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error: Track locations on command line

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New LOC_CMDLINE.  Use it for tracking option with argument in
lookup_opt().  We now report errors like this

    qemu: -device smbus-eeprom: Did not find I2C bus for smbus-eeprom
This commit is contained in:
Markus Armbruster 2010-02-18 20:13:51 +01:00
parent ef82516d8f
commit 0f0bc3f1d5
3 changed files with 27 additions and 5 deletions
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9
vl.c
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@ -4796,6 +4796,7 @@ static const QEMUOption *lookup_opt(int argc, char **argv,
char *r = argv[optind];
const char *optarg;
loc_set_cmdline(argv, optind, 1);
optind++;
/* Treat --foo the same as -foo. */
if (r[1] == '-')
@ -4803,8 +4804,7 @@ static const QEMUOption *lookup_opt(int argc, char **argv,
popt = qemu_options;
for(;;) {
if (!popt->name) {
fprintf(stderr, "%s: invalid option -- '%s'\n",
argv[0], r);
error_report("invalid option");
exit(1);
}
if (!strcmp(popt->name, r + 1))
@ -4813,11 +4813,11 @@ static const QEMUOption *lookup_opt(int argc, char **argv,
}
if (popt->flags & HAS_ARG) {
if (optind >= argc) {
fprintf(stderr, "%s: option '%s' requires an argument\n",
argv[0], r);
error_report("requires an argument");
exit(1);
}
optarg = argv[optind++];
loc_set_cmdline(argv, optind - 2, 2);
} else {
optarg = NULL;
}
@ -5662,6 +5662,7 @@ int main(int argc, char **argv, char **envp)
}
}
}
loc_set_none();
/* If no data_dir is specified then try to find it relative to the
executable path. */