From 42262ba860f9d0186efe7ea74266207e30ddd0d0 Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Wed, 14 Oct 2009 10:39:27 +0200 Subject: QemuOpts: parse config from file. Add functions to parse QemuOpts from a git-style config file. Signed-off-by: Gerd Hoffmann Signed-off-by: Anthony Liguori --- qemu-config.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) (limited to 'qemu-config.c') diff --git a/qemu-config.c b/qemu-config.c index ab2135a4f..590fc052f 100644 --- a/qemu-config.c +++ b/qemu-config.c @@ -296,3 +296,53 @@ void qemu_config_write(FILE *fp) qemu_opts_foreach(data.list, config_write_opts, &data, 0); } } + +int qemu_config_parse(FILE *fp) +{ + char line[1024], group[64], id[64], arg[64], value[1024]; + QemuOptsList *list = NULL; + QemuOpts *opts = NULL; + + while (fgets(line, sizeof(line), fp) != NULL) { + if (line[0] == '\n') { + /* skip empty lines */ + continue; + } + if (line[0] == '#') { + /* comment */ + continue; + } + if (sscanf(line, "[%63s \"%63[^\"]\"]", group, id) == 2) { + /* group with id */ + list = find_list(group); + if (list == NULL) + return -1; + opts = qemu_opts_create(list, id, 1); + continue; + } + if (sscanf(line, "[%63[^]]]", group) == 1) { + /* group without id */ + list = find_list(group); + if (list == NULL) + return -1; + opts = qemu_opts_create(list, NULL, 0); + continue; + } + if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2) { + /* arg = value */ + if (opts == NULL) { + fprintf(stderr, "no group defined\n"); + return -1; + } + if (qemu_opt_set(opts, arg, value) != 0) { + fprintf(stderr, "failed to set \"%s\" for %s\n", + arg, group); + return -1; + } + continue; + } + fprintf(stderr, "parse error: %s\n", line); + return -1; + } + return 0; +} -- cgit v1.2.3