#include <stdio.h>
#include <libgen.h>

#include "cpp.h"
#include "str.h"
#include "proc.h"
#include "xmalloc.h"

static size_t argv_len(char *const argv[])
{
	size_t len = 0;

	for (; argv && *argv; argv++)
		len++;

	return len;
}

int cpp_exec(char *in_file, char *out_file, size_t out_len, char *const argv[])
{
	size_t argc = 7 + argv_len(argv);
	char *tmp = xstrdup(in_file);
	char **cpp_argv;
	int ret = 0;
	char *base;
	unsigned int i = 0;

	base = basename(tmp);
	slprintf(out_file, out_len, "/tmp/.tmp-%u-%s", rand(), base);

	cpp_argv = xmalloc(argc * sizeof(char *));

	cpp_argv[i++] = "cpp";

	for (; argv && *argv; argv++, i++)
		cpp_argv[i] = *argv;

	cpp_argv[i++] = "-I";
	cpp_argv[i++] = ETCDIRE_STRING;
	cpp_argv[i++] = "-o";
	cpp_argv[i++] = out_file;
	cpp_argv[i++] = in_file;
	cpp_argv[i++] = NULL;

	if (proc_exec("cpp", cpp_argv))
		ret = -1;

	xfree(cpp_argv);
	xfree(tmp);
	return ret;
}
xt.git</a></td><td class='form'><form method='get'>
<input type='hidden' name='id' value='c39378fc65cc83a65e8aed958bcbd18c113c6a74'/><select name='h' onchange='this.form.submit();'>
<option value='emaclite-cleanup'>emaclite-cleanup</option>
<option value='master'>master</option>
<option value='nds-private-remove' selected='selected'>nds-private-remove</option>
<option value='packet-loop-back'>packet-loop-back</option>
<option value='packet-rx-pump-back'>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/?h=nds-private-remove'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&amp;id=c39378fc65cc83a65e8aed958bcbd18c113c6a74'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=c39378fc65cc83a65e8aed958bcbd18c113c6a74'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=c39378fc65cc83a65e8aed958bcbd18c113c6a74'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=c39378fc65cc83a65e8aed958bcbd18c113c6a74'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/'>
<input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='c39378fc65cc83a65e8aed958bcbd18c113c6a74'/><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='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='c39378fc65cc83a65e8aed958bcbd18c113c6a74'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='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>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-08-16 11:49:02 -0700</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-08-16 11:49:02 -0700</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=c39378fc65cc83a65e8aed958bcbd18c113c6a74'>c39378fc65cc83a65e8aed958bcbd18c113c6a74</a> (<a href='/cgit.cgi/linux/net-next.git/patch/?id=c39378fc65cc83a65e8aed958bcbd18c113c6a74'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=c39378fc65cc83a65e8aed958bcbd18c113c6a74'>a95934d5e4b62a02a566470e16bdc5c2be4dfd3b</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=3684b03d8e9a889eda94ee74421959a9d55e5e19'>3684b03d8e9a889eda94ee74421959a9d55e5e19</a> (<a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=c39378fc65cc83a65e8aed958bcbd18c113c6a74&amp;id2=3684b03d8e9a889eda94ee74421959a9d55e5e19'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=e95d0dfb229fffe96dc4c29054f6c7a7302e111e'>e95d0dfb229fffe96dc4c29054f6c7a7302e111e</a> (<a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=c39378fc65cc83a65e8aed958bcbd18c113c6a74&amp;id2=e95d0dfb229fffe96dc4c29054f6c7a7302e111e'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'pinctrl-v4.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl</div><div class='commit-msg'>Pull pin control fixes from Linus Walleij:
 "Here are a few pin control fixes for the v4.8 series, nothing special
  about them:

   - Add the missing &lt;linux/io.h&gt; header to the Intel Merrifield driver
     to get rid of build mess.

   - Drop two instances of pinctrl_unregister() called for drivers using
     devm_* resource management.

   - Remove the default debounce time for the AMD driver"

* tag 'pinctrl-v4.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: intel: merrifield: Add missed header
  pinctrl/amd: Remove the default de-bounce time
  pinctrl: pistachio: Drop pinctrl_unregister for devm_ registered device
  pinctrl: meson: Drop pinctrl_unregister for devm_ registered device
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=c39378fc65cc83a65e8aed958bcbd18c113c6a74'>Diffstat</a></div><table summary='diffstat' class='diffstat'>