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author | Gerd Hoffmann <kraxel@redhat.com> | 2009-10-14 10:39:27 +0200 |
---|---|---|
committer | Anthony Liguori <aliguori@us.ibm.com> | 2009-11-09 08:43:13 -0600 |
commit | 42262ba860f9d0186efe7ea74266207e30ddd0d0 (patch) | |
tree | cb2e273a3d214412cf67a3342525b1a0cbac9d65 | |
parent | 9d993394a1a63e500194b4eabd8a01b1af401a8f (diff) | |
download | hqemu-42262ba860f9d0186efe7ea74266207e30ddd0d0.zip hqemu-42262ba860f9d0186efe7ea74266207e30ddd0d0.tar.gz |
QemuOpts: parse config from file.
Add functions to parse QemuOpts from a git-style config file.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
-rw-r--r-- | qemu-config.c | 50 | ||||
-rw-r--r-- | qemu-config.h | 1 |
2 files changed, 51 insertions, 0 deletions
diff --git a/qemu-config.c b/qemu-config.c index ab2135a..590fc05 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; +} diff --git a/qemu-config.h b/qemu-config.h index 83f9300..b564851 100644 --- a/qemu-config.h +++ b/qemu-config.h @@ -11,5 +11,6 @@ extern QemuOptsList qemu_rtc_opts; int qemu_set_option(const char *str); void qemu_config_write(FILE *fp); +int qemu_config_parse(FILE *fp); #endif /* QEMU_CONFIG_H */ |