Follow the HACKING guidelines and always use != 0 or == 0 rather
than negation within conditional statements to improve clarity.
Most of these are !strcmp usages which is the example of what not
to do in the HACKING document.

Signed-off-by: Allan McRae <[email protected]>
---
 lib/libalpm/be_package.c |   34 +++++++++++++++++-----------------
 lib/libalpm/conflict.c   |    4 ++--
 lib/libalpm/deps.c       |    2 +-
 lib/libalpm/trans.c      |    4 ++--
 lib/libalpm/util.c       |    2 +-
 src/pacman/callback.c    |    2 +-
 src/pacman/package.c     |    2 +-
 src/pacman/sync.c        |    8 ++++----
 src/pacman/upgrade.c     |    2 +-
 src/pacman/util.c        |    6 +++---
 src/util/testdb.c        |    2 +-
 11 files changed, 34 insertions(+), 34 deletions(-)

diff --git a/lib/libalpm/be_package.c b/lib/libalpm/be_package.c
index 38cf357..7b77ae6 100644
--- a/lib/libalpm/be_package.c
+++ b/lib/libalpm/be_package.c
@@ -69,19 +69,19 @@ static int parse_descfile(struct archive *a, pmpkg_t 
*newpkg)
                } else {
                        key = _alpm_strtrim(key);
                        ptr = _alpm_strtrim(ptr);
-                       if(!strcmp(key, "pkgname")) {
+                       if(strcmp(key, "pkgname") == 0) {
                                STRDUP(newpkg->name, ptr, 
RET_ERR(PM_ERR_MEMORY, -1));
-                       } else if(!strcmp(key, "pkgver")) {
+                       } else if(strcmp(key, "pkgver") == 0) {
                                STRDUP(newpkg->version, ptr, 
RET_ERR(PM_ERR_MEMORY, -1));
-                       } else if(!strcmp(key, "pkgdesc")) {
+                       } else if(strcmp(key, "pkgdesc") == 0) {
                                STRDUP(newpkg->desc, ptr, 
RET_ERR(PM_ERR_MEMORY, -1));
-                       } else if(!strcmp(key, "group")) {
+                       } else if(strcmp(key, "group") == 0) {
                                newpkg->groups = alpm_list_add(newpkg->groups, 
strdup(ptr));
-                       } else if(!strcmp(key, "url")) {
+                       } else if(strcmp(key, "url") == 0) {
                                STRDUP(newpkg->url, ptr, RET_ERR(PM_ERR_MEMORY, 
-1));
-                       } else if(!strcmp(key, "license")) {
+                       } else if(strcmp(key, "license") == 0) {
                                newpkg->licenses = 
alpm_list_add(newpkg->licenses, strdup(ptr));
-                       } else if(!strcmp(key, "builddate")) {
+                       } else if(strcmp(key, "builddate") == 0) {
                                char first = tolower((unsigned char)ptr[0]);
                                if(first > 'a' && first < 'z') {
                                        struct tm tmp_tm = {0}; /* initialize 
to null in case of failure */
@@ -92,27 +92,27 @@ static int parse_descfile(struct archive *a, pmpkg_t 
*newpkg)
                                } else {
                                        newpkg->builddate = atol(ptr);
                                }
-                       } else if(!strcmp(key, "packager")) {
+                       } else if(strcmp(key, "packager") == 0) {
                                STRDUP(newpkg->packager, ptr, 
RET_ERR(PM_ERR_MEMORY, -1));
-                       } else if(!strcmp(key, "arch")) {
+                       } else if(strcmp(key, "arch") == 0) {
                                STRDUP(newpkg->arch, ptr, 
RET_ERR(PM_ERR_MEMORY, -1));
-                       } else if(!strcmp(key, "size")) {
+                       } else if(strcmp(key, "size") == 0) {
                                /* size in the raw package is uncompressed 
(installed) size */
                                newpkg->isize = atol(ptr);
-                       } else if(!strcmp(key, "depend")) {
+                       } else if(strcmp(key, "depend") == 0) {
