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

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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 count_bytes = 0;
int header_threshhold = 1; int header_threshhold = 1;
#endif #endif
FILE *fp; FILE *fp;
const char *fmt; const char *fmt;
char *p; char *p;
@ -50,7 +49,7 @@ int head_main(int argc, char **argv)
#if ENABLE_INCLUDE_SUSv2 || ENABLE_FEATURE_FANCY_HEAD #if ENABLE_INCLUDE_SUSv2 || ENABLE_FEATURE_FANCY_HEAD
/* Allow legacy syntax of an initial numeric option without -n. */ /* 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]) && isdigit(argv[1][1])
) { ) {
--argc; --argc;
@ -79,7 +78,6 @@ int head_main(int argc, char **argv)
#if ENABLE_INCLUDE_SUSv2 || ENABLE_FEATURE_FANCY_HEAD #if ENABLE_INCLUDE_SUSv2 || ENABLE_FEATURE_FANCY_HEAD
GET_COUNT: GET_COUNT:
#endif #endif
#if !ENABLE_FEATURE_FANCY_HEAD #if !ENABLE_FEATURE_FANCY_HEAD
count = xatoul(p); count = xatoul(p);
#else #else
@ -128,10 +126,12 @@ int head_main(int argc, char **argv)
putchar(c); putchar(c);
} }
if (fclose_if_not_stdin(fp)) { if (fclose_if_not_stdin(fp)) {
bb_simple_perror_msg(*argv); /* Avoid multibyte problems. */ bb_simple_perror_msg(*argv);
retval = EXIT_FAILURE; retval = EXIT_FAILURE;
} }
die_if_ferror_stdout(); die_if_ferror_stdout();
} else {
retval = EXIT_FAILURE;
} }
fmt = header_fmt_str; fmt = header_fmt_str;
} while (*++argv); } while (*++argv);