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authorDan McGee <dan@archlinux.org>2011-06-13 17:04:35 -0500
committerDan McGee <dan@archlinux.org>2011-06-13 17:04:35 -0500
commit895a88886525dd3e6d2d0db996cedb7e73455fbb (patch)
treeeefe31eb84bd330b5bd18cf3dbf5bf5fa5096456
parentb0590400111c04e1c6a42052d3f03986b4ad31aa (diff)
Fix list_display on non-ttys and other output fixes
commit c1f742d7750a14 broke what was one of the tenants of out output- if piping pacman output somewhere else, we shouldn't ever try to line-wrap and indent print our output. This makes it easier for tools to use output from pacman -Ss, -Qs, -Qi, etc. list_display() unfortunately was given a default value of 80 rather than 0, so fix this. Next, make some additional changes that ensure we don't insert an unnecessary blank line if for some crazy reason the indent level (such as on -Qi output) is greater than the number of columns. Accomplish this by printing the first item unconditionally as we do in list_display_linebreak(). Finally, teach indentprint to not wrap if the number of columns is less than the indent level, this prevents some forms of ridiculous output such as the following: Install Date : Wed 08 Jun 2011 04:39:19 AM CDT Signed-off-by: Dan McGee <dan@archlinux.org>
-rw-r--r--src/pacman/util.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/src/pacman/util.c b/src/pacman/util.c
index 508cc89f..a6d150fc 100644
--- a/src/pacman/util.c
+++ b/src/pacman/util.c
@@ -216,8 +216,9 @@ void indentprint(const char *str, int indent)
return;
}
- /* if we're not a tty, print without indenting */
- if(cols == 0) {
+ /* if we're not a tty, or our tty is not wide enough that wrapping even makes
+ * sense, print without indenting */
+ if(cols == 0 || indent > cols) {
printf("%s", str);
return;
}
@@ -450,12 +451,16 @@ void list_display(const char *title, const alpm_list_t *list)
if(!list) {
printf("%s\n", _("None"));
} else {
- int cols;
- const int maxcols = getcols(80);
- for(i = list, cols = len; i; i = alpm_list_next(i)) {
- char *str = alpm_list_getdata(i);
+ const int maxcols = getcols(0);
+ int cols = len;
+ const char *str = alpm_list_getdata(list);
+ printf("%s", str);
+ cols += string_length(str);
+ for(i = alpm_list_next(list), cols = len; i; i = alpm_list_next(i)) {
+ const char *str = alpm_list_getdata(i);
int s = string_length(str);
- if(cols + s + 2 >= maxcols) {
+ /* wrap only if we have enough usable column space */
+ if(maxcols > len && cols + s + 2 >= maxcols) {
int j;
cols = len;
printf("\n");