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vl: Use error_report() for --display errors 

Results in nicer error messages.  Before this patch:

    Invalid GTK option string: gtk,lirum-larum

After:

    qemu-system-x86_64: -display gtk,lirum-larum: Invalid GTK option string

Of course, the thing ought to use QemuOpts instead of parsing by hand.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Markus Armbruster 2015-02-13 18:23:45 +01:00
parent 1459407e88
commit c6bf0f7ffa
1 changed files with 8 additions and 8 deletions
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16
vl.c
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@ -2098,13 +2098,13 @@ static DisplayType select_display(const char *p)
}
} else {
invalid_sdl_args:
fprintf(stderr, "Invalid SDL option string: %s\n", p);
error_report("Invalid SDL option string");
exit(1);
}
opts = nextopt;
}
#else
fprintf(stderr, "SDL support is disabled\n");
error_report("SDL support is disabled");
exit(1);
#endif
} else if (strstart(p, "vnc", &opts)) {
@ -2115,18 +2115,18 @@ static DisplayType select_display(const char *p)
exit(1);
}
} else {
fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
error_report("VNC requires a display argument vnc=<display>");
exit(1);
}
#else
fprintf(stderr, "VNC support is disabled\n");
error_report("VNC support is disabled");
exit(1);
#endif
} else if (strstart(p, "curses", &opts)) {
#ifdef CONFIG_CURSES
display = DT_CURSES;
#else
fprintf(stderr, "Curses support is disabled\n");
error_report("Curses support is disabled");
exit(1);
#endif
} else if (strstart(p, "gtk", &opts)) {
@ -2155,19 +2155,19 @@ static DisplayType select_display(const char *p)
}
} else {
invalid_gtk_args:
fprintf(stderr, "Invalid GTK option string: %s\n", p);
error_report("Invalid GTK option string");
exit(1);
}
opts = nextopt;
}
#else
fprintf(stderr, "GTK support is disabled\n");
error_report("GTK support is disabled");
exit(1);
#endif
} else if (strstart(p, "none", &opts)) {
display = DT_NONE;
} else {
fprintf(stderr, "Unknown display type: %s\n", p);
error_report("Unknown display type");
exit(1);
}