Re-indent resolver code with clang-format

clang-format --style file -i *.{c,h}

Test: code does not compile yet
Change-Id: I8c509de4f8558b2dd74668cf40bb73c4316dc5ad
diff --git a/resolv/res_data.c b/resolv/res_data.c
index 9bc02e7..8c35fcd 100644
--- a/resolv/res_data.c
+++ b/resolv/res_data.c
@@ -26,52 +26,37 @@
 #endif
 #endif /* LIBC_SCCS and not lint */
 
-
-
-#include <sys/types.h>
 #include <sys/param.h>
 #include <sys/socket.h>
 #include <sys/time.h>
+#include <sys/types.h>
 
-#include <netinet/in.h>
 #include <arpa/inet.h>
 #include <arpa/nameser.h>
+#include <netinet/in.h>
 
 #include <ctype.h>
 #include <netdb.h>
-#include "resolv_private.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
-
+#include "resolv_private.h"
 
 __LIBC_HIDDEN__
-const char * const _res_opcodes[] = {
-	"QUERY",
-	"IQUERY",
-	"CQUERYM",
-	"CQUERYU",	/* experimental */
-	"NOTIFY",	/* experimental */
-	"UPDATE",
-	"6",
-	"7",
-	"8",
-	"9",
-	"10",
-	"11",
-	"12",
-	"13",
-	"ZONEINIT",
-	"ZONEREF",
+const char* const _res_opcodes[] = {
+        "QUERY",  "IQUERY", "CQUERYM", "CQUERYU", /* experimental */
+        "NOTIFY",                                 /* experimental */
+        "UPDATE", "6",      "7",       "8",        "9",       "10",
+        "11",     "12",     "13",      "ZONEINIT", "ZONEREF",
 };
 
 #ifdef BIND_UPDATE
-const char * const _res_sectioncodes[] = {
-	"ZONE",
-	"PREREQUISITES",
-	"UPDATE",
-	"ADDITIONAL",
+const char* const _res_sectioncodes[] = {
+        "ZONE",
+        "PREREQUISITES",
+        "UPDATE",
+        "ADDITIONAL",
 };
 #endif
 
@@ -80,247 +65,210 @@
 
 /* Proto. */
 
-int  res_ourserver_p(const res_state, const struct sockaddr *);
+int res_ourserver_p(const res_state, const struct sockaddr*);
 
-#define res_need_init()   ((_nres.options & RES_INIT) == 0U)
+#define res_need_init() ((_nres.options & RES_INIT) == 0U)
 
-int
-res_init(void) {
-	int rv;
-	extern int __res_vinit(res_state, int);
+int res_init(void) {
+    int rv;
+    extern int __res_vinit(res_state, int);
 #ifdef COMPAT__RES
-	/*
-	 * Compatibility with program that were accessing _res directly
-	 * to set options. We keep another struct res that is the same
-	 * size as the original res structure, and then copy fields to
-	 * it so that we achieve the same initialization
-	 */
-	extern void *__res_get_old_state(void);
-	extern void __res_put_old_state(void *);
-	res_state ores = __res_get_old_state();
+    /*
+     * Compatibility with program that were accessing _res directly
+     * to set options. We keep another struct res that is the same
+     * size as the original res structure, and then copy fields to
+     * it so that we achieve the same initialization
+     */
+    extern void* __res_get_old_state(void);
+    extern void __res_put_old_state(void*);
+    res_state ores = __res_get_old_state();
 
-	if (ores->options != 0)
-		_nres.options = ores->options;
-	if (ores->retrans != 0)
-		_nres.retrans = ores->retrans;
-	if (ores->retry != 0)
-		_nres.retry = ores->retry;
+    if (ores->options != 0) _nres.options = ores->options;
+    if (ores->retrans != 0) _nres.retrans = ores->retrans;
+    if (ores->retry != 0) _nres.retry = ores->retry;
 #endif
 
