database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-03 20:02:46 +03:00
Code Activity

Page \h output and centralize psql paging code in PageOutput().

Browse Source
This commit is contained in:
Bruce Momjian
2002-10-23 19:23:57 +00:00
parent 30963fc200
commit 641b658c26
6 changed files with 86 additions and 99 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
src/bin/psql/print.c
View File

@ -3,9 +3,10 @@
*
* Copyright 2000 by PostgreSQL Global Development Group
*
* $Header: /cvsroot/pgsql/src/bin/psql/print.c,v 1.32 2002/10/03 17:09:42 momjian Exp $
* $Header: /cvsroot/pgsql/src/bin/psql/print.c,v 1.33 2002/10/23 19:23:57 momjian Exp $
*/
#include "postgres_fe.h"
#include "common.h"
#include "print.h"
#include <math.h>
@ -970,9 +971,7 @@ printTable(const char *title,
{
const char *default_footer[] = {NULL};
unsigned short int border = opt->border;
FILE *pagerfd = NULL,
*output;
FILE *output;
if (opt->format == PRINT_NOTHING)
return;
@ -983,25 +982,12 @@ printTable(const char *title,
if (opt->format != PRINT_HTML && border > 2)
border = 2;
/* check whether we need / can / are supposed to use pager */
if (fout == stdout && opt->pager
#ifndef WIN32
&&
isatty(fileno(stdin)) &&
isatty(fileno(stdout))
#endif
)
if (fout == stdout)
{
const char *pagerprog;
#ifdef TIOCGWINSZ
unsigned int col_count = 0,
row_count = 0,
lines;
int col_count = 0,
row_count = 0,
lines;
const char *const * ptr;
int result;
struct winsize screen_size;
/* rough estimate of columns and rows */
if (headers)
@ -1020,31 +1006,11 @@ printTable(const char *title,
if (footers && !opt->tuples_only)
for (ptr = footers; *ptr; ptr++)
lines++;
result = ioctl(fileno(stdout), TIOCGWINSZ, &screen_size);
if (result == -1 || lines > screen_size.ws_row)
{
#endif
pagerprog = getenv("PAGER");
if (!pagerprog)
pagerprog = DEFAULT_PAGER;
pagerfd = popen(pagerprog, "w");
#ifdef TIOCGWINSZ
}
#endif
}
if (pagerfd)
{
output = pagerfd;
#ifndef WIN32
pqsignal(SIGPIPE, SIG_IGN);
#endif
output = PageOutput(lines, opt->pager);
}
else
output = fout;
/* print the stuff */
switch (opt->format)
@ -1077,9 +1043,10 @@ printTable(const char *title,
fprintf(stderr, "+ Oops, you shouldn't see this!\n");
}
if (pagerfd)
/* Only close if we used the pager */
if (fout == stdout && output != stdout)
{
pclose(pagerfd);
pclose(output);
#ifndef WIN32
pqsignal(SIGPIPE, SIG_DFL);
#endif