commit 1436518f9dad063bbfb8dc5595b9c744d025557c
Author: FRIGN <[email protected]>
Date:   Wed Nov 19 20:59:37 2014 +0100

    Use < 0 instead of == -1

diff --git a/chgrp.c b/chgrp.c
index 0a3c38d..b052bba 100644
--- a/chgrp.c
+++ b/chgrp.c
@@ -24,7 +24,7 @@ usage(void)
 static void
 chgrp(const char *path)
 {
-       if (chown(path, st.st_uid, gid) == -1) {
+       if (chown(path, st.st_uid, gid) < 0) {
                weprintf("chown %s:", path);
                failures++;
        }
@@ -57,7 +57,7 @@ main(int argc, char *argv[])
        gid = gr->gr_gid;
 
        while (*++argv) {
-               if (stat(*argv, &st) == -1) {
+               if (stat(*argv, &st) < 0) {
                        weprintf("stat %s:", *argv);
                        failures++;
                        continue;
diff --git a/chmod.c b/chmod.c
index 4b2bc32..9f3ab9e 100644
--- a/chmod.c
+++ b/chmod.c
@@ -65,14 +65,14 @@ chmodr(const char *path)
        struct stat st;
        mode_t m;
 
-       if (stat(path, &st) == -1) {
+       if (stat(path, &st) < 0) {
                weprintf("stat %s:", path);
                ret = 1;
                return;
        }
 
        m = parsemode(modestr, st.st_mode, mask);
-       if (chmod(path, m) == -1) {
+       if (chmod(path, m) < 0) {
                weprintf("chmod %s:", path);
                ret = 1;
        }
diff --git a/chown.c b/chown.c
index 066bd63..5b6178b 100644
--- a/chown.c
+++ b/chown.c
@@ -81,7 +81,7 @@ main(int argc, char *argv[])
 void
 chownpwgr(const char *path)
 {
-       if (chown(path, uid, gid) == -1) {
+       if (chown(path, uid, gid) < 0) {
                weprintf("chown %s:", path);
                ret = 1;
        }
diff --git a/chroot.c b/chroot.c
index db42616..f62af90 100644
--- a/chroot.c
+++ b/chroot.c
@@ -28,10 +28,10 @@ main(int argc, char *argv[])
        if ((aux = getenv("SHELL")))
                shell[0] = aux;
 
-       if (chroot(argv[0]) == -1)
+       if (chroot(argv[0]) < 0)
                eprintf("chroot %s:", argv[0]);
 
-       if (chdir("/") == -1)
+       if (chdir("/") < 0)
                eprintf("chdir:");
 
        if (argc == 1) {
diff --git a/libutil/apathmax.c b/libutil/apathmax.c
index c570329..d2412b8 100644
--- a/libutil/apathmax.c
+++ b/libutil/apathmax.c
@@ -11,7 +11,7 @@ apathmax(char **p, long *size)
 {
        errno = 0;
 
-       if ((*size = pathconf("/", _PC_PATH_MAX)) == -1) {
+       if ((*size = pathconf("/", _PC_PATH_MAX)) < 0) {
                if (errno == 0) {
                        *size = BUFSIZ;
                } else {
diff --git a/libutil/cp.c b/libutil/cp.c
index 3d89233..f274475 100644
--- a/libutil/cp.c
+++ b/libutil/cp.c
@@ -66,7 +66,7 @@ cp(const char *s1, const char *s2)
                if (!(dp = opendir(s1)))
                        eprintf("opendir %s:", s1);
 
