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style(9): use err() instead of perror() + exit().

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This commit is contained in:
Tim J. Robbins 2002-05-27 06:37:34 +00:00
parent 3662a24058
commit f1e20ff77e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=97337
1 changed files with 11 additions and 20 deletions
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31
usr.bin/nl/nl.c
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@ -44,6 +44,7 @@ __RCSID("$FreeBSD$");
#include <sys/types.h>
#include <err.h>
#include <errno.h>
#include <limits.h>
#include <locale.h>
@ -263,10 +264,8 @@ main(argc, argv)
case 0:
break;
case 1:
if (freopen(argv[0], "r", stdin) == NULL) {
perror(argv[0]);
exit(EXIT_FAILURE);
}
if (freopen(argv[0], "r", stdin) == NULL)
err(EXIT_FAILURE, "%s", argv[0]);
break;
default:
usage();
@ -278,17 +277,13 @@ main(argc, argv)
val = LINE_MAX;
/* Allocate sufficient buffer space (including the terminating NUL). */
buffersize = (size_t)val + 1;
if ((buffer = malloc(buffersize)) == NULL) {
perror("cannot allocate input line buffer");
exit(EXIT_FAILURE);
}
if ((buffer = malloc(buffersize)) == NULL)
err(EXIT_FAILURE, "cannot allocate input line buffer");
/* Allocate a buffer suitable for preformatting line number. */
intbuffersize = max(INT_STRLEN_MAXIMUM, width) + 1; /* NUL */
if ((intbuffer = malloc(intbuffersize)) == NULL) {
perror("cannot allocate preformatting buffer");
exit(EXIT_FAILURE);
}
if ((intbuffer = malloc(intbuffersize)) == NULL)
err(EXIT_FAILURE, "cannot allocate preformatting buffer");
/* Do the work. */
filter();
@ -367,18 +362,14 @@ filter()
}
(void)printf("%s%s", sep, buffer);
if (ferror(stdout)) {
perror("output error");
exit(EXIT_FAILURE);
}
if (ferror(stdout))
err(EXIT_FAILURE, "output error");
nextline:
;
}
if (ferror(stdin)) {
perror("input error");
exit(EXIT_FAILURE);
}
if (ferror(stdin))
err(EXIT_FAILURE, "input error");
}
/*