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tools/lib/vsprintf.c 900 Bytes
b24413180   Greg Kroah-Hartman   License cleanup: ...
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  // SPDX-License-Identifier: GPL-2.0
d0761e37f   Arnaldo Carvalho de Melo   perf tools: Uninl...
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  #include <sys/types.h>
  #include <linux/kernel.h>
  #include <stdio.h>
  
  int vscnprintf(char *buf, size_t size, const char *fmt, va_list args)
  {
         int i = vsnprintf(buf, size, fmt, args);
         ssize_t ssize = size;
  
         return (i >= ssize) ? (ssize - 1) : i;
  }
  
  int scnprintf(char * buf, size_t size, const char * fmt, ...)
  {
         ssize_t ssize = size;
         va_list args;
         int i;
  
         va_start(args, fmt);
         i = vsnprintf(buf, size, fmt, args);
         va_end(args);
  
         return (i >= ssize) ? (ssize - 1) : i;
  }
1c4924220   Jiri Olsa   perf script: Pad ...
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  int scnprintf_pad(char * buf, size_t size, const char * fmt, ...)
  {
  	ssize_t ssize = size;
  	va_list args;
  	int i;
  
  	va_start(args, fmt);
  	i = vscnprintf(buf, size, fmt, args);
  	va_end(args);
  
  	if (i < (int) size) {
  		for (; i < (int) size; i++)
  			buf[i] = ' ';
  		buf[i] = 0x0;
  	}
  
  	return (i >= ssize) ? (ssize - 1) : i;
  }