-               if (mkdir(s2, st.st_mode) == -1 && errno != EEXIST)
+               if (mkdir(s2, st.st_mode) < 0 && errno != EEXIST)
                        eprintf("mkdir %s:", s2);
 
                apathmax(&ns1, &size1);
@@ -144,7 +144,7 @@ preserve:
                        r = lchown(s2, st.st_uid, st.st_gid);
                else
                        r = chown(s2, st.st_uid, st.st_gid);
-               if (r == -1) {
+               if (r < 0) {
                        weprintf("cp: can't preserve ownership of '%s':", s2);
                        cp_status = 1;
                }
diff --git a/libutil/fnck.c b/libutil/fnck.c
index 8053267..3085ab7 100644
--- a/libutil/fnck.c
+++ b/libutil/fnck.c
@@ -8,13 +8,13 @@ fnck(const char *a, const char *b, int (*fn)(const char *, 
const char *))
 {
        struct stat sta, stb;
 
-       if (stat(a, &sta) == 0
-                       && stat(b, &stb) == 0
-                       && sta.st_dev == stb.st_dev
-                       && sta.st_ino == stb.st_ino) {
+       if (!stat(a, &sta)
+           && !stat(b, &stb)
+           && sta.st_dev == stb.st_dev
+           && sta.st_ino == stb.st_ino) {
                eprintf("%s -> %s: same file\n", a, b);
        }
 
-       if (fn(a, b) == -1)
+       if (fn(a, b) < 0)
                eprintf("%s -> %s:", a, b);
 }
diff --git a/libutil/recurse.c b/libutil/recurse.c
index 318987d..f9044e9 100644
--- a/libutil/recurse.c
+++ b/libutil/recurse.c
@@ -18,7 +18,7 @@ recurse(const char *path, void (*fn)(const char *))
        struct stat st;
        DIR *dp;
 
-       if (lstat(path, &st) == -1 || S_ISDIR(st.st_mode) == 0)
+       if (lstat(path, &st) < 0 || !S_ISDIR(st.st_mode))
                return;
 
        if (!(dp = opendir(path)))
diff --git a/libutil/rm.c b/libutil/rm.c
index a89b11c..7261b6f 100644
--- a/libutil/rm.c
+++ b/libutil/rm.c
@@ -12,6 +12,6 @@ rm(const char *path)
 {
        if (rm_rflag)
                recurse(path, rm);
-       if (remove(path) == -1 && !rm_fflag)
+       if (remove(path) < 0 && !rm_fflag)
                eprintf("remove %s:", path);
 }
diff --git a/ls.c b/ls.c
index 97af5f9..b48391b 100644
--- a/ls.c
+++ b/ls.c
@@ -137,7 +137,7 @@ lsdir(const char *path)
        cwd = agetcwd();
        if (!(dp = opendir(path)))
                eprintf("opendir %s:", path);
-       if (chdir(path) == -1)
+       if (chdir(path) < 0)
                eprintf("chdir %s:", path);
 
        if (many) {
@@ -168,7 +168,7 @@ lsdir(const char *path)
                        free(ents[rflag ? n-i-1 : i].name);
                }
        }
-       if (chdir(cwd) == -1)
+       if (chdir(cwd) < 0)
                eprintf("chdir %s:", cwd);
        free(ents);
        free(cwd);
@@ -182,7 +182,7 @@ mkent(Entry *ent, char *path, int dostat)
        ent->name   = path;
        if (!dostat)
                return;
-       if (lstat(path, &st) == -1)
+       if (lstat(path, &st) < 0)
                eprintf("lstat %s:", path);
        ent->mode   = st.st_mode;
        ent->nlink  = st.st_nlink;
@@ -291,7 +291,7 @@ output(Entry *ent)
                printf("%10lu ", (unsigned long)ent->size);
        printf("%s %s%s", buf, ent->name, indicator(ent->mode));
        if (S_ISLNK(ent->mode)) {
-               if ((len = readlink(ent->name, buf, sizeof buf)) == -1)
+               if ((len = readlink(ent->name, buf, sizeof buf)) < 0)
                        eprintf("readlink %s:", ent->name);
                buf[len] = '\0';
                mkent(&entlnk, buf, Fflag);
diff --git a/mkdir.c b/mkdir.c
index ef31462..536180c 100644
--- a/mkdir.c
+++ b/mkdir.c
@@ -41,7 +41,7 @@ main(int argc, char *argv[])
        for (; argc > 0; argc--, argv++) {
                if (pflag) {
                        mkdirp(argv[0]);
-               } else if (mkdir(argv[0], S_IRWXU|S_IRWXG|S_IRWXO) == -1) {
+               } else if (mkdir(argv[0], S_IRWXU|S_IRWXG|S_IRWXO) < 0) {
                        eprintf("mkdir %s:", argv[0]);
                }
                if (mflag)
@@ -60,7 +60,7 @@ mkdirp(char *path)
        do {
                if (*p && (p = strchr(&p[1], '/')))
                        *p = '\0';
-               if (mkdir(path, S_IRWXU|S_IRWXG|S_IRWXO) == -1 && errno != 
EEXIST)
+               if (mkdir(path, S_IRWXU|S_IRWXG|S_IRWXO) < 0 && errno != EEXIST)
                        eprintf("mkdir %s:", path);
                if (p)
                        *p = '/';
diff --git a/mkfifo.c b/mkfifo.c
index 30f61a5..8c78441 100644
--- a/mkfifo.c
+++ b/mkfifo.c
@@ -30,7 +30,7 @@ main(int argc, char *argv[])
                usage();
 
