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