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Fix some signed-vs-unsigned-int issues; make print_aligned_vertical
safe for zero-column tables.
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parent
eb5e4c58d1
commit
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@ -3,7 +3,7 @@
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*
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* Copyright 2000 by PostgreSQL Global Development Group
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*
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* $Header: /cvsroot/pgsql/src/bin/psql/print.c,v 1.36 2003/03/18 22:15:44 petere Exp $
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* $Header: /cvsroot/pgsql/src/bin/psql/print.c,v 1.37 2003/04/04 15:48:38 tgl Exp $
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*/
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#include "postgres_fe.h"
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#include "common.h"
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@ -283,13 +283,11 @@ print_aligned_text(const char *title, const char *const * headers,
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/* print title */
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if (title && !opt_barebones)
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{
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int tlen;
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tlen = pg_wcswidth((unsigned char *) title, strlen(title), encoding);
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if (tlen >= (int) total_w)
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tmp = pg_wcswidth((unsigned char *) title, strlen(title), encoding);
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if (tmp >= total_w)
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fprintf(fout, "%s\n", title);
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else
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fprintf(fout, "%-*s%s\n", ((int) total_w - tlen) / 2, "", title);
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fprintf(fout, "%-*s%s\n", (total_w - tmp) / 2, "", title);
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}
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/* print headers */
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@ -305,7 +303,7 @@ print_aligned_text(const char *title, const char *const * headers,
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for (i = 0; i < col_count; i++)
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{
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int nbspace;
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unsigned int nbspace;
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nbspace = widths[i] - head_w[i];
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@ -420,18 +418,27 @@ print_aligned_vertical(const char *title, const char *const * headers,
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/* count headers and find longest one */
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for (ptr = headers; *ptr; ptr++)
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col_count++;
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head_w = calloc(col_count, sizeof(*head_w));
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if (!head_w)
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if (col_count > 0)
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{
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perror("calloc");
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exit(EXIT_FAILURE);
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head_w = calloc(col_count, sizeof(*head_w));
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if (!head_w)
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{
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perror("calloc");
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exit(EXIT_FAILURE);
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}
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}
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else
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head_w = NULL;
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for (i = 0; i < col_count; i++)
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{
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if ((tmp = pg_wcswidth((unsigned char *) headers[i], strlen(headers[i]), encoding)) > hwidth)
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tmp = pg_wcswidth((unsigned char *) headers[i], strlen(headers[i]), encoding);
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if (tmp > hwidth)
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hwidth = tmp;
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head_w[i] = tmp;
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}
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/* Count cells, find their lengths */
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for (ptr = cells; *ptr; ptr++)
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cell_count++;
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@ -445,12 +452,13 @@ print_aligned_vertical(const char *title, const char *const * headers,
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}
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}
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else
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cell_w = 0;
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cell_w = NULL;
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/* find longest data cell */
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for (i = 0, ptr = cells; *ptr; ptr++, i++)
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{
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if ((tmp = pg_wcswidth((unsigned char *) *ptr, strlen(*ptr), encoding)) > dwidth)
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tmp = pg_wcswidth((unsigned char *) *ptr, strlen(*ptr), encoding);
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if (tmp > dwidth)
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dwidth = tmp;
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cell_w[i] = tmp;
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}
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@ -480,7 +488,6 @@ print_aligned_vertical(const char *title, const char *const * headers,
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if (opt_border == 2)
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strcat(divider, "-+");
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/* print records */
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for (i = 0, ptr = cells; *ptr; i++, ptr++)
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{
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@ -544,7 +551,6 @@ print_aligned_vertical(const char *title, const char *const * headers,
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if (opt_border == 2)
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fprintf(fout, "%s\n", divider);
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/* print footers */
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if (!opt_barebones && footers && *footers)
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