        for (; argc > 0; argc--, argv++)
-               if (mkfifo(argv[0], mode) == -1)
+               if (mkfifo(argv[0], mode) < 0)
                        eprintf("mkfifo %s:", argv[0]);
        return 0;
 }
diff --git a/nohup.c b/nohup.c
index 967ad38..48b30a4 100644
--- a/nohup.c
+++ b/nohup.c
@@ -34,15 +34,15 @@ main(int argc, char *argv[])
 
        if (isatty(STDOUT_FILENO)) {
                if ((fd = open("nohup.out", O_APPEND|O_CREAT,
-                              S_IRUSR|S_IWUSR)) == -1) {
+                              S_IRUSR|S_IWUSR)) < 0) {
                        enprintf(Error, "open nohup.out:");
                }
-               if (dup2(fd, STDOUT_FILENO) == -1)
+               if (dup2(fd, STDOUT_FILENO) < 0)
                        enprintf(Error, "dup2:");
                close(fd);
        }
        if (isatty(STDERR_FILENO))
-               if (dup2(STDOUT_FILENO, STDERR_FILENO) == -1)
+               if (dup2(STDOUT_FILENO, STDERR_FILENO) < 0)
                        enprintf(Error, "dup2:");
 
        execvp(argv[0], &argv[0]);
diff --git a/pwd.c b/pwd.c
index 16b541c..18f0eac 100644
--- a/pwd.c
+++ b/pwd.c
@@ -41,9 +41,9 @@ getpwd(const char *cwd)
        const char *pwd;
        struct stat cst, pst;
 
-       if (!(pwd = getenv("PWD")) || pwd[0] != '/' || stat(pwd, &pst) == -1)
+       if (!(pwd = getenv("PWD")) || pwd[0] != '/' || stat(pwd, &pst) < 0)
                return cwd;
-       if (stat(cwd, &cst) == -1)
+       if (stat(cwd, &cst) < 0)
                eprintf("stat %s:", cwd);
        if (pst.st_dev == cst.st_dev && pst.st_ino == cst.st_ino)
                return pwd;
diff --git a/renice.c b/renice.c
index 5d7e10e..1d301c6 100644
--- a/renice.c
+++ b/renice.c
@@ -105,7 +105,7 @@ renice(int which, int who, long adj)
        }
 
        adj = MAX(PRIO_MIN, MIN(adj, PRIO_MAX));
-       if (setpriority(which, who, (int)adj) == -1) {
+       if (setpriority(which, who, (int)adj) < 0) {
                weprintf("setpriority %d:", who);
                return 0;
        }
diff --git a/rmdir.c b/rmdir.c
index b58f22c..4338c0b 100644
--- a/rmdir.c
+++ b/rmdir.c
@@ -23,7 +23,7 @@ main(int argc, char *argv[])
                usage();
 
