/**
* Initializes the find paths.
*
* @returns 0 on success, non-zero on failure.
*/
int kldrDyldFindInit(void)
{
KSIZE cch;
int rc;
char szTmp[sizeof(kLdrDyldDefSuffix)];
/*
* The kLdr search parameters.
*/
rc = kHlpGetEnv("KLDR_LIBRARY_PATH", kLdrDyldLibraryPath, sizeof(kLdrDyldLibraryPath));
rc = kHlpGetEnv("KLDR_DEF_PREFIX", szTmp, sizeof(szTmp));
if (!rc)
kHlpMemCopy(kLdrDyldDefPrefix, szTmp, sizeof(szTmp));
rc = kHlpGetEnv("KLDR_DEF_SUFFIX", szTmp, sizeof(szTmp));
if (!rc)
kHlpMemCopy(kLdrDyldDefSuffix, szTmp, sizeof(szTmp));
/*
* The OS/2 search parameters.
*/
#if K_OS == K_OS_OS2
rc = DosQueryHeaderInfo(NULLHANDLE, 0, kLdrDyldOS2Libpath, sizeof(kLdrDyldOS2Libpath), QHINF_LIBPATH);
if (rc)
return rc;
rc = DosQueryExtLIBPATH((PSZ)kLdrDyldOS2LibpathStrict, LIBPATHSTRICT);
if (rc)
kLdrDyldOS2LibpathStrict[0] = '\0';
rc = DosQueryExtLIBPATH((PSZ)kLdrDyldOS2BeginLibpath, BEGIN_LIBPATH);
if (rc)
kLdrDyldOS2BeginLibpath[0] = '\0';
rc = DosQueryExtLIBPATH((PSZ)kLdrDyldOS2EndLibpath, END_LIBPATH);
if (rc)
kLdrDyldOS2EndLibpath[0] = '\0';
#else
kHlpGetEnv("KLDR_OS2_LIBPATH", kLdrDyldOS2Libpath, sizeof(kLdrDyldOS2Libpath));
kHlpGetEnv("KLDR_OS2_LIBPATHSTRICT", kLdrDyldOS2LibpathStrict, sizeof(kLdrDyldOS2LibpathStrict));
if ( kLdrDyldOS2LibpathStrict[0] == 'T'
|| kLdrDyldOS2LibpathStrict[0] == 't')
kLdrDyldOS2LibpathStrict[0] = 'T';
else
kLdrDyldOS2LibpathStrict[0] = '\0';
kLdrDyldOS2LibpathStrict[1] = '\0';
kHlpGetEnv("KLDR_OS2_BEGINLIBPATH", kLdrDyldOS2BeginLibpath, sizeof(kLdrDyldOS2BeginLibpath));
kHlpGetEnv("KLDR_OS2_ENDLIBPATH", kLdrDyldOS2EndLibpath, sizeof(kLdrDyldOS2EndLibpath));
#endif
/*
* The windows search parameters.
*/
#if K_OS == K_OS_WINDOWS
cch = GetSystemDirectory(kLdrDyldWindowsSystemDir, sizeof(kLdrDyldWindowsSystemDir));
if (cch >= sizeof(kLdrDyldWindowsSystemDir))
return (rc = GetLastError()) ? rc : -1;
cch = GetWindowsDirectory(kLdrDyldWindowsDir, sizeof(kLdrDyldWindowsDir));
if (cch >= sizeof(kLdrDyldWindowsDir))
return (rc = GetLastError()) ? rc : -1;
kHlpGetEnv("PATH", kLdrDyldWindowsPath, sizeof(kLdrDyldWindowsPath));
#else
kHlpGetEnv("KLDR_WINDOWS_SYSTEM_DIR", kLdrDyldWindowsSystemDir, sizeof(kLdrDyldWindowsSystemDir));
kHlpGetEnv("KLDR_WINDOWS_DIR", kLdrDyldWindowsDir, sizeof(kLdrDyldWindowsDir));
rc = kHlpGetEnv("KLDR_WINDOWS_PATH", kLdrDyldWindowsPath, sizeof(kLdrDyldWindowsPath));
if (rc)
kHlpGetEnv("PATH", kLdrDyldWindowsPath, sizeof(kLdrDyldWindowsPath));
#endif
/*
* The Unix search parameters.
