fix(eval): correct failure return value for readfile/blob (#27722)

Currently returns 0 on failure, but should return an empty list (or blob).

Regressed in the big blob port of '21 (#15211).
This commit is contained in:
Sean Dewar 2024-03-03 22:33:28 +00:00 committed by GitHub
parent 3971797be1
commit bf0c69e504
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@ -6005,6 +6005,12 @@ static void read_file_or_blob(typval_T *argvars, typval_T *rettv, bool always_bl
}
}
if (blob) {
tv_blob_alloc_ret(rettv);
} else {
tv_list_alloc_ret(rettv, kListLenUnknown);
}
// Always open the file in binary mode, library functions have a mind of
// their own about CR-LF conversion.
const char *const fname = tv_get_string(&argvars[0]);
@ -6019,7 +6025,6 @@ static void read_file_or_blob(typval_T *argvars, typval_T *rettv, bool always_bl
}
if (blob) {
tv_blob_alloc_ret(rettv);
if (read_blob(fd, rettv, offset, size) == FAIL) {
semsg(_(e_notread), fname);
}
@ -6027,7 +6032,7 @@ static void read_file_or_blob(typval_T *argvars, typval_T *rettv, bool always_bl
return;
}
list_T *const l = tv_list_alloc_ret(rettv, kListLenUnknown);
list_T *const l = rettv->vval.v_list;
while (maxline < 0 || tv_list_len(l) < maxline) {
int readlen = (int)fread(buf, 1, (size_t)io_size, fd);