rendered paste body#include <ctype.h>#include <stdio.h>#include <stdlib.h>#include <string.h>#include <oggz/oggz.h>int get_stream_types(OGGZ *oggz, ogg_packet *op, long serialno, void* user_data) { OggzTable *table = (OggzTable *)user_data; char *content; if(!oggz_table_lookup(table, serialno)) { content = oggz_stream_get_content_type(oggz, serialno); oggz_table_insert(table, serialno, content); } return 0;}int copy_replace_comments(OGGZ *oggz, ogg_packet *op, long serialno, void *user_data) { OGGZ *oggz_write = (OGGZ *)user_data; ogg_packet *comment_packet; OggzStreamContent content = oggz_stream_get_content(oggz, serialno); int flush; if (op->granulepos == -1) { flush = 0; } else { flush = OGGZ_FLUSH_AFTER; } if(op->packetno == 1) { oggz_comment_set_vendor(oggz_write, serialno, oggz_comment_get_vendor(oggz, serialno)); comment_packet = oggz_comment_generate(oggz_write, serialno, content, 0); oggz_write_feed(oggz_write, comment_packet, serialno, flush, NULL); } else { oggz_write_feed(oggz_write, op, serialno, flush, NULL); } return 0;}void list_comments(OGGZ *oggz, long serialno) { OggzComment *comment; printf("\tVendor: "); printf(oggz_comment_get_vendor(oggz, serialno)); printf("\n"); comment = oggz_comment_first(oggz, serialno); while(comment) { printf("\t"); printf(comment->name); printf(": "); printf(comment->value); printf("\n"); comment = oggz_comment_next(oggz, serialno, comment); }}void list_comments_all(OGGZ *oggz) { int i; long serialno; OggzTable *table = oggz_table_new(); oggz_set_read_callback(oggz, -1, get_stream_types, table); oggz_run(oggz); for(i = 0; i < oggz_table_size(table); i++) { printf(oggz_table_nth(table, i, &serialno)); printf(" (serialno = %ld):\n", serialno); list_comments(oggz, serialno); }}void edit_comments(OGGZ *oggz, long serialno, OggzComment *comments) { int i; for(i = 0; strcmp(comments[i].name, "0") != 0; i++) { printf(comments[i].name); oggz_comment_remove_byname(oggz, serialno, comments[i].name); printf(": "); printf(comments[i].value); oggz_comment_add(oggz, serialno, &comments[i]); }}OggzComment parse_comment_field(char *arg) { int i; char *c; OggzComment comment; comment.name = strcpy(calloc(strlen(arg) + 1, sizeof(char)), arg); c = strchr(comment.name, '='); *c = '\0'; for(i = 0; comment.name[i]; i++) { if(islower(arg[i])) comment.name[i] = toupper(arg[i]); } comment.value = c + 1; return comment;}void help() { printf("OH HI, LOL\n");}void version() { printf("I DUNNO, LOL\n");}int main(int argc, char *argv[]) { int i, index; long n, serialno = 0; unsigned char buffer[1024]; char *out_filename; FILE *out_file; OGGZ *oggz_in; OGGZ *oggz_out; OggzComment *comments; OggzTable *table = oggz_table_new(); if(argc == 1) { help(); return 0; } if(strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-v") == 0) { version(); return 0; } else if(strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-h") == 0) { help(); return 0; } else { oggz_in = oggz_open(argv[1], OGGZ_READ); oggz_out = oggz_new(OGGZ_WRITE); out_filename = argv[1]; } comments = calloc(argc - 1, sizeof(OggzComment)); comments[index = 0].name = "0"; for(i = 2; i < argc; i++) { if(strcmp(argv[i], "-l") == 0 || strcmp(argv[i], "--list") == 0) list_comments_all(oggz_in); else if(strcmp(argv[i], "-o") == 0) out_filename = argv[++i]; else if(strchr(argv[i], '=') != NULL) { comments[index] = parse_comment_field(argv[i]); comments[++index].name = "0"; } else if(strncmp(argv[i], "-s", 2) == 0) { if(strcmp(comments[0].name, "0") != 0) { oggz_table_insert(table, serialno, comments); comments = calloc(argc - 2, sizeof(OggzComment)); comments[index = 0].name = "0"; } serialno = strtol(&argv[i][2], NULL, 10); } else { printf("Error: option or field \""); printf(argv[i]); printf("\" unrecognized.\n"); return 0; } } if(strcmp(comments[0].name, "0") != 0) oggz_table_insert(table, serialno, comments); if(oggz_table_size(table) != 0) { for(i = 0; i < oggz_table_size(table); i++) { comments = oggz_table_nth(table, i, &serialno); edit_comments(oggz_out, serialno, comments); } oggz_set_read_callback(oggz_in, -1, copy_replace_comments, oggz_out); out_file = fopen(out_filename, "w"); while((n = oggz_read(oggz_in, 1024)) > 0) { while(oggz_write_output(oggz_out, buffer, n) > 0) { fwrite(buffer, 1, n, out_file); } } fclose(out_file); } else if(oggz_in) list_comments_all(oggz_in); else { printf("Error: file \""); printf(argv[1]); printf("\" could not be opened.\n"); } oggz_close(oggz_in); oggz_close(oggz_out); return 0;}