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[PATCH] udevinfo: print errors to stderr instead of stdout
On Wed, 2005-03-23 at 13:55 +0100, Dieter Stueken <stueken@conterra.de> wrote: > I noticed a few funny synlinks within /dev: > lrwxrwxrwx 1 root root 4 2005-03-21 15:33:54.196950896 +0100 device2 -> hda2 > lrwxrwxrwx 1 root root 4 2005-03-21 15:33:54.196950896 +0100 not2 -> hda2 > lrwxrwxrwx 1 root root 4 2005-03-21 15:33:54.196950896 +0100 found2 -> hda2 > lrwxrwxrwx 1 root root 4 2005-03-21 15:33:54.196950896 +0100 in2 -> hda2 > lrwxrwxrwx 1 root root 4 2005-03-21 15:33:54.196950896 +0100 database2 -> hda2 > I don't know exactly, what caused this in depth. But I found udevinfo > prints all error messages to stdout instead of using stderr.
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parent
a6bece643c
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61b1b7069f
28
udevinfo.c
28
udevinfo.c
@ -75,7 +75,7 @@ static void print_all_attributes(struct dlist *attr_list)
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len--;
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}
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if (len == 0)
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printf(" SYSFS{%s}=\"%s\"\n", attr->name, value);
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printf(" SYSFS{%s}==\"%s\"\n", attr->name, value);
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}
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}
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printf("\n");
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@ -114,7 +114,7 @@ static int print_device_chain(const char *path)
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/* get the class dev */
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class_dev = sysfs_open_class_device_path(path);
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if (class_dev == NULL) {
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printf("couldn't get the class device\n");
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fprintf(stderr, "couldn't get the class device\n");
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return -1;
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}
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@ -132,11 +132,11 @@ static int print_device_chain(const char *path)
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/* open sysfs class device directory and print all attributes */
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printf(" looking at class device '%s':\n", class_dev->path);
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printf(" SUBSYSTEM=\"%s\"\n", class_dev->classname);
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printf(" SUBSYSTEM==\"%s\"\n", class_dev->classname);
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attr_list = sysfs_get_classdev_attributes(class_dev);
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if (attr_list == NULL) {
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printf("couldn't open class device directory\n");
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fprintf(stderr, "couldn't open class device directory\n");
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retval = -1;
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goto exit;
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}
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@ -156,15 +156,15 @@ static int print_device_chain(const char *path)
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while (sysfs_dev != NULL) {
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attr_list = sysfs_get_device_attributes(sysfs_dev);
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if (attr_list == NULL) {
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printf("couldn't open device directory\n");
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fprintf(stderr, "couldn't open device directory\n");
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retval = -1;
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goto exit;
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}
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printf(" looking at the device chain at '%s':\n", sysfs_dev->path);
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printf(" BUS=\"%s\"\n", sysfs_dev->bus);
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printf(" ID=\"%s\"\n", sysfs_dev->bus_id);
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printf(" DRIVER=\"%s\"\n", sysfs_dev->driver_name);
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printf(" BUS==\"%s\"\n", sysfs_dev->bus);
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printf(" ID==\"%s\"\n", sysfs_dev->bus_id);
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printf(" DRIVER==\"%s\"\n", sysfs_dev->driver_name);
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/* open sysfs device directory and print all attributes */
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print_all_attributes(attr_list);
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@ -247,7 +247,7 @@ int main(int argc, char *argv[], char *envp[])
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break;
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}
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printf("unknown query type\n");
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fprintf(stderr, "unknown query type\n");
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retval = 1;
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goto exit;
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@ -293,7 +293,7 @@ int main(int argc, char *argv[], char *envp[])
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}
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retval = udev_db_get_device(&udev, pos);
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if (retval != 0) {
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printf("device not found in database\n");
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fprintf(stderr, "device not found in database\n");
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goto exit;
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}
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goto print;
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@ -312,14 +312,14 @@ int main(int argc, char *argv[], char *envp[])
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retval = udev_db_search_name(devpath, sizeof(devpath), pos);
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if (retval != 0) {
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printf("device not found in database\n");
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fprintf(stderr, "device not found in database\n");
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goto exit;
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}
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udev_db_get_device(&udev, devpath);
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goto print;
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}
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printf("query needs device path(-p) or node name(-n) specified\n");
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fprintf(stderr, "query needs device path(-p) or node name(-n) specified\n");
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retval = 3;
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goto exit;
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@ -355,7 +355,7 @@ print:
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if (attributes) {
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if (path[0] == '\0') {
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printf("attribute walk on device chain needs path(-p) specified\n");
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fprintf(stderr, "attribute walk on device chain needs path(-p) specified\n");
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retval = 4;
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goto exit;
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} else {
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@ -376,7 +376,7 @@ print:
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}
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help:
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printf("Usage: udevinfo [-anpqrVh]\n"
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fprintf(stderr, "Usage: udevinfo [-anpqrVh]\n"
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" -q TYPE query database for the specified value:\n"
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" 'name' name of device node\n"
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" 'symlink' pointing to node\n"
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