sbase

suckless unix tools
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fshut.c (717B)


      1 /* See LICENSE file for copyright and license details. */
      2 #include <stdio.h>
      3 #include <stdlib.h>
      4 
      5 #include "../util.h"
      6 
      7 int
      8 fshut(FILE *fp, const char *fname)
      9 {
     10 	int ret = 0;
     11 
     12 	/* fflush() is undefined for input streams by ISO C,
     13 	 * but not POSIX 2008 if you ignore ISO C overrides.
     14 	 * Leave it unchecked and rely on the following
     15 	 * functions to detect errors.
     16 	 */
     17 	fflush(fp);
     18 
     19 	if (ferror(fp) && !ret) {
     20 		weprintf("ferror %s:", fname);
     21 		ret = 1;
     22 	}
     23 
     24 	if (fclose(fp) && !ret) {
     25 		weprintf("fclose %s:", fname);
     26 		ret = 1;
     27 	}
     28 
     29 	return ret;
     30 }
     31 
     32 void
     33 enfshut(int status, FILE *fp, const char *fname)
     34 {
     35 	if (fshut(fp, fname))
     36 		exit(status);
     37 }
     38 
     39 void
     40 efshut(FILE *fp, const char *fname)
     41 {
     42 	enfshut(1, fp, fname);
     43 }