                                pmdepend_t *dep = _alpm_splitdep(ptr);
                                newpkg->depends = 
alpm_list_add(newpkg->depends, dep);
-                       } else if(!strcmp(key, "optdepend")) {
+                       } else if(strcmp(key, "optdepend") == 0) {
                                newpkg->optdepends = 
alpm_list_add(newpkg->optdepends, strdup(ptr));
-                       } else if(!strcmp(key, "conflict")) {
+                       } else if(strcmp(key, "conflict") == 0) {
                                newpkg->conflicts = 
alpm_list_add(newpkg->conflicts, strdup(ptr));
-                       } else if(!strcmp(key, "replaces")) {
+                       } else if(strcmp(key, "replaces") == 0) {
                                newpkg->replaces = 
alpm_list_add(newpkg->replaces, strdup(ptr));
-                       } else if(!strcmp(key, "provides")) {
+                       } else if(strcmp(key, "provides") == 0) {
                                newpkg->provides = 
alpm_list_add(newpkg->provides, strdup(ptr));
-                       } else if(!strcmp(key, "backup")) {
+                       } else if(strcmp(key, "backup") == 0) {
                                newpkg->backup = alpm_list_add(newpkg->backup, 
strdup(ptr));
-                       } else if(!strcmp(key, "makepkgopt")) {
+                       } else if(strcmp(key, "makepkgopt") == 0) {
                                /* not used atm */
                        } else {
                                _alpm_log(PM_LOG_DEBUG, "%s: syntax error in 
description file line %d\n",
diff --git a/lib/libalpm/conflict.c b/lib/libalpm/conflict.c
index e36844a..236ec1d 100644
--- a/lib/libalpm/conflict.c
+++ b/lib/libalpm/conflict.c
@@ -88,8 +88,8 @@ int _alpm_conflict_isin(pmconflict_t *needle, alpm_list_t 
*haystack)
                char *cpkg2 = conflict->package2;
                char *npkg1 = needle->package1;
                char *npkg2 = needle->package2;
-               if((!strcmp(cpkg1, npkg1)  && !strcmp(cpkg2, npkg2))
-                               || (!strcmp(cpkg1, npkg2) && !strcmp(cpkg2, 
npkg1))) {
+               if((strcmp(cpkg1, npkg1) == 0  && strcmp(cpkg2, npkg2) == 0)
+                               || (strcmp(cpkg1, npkg2) == 0 && strcmp(cpkg2, 
npkg1) == 0)) {
                        return(1);
                }
        }
diff --git a/lib/libalpm/deps.c b/lib/libalpm/deps.c
index 26f9b16..fd893a6 100644
--- a/lib/libalpm/deps.c
+++ b/lib/libalpm/deps.c
@@ -546,7 +546,7 @@ pmpkg_t *_alpm_resolvedep(pmdepend_t *dep, alpm_list_t *dbs,
        for(i = dbs; i; i = i->next) {
                for(j = _alpm_db_get_pkgcache(i->data); j; j = j->next) {
                        pmpkg_t *pkg = j->data;
-                       if(alpm_depcmp(pkg, dep) && strcmp(pkg->name, 
dep->name) &&
+                       if(alpm_depcmp(pkg, dep) && strcmp(pkg->name, 
dep->name) != 0 &&
                                     !_alpm_pkg_find(excluding, pkg->name)) {
                                if(_alpm_pkg_should_ignore(pkg)) {
                                        int install = 0;
diff --git a/lib/libalpm/trans.c b/lib/libalpm/trans.c
index 49fc0f6..c042f09 100644
--- a/lib/libalpm/trans.c
+++ b/lib/libalpm/trans.c
@@ -107,7 +107,7 @@ static alpm_list_t *check_arch(alpm_list_t *pkgs)
        for(i = pkgs; i; i = i->next) {
                pmpkg_t *pkg = i->data;
                const char *pkgarch = alpm_pkg_get_arch(pkg);
-               if(strcmp(pkgarch,arch) && strcmp(pkgarch,"any")) {
+               if(strcmp(pkgarch,arch) != 0 && strcmp(pkgarch,"any") != 0) {
                        char *string;
                        const char *pkgname = alpm_pkg_get_name(pkg);
                        const char *pkgver = alpm_pkg_get_version(pkg);
@@ -371,7 +371,7 @@ int _alpm_runscriptlet(const char *root, const char 
*installfn,
 
