X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fparser-conf.c;h=5f2b9787303d3102033662f08cf2477c23a78b60;hp=6926a92a3fc3b836f51353ec71d3f9b920c43812;hb=d63bacef37d61b46e8db10914d4a7a677ba0775a;hpb=59c55e2b636c0f877d36dbd158ede80a6dbf7ae3 diff --git a/discover/parser-conf.c b/discover/parser-conf.c index 6926a92..5f2b978 100644 --- a/discover/parser-conf.c +++ b/discover/parser-conf.c @@ -16,7 +16,9 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#define _GNU_SOURCE +#if defined(HAVE_CONFIG_H) +#include "config.h" +#endif #include #include @@ -46,6 +48,9 @@ char *conf_strip_str(char *s) if (!s) return NULL; + if (!strlen(s)) + return NULL; + while (*s == '"' || *s == '\'' || isspace(*s)) s++; @@ -74,11 +79,12 @@ char *conf_replace_char(char *s, char from, char to) } /** - * conf_get_param_pair - Get the next 'name=value' parameter pair. + * conf_get_pair - Get the next 'name/value' parameter pair. * @str: The string to process. * @name_out: Returns a pointer to the name. * @value_out: Returns a pointer to the value. - * @terminator: The pair separator/terminator. + * @tdelimiter: The pair separator. + * @terminator: The pair terminator. * * Parses a name=value pair returning pointers in @name_out and @value_out. * The pair can be terminated by @terminator or a zero. @@ -91,18 +97,27 @@ char *conf_replace_char(char *s, char from, char to) * string. */ -char *conf_get_param_pair(char *str, char **name_out, char **value_out, - char terminator) +char *conf_get_pair(struct conf_context __attribute__((unused)) *conf, char *str, + char **name_out, char **value_out, char delimiter, char terminator) { char *sep, *end; + *name_out = *value_out = NULL; + /* terminate the value */ end = strchr(str, terminator); if (end) *end = 0; - sep = strchr(str, '='); + conf_replace_char(str, '\t', ' '); + + str = conf_strip_str(str); + + if (!str) + goto exit; + + sep = strchr(str, delimiter); if (!sep) { *name_out = NULL; @@ -113,8 +128,7 @@ char *conf_get_param_pair(char *str, char **name_out, char **value_out, *value_out = conf_strip_str(sep + 1); } - pb_log("%s: @%s@%s@\n", __func__, *name_out, *value_out); - +exit: return end ? end + 1 : NULL; } @@ -144,6 +158,9 @@ void conf_init_global_options(struct conf_context *conf) { int i; + if (!conf->global_options) + return; + for (i = 0; conf->global_options[i].name; i++) conf->global_options[i].value = NULL; } @@ -160,11 +177,13 @@ int conf_set_global_option(struct conf_context *conf, const char *name, { int i; + assert(conf->global_options); + for (i = 0; conf->global_options[i].name; i++) { if (streq(name, conf->global_options[i].name)) { conf->global_options[i].value = talloc_strdup(conf, value); - pb_log("%s: @%s@%s@\n", __func__, name, value); + pb_debug("%s: %s = '%s'\n", __func__, name, value); return 1; } } @@ -185,12 +204,11 @@ const char *conf_get_global_option(struct conf_context *conf, { int i; + assert(conf->global_options); + for (i = 0; conf->global_options[i].name ;i++) - if (streq(name, conf->global_options[i].name)) { - pb_log("%s: @%s@%s@\n", __func__, name, - conf->global_options[i].value); + if (streq(name, conf->global_options[i].name)) return conf->global_options[i].value; - } assert(0 && "unknown global name"); return NULL; @@ -202,12 +220,16 @@ const char *conf_get_global_option(struct conf_context *conf, * Called from conf_parse() with data read from a conf file. */ -static void conf_parse_buf(struct conf_context *conf) +void conf_parse_buf(struct conf_context *conf, char *buf, + int len __attribute__((unused))) { char *pos, *name, *value; - for (pos = conf->buf; pos;) { - pos = conf_get_param_pair(pos, &name, &value, '\n'); + assert(conf->get_pair); + assert(conf->process_pair); + + for (pos = buf; pos;) { + pos = conf->get_pair(conf, pos, &name, &value, '\n'); if (!value) continue; @@ -224,80 +246,3 @@ static void conf_parse_buf(struct conf_context *conf) if (conf->finish) conf->finish(conf); } - -/** - * conf_parse - The common parser entry. - * - * Called from the parser specific setup routines. Searches for .conf - * files, reads data into buffers, and calls conf_parse_buf(). - */ - -int conf_parse(struct conf_context *conf) -{ - int fd, rc; - unsigned int i; - struct stat stat; - ssize_t len; - - rc = 0; - fd = -1; - len = 0; - - /* The parser is only run on the first file found. */ - /* FIXME: Could try others on error, etc. */ - - for (i = 0; conf->conf_files[i]; i++) { - char *filepath = resolve_path(conf->dc, - conf->conf_files[i], conf->dc->device_path); - - pb_log("%s: try: %s\n", __func__, filepath); - - fd = open(filepath, O_RDONLY); - - talloc_free(filepath); - - if (fd < 0) { - pb_log("%s: open failed: %s\n", __func__, - strerror(errno)); - continue; - } - - if (fstat(fd, &stat)) { - pb_log("%s: fstat failed: %s\n", __func__, - strerror(errno)); - continue; - } - - conf->buf = talloc_array(conf, char, stat.st_size + 1); - - len = read(fd, conf->buf, stat.st_size); - - if (len < 0) { - pb_log("%s: read failed: %s\n", __func__, - strerror(errno)); - continue; - } - conf->buf[len] = 0; - - break; - } - - if (fd >= 0) - close(fd); - - if (len <= 0) - goto out; - - if (!conf->dc->device->icon_file) - conf->dc->device->icon_file = talloc_strdup(conf->dc, - generic_icon_file(guess_device_type(conf->dc))); - - conf_parse_buf(conf); - - rc = 1; - -out: - pb_log("%s: %s\n", __func__, (rc ? "ok" : "failed")); - return rc; -} -