diff options
-rw-r--r-- | namedev.c | 172 |
1 files changed, 84 insertions, 88 deletions
@@ -52,43 +52,42 @@ static void dump_dev(struct config_device *dev) { switch (dev->type) { case KERNEL_NAME: - dbg_parse("KERNEL name ='%s'" - " owner = '%s', group = '%s', mode = '%#o'", - dev->name, - dev->owner, dev->group, dev->mode); + dbg_parse("KERNEL name='%s' ," + "owner='%s', group='%s', mode=%#o", + dev->name, dev->owner, dev->group, dev->mode); break; case LABEL: - dbg_parse("LABEL name = '%s', bus = '%s', sysfs_file = '%s', sysfs_value = '%s'" - " owner = '%s', group = '%s', mode = '%#o'", - dev->name, dev->bus, dev->sysfs_file, dev->sysfs_value, - dev->owner, dev->group, dev->mode); + dbg_parse("LABEL name='%s', bus='%s', sysfs_file='%s', sysfs_value='%s', " + "owner='%s', group='%s', mode=%#o", + dev->name, dev->bus, dev->sysfs_file, dev->sysfs_value, + dev->owner, dev->group, dev->mode); break; case NUMBER: - dbg_parse("NUMBER name = '%s', bus = '%s', id = '%s'" - " owner = '%s', group = '%s', mode = '%#o'", - dev->name, dev->bus, dev->id, - dev->owner, dev->group, dev->mode); + dbg_parse("NUMBER name='%s', bus='%s', id='%s', " + "owner='%s', group='%s', mode=%#o", + dev->name, dev->bus, dev->id, + dev->owner, dev->group, dev->mode); break; case TOPOLOGY: - dbg_parse("TOPOLOGY name = '%s', bus = '%s', place = '%s'" - " owner = '%s', group = '%s', mode = '%#o'", - dev->name, dev->bus, dev->place, - dev->owner, dev->group, dev->mode); + dbg_parse("TOPOLOGY name='%s', bus='%s', place='%s', " + "owner='%s', group='%s', mode=%#o", + dev->name, dev->bus, dev->place, + dev->owner, dev->group, dev->mode); break; case REPLACE: - dbg_parse("REPLACE name = %s, kernel_name = %s" - " owner = '%s', group = '%s', mode = '%#o'", - dev->name, dev->kernel_name, - dev->owner, dev->group, dev->mode); + dbg_parse("REPLACE name=%s, kernel_name=%s, " + "owner='%s', group='%s', mode=%#o", + dev->name, dev->kernel_name, + dev->owner, dev->group, dev->mode); break; case CALLOUT: - dbg_parse("CALLOUT name = '%s', program ='%s', bus = '%s', id = '%s'" - " owner = '%s', group = '%s', mode = '%#o'", - dev->name, dev->exec_program, dev->bus, dev->id, - dev->owner, dev->group, dev->mode); + dbg_parse("CALLOUT name='%s', program='%s', bus='%s', id='%s', " + "owner='%s', group='%s', mode=%#o", + dev->name, dev->exec_program, dev->bus, dev->id, + dev->owner, dev->group, dev->mode); break; default: - dbg_parse("Unknown type of device!"); + dbg_parse("unknown type of method"); } } @@ -131,7 +130,7 @@ static int add_dev(struct config_device *new_dev) return 0; } - /* not found, lets create a new structure, and add it to the list */ + /* not found, add new structure to the device list */ tmp_dev = malloc(sizeof(*tmp_dev)); if (!tmp_dev) return -ENOMEM; @@ -213,7 +212,7 @@ static int namedev_init_config(void) dbg("opening %s to read as config", udev_config_filename); fd = fopen(udev_config_filename, "r"); if (fd == NULL) { - dbg("Can't open %s", udev_config_filename); + dbg("can't open %s", udev_config_filename); return -ENODEV; } @@ -232,7 +231,7 @@ static int namedev_init_config(void) while (isspace(*temp)) ++temp; - /* no more line? */ + /* empty line? */ if (*temp == 0x00) continue; @@ -269,10 +268,10 @@ static int namedev_init_config(void) break; strfieldcpy(dev.name, temp3); - dbg_parse("LABEL name = '%s', bus = '%s', " - "sysfs_file = '%s', sysfs_value = '%s'", - dev.name, dev.bus, dev.sysfs_file, - dev.sysfs_value); + dbg_parse("LABEL