getrpcent.c File Reference

#include <wintirpc.h>
#include <sys/types.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <rpc/rpc.h>
#include <libc_private.h>

Include dependency graph for getrpcent.c:

Go to the source code of this file.

Classes
struct	rpcdata

Macros
#define	MAXALIASES   35
#define	RPCDB   "/etc/rpc"

Functions
static struct rpcent *	interpret (char *val, size_t len)
static struct rpcdata *	_rpcdata (void)
void	setrpcent (int f)
void	endrpcent ()
struct rpcent *	getrpcent ()

Variables
static struct rpcdata *	rpcdata

Macro Definition Documentation

MAXALIASES

#define MAXALIASES   35

Definition at line 58 of file getrpcent.c.

RPCDB

#define RPCDB   "/etc/rpc"

Definition at line 75 of file getrpcent.c.

Function Documentation

_rpcdata()

static struct rpcdata * _rpcdata ( void  )

static

Definition at line 80 of file getrpcent.c.

{
    struct rpcdata *d = rpcdata;

    if (d == 0) {
        d = (struct rpcdata *)calloc(1, sizeof (struct rpcdata));
        rpcdata = d;
    }
    return (d);
}

Referenced by endrpcent(), getrpcent(), interpret(), and setrpcent().

endrpcent()

void endrpcent

(

void

)

Definition at line 188 of file getrpcent.c.

{
    struct rpcdata *d = _rpcdata();

    if (d == 0)
        return;
#ifdef  YP
        if (!__yp_nomap && _yp_check(NULL)) {
            if (d->current && !d->stayopen)
                        free(d->current);
                d->current = NULL;
                d->currentlen = 0;
                return;
        }
        __yp_nomap = 0;
#endif  /* YP */
    if (d->rpcf && !d->stayopen) {
        fclose(d->rpcf);
        d->rpcf = NULL;
    }
}

getrpcent()

struct rpcent* getrpcent

(

)

Definition at line 211 of file getrpcent.c.

{
    struct rpcdata *d = _rpcdata();
#ifdef  YP
    struct rpcent *hp;
    int reason;
    char *val = NULL;
    int vallen;
#endif

    if (d == 0)
        return(NULL);
#ifdef  YP
        if (!__yp_nomap && _yp_check(&d->domain)) {
                if (d->current == NULL && d->currentlen == 0) {
                        reason = yp_first(d->domain, "rpc.bynumber",
                                          &d->current, &d->currentlen,
                                          &val, &vallen);
                } else {
                        reason = yp_next(d->domain, "rpc.bynumber",
                                         d->current, d->currentlen,
                                         &d->current, &d->currentlen,
                                         &val, &vallen);
                }
                switch(reason) {
                case 0:
                        break;
                case YPERR_MAP:
                        __yp_nomap = 1;
                        goto no_yp;
                        break;
                default:
                        return(0);
                        break;
                }
                val[vallen] = '\0';
                hp = interpret(val, vallen);
                (void) free(val);
                return hp;
        }
no_yp:
#endif  /* YP */
    if (d->rpcf == NULL && (d->rpcf = fopen(RPCDB, "r")) == NULL)
        return (NULL);
    /* -1 so there is room to append a \n below */
        if (fgets(d->line, BUFSIZ - 1, d->rpcf) == NULL)
        return (NULL);
    return (interpret(d->line, strlen(d->line)));
}

Referenced by interpret().

interpret()

static struct rpcent * interpret ( char *  val, size_t  len  )

static

Definition at line 262 of file getrpcent.c.

{
    struct rpcdata *d = _rpcdata();
    char *p;
    char *cp, **q;

    assert(val != NULL);

    if (d == 0)
        return (0);
    (void) strncpy(d->line, val, BUFSIZ);
    d->line[BUFSIZ] = '\0';
    p = d->line;
    p[len] = '\n';
    if (*p == '#')
        return (getrpcent());
    cp = strpbrk(p, "#\n");
    if (cp == NULL)
        return (getrpcent());
    *cp = '\0';
    cp = strpbrk(p, " \t");
    if (cp == NULL)
        return (getrpcent());
    *cp++ = '\0';
    /* THIS STUFF IS INTERNET SPECIFIC */
    d->rpc.r_name = d->line;
    while (*cp == ' ' || *cp == '\t')
        cp++;
    d->rpc.r_number = atoi(cp);
    q = d->rpc.r_aliases = d->rpc_aliases;
    cp = strpbrk(cp, " \t");
    if (cp != NULL)
        *cp++ = '\0';
    while (cp && *cp) {
        if (*cp == ' ' || *cp == '\t') {
            cp++;
            continue;
        }
        if (q < &(d->rpc_aliases[MAXALIASES - 1]))
            *q++ = cp;
        cp = strpbrk(cp, " \t");
        if (cp != NULL)
            *cp++ = '\0';
    }
    *q = NULL;
    return (&d->rpc);
}

Referenced by getrpcent().

setrpcent()

void setrpcent

(

int

f

)

Definition at line 163 of file getrpcent.c.

{
    struct rpcdata *d = _rpcdata();

    if (d == 0)
        return;
#ifdef  YP
        if (!__yp_nomap && _yp_check(NULL)) {
                if (d->current)
                        free(d->current);
                d->current = NULL;
                d->currentlen = 0;
                return;
        }
        __yp_nomap = 0;
#endif  /* YP */
    if (d->rpcf == NULL)
        d->rpcf = fopen(RPCDB, "r");
    else
        rewind(d->rpcf);
    d->stayopen |= f;
}

Variable Documentation

rpcdata

struct rpcdata * rpcdata

static

Referenced by _rpcdata().