/*
* returns the content of a json file wrapped in parenthesis
* so that they can be directly evaluated as js. Currently
* we don't have a C JSON parse API.
*/
static char *read_json_file(const char *path) {
c_file_t fp;
char *p;
long file_size;
if ((fp = c_fopen(path, "r")) == INVALID_FILE) {
return NULL;
} else if ((file_size = v7_get_file_size(fp)) <= 0) {
c_fclose(fp);
return NULL;
} else if ((p = (char *) calloc(1, (size_t) file_size + 3)) == NULL) {
c_fclose(fp);
return NULL;
} else {
c_rewind(fp);
if ((c_fread(p + 1, 1, (size_t) file_size, fp) < (size_t) file_size) &&
c_ferror(fp)) {
c_fclose(fp);
return NULL;
}
c_fclose(fp);
p[0] = '(';
p[file_size + 1] = ')';
return p;
}
}
/*
* returns the content of a json file wrapped in parenthesis
* so that they can be directly evaluated as js. Currently
* we don't have a C JSON parse API.
*/
static char *read_json_file(const char *path) {
c_file_t fp;
char *p;
long file_size;
if ((fp = c_fopen(path, "r")) == INVALID_FILE) {
return NULL;
/*
* TODO(alashkin): add function sj_get_file_size to HAL interface
* and remove v7_get_file_size from everywhere
*/
} else if ((file_size = v7_get_file_size(fp)) <= 0) {
c_fclose(fp);
return NULL;
} else if ((p = (char *) calloc(1, (size_t) file_size + 3)) == NULL) {
c_fclose(fp);
return NULL;
} else {
c_rewind(fp);
if ((c_fread(p + 1, 1, (size_t) file_size, fp) < (size_t) file_size) &&
c_ferror(fp)) {
c_fclose(fp);
return NULL;
}
c_fclose(fp);
p[0] = '(';
p[file_size + 1] = ')';
return p;
}
}
XFILE *xfopen(const char *fname, const char *mode)
{ ENV *env = get_env_ptr();
XFILE *fp;
int type;
void *fh;
if (!is_gz_file(fname))
{ type = FH_FILE;
fh = c_fopen(fname, mode);
}
else
{ type = FH_ZLIB;
fh = z_fopen(fname, mode);
}
if (fh == NULL)
{ fp = NULL;
goto done;
}
fp = xmalloc(sizeof(XFILE));
fp->type = type;
fp->fh = fh;
fp->prev = NULL;
fp->next = env->file_ptr;
if (fp->next != NULL) fp->next->prev = fp;
env->file_ptr = fp;
done: return fp;
}
LUALIB_API int luaL_loadfile (lua_State *L, const char *filename) {
LoadF lf;
int status, readstatus;
int c;
int fnameindex = lua_gettop(L) + 1; /* index of filename on the stack */
lf.extraline = 0;
if (filename == NULL) {
lua_pushliteral(L, "=stdin");
lf.f = c_stdin;
}
else {
lua_pushfstring(L, "@%s", filename);
lf.f = c_fopen(filename, "r");
if (lf.f == NULL) return errfile(L, "open", fnameindex);
}
c = c_getc(lf.f);
if (c == '#') { /* Unix exec. file? */
lf.extraline = 1;
while ((c = c_getc(lf.f)) != EOF && c != '\n') ; /* skip first line */
if (c == '\n') c = c_getc(lf.f);
}
if (c == LUA_SIGNATURE[0] && filename) { /* binary file? */
lf.f = c_freopen(filename, "rb", lf.f); /* reopen in binary mode */
if (lf.f == NULL) return errfile(L, "reopen", fnameindex);
/* skip eventual `#!...' */
while ((c = c_getc(lf.f)) != EOF && c != LUA_SIGNATURE[0]) ;
lf.extraline = 0;
}
c_ungetc(c, lf.f);
status = lua_load(L, getF, &lf, lua_tostring(L, -1));
readstatus = c_ferror(lf.f);
if (filename) c_fclose(lf.f); /* close file (even in case of errors) */
if (readstatus) {
lua_settop(L, fnameindex); /* ignore results from `lua_load' */
return errfile(L, "read", fnameindex);
}
lua_remove(L, fnameindex);
return status;
}