child_idx] = strdup(file_info->d_name);
0ffa676110 2019-12-02 rkeene: child_idx++;
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: if (S_ISDIR(file_stat.st_mode)) {
0ffa676110 2019-12-02 rkeene: parse_xvfs_minirivet_directory(outfp, xvfs_state, full_path_buf, rel_path_buf);
0ffa676110 2019-12-02 rkeene: } else {
0ffa676110 2019-12-02 rkeene: parse_xvfs_minirivet_file(outfp, full_path_buf, rel_path_buf);
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: xvfs_state->children[xvfs_state->child_count] = strdup(rel_path_buf);
0ffa676110 2019-12-02 rkeene: xvfs_state->child_count++;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene: free(full_path_buf);
0ffa676110 2019-12-02 rkeene: free(rel_path_buf);
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: child_count = child_idx;
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t{\n");
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t\t.name = \"%s\",\n", prefix);
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t\t.type = XVFS_FILE_TYPE_DIR,\n");
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t\t.data.dirChildren = (const char *[]) {");
0ffa676110 2019-12-02 rkeene: for (child_idx = 0; child_idx < child_count; child_idx++) {
0ffa676110 2019-12-02 rkeene: if (child_idx != 0) {
0ffa676110 2019-12-02 rkeene: fprintf(outfp, ", ");
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\"%s\"", children[child_idx]);
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: free(children[child_idx]);
0ffa676110 2019-12-02 rkeene: }
36d0805e0e 2019-12-03 rkeene: fprintf(outfp, "},\n");
36d0805e0e 2019-12-03 rkeene: fprintf(outfp, "\t\t.size = %lu\n", child_count);
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: free(children);
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t},\n");
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: xvfs_state->children[xvfs_state->child_count] = strdup(prefix);
0ffa676110 2019-12-02 rkeene: xvfs_state->child_count++;
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: closedir(dp);
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: return;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: static void parse_xvfs_minirivet_hashtable_header(FILE *outfp, struct xvfs_state *xvfs_state) {
0ffa676110 2019-12-02 rkeene: const int max_bucket_count = 30;
0ffa676110 2019-12-02 rkeene: int bucket_count;
0ffa676110 2019-12-02 rkeene: int idx1, idx2;
0ffa676110 2019-12-02 rkeene: int check_hash;
0ffa676110 2019-12-02 rkeene: int first_entry;
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: if (xvfs_state->child_count > max_bucket_count) {
0ffa676110 2019-12-02 rkeene: bucket_count = max_bucket_count;
0ffa676110 2019-12-02 rkeene: } else {
0ffa676110 2019-12-02 rkeene: bucket_count = xvfs_state->child_count;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene: xvfs_state->bucket_count = bucket_count;
0ffa676110 2019-12-02 rkeene: xvfs_state->max_index = xvfs_state->child_count;
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\tlong pathIndex_idx;\n");
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\tint pathIndex_hash;\n");
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: /*
0ffa676110 2019-12-02 rkeene: * XXX:TODO: Make this not O(n^2)
0ffa676110 2019-12-02 rkeene: */
0ffa676110 2019-12-02 rkeene: for (idx1 = 0; idx1 < bucket_count; idx1++) {
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\tstatic const long pathIndex_hashTable_%i[] = {\n", idx1);
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t\t");