        /* either extract or copy the scriptlet */
        snprintf(scriptfn, PATH_MAX, "%s/.INSTALL", tmpdir);
-       if(!strcmp(script, "pre_upgrade") || !strcmp(script, "pre_install")) {
+       if(strcmp(script, "pre_upgrade") == 0 || strcmp(script, "pre_install") 
== 0) {
                if(_alpm_unpack_single(installfn, tmpdir, ".INSTALL")) {
                        retval = 1;
                }
diff --git a/lib/libalpm/util.c b/lib/libalpm/util.c
index 32eaa44..b033e0a 100644
--- a/lib/libalpm/util.c
+++ b/lib/libalpm/util.c
@@ -398,7 +398,7 @@ int _alpm_rmrf(const char *path)
                        for(dp = readdir(dirp); dp != NULL; dp = readdir(dirp)) 
{
                                if(dp->d_ino) {
                                        sprintf(name, "%s/%s", path, 
dp->d_name);
-                                       if(strcmp(dp->d_name, "..") && 
strcmp(dp->d_name, ".")) {
+                                       if(strcmp(dp->d_name, "..") != 0 && 
strcmp(dp->d_name, ".") != 0) {
                                                errflag += _alpm_rmrf(name);
                                        }
                                }
diff --git a/src/pacman/callback.c b/src/pacman/callback.c
index f5bf17d..23804d7 100644
--- a/src/pacman/callback.c
+++ b/src/pacman/callback.c
@@ -262,7 +262,7 @@ void cb_trans_conv(pmtransconv_t event, void *data1, void 
*data2,
                case PM_TRANS_CONV_CONFLICT_PKG:
                        /* data parameters: target package, local package, 
conflict (strings) */
                        /* print conflict only if it contains new information */
-                       if(!strcmp(data1, data3) || !strcmp(data2, data3)) {
+                       if(strcmp(data1, data3) == 0 || strcmp(data2, data3) == 
0) {
                                *response = noyes(_(":: %s and %s are in 
conflict. Remove %s?"),
                                                (char *)data1,
                                                (char *)data2,
diff --git a/src/pacman/package.c b/src/pacman/package.c
index 413754c..ac84a0c 100644
--- a/src/pacman/package.c
+++ b/src/pacman/package.c
@@ -189,7 +189,7 @@ void dump_pkg_backups(pmpkg_t *pkg)
                                }
 
                                /* if checksums don't match, file has been 
modified */
-                               if (strcmp(md5sum, ptr)) {
+                               if (strcmp(md5sum, ptr) != 0) {
                                        printf(_("MODIFIED\t%s\n"), path);
                                } else {
                                        printf(_("Not Modified\t%s\n"), path);
diff --git a/src/pacman/sync.c b/src/pacman/sync.c
index b299438..b9497d6 100644
--- a/src/pacman/sync.c
+++ b/src/pacman/sync.c
@@ -60,11 +60,11 @@ static int sync_cleandb(const char *dbpath, int keep_used) {
                int found = 0;
                const char *dname = ent->d_name;
 
-               if(!strcmp(dname, ".") || !strcmp(dname, "..")) {
+               if(strcmp(dname, ".") == 0 || strcmp(dname, "..") == 0) {
                        continue;
                }
                /* skip the local and sync directories */
-               if(!strcmp(dname, "sync") || !strcmp(dname, "local")) {
+               if(strcmp(dname, "sync") == 0 || strcmp(dname, "local") == 0) {
                        continue;
                }
 
