#include "perf.h"
#include "util/util.h"
#include "util/debug.h"
#include <subcmd/parse-options.h>
#include "util/parse-regs-options.h"

int
parse_regs(const struct option *opt, const char *str, int unset)
{
	uint64_t *mode = (uint64_t *)opt->value;
	const struct sample_reg *r;
	char *s, *os = NULL, *p;
	int ret = -1;

	if (unset)
		return 0;

	/*
	 * cannot set it twice
	 */
	if (*mode)
		return -1;

	/* str may be NULL in case no arg is passed to -I */
	if (str) {
		/* because str is read-only */
		s = os = strdup(str);
		if (!s)
			return -1;

		for (;;) {
			p = strchr(s, ',');
			if (p)
				*p = '\0';

			if (!strcmp(s, "?")) {
				fprintf(stderr, "available registers: ");
				for (r = sample_reg_masks; r->name; r++) {
					fprintf(stderr, "%s ", r->name);
				}
				fputc('\n', stderr);
				/* just printing available regs */
				return -1;
			}
			for (r = sample_reg_masks; r->name; r++) {
				if (!strcasecmp(s, r->name))
					break;
			}
			if (!r->name) {
				ui__warning("unknown register %s,"
					    " check man page\n", s);
				goto error;
			}

			*mode |= r->mask;

			if (!p)
				break;

			s = p + 1;
		}
	}
	ret = 0;

	/* default to all possible regs */
	if (*mode == 0)
		*mode = PERF_REGS_MASK;
error:
	free(os);
	return ret;
}
ack'>packet-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?id=e3f29c4809a5f562adc345c48ed9785f2597df78'>refs</a><a class='active' href='/cgit.cgi/linux/net-next.git/log/drivers/usb/storage/unusual_uas.h'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/storage/unusual_uas.h?id=e3f29c4809a5f562adc345c48ed9785f2597df78'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/storage/unusual_uas.h?id=e3f29c4809a5f562adc345c48ed9785f2597df78'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/storage/unusual_uas.h?id=e3f29c4809a5f562adc345c48ed9785f2597df78'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/drivers/usb/storage/unusual_uas.h'>
<input type='hidden' name='id' value='e3f29c4809a5f562adc345c48ed9785f2597df78'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=e3f29c4809a5f562adc345c48ed9785f2597df78'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/drivers?id=e3f29c4809a5f562adc345c48ed9785f2597df78'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/log/drivers/usb?id=e3f29c4809a5f562adc345c48ed9785f2597df78'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/log/drivers/usb/storage?id=e3f29c4809a5f562adc345c48ed9785f2597df78'>storage</a>/<a href='/cgit.cgi/linux/net-next.git/log/drivers/usb/storage/unusual_uas.h?id=e3f29c4809a5f562adc345c48ed9785f2597df78'>unusual_uas.h</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/drivers/usb/storage/unusual_uas.h?id=e3f29c4809a5f562adc345c48ed9785f2597df78&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
nge='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>David S. Miller &lt;davem@davemloft.net&gt;</td><td class='right'>2017-02-02 16:54:00 -0500</td></tr>
<tr><th>committer</th><td>David S. Miller &lt;davem@davemloft.net&gt;</td><td class='right'>2017-02-02 16:54:00 -0500</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/renesas_usbhs/Kconfig?id=e2160156bf2a7d5018e99a9993fbcdda0abac09b'>e2160156bf2a7d5018e99a9993fbcdda0abac09b</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/usb/renesas_usbhs/Kconfig?id=e2160156bf2a7d5018e99a9993fbcdda0abac09b'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=e2160156bf2a7d5018e99a9993fbcdda0abac09b'>1a70cb13dcfa7ade4c48d8a64d20543abebfb1dc</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/renesas_usbhs/Kconfig?id=e2160156bf2a7d5018e99a9993fbcdda0abac09b'>drivers/usb/renesas_usbhs/Kconfig</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/renesas_usbhs/Kconfig?id=62e13097c46c69dbd7544ab2cd585ccf48f360a4'>62e13097c46c69dbd7544ab2cd585ccf48f360a4</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/renesas_usbhs/Kconfig?id=e2160156bf2a7d5018e99a9993fbcdda0abac09b&amp;id2=62e13097c46c69dbd7544ab2cd585ccf48f360a4'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/renesas_usbhs/Kconfig?id=6d04dfc8966019b8b0977b2cb942351f13d2b178'>6d04dfc8966019b8b0977b2cb942351f13d2b178</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/renesas_usbhs/Kconfig?id=e2160156bf2a7d5018e99a9993fbcdda0abac09b&amp;id2=6d04dfc8966019b8b0977b2cb942351f13d2b178'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net</div><div class='commit-msg'>All merge conflicts were simple overlapping changes.

Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=e2160156bf2a7d5018e99a9993fbcdda0abac09b'>Diffstat</a> (limited to 'drivers/usb/renesas_usbhs/Kconfig')</div><table summary='diffstat' class='diffstat'>