0ffa676110 2019-12-02 rkeene: first_entry = 1;
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: for (idx2 = 0; idx2 < xvfs_state->child_count; idx2++) {
1d38520446 2019-12-02 rkeene: check_hash = adler32(0, (unsigned char *) xvfs_state->children[idx2], strlen(xvfs_state->children[idx2])) % bucket_count;
0ffa676110 2019-12-02 rkeene: if (check_hash != idx1) {
0ffa676110 2019-12-02 rkeene: continue;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: if (!first_entry) {
0ffa676110 2019-12-02 rkeene: fprintf(outfp, ", ");
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene: first_entry = 0;
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: if (check_hash == idx1) {
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "%i", idx2);
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: if (!first_entry) {
0ffa676110 2019-12-02 rkeene: fprintf(outfp, ", ");
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "XVFS_NAME_LOOKUP_ERROR");
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\n");
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t};\n");
0ffa676110 2019-12-02 rkeene: }
c69f6f1b5a 2019-12-02 rkeene:
c69f6f1b5a 2019-12-02 rkeene: for (idx2 = 0; idx2 < xvfs_state->child_count; idx2++) {
c69f6f1b5a 2019-12-02 rkeene: free(xvfs_state->children[idx2]);
c69f6f1b5a 2019-12-02 rkeene: }
c69f6f1b5a 2019-12-02 rkeene: free(xvfs_state->children);
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\tstatic const long * const pathIndex_hashTable[%i] = {\n", bucket_count);
0ffa676110 2019-12-02 rkeene: for (idx1 = 0; idx1 < bucket_count; idx1++) {
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t\tpathIndex_hashTable_%i,\n", idx1);
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t};\n");
0ffa676110 2019-12-02 rkeene: return;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: static void parse_xvfs_minirivet_hashtable_body(FILE *outfp, struct xvfs_state *xvfs_state) {
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\tpathIndex_hash = Tcl_ZlibAdler32(0, (unsigned char *) path, pathLen) %% %i;\n", xvfs_state->bucket_count);
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\tfor (pathIndex_idx = 0; pathIndex_idx < %i; pathIndex_idx++) {\n", xvfs_state->max_index);
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t\tpathIndex = pathIndex_hashTable[pathIndex_hash][pathIndex_idx];\n");
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t\tif (pathIndex == XVFS_NAME_LOOKUP_ERROR) {\n");
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t\t\tbreak;\n");
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t\t}\n");
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\n");
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t\tif (strcmp(path, xvfs_example_data[pathIndex].name) == 0) {\n");
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t\t\treturn(pathIndex);\n");
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t\t}\n");
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "\t}\n");
0ffa676110 2019-12-02 rkeene: return;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: static void parse_xvfs_minirivet_handle_tcl_print(FILE *outfp, const struct options * const options, struct xvfs_state *xvfs_state, char *command) {
0ffa676110 2019-12-02 rkeene: char *buffer_p, *buffer_e;
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: buffer_p = command;
0ffa676110 2019-12-02 rkeene: while (*buffer_p && isspace(*buffer_p)) {
