86 lines
1.7 KiB
C
86 lines
1.7 KiB
C
#include "system.h"
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#include <errno.h>
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#include <sys/wait.h>
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#include <rpm/rpmlog.h>
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#include <rpm/rpmlib.h>
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#include <rpm/rpmfileutil.h>
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#include <rpm/rpmmacro.h>
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#include <rpm/rpmcli.h>
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#include "cliutils.h"
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#include "debug.h"
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static pid_t pipeChild = 0;
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RPM_GNUC_NORETURN
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void argerror(const char * desc)
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{
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fprintf(stderr, _("%s: %s\n"), xgetprogname(), desc);
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exit(EXIT_FAILURE);
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}
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static void printVersion(FILE * fp)
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{
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fprintf(fp, _("RPM version %s\n"), rpmEVR);
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}
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static void printBanner(FILE * fp)
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{
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fprintf(fp, _("Copyright (C) 1998-2002 - Red Hat, Inc.\n"));
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fprintf(fp, _("This program may be freely redistributed under the terms of the GNU GPL\n"));
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}
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void printUsage(poptContext con, FILE * fp, int flags)
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{
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printVersion(fp);
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printBanner(fp);
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fprintf(fp, "\n");
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if (rpmIsVerbose())
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poptPrintHelp(con, fp, flags);
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else
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poptPrintUsage(con, fp, flags);
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}
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int initPipe(void)
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{
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int p[2];
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if (pipe(p) < 0) {
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fprintf(stderr, _("creating a pipe for --pipe failed: %m\n"));
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return -1;
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}
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if (!(pipeChild = fork())) {
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(void) close(p[1]);
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(void) dup2(p[0], STDIN_FILENO);
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(void) close(p[0]);
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(void) execl("/bin/sh", "/bin/sh", "-c", rpmcliPipeOutput, NULL);
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fprintf(stderr, _("exec failed\n"));
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exit(EXIT_FAILURE);
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}
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(void) close(p[0]);
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(void) dup2(p[1], STDOUT_FILENO);
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(void) close(p[1]);
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return 0;
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}
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int finishPipe(void)
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{
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int rc = 0;
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if (pipeChild) {
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int status;
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pid_t reaped;
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(void) fclose(stdout);
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do {
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reaped = waitpid(pipeChild, &status, 0);
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} while (reaped == -1 && errno == EINTR);
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if (reaped == -1 || !WIFEXITED(status) || WEXITSTATUS(status))
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rc = 1;
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}
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return rc;
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}
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