-	/*
-	 * These three fields used to be statically initialized.  This made
-	 * it hard to use this code in a shared library.  It is necessary,
-	 * now that we're doing dynamic initialization here, that we preserve
-	 * the old semantics: if an application modifies one of these three
-	 * fields of _res before res_init() is called, res_init() will not
-	 * alter them.  Of course, if an application is setting them to
-	 * _zero_ before calling res_init(), hoping to override what used
-	 * to be the static default, we can't detect it and unexpected results
-	 * will follow.  Zero for any of these fields would make no sense,
-	 * so one can safely assume that the applications were already getting
-	 * unexpected results.
-	 *
-	 * _nres.options is tricky since some apps were known to diddle the bits
-	 * before res_init() was first called. We can't replicate that semantic
-	 * with dynamic initialization (they may have turned bits off that are
-	 * set in RES_DEFAULT).  Our solution is to declare such applications
-	 * "broken".  They could fool us by setting RES_INIT but none do (yet).
-	 */
-	if (!_nres.retrans)
-		_nres.retrans = RES_TIMEOUT;
-	if (!_nres.retry)
-		_nres.retry = 4;
-	if (!(_nres.options & RES_INIT))
-		_nres.options = RES_DEFAULT;
+    /*
+     * These three fields used to be statically initialized.  This made
+     * it hard to use this code in a shared library.  It is necessary,
+     * now that we're doing dynamic initialization here, that we preserve
+     * the old semantics: if an application modifies one of these three
+     * fields of _res before res_init() is called, res_init() will not
+     * alter them.  Of course, if an application is setting them to
+     * _zero_ before calling res_init(), hoping to override what used
+     * to be the static default, we can't detect it and unexpected results
+     * will follow.  Zero for any of these fields would make no sense,
+     * so one can safely assume that the applications were already getting
+     * unexpected results.
+     *
+     * _nres.options is tricky since some apps were known to diddle the bits
+     * before res_init() was first called. We can't replicate that semantic
+     * with dynamic initialization (they may have turned bits off that are
+     * set in RES_DEFAULT).  Our solution is to declare such applications
+     * "broken".  They could fool us by setting RES_INIT but none do (yet).
+     */
+    if (!_nres.retrans) _nres.retrans = RES_TIMEOUT;
+    if (!_nres.retry) _nres.retry = 4;
+    if (!(_nres.options & RES_INIT)) _nres.options = RES_DEFAULT;
 
-	/*
-	 * This one used to initialize implicitly to zero, so unless the app
-	 * has set it to something in particular, we can randomize it now.
-	 */
-	if (!_nres.id)
-		_nres.id = res_randomid();
+    /*
+     * This one used to initialize implicitly to zero, so unless the app
+     * has set it to something in particular, we can randomize it now.
+     */
+    if (!_nres.id) _nres.id = res_randomid();
 
-	rv = __res_vinit(&_nres, 1);
+    rv = __res_vinit(&_nres, 1);
 #ifdef COMPAT__RES
-	__res_put_old_state(&_nres);
+    __res_put_old_state(&_nres);
 #endif
-	return rv;
+    return rv;
 }
 
-void
-p_query(const u_char *msg) {
-	fp_query(msg, stdout);
+void p_query(const u_char* msg) {
+    fp_query(msg, stdout);
 }
 
-void
-fp_query(const u_char *msg, FILE *file) {
-	fp_nquery(msg, PACKETSZ, file);
+void fp_query(const u_char* msg, FILE* file) {
+    fp_nquery(msg, PACKETSZ, file);
 }
 
-void
-fp_nquery(const u_char *msg, int len, FILE *file) {
-	if (res_need_init() && res_init() == -1)
-		return;
+void fp_nquery(const u_char* msg, int len, FILE* file) {
+    if (res_need_init() && res_init() == -1) return;
 
-	res_pquery(&_nres, msg, len, file);
+    res_pquery(&_nres, msg, len, file);
 }
 
-int
-res_mkquery(int op,			/* opcode of query */
-	    const char *dname,		/* domain name */
-	    int class, int type,	/* class and type of query */
-	    const u_char *data,		/* resource record data */
-	    int datalen,		/* length of data */
-	    const u_char *newrr_in,	/* new rr for modify or append */
-	    u_char *buf,		/* buffer to put query */
-	    int buflen)			/* size of buffer */
+int res_mkquery(int op,                 /* opcode of query */
+                const char* dname,      /* domain name */
+                int class, int type,    /* class and type of query */
+                const u_char* data,     /* resource record data */
+                int datalen,            /* length of data */
+                const u_char* newrr_in, /* new rr for modify or append */
+                u_char* buf,            /* buffer to put query */
+                int buflen)             /* size of buffer */
 {
-	if (res_need_init() && res_init() == -1) {
-		RES_SET_H_ERRNO(&_nres, NETDB_INTERNAL);
-		return (-1);
-	}
-	return (res_nmkquery(&_nres, op, dname, class, type,
-			     data, datalen,
-			     newrr_in, buf, buflen));
+    if (res_need_init() && res_init() == -1) {
+        RES_SET_H_ERRNO(&_nres, NETDB_INTERNAL);
+        return (-1);
+    }
+    return (res_nmkquery(&_nres, op, dname, class, type, data, datalen, newrr_in, buf, buflen));
 }
 