0ffa676110 2019-12-02 rkeene: buffer_p++;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: buffer_e = buffer_p + strlen(buffer_p) - 1;
0ffa676110 2019-12-02 rkeene: while (buffer_e >= buffer_p && isspace(*buffer_e)) {
0ffa676110 2019-12-02 rkeene: *buffer_e = '\0';
0ffa676110 2019-12-02 rkeene: buffer_e--;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: if (strcmp(buffer_p, "$::xvfs::fsName") == 0) {
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "%s", options->name);
0ffa676110 2019-12-02 rkeene: } else if (strcmp(buffer_p, "$::xvfs::fileInfoStruct") == 0) {
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "static const struct xvfs_file_data xvfs_");
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "%s", options->name);
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "_data[] = {\n");
0ffa676110 2019-12-02 rkeene: parse_xvfs_minirivet_directory(outfp, xvfs_state, options->directory, "");
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "};\n");
0ffa676110 2019-12-02 rkeene: } else if (strcmp(buffer_p, "[zlib adler32 $::xvfs::fsName 0]") == 0) {
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "%lu", adler32(0, (unsigned char *) options->name, strlen(options->name)));
0ffa676110 2019-12-02 rkeene: } else if (strcmp(buffer_p, "$hashTableHeader") == 0) {
0ffa676110 2019-12-02 rkeene: parse_xvfs_minirivet_hashtable_header(outfp, xvfs_state);
0ffa676110 2019-12-02 rkeene: } else if (strcmp(buffer_p, "[dict get $hashTable body]") == 0) {
0ffa676110 2019-12-02 rkeene: parse_xvfs_minirivet_hashtable_body(outfp, xvfs_state);
0ffa676110 2019-12-02 rkeene: } else {
0ffa676110 2019-12-02 rkeene: fprintf(outfp, "@INVALID@%s@INVALID@", buffer_p);
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: return;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
2d9592486f 2019-12-02 rkeene: static int parse_xvfs_minirivet(FILE *outfp, const char * const template, const struct options * const options) {
0ffa676110 2019-12-02 rkeene: struct xvfs_state xvfs_state;
0ffa676110 2019-12-02 rkeene: int ch, ch_buf;
2d9592486f 2019-12-02 rkeene: int template_idx = 0;
0ffa676110 2019-12-02 rkeene: char tcl_buffer[8192], *tcl_buffer_p;
0ffa676110 2019-12-02 rkeene: enum xvfs_minirivet_mode mode;
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: xvfs_state.child_count = 0;
0ffa676110 2019-12-02 rkeene: xvfs_state.child_len = 65536;
0ffa676110 2019-12-02 rkeene: xvfs_state.children = malloc(sizeof(*xvfs_state.children) * xvfs_state.child_len);
0ffa676110 2019-12-02 rkeene:
2d9592486f 2019-12-02 rkeene: #define parse_xvfs_minirivet_getbyte(var) var = template[template_idx]; template_idx++; if (var == 0) { break; }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: mode = XVFS_MINIRIVET_MODE_COPY;
9f07de5ec5 2019-12-02 rkeene: tcl_buffer_p = NULL;
0ffa676110 2019-12-02 rkeene: while (1) {
0ffa676110 2019-12-02 rkeene: parse_xvfs_minirivet_getbyte(ch);
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: switch (mode) {
0ffa676110 2019-12-02 rkeene: case XVFS_MINIRIVET_MODE_COPY:
0ffa676110 2019-12-02 rkeene: if (ch == '<') {
0ffa676110 2019-12-02 rkeene: parse_xvfs_minirivet_getbyte(ch_buf);
0ffa676110 2019-12-02 rkeene: if (ch_buf != '?') {
0ffa676110 2019-12-02 rkeene: fputc('<', outfp);
0ffa676110 2019-12-02 rkeene: ch = ch_buf;
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: break;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: tcl_buffer_p = tcl_buffer;
0ffa676110 2019-12-02 rkeene: parse_xvfs_minirivet_getbyte(ch_buf);
0ffa676110 2019-12-02 rkeene: if (ch_buf == '=') {
