[pacman-dev] [PATCH] Clarify testing within conditional statements
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 <allan@archlinux.org> --- 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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Allan McRae