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35 lines
908 B
35 lines
908 B
7 months ago
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/*
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* Copyright (c) 2017 IBM Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdarg.h>
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#include <stdio.h>
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int cmd_scanf(const char *cmd, const char *fmt, ...) {
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va_list args;
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FILE *pipe;
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va_start(args, fmt);
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pipe = popen(cmd, "r");
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if (pipe == NULL) {
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va_end(args);
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return -1;
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}
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vfscanf(pipe, fmt, args);
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va_end(args);
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pclose(pipe);
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return 0;
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}
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