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authorDan McGee <dan@archlinux.org>2011-04-01 15:16:26 -0500
committerDan McGee <dan@archlinux.org>2011-04-01 15:18:52 -0500
commitd8d89d8d27794d493ed2aa9eba4649e6e3ff4a9d (patch)
tree07b32f59cc65835ae6b9045226683c4f3a201f19
parent7f6d986ac93e3465db6a4ed5c3ac77b72d890e68 (diff)
Ensure stdout/stderr are flushed when asking questions
Addresses FS#23492, where the question was shown without knowing what one was answering to. Ensure we flush our output streams before printing the question, and flush the stream on which we ask the question before waiting for an answer. Signed-off-by: Dan McGee <dan@archlinux.org>
-rw-r--r--src/pacman/util.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/pacman/util.c b/src/pacman/util.c
index 83368085..c7d98540 100644
--- a/src/pacman/util.c
+++ b/src/pacman/util.c
@@ -878,6 +878,10 @@ static int question(short preset, char *fmt, va_list args)
stream = stderr;
}
+ /* ensure all text makes it to the screen before we prompt the user */
+ fflush(stdout);
+ fflush(stderr);
+
vfprintf(stream, fmt, args);
if(preset) {
@@ -891,6 +895,7 @@ static int question(short preset, char *fmt, va_list args)
return(preset);
}
+ fflush(stream);
if(fgets(response, sizeof(response), stdin)) {
strtrim(response);
if(strlen(response) == 0) {