 #ifdef _LIBRESOLV
-int
-res_mkupdate(ns_updrec *rrecp_in, u_char *buf, int buflen) {
-	if (res_need_init() && res_init() == -1) {
-		RES_SET_H_ERRNO(&_nres, NETDB_INTERNAL);
-		return (-1);
-	}
+int res_mkupdate(ns_updrec* rrecp_in, u_char* buf, int buflen) {
+    if (res_need_init() && res_init() == -1) {
+        RES_SET_H_ERRNO(&_nres, NETDB_INTERNAL);
+        return (-1);
+    }
 
-	return (res_nmkupdate(&_nres, rrecp_in, buf, buflen));
+    return (res_nmkupdate(&_nres, rrecp_in, buf, buflen));
 }
 #endif
 
-int
-res_query(const char *name,	/* domain name */
-	  int class, int type,	/* class and type of query */
-	  u_char *answer,	/* buffer to put answer */
-	  int anslen)		/* size of answer buffer */
+int res_query(const char* name,    /* domain name */
+              int class, int type, /* class and type of query */
+              u_char* answer,      /* buffer to put answer */
+              int anslen)          /* size of answer buffer */
 {
-	if (res_need_init() && res_init() == -1) {
-		RES_SET_H_ERRNO(&_nres, NETDB_INTERNAL);
-		return (-1);
-	}
-	return (res_nquery(&_nres, name, class, type, answer, anslen));
+    if (res_need_init() && res_init() == -1) {
+        RES_SET_H_ERRNO(&_nres, NETDB_INTERNAL);
+        return (-1);
+    }
+    return (res_nquery(&_nres, name, class, type, answer, anslen));
 }
 
-void
-res_send_setqhook(res_send_qhook hook) {
-	_nres.qhook = hook;
+void res_send_setqhook(res_send_qhook hook) {
+    _nres.qhook = hook;
 }
 
-void
-res_send_setrhook(res_send_rhook hook) {
-	_nres.rhook = hook;
+void res_send_setrhook(res_send_rhook hook) {
+    _nres.rhook = hook;
 }
 
-int
-res_isourserver(const struct sockaddr_in *inp) {
-	return (res_ourserver_p(&_nres, (const struct sockaddr *)(const void *)inp));
+int res_isourserver(const struct sockaddr_in* inp) {
+    return (res_ourserver_p(&_nres, (const struct sockaddr*) (const void*) inp));
 }
 
-int
-res_send(const u_char *buf, int buflen, u_char *ans, int anssiz) {
-	if (res_need_init() && res_init() == -1) {
-		/* errno should have been set by res_init() in this case. */
-		return (-1);
-	}
+int res_send(const u_char* buf, int buflen, u_char* ans, int anssiz) {
+    if (res_need_init() && res_init() == -1) {
+        /* errno should have been set by res_init() in this case. */
+        return (-1);
+    }
 
-	return (res_nsend(&_nres, buf, buflen, ans, anssiz));
+    return (res_nsend(&_nres, buf, buflen, ans, anssiz));
 }
 
 #ifdef _LIBRESOLV
-int
-res_sendsigned(const u_char *buf, int buflen, ns_tsig_key *key,
-	       u_char *ans, int anssiz)
-{
-	if (res_need_init() && res_init() == -1) {
-		/* errno should have been set by res_init() in this case. */
-		return (-1);
-	}
+int res_sendsigned(const u_char* buf, int buflen, ns_tsig_key* key, u_char* ans, int anssiz) {
+    if (res_need_init() && res_init() == -1) {
+        /* errno should have been set by res_init() in this case. */
+        return (-1);
+    }
 
