static FILE *openScriptFile(JSContext *cx, const char *scriptFilename, int skipSheBang)
{
FILE *file = fopen(scriptFilename, "r");
char line[64]; /* #! args can be longer than 64 on some unices, but no matter */
if (!file)
return NULL;
gpsee_flock(fileno(file), GPSEE_LOCK_SH);
if (!skipSheBang)
return file;
if (fgets(line, sizeof(line), file))
{
if ((line[0] != '#') || (line[1] != '!'))
{
gpsee_log(cx, GLOG_NOTICE, PRODUCT_SHORTNAME ": Warning: First line of "
"file-interpreter script does not contain #!");
rewind(file);
}
else
{
do /* consume entire first line, regardless of length */
{
if (strchr(line, '\n'))
break;
} while(fgets(line, sizeof(line), file));
ungetc('\n', file); /* Make spidermonkey think the script starts with a blank line, to keep line numbers in sync */
}
}
return file;
}
static FILE * rpmjsOpenFile(rpmjs js, const char * fn, const char ** msgp)
/*@modifies js @*/
{
FILE * fp = NULL;
fp = fopen(fn, "r");
if (fp == NULL || ferror(fp)) {
if (fp) {
if (msgp)
*msgp = xstrdup(strerror(errno));
(void) fclose(fp);
fp = NULL;
} else {
if (msgp) /* XXX FIXME: add __FUNCTION__ identifier? */
*msgp = xstrdup("unknown error");
}
goto exit;
}
gpsee_flock(fileno(fp), GPSEE_LOCK_SH);
if (F_ISSET(js->flags, SKIPSHEBANG)) {
char buf[BUFSIZ];
if (fgets(buf, sizeof(buf), fp)) {
if (!(buf[0] == '#' && buf[1] == '!')) {
/* XXX FIXME: return through *msgp */
rpmlog(RPMLOG_WARNING, "%s: %s: no \'#!\' on 1st line\n",
__FUNCTION__, fn);
rewind(fp);
} else {
#ifdef NOTYET /* XXX FIXME */
gpsee_interpreter_t * I = js->I;
I->linenoOffset += 1;
#endif /* NOTYET */
do { /* consume entire first line, regardless of length */
if (strchr(buf, '\n'))
break;
} while (fgets(buf, sizeof(buf), fp));
/*
* Make spidermonkey think the script starts with a blank line,
* to keep line numbers in sync.
*/
ungetc('\n', fp);
}
}
}
exit:
if (_rpmjs_debug)
fprintf(stderr, "<== %s(%p,%s,%p) fp %p\n", __FUNCTION__, js, fn, msgp, fp);
return fp;
}