0ffa676110 2019-12-02 rkeene: mode = XVFS_MINIRIVET_MODE_TCL_PRINT;
0ffa676110 2019-12-02 rkeene: } else {
0ffa676110 2019-12-02 rkeene: mode = XVFS_MINIRIVET_MODE_TCL;
0ffa676110 2019-12-02 rkeene: *tcl_buffer_p = ch_buf;
0ffa676110 2019-12-02 rkeene: tcl_buffer_p++;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene: *tcl_buffer_p = '\0';
0ffa676110 2019-12-02 rkeene: continue;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene: break;
0ffa676110 2019-12-02 rkeene: case XVFS_MINIRIVET_MODE_TCL:
0ffa676110 2019-12-02 rkeene: case XVFS_MINIRIVET_MODE_TCL_PRINT:
0ffa676110 2019-12-02 rkeene: if (ch == '?') {
0ffa676110 2019-12-02 rkeene: parse_xvfs_minirivet_getbyte(ch_buf);
0ffa676110 2019-12-02 rkeene: if (ch_buf != '>') {
0ffa676110 2019-12-02 rkeene: *tcl_buffer_p = ch;
0ffa676110 2019-12-02 rkeene: tcl_buffer_p++;
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: ch = ch_buf;
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: break;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: *tcl_buffer_p = '\0';
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: if (mode == XVFS_MINIRIVET_MODE_TCL_PRINT) {
0ffa676110 2019-12-02 rkeene: parse_xvfs_minirivet_handle_tcl_print(outfp, options, &xvfs_state, tcl_buffer);
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: mode = XVFS_MINIRIVET_MODE_COPY;
0ffa676110 2019-12-02 rkeene: continue;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene: break;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: switch (mode) {
0ffa676110 2019-12-02 rkeene: case XVFS_MINIRIVET_MODE_COPY:
0ffa676110 2019-12-02 rkeene: fputc(ch, outfp);
0ffa676110 2019-12-02 rkeene: break;
0ffa676110 2019-12-02 rkeene: case XVFS_MINIRIVET_MODE_TCL:
0ffa676110 2019-12-02 rkeene: case XVFS_MINIRIVET_MODE_TCL_PRINT:
0ffa676110 2019-12-02 rkeene: *tcl_buffer_p = ch;
0ffa676110 2019-12-02 rkeene: tcl_buffer_p++;
0ffa676110 2019-12-02 rkeene: break;
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: #undef parse_xvfs_minirivet_getbyte
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: return(1);
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: static int xvfs_create(FILE *outfp, const struct options * const options) {
2d9592486f 2019-12-02 rkeene: const int template_len = 65536;
2d9592486f 2019-12-02 rkeene: const char * const template_file = "lib/xvfs/xvfs.c.rvt";
2d9592486f 2019-12-02 rkeene: FILE *fp;
2d9592486f 2019-12-02 rkeene: char *template, *template_p;
2d9592486f 2019-12-02 rkeene: int template_remain;
2d9592486f 2019-12-02 rkeene: size_t fread_ret;
2d9592486f 2019-12-02 rkeene: int retval;
2d9592486f 2019-12-02 rkeene:
2d9592486f 2019-12-02 rkeene: fp = fopen(template_file, "r");
2d9592486f 2019-12-02 rkeene: if (!fp) {
2d9592486f 2019-12-02 rkeene: return(0);
2d9592486f 2019-12-02 rkeene: }
2d9592486f 2019-12-02 rkeene:
2d9592486f 2019-12-02 rkeene: template = malloc(template_len);
2d9592486f 2019-12-02 rkeene: template_remain = template_len;
2d9592486f 2019-12-02 rkeene: if (!template) {
2d9592486f 2019-12-02 rkeene: fclose(fp);
2d9592486f 2019-12-02 rkeene:
2d9592486f 2019-12-02 rkeene: return(0);
2d9592486f 2019-12-02 rkeene: }
2d9592486f 2019-12-02 rkeene:
2d9592486f 2019-12-02 rkeene: template_p = template;
2d9592486f 2019-12-02 rkeene: while (1) {
2d9592486f 2019-12-02 rkeene: fread_ret = fread(template_p, 1, template_remain, fp);
2d9592486f 2019-12-02 rkeene: if (fread_ret <= 0) {
2d9592486f 2019-12-02 rkeene: break;
2d9592486f 2019-12-02 rkeene: }
