X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=udev_config.c;h=45b11de2aa573ef3485e7ef80fe5a6e8a0843e9a;hb=29e8ed4c27a311be32cc039f3d284d9836f3021d;hp=26ecf6291c8a2a856825081b1090b5fd386cb70b;hpb=63f61c5cf639953aa38e025485919b0aa1c49b59;p=elogind.git diff --git a/udev_config.c b/udev_config.c index 26ecf6291..45b11de2a 100644 --- a/udev_config.c +++ b/udev_config.c @@ -21,9 +21,6 @@ * */ -/* define this to enable parsing debugging */ -/* #define DEBUG_PARSER */ - #include #include #include @@ -38,7 +35,7 @@ #include "udev_utils.h" #include "udev_version.h" #include "logging.h" -#include "namedev.h" +#include "udev_rules.h" /* global variables */ char sysfs_path[PATH_SIZE]; @@ -62,6 +59,54 @@ static int string_is_true(const char *str) return 0; } +static int get_key(char **line, char **key, char **value) +{ + char *linepos; + char *temp; + + linepos = *line; + if (!linepos) + return -1; + + /* skip whitespace */ + while (isspace(linepos[0])) + linepos++; + + /* get the key */ + *key = linepos; + while (1) { + linepos++; + if (linepos[0] == '\0') + return -1; + if (isspace(linepos[0])) + break; + if (linepos[0] == '=') + break; + } + + /* terminate key */ + linepos[0] = '\0'; + linepos++; + + /* skip whitespace */ + while (isspace(linepos[0])) + linepos++; + + /* get the value*/ + if (linepos[0] == '"') + linepos++; + else + return -1; + *value = linepos; + + temp = strchr(linepos, '"'); + if (!temp) + return -1; + temp[0] = '\0'; + + return 0; +} + static void init_variables(void) { const char *env; @@ -89,7 +134,7 @@ static int parse_config_file(void) { char line[LINE_SIZE]; char *bufline; - char *temp; + char *linepos; char *variable; char *value; char *buf; @@ -133,15 +178,16 @@ static int parse_config_file(void) continue; strlcpy(line, bufline, count); - temp = line; - dbg_parse("read '%s'", temp); + dbg("read '%s'", line); - retval = parse_get_pair(&temp, &variable, &value); - if (retval != 0) - info("%s:%d:%Zd: error parsing '%s'", - udev_config_filename, lineno, temp-line, temp); + linepos = line; + retval = get_key(&linepos, &variable, &value); + if (retval != 0) { + info("error parsing %s, line %d:%d", udev_config_filename, lineno, (int) (linepos-line)); + continue; + } - dbg_parse("variable='%s', value='%s'", variable, value); + dbg("variable='%s', value='%s'", variable, value); if (strcasecmp(variable, "udev_root") == 0) { strlcpy(udev_root, value, sizeof(udev_root)); @@ -171,17 +217,16 @@ static int parse_config_file(void) return retval; } -static void get_dirs(void) +void udev_init_config(void) { - char *temp; - int retval; - retval = sysfs_get_mnt_path(sysfs_path, sizeof(sysfs_path)); - if (retval) - dbg("sysfs_get_mnt_path failed"); + init_variables(); + sysfs_get_mnt_path(sysfs_path, sizeof(sysfs_path)); /* see if we should try to override any of the default values */ if (getenv("UDEV_TEST") != NULL) { + char *temp; + temp = getenv("SYSFS_PATH"); if (temp != NULL) { strlcpy(sysfs_path, temp, sizeof(sysfs_path)); @@ -201,9 +246,3 @@ static void get_dirs(void) dbg("udev_rules_filename='%s'", udev_rules_filename); dbg("udev_log=%d", udev_log); } - -void udev_init_config(void) -{ - init_variables(); - get_dirs(); -}