GRASS Programmer's Manual  6.4.2(2012)
eol.c
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00001 
00002 /***********************************************************
00003 * I_get_to_eol (line,len,fd)
00004 *
00005 * Reads from fd until the newline, copying the first len-1
00006 * characters into line.  The newline is not copied.
00007 * len should be the length of line in bytes. This allows for
00008 * a NULL to be added at the end.
00009 ***********************************************************/
00010 #include <grass/imagery.h>
00011 #include <stdio.h>
00012 int I_get_to_eol(char *line, int len, FILE * fd)
00013 {
00014     int c;
00015     int n;
00016 
00017     n = len - 1;
00018     while ((c = fgetc(fd)) >= 0 && c != '\n')
00019         if (n-- > 0)
00020             *line++ = c;
00021     if (len > 0)
00022         *line = 0;
00023     return c == '\n';
00024 }
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