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iucvconn/iucvtty: Direct --help output to stdout

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Both iucvconn and iucvtty write output for --help to stderr. To be
consistent with other s390-tools and GNU coding guide lines,
fix this by using stdout for tool-generated usage help.

Reviewed-by: Hendrik Brueckner <brueckner@linux.ibm.com>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Peter Oberparleiter
2018-08-24 09:47:41 +01:00
committed by Jan Höppner
parent f2f572fa70
commit 5ef1320a7b
1 changed files with 4 additions and 2 deletions
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6
iucvterm/src/getopt.c
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@@ -75,9 +75,11 @@ static const struct tool_info iucv_tool[2] = {
static void __noreturn usage_exit(const struct tool_info *prg, int is_error,
const char *msg)
{
FILE *file = is_error ? stderr : stdout;
if (msg != NULL)
fprintf(stderr, _("%s: %s\n"), prg->name, msg);
fprintf(stderr, _(prg->usage), prg->name, prg->name);
fprintf(file, _("%s: %s\n"), prg->name, msg);
fprintf(file, _(prg->usage), prg->name, prg->name);
exit(is_error ? 1 : 0); /* rc=1 .. invalid args */
}