forked from pool/systemd
59 lines
2.9 KiB
Diff
59 lines
2.9 KiB
Diff
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Based on cfe2061add5479710f6597899d632e64c54e62ef Mon Sep 17 00:00:00 2001
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From: David Herrmann <dh.herrmann@gmail.com>
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Date: Wed, 5 Nov 2014 12:56:49 +0100
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Subject: [PATCH] udev: avoid magic constants in kernel-cmdline parsers
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Lets recognize the fact that startswith() returns a pointer to the tail on
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success. Use it instead of hard-coding string-lengths as magic constants.
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---
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src/udev/udevd.c | 24 ++++++++++++------------
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1 file changed, 12 insertions(+), 12 deletions(-)
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--- src/udev/udevd.c
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+++ src/udev/udevd.c 2014-11-10 12:31:15.745519116 +0000
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@@ -984,7 +984,7 @@ static void kernel_cmdline_options(struc
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return;
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FOREACH_WORD_QUOTED(w, l, line, state) {
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- char *s, *opt;
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+ char *s, *opt, *value;
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s = strndup(w, l);
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if (!s)
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@@ -996,24 +996,24 @@ static void kernel_cmdline_options(struc
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else
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opt = s;
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- if (startswith(opt, "udev.log-priority=")) {
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+ if ((value = startswith(opt, "udev.log-priority="))) {
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int prio;
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- prio = util_log_priority(opt + 18);
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+ prio = util_log_priority(value);
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log_set_max_level(prio);
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udev_set_log_priority(udev, prio);
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- } else if (startswith(opt, "udev.children-max=")) {
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- r = safe_atoi(opt + 18, &children_max);
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+ } else if ((value = startswith(opt, "udev.children-max="))) {
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+ r = safe_atoi(value, &children_max);
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if (r < 0)
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- log_warning("Invalid udev.children-max ignored: %s", opt + 18);
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- } else if (startswith(opt, "udev.exec-delay=")) {
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- r = safe_atoi(opt + 16, &exec_delay);
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+ log_warning("Invalid udev.children-max ignored: %s", value);
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+ } else if ((value = startswith(opt, "udev.exec-delay="))) {
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+ r = safe_atoi(value, &exec_delay);
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if (r < 0)
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- log_warning("Invalid udev.exec-delay ignored: %s", opt + 16);
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- } else if (startswith(opt, "udev.event-timeout=")) {
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- r = safe_atou64(opt + 19, &event_timeout_usec);
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+ log_warning("Invalid udev.exec-delay ignored: %s", value);
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+ } else if ((value = startswith(opt, "udev.event-timeout="))) {
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+ r = safe_atou64(value, &event_timeout_usec);
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if (r < 0) {
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- log_warning("Invalid udev.event-timeout ignored: %s", opt + 19);
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+ log_warning("Invalid udev.event-timeout ignored: %s", value);
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break;
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}
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event_timeout_usec *= USEC_PER_SEC;
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