/*
* Try to make the needed options complete by looking through the data file,
* environment variables and registry entries.
*/
void complete_options(void)
{
/* Try to find a descent RelDir */
if( !RelDir ) {
DWORD sz = 32;
while (1) {
DWORD nsz;
if (RelDir)
free(RelDir);
RelDir = malloc(sz);
if (!RelDir) {
fprintf(stderr, "** Error : failed to allocate memory\n");
exit(1);
}
SetLastError(0);
nsz = GetEnvironmentVariable((LPCTSTR) "RELDIR",
(LPTSTR) RelDir,
sz);
if (nsz == 0 && GetLastError() == ERROR_ENVVAR_NOT_FOUND) {
free(RelDir);
RelDir = NULL;
break;
}
else if (nsz <= sz)
break;
else
sz = nsz;
}
if (RelDir == NULL) {
if(DataFileName) {
/* Needs to be absolute for this to work, but we
can try... */
read_datafile();
read_registry_keys();
} else {
/* Impossible to find all data... */
exit_help("Need either Release directory or an absolute "
"datafile name.");
}
/* Ok, construct our own RelDir from RootDir */
RelDir = (char *) malloc(strlen(RootDir)+strlen(RELEASE_SUBDIR)+1);
assert(RelDir);
sprintf(RelDir, "%s" RELEASE_SUBDIR, RootDir);
} else {
read_datafile();
read_registry_keys();
}
} else {
read_datafile();
read_registry_keys();
}
read_bootflags();
#ifdef _DEBUG
fprintf(stderr, "RelDir: '%s'\n", RelDir);
#endif
}
/*
* Try to make the needed options complete by looking through the data file,
* environment variables and registry entries.
*/
void complete_options(void)
{
/* Try to find a descent RelDir */
if( !RelDir ) {
DWORD sz = 32;
while (1) {
DWORD nsz;
if (RelDir)
free(RelDir);
RelDir = malloc(sz);
if (!RelDir) {
fprintf(stderr, "** Error : failed to allocate memory\n");
exit(1);
}
SetLastError(0);
nsz = GetEnvironmentVariable((LPCTSTR) "RELDIR",
(LPTSTR) RelDir,
sz);
if (nsz == 0 && GetLastError() == ERROR_ENVVAR_NOT_FOUND) {
free(RelDir);
RelDir = NULL;
break;
}
else if (nsz <= sz)
break;
else
sz = nsz;
}
if (RelDir == NULL) {
if (!RootDir) {
/* Impossible to find all data... */
exit_help("Need either Root directory nor Release directory.");
}
/* Ok, construct our own RelDir from RootDir */
RelDir = (char *) malloc(strlen(RootDir)+strlen(RELEASE_SUBDIR)+1);
assert(RelDir);
sprintf(RelDir, "%s" RELEASE_SUBDIR, RootDir);
read_datafile();
} else {
read_datafile();
}
} else {
read_datafile();
}
if( !RootDir ) {
/* Try to construct RootDir from RelDir */
char *p;
RootDir = malloc(strlen(RelDir)+1);
strcpy(RootDir,RelDir);
p = RootDir+strlen(RootDir)-1;
if (p >= RootDir && (*p == '/' || *p == '\\'))
--p;
while (p >= RootDir && *p != '/' && *p != '\\')
--p;
if (p <= RootDir) { /* Empty RootDir is also an error */
exit_help("Cannot determine Root directory from "
"Release directory.");
}
*p = '\0';
}
BinDir = (char *) malloc(strlen(RootDir)+strlen(ERTS_SUBDIR_PREFIX)+
strlen(Version)+strlen(BIN_SUBDIR)+1);
assert(BinDir);
sprintf(BinDir, "%s" ERTS_SUBDIR_PREFIX "%s" BIN_SUBDIR, RootDir, Version);
read_bootflags();
#ifdef _DEBUG
fprintf(stderr, "RelDir: '%s'\n", RelDir);
fprintf(stderr, "BinDir: '%s'\n", BinDir);
#endif
}
