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/*
Logging
Functions:
int LogAppendLineFormatted(char *filename, char *str)
---
*/
#include "xsw.h"
int LogAppendLineFormatted(char *filename, char *str)
{
FILE *fp;
int len, bytes_written;
/* Make sure str is valid. */
if((filename == NULL) ||
(str == NULL)
)
return(-1);
else if(str[0] == '\0')
return(0);
/* ************************************************************ */
/* Open or create file for appending. */
fp = fopen(filename, "a");
if(fp == NULL)
{
fprintf(stderr,
"%s: Cannot open or create.\n",
filename
);
return(-1);
}
/* Append the line. */
len = strlen(str);
bytes_written = fwrite(str, sizeof(char), len, fp);
/* Close the file. */
fclose(fp);
fp = NULL;
/* Return the number of bytes written. */
return(bytes_written);
}
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