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head: report file open errors with exitcode 1 (was happily returning 0) 

head_main                                            409     417      +8
This commit is contained in:
Denis Vlasenko 2008-11-11 22:43:10 +00:00
parent 272710fe93
commit 0d8736772d
1 changed files with 4 additions and 4 deletions
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8
coreutils/head.c
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@ -40,7 +40,6 @@ int head_main(int argc, char **argv)
int count_bytes = 0;
int header_threshhold = 1;
#endif
FILE *fp;
const char *fmt;
char *p;
@ -50,7 +49,7 @@ int head_main(int argc, char **argv)
#if ENABLE_INCLUDE_SUSv2 || ENABLE_FEATURE_FANCY_HEAD
/* Allow legacy syntax of an initial numeric option without -n. */
if (argc > 1 && argv[1][0] == '-'
if (argv[1] && argv[1][0] == '-'
&& isdigit(argv[1][1])
) {
--argc;
@ -79,7 +78,6 @@ int head_main(int argc, char **argv)
#if ENABLE_INCLUDE_SUSv2 || ENABLE_FEATURE_FANCY_HEAD
GET_COUNT:
#endif
#if !ENABLE_FEATURE_FANCY_HEAD
count = xatoul(p);
#else
@ -128,10 +126,12 @@ int head_main(int argc, char **argv)
putchar(c);
}
if (fclose_if_not_stdin(fp)) {
bb_simple_perror_msg(*argv); /* Avoid multibyte problems. */
bb_simple_perror_msg(*argv);
retval = EXIT_FAILURE;
}
die_if_ferror_stdout();
} else {
retval = EXIT_FAILURE;
}
fmt = header_fmt_str;
} while (*++argv);