look: fix conflict between locally defined err() and glibc's version

Signed-off-by: Davidlohr Bueso <dave@gnu.org>
Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/misc-utils/look.c b/misc-utils/look.c
index 54fbb91832ded1db6230e67faa1162cdb0534298..85a8cc1b2a42c150ee0cdf9cde5ffd261d6b6ec3 100644 (file)
--- a/misc-utils/look.c
+++ b/misc-utils/look.c
@@ -59,8 +59,10 @@
 #include <strings.h>
 #include <ctype.h>
 #include <getopt.h>
-#include "pathnames.h"
+
 #include "nls.h"
+#include "xalloc.h"
+#include "pathnames.h"
 
 #define        EQUAL           0
 #define        GREATER         1
@@ -75,7 +77,6 @@ char *comparbuf;
 
 static char *binary_search (char *, char *);
 static int compare (char *, char *);
-static void err (const char *fmt, ...);
 static char *linear_search (char *, char *);
 static int look (char *, char *);
 static void print_from (char *, char *);
@@ -101,7 +102,7 @@ main(int argc, char *argv[])
        while ((ch = getopt(argc, argv, "adft:")) != -1)
                switch(ch) {
                case 'a':
-                       file = _PATH_WORDS_ALT;
+                       file = _PATH_WORDS_ALT;
                        break;
                case 'd':
                        dflag = 1;
@@ -136,7 +137,7 @@ main(int argc, char *argv[])
                *++p = '\0';
 
        if ((fd = open(file, O_RDONLY, 0)) < 0 || fstat(fd, &sb))
-               err("%s: %s", file, strerror(errno));
+               err(EXIT_FAILURE, "%s", file);
        front = mmap(NULL, (size_t) sb.st_size, PROT_READ,
 #ifdef MAP_FILE
                     MAP_FILE |
@@ -144,11 +145,11 @@ main(int argc, char *argv[])
                     MAP_SHARED, fd, (off_t) 0);
        if
 #ifdef MAP_FAILED
-          (front == MAP_FAILED)
+               (front == MAP_FAILED)
 #else
-          ((void *)(front) <= (void *)0)
+               ((void *)(front) <= (void *)0)
 #endif
-               err("%s: %s", file, strerror(errno));
+                       err(EXIT_FAILURE, "%s", file);
 
 #if 0
        /* workaround for mmap problem (rmiller@duskglow.com) */
@@ -177,9 +178,7 @@ look(char *front, char *back)
        } else
                stringlen = strlen(string);
 
-       comparbuf = malloc(stringlen+1);
-       if (comparbuf == NULL)
-               err(_("Out of memory"));
+       comparbuf = xmalloc(stringlen+1);
 
        front = binary_search(front, back);
        front = linear_search(front, back);
@@ -296,7 +295,7 @@ print_from(char *front, char *back)
                        eol = 0;
                        while (front < back && !eol) {
                                if (putchar(*front) == EOF)
-                                       err("stdout: %s", strerror(errno));
+                                       err(EXIT_FAILURE, "stdout");
                                if (*front++ == '\n')
                                        eol = 1;
                        }
@@ -354,32 +353,3 @@ usage()
        (void)fprintf(stderr, _("usage: look [-dfa] [-t char] string [file]\n"));
        exit(2);
 }
-
-#if __STDC__
-#include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
-
-void
-#if __STDC__
-err(const char *fmt, ...)
-#else
-err(fmt, va_alist)
-       char *fmt;
-       va_dcl
-#endif
-{
-       va_list ap;
-#if __STDC__
-       va_start(ap, fmt);
-#else
-       va_start(ap);
-#endif
-       (void)fprintf(stderr, "look: ");
-       (void)vfprintf(stderr, fmt, ap);
-       va_end(ap);
-       (void)fprintf(stderr, "\n");
-       exit(2);
-       /* NOTREACHED */
-}