-	return (res_nsendsigned(&_nres, buf, buflen, key, ans, anssiz));
+    return (res_nsendsigned(&_nres, buf, buflen, key, ans, anssiz));
 }
 #endif
 
-void
-res_close(void) {
-	res_nclose(&_nres);
+void res_close(void) {
+    res_nclose(&_nres);
 }
 
 #ifdef _LIBRESOLV
-int
-res_update(ns_updrec *rrecp_in) {
-	if (res_need_init() && res_init() == -1) {
-		RES_SET_H_ERRNO(&_nres, NETDB_INTERNAL);
-		return (-1);
-	}
+int res_update(ns_updrec* rrecp_in) {
+    if (res_need_init() && res_init() == -1) {
+        RES_SET_H_ERRNO(&_nres, NETDB_INTERNAL);
+        return (-1);
+    }
 
-	return (res_nupdate(&_nres, rrecp_in, NULL));
+    return (res_nupdate(&_nres, rrecp_in, NULL));
 }
 #endif
 
-int
-res_search(const char *name,	/* domain name */
-	   int class, int type,	/* class and type of query */
-	   u_char *answer,	/* buffer to put answer */
-	   int anslen)		/* size of answer */
+int res_search(const char* name,    /* domain name */
+               int class, int type, /* class and type of query */
+               u_char* answer,      /* buffer to put answer */
+               int anslen)          /* size of answer */
 {
-	if (res_need_init() && res_init() == -1) {
-		RES_SET_H_ERRNO(&_nres, NETDB_INTERNAL);
-		return (-1);
-	}
+    if (res_need_init() && res_init() == -1) {
+        RES_SET_H_ERRNO(&_nres, NETDB_INTERNAL);
+        return (-1);
+    }
 
-	return (res_nsearch(&_nres, name, class, type, answer, anslen));
+    return (res_nsearch(&_nres, name, class, type, answer, anslen));
 }
 
-int
-res_querydomain(const char *name,
-		const char *domain,
-		int class, int type,	/* class and type of query */
-		u_char *answer,		/* buffer to put answer */
-		int anslen)		/* size of answer */
+int res_querydomain(const char* name, const char* domain, int class,
+                    int type,       /* class and type of query */
+                    u_char* answer, /* buffer to put answer */
+                    int anslen)     /* size of answer */
 {
-	if (res_need_init() && res_init() == -1) {
-		RES_SET_H_ERRNO(&_nres, NETDB_INTERNAL);
-		return (-1);
-	}
+    if (res_need_init() && res_init() == -1) {
+        RES_SET_H_ERRNO(&_nres, NETDB_INTERNAL);
+        return (-1);
+    }
 
-	return (res_nquerydomain(&_nres, name, domain,
-				 class, type,
-				 answer, anslen));
+    return (res_nquerydomain(&_nres, name, domain, class, type, answer, anslen));
 }
 
-int
-res_opt(int a, u_char *b, int c, int d)
-{
-	return res_nopt(&_nres, a, b, c, d);
+int res_opt(int a, u_char* b, int c, int d) {
+    return res_nopt(&_nres, a, b, c, d);
 }
 
-const char *
-hostalias(const char *name) {
-	return NULL;
+const char* hostalias(const char* name) {
+    return NULL;
 }
 
 #ifdef ultrix
-int
-local_hostname_length(const char *hostname) {
-	int len_host, len_domain;
+int local_hostname_length(const char* hostname) {
+    int len_host, len_domain;
 
-	if (!*_nres.defdname)
-		res_init();
-	len_host = strlen(hostname);
-	len_domain = strlen(_nres.defdname);
-	if (len_host > len_domain &&
-	    !strcasecmp(hostname + len_host - len_domain, _nres.defdname) &&
-	    hostname[len_host - len_domain - 1] == '.')
-		return (len_host - len_domain - 1);
-	return (0);
+    if (!*_nres.defdname) res_init();
+    len_host = strlen(hostname);
+    len_domain = strlen(_nres.defdname);
+    if (len_host > len_domain && !strcasecmp(hostname + len_host - len_domain, _nres.defdname) &&
+        hostname[len_host - len_domain - 1] == '.')
+        return (len_host - len_domain - 1);
+    return (0);
 }
 #endif /*ultrix*/