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Fix crash caused by missing command line arguments

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Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6580 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2009-02-09 19:02:09 +00:00
parent 15abc4514e
commit 491150db37
1 changed files with 7 additions and 1 deletions
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8
linux-user/main.c
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@ -2301,6 +2301,8 @@ int main(int argc, char **argv, char **envp)
if (envlist_unsetenv(envlist, r) != 0)
usage();
} else if (!strcmp(r, "s")) {
if (optind >= argc)
break;
r = argv[optind++];
x86_stack_size = strtol(r, (char **)&r, 0);
if (x86_stack_size <= 0)
@ -2312,6 +2314,8 @@ int main(int argc, char **argv, char **envp)
} else if (!strcmp(r, "L")) {
interp_prefix = argv[optind++];
} else if (!strcmp(r, "p")) {
if (optind >= argc)
break;
qemu_host_page_size = atoi(argv[optind++]);
if (qemu_host_page_size == 0 ||
(qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
@ -2319,12 +2323,14 @@ int main(int argc, char **argv, char **envp)
exit(1);
}
} else if (!strcmp(r, "g")) {
if (optind >= argc)
break;
gdbstub_port = atoi(argv[optind++]);
} else if (!strcmp(r, "r")) {
qemu_uname_release = argv[optind++];
} else if (!strcmp(r, "cpu")) {
cpu_model = argv[optind++];
if (strcmp(cpu_model, "?") == 0) {
if (cpu_model == NULL || strcmp(cpu_model, "?") == 0) {
/* XXX: implement xxx_cpu_list for targets that still miss it */
#if defined(cpu_list)
cpu_list(stdout, &fprintf);