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cc65/libsrc/common/fputc.c
cuz 6e37905b18 Completed _scanf.c, added vsscanf.c, rewrote sscanf.c.
Added an assembler include _file.inc and changed asm code that uses struct
FILE to be independent of its size.
Fixed return codes in several files to use EOF instead of -1.


git-svn-id: svn://svn.cc65.org/cc65/trunk@1205 b7a2c559-68d2-44c3-8de9-860c34a00d81
2002-03-24 13:26:18 +00:00

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533 B
C

/*
* fputc.c
*
* Ullrich von Bassewitz, 02.06.1998
*/
#include <stdio.h>
#include <fcntl.h>
#include "_file.h"
int fputc (int c, FILE* f)
{
/* Check if the file is open or if there is an error condition */
if ((f->f_flags & _FOPEN) == 0 || (f->f_flags & (_FERROR | _FEOF)) != 0) {
return EOF;
}
/* Write the byte (knows about byte order!) */
if (write (f->f_fd, &c, 1) <= 0) {
/* Error */
f->f_flags |= _FERROR;
return EOF;
}
/* Return the byte written */
return c & 0xFF;
}