eol.c

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/***********************************************************
 * I_get_to_eol (line,len,fd)
 *
 * Reads from fd until the newline, copying the first len-1
 * characters into line.  The newline is not copied.
 * len should be the length of line in bytes. This allows for
 * a NULL to be added at the end.
 ***********************************************************/
 
#include <grass/imagery.h>
#include <stdio.h>
 
int I_get_to_eol(char *line, int len, FILE *fd)
{
    int c;
    int n;
 
    n = len - 1;
    while ((c = fgetc(fd)) >= 0 && c != '\n')
        if (n-- > 0)
            *line++ = c;
    if (len > 0)
        *line = 0;
    return c == '\n';
}