name='%s', bus='%s', " + "sysfs_file='%s', sysfs_value='%s'", + dev.name, dev.bus, dev.sysfs_file, + dev.sysfs_value); } if (strcasecmp(temp2, TYPE_NUMBER) == 0) { @@ -299,8 +298,8 @@ static int namedev_init_config(void) break; strfieldcpy(dev.name, temp3); - dbg_parse("NUMBER name = '%s', bus = '%s', id = '%s'", - dev.name, dev.bus, dev.id); + dbg_parse("NUMBER name='%s', bus='%s', id='%s'", + dev.name, dev.bus, dev.id); } if (strcasecmp(temp2, TYPE_TOPOLOGY) == 0) { @@ -327,8 +326,8 @@ static int namedev_init_config(void) break; strfieldcpy(dev.name, temp3); - dbg_parse("TOPOLOGY name = '%s', bus = '%s', place = '%s'", - dev.name, dev.bus, dev.place); + dbg_parse("TOPOLOGY name='%s', bus='%s', place='%s'", + dev.name, dev.bus, dev.place); } if (strcasecmp(temp2, TYPE_REPLACE) == 0) { @@ -347,8 +346,8 @@ static int namedev_init_config(void) if (retval) break; strfieldcpy(dev.name, temp3); - dbg_parse("REPLACE name = %s, kernel_name = %s", - dev.name, dev.kernel_name); + dbg_parse("REPLACE name='%s', kernel_name='%s'", + dev.name, dev.kernel_name); } if (strcasecmp(temp2, TYPE_CALLOUT) == 0) { /* number type */ @@ -380,8 +379,8 @@ static int namedev_init_config(void) if (retval) break; strfieldcpy(dev.name, temp3); - dbg_parse("CALLOUT name = %s, program = %s", - dev.name, dev.exec_program); + dbg_parse("CALLOUT name='%s', program='%s'", + dev.name, dev.exec_program); } retval = add_dev(&dev); @@ -390,7 +389,7 @@ static int namedev_init_config(void) goto exit; } } - dbg_parse("%s:%d:%Zd: error parsing ``%s''", udev_config_filename, + dbg_parse("%s:%d:%Zd: error parsing '%s'", udev_config_filename, lineno, temp - line, temp); exit: fclose(fd); @@ -410,7 +409,7 @@ static int namedev_init_permissions(void) dbg("opening %s to read as permissions config", udev_config_permission_filename); fd = fopen(udev_config_permission_filename, "r"); if (fd == NULL) { - dbg("Can't open %s", udev_config_permission_filename); + dbg("can't open %s", udev_config_permission_filename); return -ENODEV; } @@ -427,7 +426,7 @@ static int namedev_init_permissions(void) while (isspace(*temp)) ++temp; - /* no more line? */ + /* empty line? */ if (*temp == 0x00) continue; @@ -449,9 +448,9 @@ static int namedev_init_permissions(void) dev.mode = strtol(temp, NULL, 8); - dbg_parse("name = %s, owner = %s, group = %s, mode = %#o", - dev.name, dev.owner, dev.group, - dev.mode); + dbg_parse("name='%s', owner='%s', group='%s', mode=%#o", + dev.name, dev.owner, dev.group, + dev.mode); retval = add_dev(&dev); if (retval) { dbg("add_dev returned with error %d", retval); @@ -481,7 +480,7 @@ static int exec_callout(struct config_device *dev, char *value, int len) int value_set = 0; char buffer[256]; - dbg("callout to %s\n", dev->exec_program); + dbg("callout to '%s'", dev->exec_program); retval = pipe(fds); if (retval != 0) { dbg("pipe failed"); @@ -494,9 +493,7 @@ static int exec_callout(struct config_device *dev, char *value, int len) } if (pid == 0) { - /* - * child - */ + /* child */ close(STDOUT_FILENO); dup(fds[1]); /* dup write side of pipe to STDOUT */ retval = execve(dev->exec_program, main_argv, main_envp); @@ -506,9 +503,7 @@ static int exec_callout(struct config_device *dev, char *value, int len) } return -1; /* avoid compiler warning */ } else { - /* - * Parent reads from fds[0]. - */ + /* parent reads from fds[0] */ close(fds[1]); retval = 0; while (1) { @@ -566,9 +561,10 @@ static int do_callout(struct sysfs_class_device *class_dev, struct udevice *udev