*/
rc = kHlpGetEnv("KLDR_UNIX_LIBRARY_PATH", kLdrDyldUnixLibraryPath, sizeof(kLdrDyldUnixLibraryPath));
if (rc)
kHlpGetEnv("LD_LIBRARY_PATH", kLdrDyldUnixLibraryPath, sizeof(kLdrDyldUnixLibraryPath));
(void)cch;
return 0;
}
void
initvar(shinstance *psh)
{
const struct varinit *ip;
struct var *vp;
struct var **vpp;
#ifdef PC_OS2_LIBPATHS
char *psz = ckmalloc(psh, 2048);
int rc;
int i;
for (i = 0; i < 4; i++)
{
psh->libpath_vars[i].flags = VSTRFIXED | VOS2LIBPATH;
psh->libpath_vars[i].func = NULL;
if (i > 0)
{
psz[0] = psz[1] = psz[2] = psz[3] = '\0';
rc = DosQueryExtLIBPATH(psz, i);
}
else
{
rc = DosQueryHeaderInfo(NULLHANDLE, 0, psz, 2048, QHINF_LIBPATH);
psh->libpath_vars[i].flags |= VREADONLY;
}
if (!rc && *psz)
{
int cch1 = strlen(libpath_envs[i]);
int cch2 = strlen(psz) + 1;
psh->libpath_vars[i].text = ckmalloc(psh, cch1 + cch2);
memcpy(psh->libpath_vars[i].text, libpath_envs[i], cch1);
memcpy(psh->libpath_vars[i].text + cch1, psz, cch2);
}
else
{
psh->libpath_vars[i].flags |= VUNSET | VTEXTFIXED;
psh->libpath_vars[i].text = (char*)libpath_envs[i];
}
if (find_var(psh, psh->libpath_vars[i].text, &vpp, &psh->libpath_vars[i].name_len) != NULL)
continue;
psh->libpath_vars[i].next = *vpp;
*vpp = &psh->libpath_vars[i];
}
ckfree(psh, psz);
#endif
for (ip = varinit; ip->text; ip++) {
vp = (struct var *)((char *)psh + ip->var_off);
if (find_var(psh, ip->text, &vpp, &vp->name_len) != NULL)
continue;
vp->next = *vpp;
*vpp = vp;
vp->text = sh_strdup(psh, ip->text);
vp->flags = ip->flags;
vp->func = ip->func;
}
/*
* PS1 depends on uid
*/
if (find_var(psh, "PS1", &vpp, &psh->vps1.name_len) == NULL) {
psh->vps1.next = *vpp;
*vpp = &psh->vps1;
#ifdef KBUILD_VERSION_MAJOR
psh->vps1.text = sh_strdup(psh, sh_geteuid(psh) ? "PS1=kash$ " : "PS1=kash# ");
#else
psh->vps1.text = sh_strdup(psh, sh_geteuid(psh) ? "PS1=$ " : "PS1=# ");
#endif
psh->vps1.flags = VSTRFIXED|VTEXTFIXED;
}
}
void
initvar(void)
{
const struct varinit *ip;
struct var *vp;
struct var **vpp;
#ifdef PC_OS2_LIBPATHS
char *psz = ckmalloc(2048);
int rc;
int i;
for (i = 0; i < 4; i++)
{
libpath_vars[i].flags = VSTRFIXED | VOS2LIBPATH;
libpath_vars[i].func = NULL;
if (i > 0)
{
psz[0] = psz[1] = psz[2] = psz[3] = '\0';
rc = DosQueryExtLIBPATH(psz, i);
}
else
{
rc = DosQueryHeaderInfo(NULLHANDLE, 0, psz, 2048, QHINF_LIBPATH);
libpath_vars[i].flags |= VREADONLY;
}
if (!rc && *psz)
{
int cch1 = strlen(libpath_envs[i]);
int cch2 = strlen(psz) + 1;
libpath_vars[i].text = ckmalloc(cch1 + cch2);
memcpy(libpath_vars[i].text, libpath_envs[i], cch1);
memcpy(libpath_vars[i].text + cch1, psz, cch2);
}
else
{
libpath_vars[i].flags |= VUNSET | VTEXTFIXED;
libpath_vars[i].text = (char*)libpath_envs[i];
}
if (find_var(libpath_vars[i].text, &vpp, &libpath_vars[i].name_len) != NULL)
continue;
libpath_vars[i].next = *vpp;
*vpp = &libpath_vars[i];
}
free(psz);
#endif
for (ip = varinit ; (vp = ip->var) != NULL ; ip++) {
if (find_var(ip->text, &vpp, &vp->name_len) != NULL)
continue;
vp->next = *vpp;
*vpp = vp;
vp->text = strdup(ip->text);
vp->flags = ip->flags;
vp->func = ip->func;
}
/*
* PS1 depends on uid
*/
if (find_var("PS1", &vpp, &vps1.name_len) == NULL) {
vps1.next = *vpp;
*vpp = &vps1;
vps1.text = strdup(geteuid() ? "PS1=$ " : "PS1=# ");
vps1.flags = VSTRFIXED|VTEXTFIXED;
}
}
