From 54691771831c97c7366bf8ee7c54da3952c22120 Mon Sep 17 00:00:00 2001
From: Aaron Griffin <aaron@archlinux.org>
Date: Wed, 22 Nov 2006 04:53:10 +0000
Subject: Removed global maxcols - it is looked up on the fly now, so the
 progress bar is resized.  Also used ioctl in place of the COLUMNS env
 variable

---
 src/pacman/downloadprog.c |  3 +--
 src/pacman/list.c         |  4 ++--
 src/pacman/trans.c        |  3 ++-
 src/pacman/util.c         | 22 ++++++++++++++++++++--
 4 files changed, 25 insertions(+), 7 deletions(-)

(limited to 'src')

diff --git a/src/pacman/downloadprog.c b/src/pacman/downloadprog.c
index f831656b..06345782 100644
--- a/src/pacman/downloadprog.c
+++ b/src/pacman/downloadprog.c
@@ -47,8 +47,6 @@ struct timeval initial_time;
 /* pacman options */
 extern config_t *config;
 
-extern unsigned int maxcols;
-
 #define FILENAME_TRIM_LEN 21
 #define UPDATE_SPEED_SEC 0.1
 
@@ -58,6 +56,7 @@ void log_progress(const char *filename, int xfered, int total)
 	int i, hash;
 	long chomp = 0;
 	char *fname, *p; 
+	unsigned int maxcols = getcols();
 	unsigned int progresslen = maxcols - 57;
 	int percent = ((float)xfered) / ((float)total) * 100;
 	struct timeval current_time;
diff --git a/src/pacman/list.c b/src/pacman/list.c
index 0c271978..c95e8f3d 100644
--- a/src/pacman/list.c
+++ b/src/pacman/list.c
@@ -28,8 +28,6 @@
 #include "util.h"
 #include "list.h"
 
-extern int maxcols;
-
 static list_t *list_last(list_t *list);
 
 list_t *list_new()
@@ -127,6 +125,7 @@ void list_display(const char *title, list_t *list)
 	if(list) {
 		for(lp = list, cols = len; lp; lp = lp->next) {
 			int s = strlen((char *)lp->data)+1;
+			unsigned int maxcols = getcols();
 			if(s+cols >= maxcols) {
 				int i;
 				cols = len;
@@ -155,6 +154,7 @@ void pmlist_display(const char *title, pmlist_t *list)
 	if(list) {
 		for(lp = list, cols = len; lp; lp = alpm_list_next(lp)) {
 			int s = strlen(alpm_list_getdata(lp))+1;
+			unsigned int maxcols = getcols();
 			if(s+cols >= maxcols) {
 				int i;
 				cols = len;
diff --git a/src/pacman/trans.c b/src/pacman/trans.c
index 0b141906..1b9295e1 100644
--- a/src/pacman/trans.c
+++ b/src/pacman/trans.c
@@ -40,7 +40,6 @@
 #define LOG_STR_LEN 256
 
 extern config_t *config;
-extern unsigned int maxcols;
 
 int prevpercent=0; /* for less progressbar output */
 
@@ -154,6 +153,7 @@ void cb_trans_evt(unsigned char event, void *data1, void *data2)
 		break;
 		case PM_TRANS_EVT_RETRIEVE_LOCAL:
 			MSG(NL, " %s [", (char*)data1);
+			unsigned int maxcols = getcols();
 			STRNCPY(out, (char*)data2, maxcols-42);
 			MSG(CL, "%s", out);
 			for(i = strlen(out); i < maxcols-43; i++) {
@@ -287,6 +287,7 @@ void cb_trans_progress(unsigned char event, char *pkgname, int percent, int howm
 	static int lasthash = 0, mouth = 0;
 	int i, hash;
 	long chomp = 0;
+	unsigned int maxcols = getcols();
 	unsigned int maxpkglen, progresslen = maxcols - 57;
 	char *ptr = NULL;
 
diff --git a/src/pacman/util.c b/src/pacman/util.c
index 68f39e38..c6841e16 100644
--- a/src/pacman/util.c
+++ b/src/pacman/util.c
@@ -24,6 +24,9 @@
 #include <sys/stat.h>
 #endif
 
+#include <sys/types.h>
+#include <sys/ioctl.h>
+
 #include "config.h"
 #include <stdio.h>
 #include <stdlib.h>
@@ -45,18 +48,33 @@
 #include "conf.h"
 #include "log.h"
 
-extern int maxcols;
 extern config_t *config;
 extern int neednl;
 
 /* gets the current screen column width */
 int getcols()
 {
+#ifdef TIOCGSIZE
+	struct ttysize win;
+	if(ioctl(1, TIOCGSIZE, &win) == 0) {
+		return win.ts_cols;
+	}
+#elif defined(TIOCGWINSZ)
+	struct winsize win;
+	if(ioctl(1, TIOCGWINSZ, &win) == 0) {
+		return win.ws_col;
+	}
+#endif
+	else {
+		return -1;
+	}
+	/* Original envvar way - prone to display issues
 	const char *cenv = getenv("COLUMNS");
 	if(cenv != NULL) {
 		return atoi(cenv);
 	}
 	return -1;
+	*/
 }
 
 /* does the same thing as 'mkdir -p' */
@@ -152,7 +170,7 @@ void indentprint(const char *str, int indent)
 				next = p + strlen(p);
 			}
 			len = next - p;
-			if(len > (maxcols-cidx-1)) {
+			if(len > (getcols()-cidx-1)) {
 				/* newline */
 				int i;
 				fprintf(stdout, "\n");
-- 
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