IncrementFilename.c File Reference

Functions for incrementing filename indices. More...

#include <stdio.h>

Go to the source code of this file.

Functions
void	IncrementFilenameIndex (char *f, int len)
void	ResetFilenameIndex (char *f, int len)

Detailed Description

Functions for incrementing filename indices.

Author

Debojyoti Ghosh

Definition in file IncrementFilename.c.

Function Documentation

IncrementFilenameIndex()

void IncrementFilenameIndex	(	char *	f,
		int	len
	)

Increment the output filename of the form op_nnnnn.dat by 1, i.e., the number represented by the string nnnnn is incremented by 1.

Increment a character string representing an integer by 1. For example: "00002" -> "00003"; "3421934" -> "3421935"; "999" -> "000". The string can be of arbitrary length.

Parameters

f	Character string representing the integer
len	Length of the string

Definition at line 46 of file IncrementFilename.c.

{
  int i;
  for (i=len-1; i>=0; i--) {
    if (f[i] == '9') {
      f[i] = '0';
      if (!i) fprintf(stderr,"Warning: file increment hit max limit. Resetting to zero.\n");
    } else {
      f[i]++;
      break;
    }
  }
}

ResetFilenameIndex()

void ResetFilenameIndex	(	char *	f,
		int	len
	)

Resets the index to "0000..." of a desired length.

Parameters

f	Character string representing the integer
len	Length of the string

Definition at line 64 of file IncrementFilename.c.

{
  if (!f) return;
  int i;
  for (i = 0; i < len; i++) {
    f[i] = '0';
  }
  return;
}