/* * file.c - Open and read a file * * Written 2016 by Werner Almesberger * Copyright 2016 by Werner Almesberger * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ #include #include #include #include #include "util.h" #include "main.h" #include "git-file.h" #include "file.h" static void read_from_file(FILE *file, bool (*parse)(void *user, const char *line), void *user) { char buf[1000]; char *nl; while (fgets(buf, sizeof(buf), file)) { nl = strchr(buf, '\n'); if (nl) *nl = 0; if (!parse(user, buf)) break; } } void file_read(const char *name, bool (*parse)(void *user, const char *line), void *user) { FILE *file; char *colon, *tmp; file = fopen(name, "r"); if (file) { if (verbose) fprintf(stderr, "reading %s\n", name); read_from_file(file, parse, user); fclose(file); return; } if (verbose) perror(name); colon = strchr(name, ':'); if (!colon) { if (!verbose) perror(name); exit(1); } tmp = stralloc(name); tmp[colon - name] = 0; git_read(tmp, colon + 1, parse, user); free(tmp); }