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separate out construction of command line argument string vector

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This commit is contained in:
Vincent Sanders 2019-12-10 17:55:50 +00:00
parent 2f7de349ea
commit 56ddeed96c
1 changed files with 54 additions and 23 deletions
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77
frontends/windows/main.c
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@ -308,6 +308,55 @@ static nserror nsw32_messages_init(char **respaths)
return res;
}
/**
* Construct a unix style argc/argv
*/
static nserror win32_to_unix_commandline(int *argc_out, char ***argv_out)
{
int argc = 0;
char **argv;
int cura;
LPWSTR *argvw;
argvw = CommandLineToArgvW(GetCommandLineW(), &argc);
if (argvw == NULL) {
return NSERROR_INVALID;
}
argv = malloc(sizeof(char *) * argc);
if (argv == NULL) {
return NSERROR_NOMEM;
}
for (cura = 0; cura < argc; cura++) {
len = wcstombs(NULL, argvw[cura], 0) + 1;
if (len > 0) {
argv[cura] = malloc(len);
if (argv[cura] == NULL) {
free(argv);
return NSERROR_NOMEM;
}
} else {
free(argv);
return NSERROR_INVALID;
}
wcstombs(argv[cura], argvw[cura], len);
/* alter windows-style forward slash flags to hyphen flags. */
if (argv[cura][0] == '/') {
argv[cura][0] = '-';
}
}
*argc_out = argc;
*argv_out = argv;
return NSERROR_OK;
}
static struct gui_misc_table win32_misc_table = {
.schedule = win32_schedule,
};
@ -319,9 +368,8 @@ int WINAPI
WinMain(HINSTANCE hInstance, HINSTANCE hLastInstance, LPSTR lpcli, int ncmd)
{
char **argv = NULL;
int argc = 0, argctemp = 0;
int argc = 0;
size_t len;
LPWSTR *argvw;
nserror ret;
const char *addr;
nsurl *url;
@ -347,27 +395,10 @@ WinMain(HINSTANCE hInstance, HINSTANCE hLastInstance, LPSTR lpcli, int ncmd)
setbuf(stderr, NULL);
/* Construct a unix style argc/argv */
if (SLEN(lpcli) > 0) {
argvw = CommandLineToArgvW(GetCommandLineW(), &argc);
}
argv = malloc(sizeof(char *) * argc);
while (argctemp < argc) {
len = wcstombs(NULL, argvw[argctemp], 0) + 1;
if (len > 0) {
argv[argctemp] = malloc(len);
}
if (argv[argctemp] != NULL) {
wcstombs(argv[argctemp], argvw[argctemp], len);
/* alter windows-style forward slash flags to
* hyphen flags.
*/
if (argv[argctemp][0] == '/')
argv[argctemp][0] = '-';
}
argctemp++;
ret = win32_to_unix_commandline(&argc, &argv);
if (ret != NSERROR_OK) {
/* no log as logging requires this for initialisation */
return 1;
}
/* initialise logging - not fatal if it fails but not much we