strfieldcpy(udev->owner, dev->owner); strfieldcpy(udev->group, dev->group); } - dbg_parse("device callout '%s' becomes '%s' - owner = %s, group = %s, mode = %#o", - dev->id, udev->name, - dev->owner, dev->group, dev->mode); + dbg_parse("callout returned matching value '%s', '%s' becomes '%s'" + " - owner='%s', group='%s', mode =%#o", + dev->id, class_dev->name, udev->name, + dev->owner, dev->group, dev->mode); return 0; } return -ENODEV; @@ -585,8 +581,7 @@ static int do_label(struct sysfs_class_device *class_dev, struct udevice *udev, if (dev->type != LABEL) continue; - dbg_parse("LABEL: match file '%s' with value '%s'", - dev->sysfs_file, dev->sysfs_value); + dbg_parse("look for device attribute '%s'", dev->sysfs_file); /* try to find the attribute in the class device directory */ tmpattr = sysfs_get_classdev_attr(class_dev, dev->sysfs_file); if (tmpattr) @@ -603,7 +598,8 @@ static int do_label(struct sysfs_class_device *class_dev, struct udevice *udev, label_found: tmpattr->value[strlen(tmpattr->value)-1] = 0x00; - dbg_parse("file '%s' found with value '%s' compare with '%s'", dev->sysfs_file, tmpattr->value, dev->sysfs_value); + dbg_parse("compare attribute '%s' value '%s' with '%s'", + dev->sysfs_file, tmpattr->value, dev->sysfs_value); if (strcmp(dev->sysfs_value, tmpattr->value) != 0) continue; @@ -613,9 +609,10 @@ label_found: strfieldcpy(udev->owner, dev->owner); strfieldcpy(udev->group, dev->group); } - dbg_parse("file '%s' with value '%s' becomes '%s' - owner = %s, group = %s, mode = %#o", - dev->sysfs_file, dev->sysfs_value, udev->name, - dev->owner, dev->group, dev->mode); + dbg_parse("found matching attribute '%s', '%s' becomes '%s' " + "- owner='%s', group='%s', mode=%#o", + dev->sysfs_file, class_dev->name, udev->name, + dev->owner, dev->group, dev->mode); return 0; } @@ -642,14 +639,13 @@ static int do_number(struct sysfs_class_device *class_dev, struct udevice *udev, found = 0; strfieldcpy(path, sysfs_device->path); temp = strrchr(path, '/'); - dbg_parse("NUMBER path = '%s'", path); - dbg_parse("NUMBER temp = '%s' id = '%s'", temp, dev->id); + dbg_parse("search '%s' in '%s', path='%s'", dev->id, temp, path); if (strstr(temp, dev->id) != NULL) { found = 1; } else { *temp = 0x00; temp = strrchr(path, '/'); - dbg_parse("NUMBER temp = '%s' id = '%s'", temp, dev->id); + dbg_parse("search '%s' in '%s', path='%s'", dev->id, temp, path); if (strstr(temp, dev->id) != NULL) found = 1; } @@ -661,9 +657,10 @@ static int do_number(struct sysfs_class_device *class_dev, struct udevice *udev, strfieldcpy(udev->owner, dev->owner); strfieldcpy(udev->group, dev->group); } - dbg_parse("device id '%s' becomes '%s' - owner = %s, group = %s, mode = %#o", - dev->id, udev->name, - dev->owner, dev->group, dev->mode); + dbg_parse("found matching id '%s', '%s' becomes '%s'" + " - owner='%s', group ='%s', mode=%#o", + dev->id, class_dev->name, udev->name, + dev->owner, dev->group, dev->mode); return 0; } return -ENODEV; @@ -690,14 +687,13 @@ static int do_topology(struct sysfs_class_device *class_dev, struct udevice *ude found = 0; strfieldcpy(path, sysfs_device->path); temp = strrchr(path, '/'); - dbg_parse("TOPOLOGY path = '%s'", path); - dbg_parse("TOPOLOGY temp = '%s' place = '%s'", temp, dev->place); + dbg_parse("search '%s' in '%s', path='%s'", dev->place, temp, path); if (strstr(temp, dev->place) != NULL) { found = 1; } else { *temp = 0x00; temp = strrchr(path, '/'); - dbg_parse("TOPOLOGY temp = '%s' place = '%s'", temp, dev->place); + dbg_parse("search '%s' in '%s', path='%s'", dev->place, temp, path); if (strstr(temp, dev->place) != NULL) found = 1; } @@ -710,10 +706,10 @@ static int do_topology(struct sysfs_class_device *class_dev, struct udevice *ude strfieldcpy(udev->owner, dev->owner); strfieldcpy(udev->group, dev->group); } - dbg_parse("device at '%s' becomes '%s' - owner = %s, group = %s, mode = %#o", - dev->place, udev->name, - dev->owner, dev->group, dev->mode); - + dbg_parse("found matching place '%s', '%s' becomes '%s'" + " - owner='%s', group ='%s', mode=%#o", + dev->place, class_dev->name, udev->name, + dev->owner, dev->group, dev->mode); return 0; } return -ENODEV; @@ -729,7 +725,7 @@ static int do_replace(struct sysfs_class_device *class_dev, struct udevice *udev if (dev->type != REPLACE) continue; - dbg_parse("REPLACE: replace name '%s' with '%s'", + dbg_parse("compare name '%s' with '%s'", dev->kernel_name, dev->name); if (strcmp(dev->kernel_name, class_dev->name) != 0) continue; @@ -740,9 +736,9 @@ static int do_replace(struct sysfs_class_device *class_dev, struct udevice *udev strfieldcpy(udev->owner, dev->owner); strfieldcpy(udev->group, dev->group); } - dbg_parse("'%s' becomes '%s' - owner = %s, group = %s, mode = %#o", - dev->kernel_name, udev->name, - dev->owner, dev->group, dev->mode); + dbg_parse("found name, '%s' becomes '%s' - owner='%s', group='%s', mode = %#o", + dev->kernel_name, udev->name, + dev->owner, dev->group, dev->mode); return 0; } @@ -768,7 +764,7 @@ static void do_kernelname(struct sysfs_class_device *class_dev, struct udevice * continue; } if (dev->mode != 0) { - dbg_parse("found permissions from config for '%s'", class_dev->name); + dbg_parse("found permissions for '%s'", class_dev->name); udev->mode = dev->mode; strfieldcpy(udev->owner, dev->owner); strfieldcpy(udev->group, dev->group); @@ -808,7 +804,7 @@ static int get_attr(struct sysfs_class_device *class_dev, struct udevice *udev) if (class_dev_parent == NULL) { dbg("sysfs_open_class_device at '%s' failed", path); } else { - dbg_parse("class_dev_parent->name = %s", class_dev_parent->name); + dbg_parse("class_dev_parent->name=%s", class_dev_parent->name); if (class_dev_parent->sysdevice) sysfs_device = class_dev_parent->sysdevice; } @@ -817,8 +813,8 @@ static int get_attr(struct sysfs_class_device *class_dev, struct udevice *udev) } if (sysfs_device) { - dbg_parse("sysfs_device->path = '%s'", sysfs_device->path); - dbg_parse("sysfs_device->bus_id = '%s'", sysfs_device->bus_id); + dbg_parse("sysfs_device->path='%s'", sysfs_device->path); + dbg_parse("sysfs_device->bus_id='%s'", sysfs_device->bus_id); } else { dbg_parse("class_dev->name = '%s'", class_dev->name); } @@ -861,7 +857,7 @@ found: if (!sysfs_device) break; strcat(udev->name, sysfs_device->bus_id); - dbg("bus_id appended: %s", + dbg("bus_id inserted: %s", sysfs_device->bus_id); break; case 'n': @@ -869,18 +865,18 @@ found: while (isdigit(*(dig-1))) dig--; strcat(udev->name, dig); - dbg("kernel number appended: %s", dig); + dbg("substitute kernel number '%s'", dig); break; case 'm': sprintf(pos, "%u", udev->minor); - dbg("minor number appended: %u", udev->minor); + dbg("substitute minor number '%u'", udev->minor); break; case 'M': sprintf(pos, "%u", udev->major); - dbg("major number appended: %u", udev->major); + dbg("substitute major number '%u'", udev->major); break; default: - dbg("unknown substitution type: %%%c", pos[1]); + dbg("unknown substitution type '%%%c'", pos[1]); break; } strcat(udev->name, name); |