1
0
mirror of https://github.com/cc65/cc65.git synced 2024-11-03 10:07:02 +00:00
cc65/libsrc/common/fputc.c
uz 53dd513176 This commit was generated by cvs2svn to compensate for changes in r2,
which included commits to RCS files with non-trunk default branches.


git-svn-id: svn://svn.cc65.org/cc65/trunk@3 b7a2c559-68d2-44c3-8de9-860c34a00d81
2000-05-28 13:40:48 +00:00

35 lines
531 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 -1;
}
/* Write the byte (knows about byte order!) */
if (write (f->f_fd, &c, 1) <= 0) {
/* Error */
f->f_flags |= _FERROR;
return -1;
}
/* Return the byte written */
return c & 0xFF;
}