2d9592486f 2019-12-02 rkeene:
2d9592486f 2019-12-02 rkeene: template_p += fread_ret;
2d9592486f 2019-12-02 rkeene: template_remain -= fread_ret;
2d9592486f 2019-12-02 rkeene: }
2d9592486f 2019-12-02 rkeene: if (template_remain > 0) {
2d9592486f 2019-12-02 rkeene: *template_p = '\0';
2d9592486f 2019-12-02 rkeene: }
2d9592486f 2019-12-02 rkeene:
2d9592486f 2019-12-02 rkeene: fclose(fp);
2d9592486f 2019-12-02 rkeene:
2d9592486f 2019-12-02 rkeene: retval = parse_xvfs_minirivet(outfp, template, options);
2d9592486f 2019-12-02 rkeene:
2d9592486f 2019-12-02 rkeene: free(template);
2d9592486f 2019-12-02 rkeene:
2d9592486f 2019-12-02 rkeene: return(retval);
0ffa676110 2019-12-02 rkeene: }
0ffa676110 2019-12-02 rkeene:
0ffa676110 2019-12-02 rkeene: /*
0ffa676110 2019-12-02 rkeene: * Parse command line options
0ffa676110 2019-12-02 rkeene: */
20809b08ce 2019-12-01 rkeene: static int parse_options(int argc, char **argv, struct options *options) {
20809b08ce 2019-12-01 rkeene: char *arg;
20809b08ce 2019-12-01 rkeene: char **option;
20809b08ce 2019-12-01 rkeene: int idx;
20809b08ce 2019-12-01 rkeene: int retval;
20809b08ce 2019-12-01 rkeene:
20809b08ce 2019-12-01 rkeene: for (idx = 0; idx < argc; idx++) {
20809b08ce 2019-12-01 rkeene: arg = argv[idx];
20809b08ce 2019-12-01 rkeene:
20809b08ce 2019-12-01 rkeene: if (strcmp(arg, "--directory") == 0) {
20809b08ce 2019-12-01 rkeene: option = &options->directory;
20809b08ce 2019-12-01 rkeene: } else if (strcmp(arg, "--name") == 0) {
20809b08ce 2019-12-01 rkeene: option = &options->name;
20809b08ce 2019-12-01 rkeene: } else {
20809b08ce 2019-12-01 rkeene: fprintf(stderr, "Invalid argument %s\n", arg);
20809b08ce 2019-12-01 rkeene:
20809b08ce 2019-12-01 rkeene: return(0);
20809b08ce 2019-12-01 rkeene: }
20809b08ce 2019-12-01 rkeene:
20809b08ce 2019-12-01 rkeene: idx++;
20809b08ce 2019-12-01 rkeene: arg = argv[idx];
20809b08ce 2019-12-01 rkeene: *option = arg;
20809b08ce 2019-12-01 rkeene: }
20809b08ce 2019-12-01 rkeene:
20809b08ce 2019-12-01 rkeene: retval = 1;
20809b08ce 2019-12-01 rkeene: if (!options->directory) {
20809b08ce 2019-12-01 rkeene: fprintf(stderr, "error: --directory must be specified\n");
20809b08ce 2019-12-01 rkeene: retval = 0;
20809b08ce 2019-12-01 rkeene: }
20809b08ce 2019-12-01 rkeene:
20809b08ce 2019-12-01 rkeene: if (!options->name) {
20809b08ce 2019-12-01 rkeene: fprintf(stderr, "error: --name must be specified\n");
20809b08ce 2019-12-01 rkeene: retval = 0;
20809b08ce 2019-12-01 rkeene: }
20809b08ce 2019-12-01 rkeene:
20809b08ce 2019-12-01 rkeene: return(retval);
20809b08ce 2019-12-01 rkeene: }
20809b08ce 2019-12-01 rkeene:
20809b08ce 2019-12-01 rkeene: int main(int argc, char **argv) {
20809b08ce 2019-12-01 rkeene: struct options options = {0};
20809b08ce 2019-12-01 rkeene: int parse_options_ret, xvfs_create_ret;
20809b08ce 2019-12-01 rkeene:
20809b08ce 2019-12-01 rkeene: argc--;
20809b08ce 2019-12-01 rkeene: argv++;
20809b08ce 2019-12-01 rkeene:
20809b08ce 2019-12-01 rkeene: parse_options_ret = parse_options(argc, argv, &options);
20809b08ce 2019-12-01 rkeene: if (!parse_options_ret) {
20809b08ce 2019-12-01 rkeene: return(1);
20809b08ce 2019-12-01 rkeene: }
20809b08ce 2019-12-01 rkeene:
0ffa676110 2019-12-02 rkeene: xvfs_create_ret = xvfs_create(stdout, &options);
20809b08ce 2019-12-01 rkeene: if (!xvfs_create_ret) {
20809b08ce 2019-12-01 rkeene: return(1);
20809b08ce 2019-12-01 rkeene: }
20809b08ce 2019-12-01 rkeene:
20809b08ce 2019-12-01 rkeene: return(0);
20809b08ce 2019-12-01 rkeene: }