#ifndef __SUBCMD_UTIL_H
#define __SUBCMD_UTIL_H

#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>

#define NORETURN __attribute__((__noreturn__))

static inline void report(const char *prefix, const char *err, va_list params)
{
	char msg[1024];
	vsnprintf(msg, sizeof(msg), err, params);
	fprintf(stderr, " %s%s\n", prefix, msg);
}

static NORETURN inline void die(const char *err, ...)
{
	va_list params;

	va_start(params, err);
	report(" Fatal: ", err, params);
	exit(128);
	va_end(params);
}

#define zfree(ptr) ({ free(*ptr); *ptr = NULL; })

#define alloc_nr(x) (((x)+16)*3/2)

/*
 * Realloc the buffer pointed at by variable 'x' so that it can hold
 * at least 'nr' entries; the number of entries currently allocated
 * is 'alloc', using the standard growing factor alloc_nr() macro.
 *
 * DO NOT USE any expression with side-effect for 'x' or 'alloc'.
 */
#define ALLOC_GROW(x, nr, alloc) \
	do { \
		if ((nr) > alloc) { \
			if (alloc_nr(alloc) < (nr)) \
				alloc = (nr); \
			else \
				alloc = alloc_nr(alloc); \
			x = xrealloc((x), alloc * sizeof(*(x))); \
		} \
	} while(0)

static inline void *xrealloc(void *ptr, size_t size)
{
	void *ret = realloc(ptr, size);
	if (!ret && !size)
		ret = realloc(ptr, 1);
	if (!ret) {
		ret = realloc(ptr, size);
		if (!ret && !size)
			ret = realloc(ptr, 1);
		if (!ret)
			die("Out of memory, realloc failed");
	}
	return ret;
}

#define astrcatf(out, fmt, ...)						\
({									\
	char *tmp = *(out);						\
	if (asprintf((out), "%s" fmt, tmp ?: "", ## __VA_ARGS__) == -1)	\
		die("asprintf failed");					\
	free(tmp);							\
})

static inline void astrcat(char **out, const char *add)
{
	char *tmp = *out;

	if (asprintf(out, "%s%s", tmp ?: "", add) == -1)
		die("asprintf failed");

	free(tmp);
}

static inline int prefixcmp(const char *str, const char *prefix)
{
	for (; ; str++, prefix++)
		if (!*prefix)
			return 0;
		else if (*str != *prefix)
			return (unsigned char)*prefix - (unsigned char)*str;
}

#endif /* __SUBCMD_UTIL_H */
' href='/cgit.cgi/linux/net-next.git/commit/net/sctp/offload.c?h=nds-private-remove&amp;id=9208b75e048dda0d285904de9be7ab654a4b94fc'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/net/sctp/offload.c?h=nds-private-remove&amp;id=9208b75e048dda0d285904de9be7ab654a4b94fc'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/net/sctp/offload.c'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=9208b75e048dda0d285904de9be7ab654a4b94fc'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net?h=nds-private-remove&amp;id=9208b75e048dda0d285904de9be7ab654a4b94fc'>net</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/sctp?h=nds-private-remove&amp;id=9208b75e048dda0d285904de9be7ab654a4b94fc'>sctp</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/sctp/offload.c?h=nds-private-remove&amp;id=9208b75e048dda0d285904de9be7ab654a4b94fc'>offload.c</a></div><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='9208b75e048dda0d285904de9be7ab654a4b94fc'/><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>James Bottomley &lt;James.Bottomley@HansenPartnership.com&gt;</td><td class='right'>2017-01-17 17:32:54 -0500</td></tr>
<tr><th>committer</th><td>James Bottomley &lt;James.Bottomley@HansenPartnership.com&gt;</td><td class='right'>2017-01-17 17:32:54 -0500</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/sctp/offload.c?h=nds-private-remove&amp;id=9208b75e048dda0d285904de9be7ab654a4b94fc'>9208b75e048dda0d285904de9be7ab654a4b94fc</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/sctp/offload.c?id=9208b75e048dda0d285904de9be7ab654a4b94fc'>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=9208b75e048dda0d285904de9be7ab654a4b94fc'>b3af58ccd11b9ea186d1388be263b8ae0cb829b3</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/sctp/offload.c?h=nds-private-remove&amp;id=9208b75e048dda0d285904de9be7ab654a4b94fc'>net/sctp/offload.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/sctp/offload.c?h=nds-private-remove&amp;id=2f5a31456ee80b37ef1170319fa134af0a1dfcc4'>2f5a31456ee80b37ef1170319fa134af0a1dfcc4</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/sctp/offload.c?h=nds-private-remove&amp;id=9208b75e048dda0d285904de9be7ab654a4b94fc&amp;id2=2f5a31456ee80b37ef1170319fa134af0a1dfcc4'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/sctp/offload.c?h=nds-private-remove&amp;id=ffb58456589443ca572221fabbdef3db8483a779'>ffb58456589443ca572221fabbdef3db8483a779</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/sctp/offload.c?h=nds-private-remove&amp;id=9208b75e048dda0d285904de9be7ab654a4b94fc&amp;id2=ffb58456589443ca572221fabbdef3db8483a779'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge remote-tracking branch 'mkp-scsi/fixes' into fixes</div><div class='commit-msg'></div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=9208b75e048dda0d285904de9be7ab654a4b94fc'>Diffstat</a> (limited to 'net/sctp/offload.c')</div><table summary='diffstat' class='diffstat'>