@@ -178,7 +178,7 @@ static int sync_cleancache(int level)
                        pmpkg_t *localpkg = NULL, *pkg = NULL;
                        alpm_list_t *j;
 
-                       if(!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, 
"..")) {
+                       if(strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, 
"..") == 0) {
                                continue;
                        }
                        /* build the full filepath */
@@ -666,7 +666,7 @@ static int sync_trans(alpm_list_t *targets)
                                        const char *package2 = 
alpm_conflict_get_package2(conflict);
                                        const char *reason = 
alpm_conflict_get_reason(conflict);
                                        /* only print reason if it contains new 
information */
-                                       if(!strcmp(package1, reason) || 
!strcmp(package2, reason)) {
+                                       if(strcmp(package1, reason) == 0 || 
strcmp(package2, reason) == 0) {
                                                printf(_(":: %s and %s are in 
conflict\n"), package1, package2);
                                        } else {
                                                printf(_(":: %s and %s are in 
conflict (%s)\n"), package1, package2, reason);
diff --git a/src/pacman/upgrade.c b/src/pacman/upgrade.c
index 1442eb5..c9c8301 100644
--- a/src/pacman/upgrade.c
+++ b/src/pacman/upgrade.c
@@ -112,7 +112,7 @@ int pacman_upgrade(alpm_list_t *targets)
                                        const char *package2 = 
alpm_conflict_get_package2(conflict);
                                        const char *reason = 
alpm_conflict_get_reason(conflict);
                                        /* only print reason if it contains new 
information */
-                                       if(!strcmp(package1, reason) || 
!strcmp(package2, reason)) {
+                                       if(strcmp(package1, reason) == 0 || 
strcmp(package2, reason) == 0) {
                                                printf(_(":: %s and %s are in 
conflict\n"), package1, package2);
                                        } else {
                                                printf(_(":: %s and %s are in 
conflict (%s)\n"), package1, package2, reason);
diff --git a/src/pacman/util.c b/src/pacman/util.c
index 0cae6d7..de1b162 100644
--- a/src/pacman/util.c
+++ b/src/pacman/util.c
@@ -142,7 +142,7 @@ int rmrf(const char *path)
                        if(dp->d_ino) {
                                char name[PATH_MAX];
                                sprintf(name, "%s/%s", path, dp->d_name);
-                               if(strcmp(dp->d_name, "..") && 
strcmp(dp->d_name, ".")) {
+                               if(strcmp(dp->d_name, "..") != 0 && 
strcmp(dp->d_name, ".") != 0) {
                                        errflag += rmrf(name);
                                }
                        }
@@ -718,9 +718,9 @@ static int question(short preset, char *fmt, va_list args)
                        return(preset);
                }
 
-               if(!strcasecmp(response, _("Y")) || !strcasecmp(response, 
_("YES"))) {
+               if(strcasecmp(response, _("Y")) == 0 || strcasecmp(response, 
_("YES")) == 0) {
                        return(1);
-               } else if (!strcasecmp(response, _("N")) || 
!strcasecmp(response, _("NO"))) {
+               } else if (strcasecmp(response, _("N")) == 0 || 
strcasecmp(response, _("NO")) == 0) {
                        return(0);
                }
        }
diff --git a/src/util/testdb.c b/src/util/testdb.c
index 6d351eb..45a2626 100644
--- a/src/util/testdb.c
+++ b/src/util/testdb.c
@@ -69,7 +69,7 @@ static int db_test(char *dbpath, int local)
        }
 
        while ((ent = readdir(dir)) != NULL) {
-               if(!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, "..")
+               if(strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") 
== 0
                                || ent->d_name[0] == '.') {
                        continue;
                }
-- 
1.7.1


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