Blame src/components/infiniband/pscanf.h
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/* This file was taken from the tacc_stats utility, which is distributed
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* under a GPL license.
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*/
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#ifndef _PSCANF_H_
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#define _PSCANF_H_
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#include <stdio.h>
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#include <stdarg.h>
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__attribute__((format(scanf, 2, 3)))
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static inline int pscanf(const char *path, const char *fmt, ...)
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{
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int rc = -1;
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FILE *file = NULL;
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char file_buf[4096];
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va_list arg_list;
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va_start(arg_list, fmt);
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file = fopen(path, "r");
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if (file == NULL)
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goto out;
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setvbuf(file, file_buf, _IOFBF, sizeof(file_buf));
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rc = vfscanf(file, fmt, arg_list);
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out:
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if (file != NULL)
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fclose(file);
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va_end(arg_list);
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return rc;
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}
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#endif
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