        for (; argc > 0; argc--, argv++)
-               if (rmdir(argv[0]) == -1)
+               if (rmdir(argv[0]) < 0)
                        weprintf("rmdir %s:", argv[0]);
        return 0;
 }
diff --git a/sort.c b/sort.c
index ebe0d82..2a89870 100644
--- a/sort.c
+++ b/sort.c
@@ -208,7 +208,7 @@ parse_keydef(struct keydef *kd, char *s, int flags)
                kd->start_char = strtol(rest+1, &rest, 10);
        if (kd->start_char < 1)
                return -1;
-       if (parse_flags(&rest, &kd->flags, MOD_STARTB) == -1)
+       if (parse_flags(&rest, &kd->flags, MOD_STARTB) < 0)
                return -1;
        if (*rest == ',') {
                kd->end_column = strtol(rest+1, &rest, 10);
@@ -219,7 +219,7 @@ parse_keydef(struct keydef *kd, char *s, int flags)
                        if (kd->end_char < 1)
                                return -1;
                }
-               if (parse_flags(&rest, &kd->flags, MOD_ENDB) == -1)
+               if (parse_flags(&rest, &kd->flags, MOD_ENDB) < 0)
                        return -1;
        }
        if (*rest != '\0')
diff --git a/split.c b/split.c
index 6bced97..1ad7384 100644
--- a/split.c
+++ b/split.c
@@ -131,7 +131,7 @@ nextfile(FILE *f, char *buf, int plen, int slen)
        if (f)
                fclose(f);
        s = itostr(buf+plen, n++, slen);
-       if (s == -1)
+       if (s < 0)
                return NULL;
 
        f = fopen(buf, "w");
diff --git a/touch.c b/touch.c
index 90fa7db..5a3bd8d 100644
--- a/touch.c
+++ b/touch.c
@@ -55,7 +55,7 @@ touch(const char *str)
        if (stat(str, &st) == 0) {
                ut.actime = st.st_atime;
                ut.modtime = t;
-               if (utime(str, &ut) == -1)
+               if (utime(str, &ut) < 0)
                        eprintf("utime %s:", str);
                return;
        }
@@ -64,7 +64,7 @@ touch(const char *str)
        else if (cflag)
                return;
        if ((fd = open(str, O_CREAT|O_EXCL,
-                      S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)) == -1)
+                      S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)) < 0)
                eprintf("open %s:", str);
        close(fd);
        touch(str);
diff --git a/unlink.c b/unlink.c
index 12e88ad..777ec54 100644
--- a/unlink.c
+++ b/unlink.c
@@ -16,7 +16,7 @@ main(int argc, char *argv[])
        if (argc != 2)
                usage();
 
-       if (unlink(argv[1]) == -1)
+       if (unlink(argv[1]) < 0)
                eprintf("unlink: '%s':", argv[1]);
 
        return 0;
diff --git a/xargs.c b/xargs.c
index d972a34..e253299 100644
--- a/xargs.c
+++ b/xargs.c
@@ -191,22 +191,22 @@ poparg(void)
        int ch;
 
        argbpos = 0;
-       if (eatspace() == -1)
+       if (eatspace() < 0)
                return NULL;
        while ((ch = inputc()) != EOF) {
                switch (ch) {
                case ' ': case '\t': case '\n':
                        goto out;
                case '\'':
-                       if (parsequote('\'') == -1)
+                       if (parsequote('\'') < 0)
                                eprintf("unterminated single quote\n");
                        break;
                case '\"':
-                       if (parsequote('\"') == -1)
+                       if (parsequote('\"') < 0)
                                eprintf("unterminated double quote\n");
                        break;
                case '\\':
-                       if (parseescape() == -1)
+                       if (parseescape() < 0)
                                eprintf("backslash at EOF\n");
                        break;
                default:


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