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authorBaoquan He <bhe@redhat.com>2017-04-17 21:34:56 +0800
committerIngo Molnar <mingo@kernel.org>2017-04-18 10:37:13 +0200
commitf51b17c8d90f85456579c3192ab59ee031835634 (patch)
tree7dc3151d5548cd99bd5b13f136950a64ace7d944 /kernel/params.c
parent4729277156cf18acd9b9b04d6ef8c2a8a7bf00dc (diff)
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boot/param: Move next_arg() function to lib/cmdline.c for later reuse
next_arg() will be used to parse boot parameters in the x86/boot/compressed code, so move it to lib/cmdline.c for better code reuse. No change in functionality. Signed-off-by: Baoquan He <bhe@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Cc: Jens Axboe <axboe@fb.com> Cc: Jessica Yu <jeyu@redhat.com> Cc: Johannes Berg <johannes.berg@intel.com> Cc: Josh Triplett <josh@joshtriplett.org> Cc: Larry Finger <Larry.Finger@lwfinger.net> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Petr Mladek <pmladek@suse.com> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: dan.j.williams@intel.com Cc: dave.jiang@intel.com Cc: dyoung@redhat.com Cc: keescook@chromium.org Cc: zijun_hu <zijun_hu@htc.com> Link: http://lkml.kernel.org/r/1492436099-4017-2-git-send-email-bhe@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/params.c')
-rw-r--r--kernel/params.c52
1 files changed, 0 insertions, 52 deletions
diff --git a/kernel/params.c b/kernel/params.c
index a6d6149c0fe6..60b2d8101355 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -160,58 +160,6 @@ static int parse_one(char *param,
return -ENOENT;
}
-/* You can use " around spaces, but can't escape ". */
-/* Hyphens and underscores equivalent in parameter names. */
-static char *next_arg(char *args, char **param, char **val)
-{
- unsigned int i, equals = 0;
- int in_quote = 0, quoted = 0;
- char *next;
-
- if (*args == '"') {
- args++;
- in_quote = 1;
- quoted = 1;
- }
-
- for (i = 0; args[i]; i++) {
- if (isspace(args[i]) && !in_quote)
- break;
- if (equals == 0) {
- if (args[i] == '=')
- equals = i;
- }
- if (args[i] == '"')
- in_quote = !in_quote;
- }
-
- *param = args;
- if (!equals)
- *val = NULL;
- else {
- args[equals] = '\0';
- *val = args + equals + 1;
-
- /* Don't include quotes in value. */
- if (**val == '"') {
- (*val)++;
- if (args[i-1] == '"')
- args[i-1] = '\0';
- }
- }
- if (quoted && args[i-1] == '"')
- args[i-1] = '\0';
-
- if (args[i]) {
- args[i] = '\0';
- next = args + i + 1;
- } else
- next = args + i;
-
- /* Chew up trailing spaces. */
- return skip_spaces(next);
-}
-
/* Args looks like "foo=bar,bar2 baz=fuz wiz". */
char *parse_args(const char *doing,
char *args,