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path: root/lib/libalpm/be_files.c
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Diffstat (limited to 'lib/libalpm/be_files.c')
-rw-r--r--lib/libalpm/be_files.c226
1 files changed, 112 insertions, 114 deletions
diff --git a/lib/libalpm/be_files.c b/lib/libalpm/be_files.c
index 4cd0985e..d3ec89a4 100644
--- a/lib/libalpm/be_files.c
+++ b/lib/libalpm/be_files.c
@@ -106,7 +106,7 @@ void _alpm_db_rewind(pmdb_t *db)
rewinddir(db->handle);
}
-static int _alpm_db_splitname(const char *target, char *name, char *version)
+static int splitname(const char *target, pmpkg_t *pkg)
{
/* the format of a db entry is as follows:
* package-version-rel/
@@ -115,10 +115,10 @@ static int _alpm_db_splitname(const char *target, char *name, char *version)
*/
char *tmp, *p, *q;
- if(target == NULL) {
+ if(target == NULL || pkg == NULL) {
return(-1);
}
- tmp = strdup(target);
+ STRDUP(tmp, target, RET_ERR(PM_ERR_MEMORY, -1));
p = tmp + strlen(tmp);
/* do the magic parsing- find the beginning of the version string
@@ -130,14 +130,16 @@ static int _alpm_db_splitname(const char *target, char *name, char *version)
}
/* copy into fields and return */
- if(version) {
- strncpy(version, p+1, PKG_VERSION_LEN);
+ if(pkg->version) {
+ FREE(pkg->version);
}
+ STRDUP(pkg->version, p+1, RET_ERR(PM_ERR_MEMORY, -1));
/* insert a terminator at the end of the name (on hyphen)- then copy it */
*p = '\0';
- if(name) {
- strncpy(name, tmp, PKG_NAME_LEN);
+ if(pkg->name) {
+ FREE(pkg->name);
}
+ STRDUP(pkg->name, tmp, RET_ERR(PM_ERR_MEMORY, -1));
free(tmp);
return(0);
@@ -148,7 +150,6 @@ pmpkg_t *_alpm_db_scan(pmdb_t *db, const char *target)
struct dirent *ent = NULL;
struct stat sbuf;
char path[PATH_MAX];
- char name[PKG_FULLNAME_LEN];
char *ptr = NULL;
int found = 0;
pmpkg_t *pkg = NULL;
@@ -168,7 +169,9 @@ pmpkg_t *_alpm_db_scan(pmdb_t *db, const char *target)
/* search for a specific package (by name only) */
rewinddir(db->handle);
while(!found && (ent = readdir(db->handle)) != NULL) {
- if(!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, "..")) {
+ char *name;
+
+ if(strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0) {
continue;
}
/* stat the entry, make sure it's a directory */
@@ -176,7 +179,9 @@ pmpkg_t *_alpm_db_scan(pmdb_t *db, const char *target)
if(stat(path, &sbuf) || !S_ISDIR(sbuf.st_mode)) {
continue;
}
- strncpy(name, ent->d_name, PKG_FULLNAME_LEN);
+
+ STRDUP(name, ent->d_name, return(NULL));
+
/* truncate the string at the second-to-last hyphen, */
/* which will give us the package name */
if((ptr = rindex(name, '-'))) {
@@ -185,10 +190,12 @@ pmpkg_t *_alpm_db_scan(pmdb_t *db, const char *target)
if((ptr = rindex(name, '-'))) {
*ptr = '\0';
}
- if(!strcmp(name, target)) {
+ if(strcmp(name, target) == 0) {
found = 1;
}
+ FREE(name);
}
+
if(!found) {
return(NULL);
}
@@ -199,7 +206,7 @@ pmpkg_t *_alpm_db_scan(pmdb_t *db, const char *target)
if(ent == NULL) {
return(NULL);
}
- if(!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, "..")) {
+ if(strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0) {
isdir = 0;
continue;
}
@@ -217,7 +224,7 @@ pmpkg_t *_alpm_db_scan(pmdb_t *db, const char *target)
return(NULL);
}
/* split the db entry name */
- if(_alpm_db_splitname(ent->d_name, pkg->name, pkg->version) != 0) {
+ if(splitname(ent->d_name, pkg) != 0) {
_alpm_log(PM_LOG_ERROR, _("invalid name for database entry '%s'\n"),
ent->d_name);
alpm_pkg_free(pkg);
@@ -251,7 +258,7 @@ int _alpm_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
RET_ERR(PM_ERR_DB_NULL, -1);
}
- if(info == NULL || info->name[0] == 0 || info->version[0] == 0) {
+ if(info == NULL || info->name == NULL || info->version == NULL) {
_alpm_log(PM_LOG_DEBUG, "invalid package entry provided to _alpm_db_read, skipping\n");
return(-1);
}
@@ -296,120 +303,115 @@ int _alpm_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
break;
}
_alpm_strtrim(line);
- if(!strcmp(line, "%FILENAME%")) {
- if(fgets(info->filename, sizeof(info->filename), fp) == NULL) {
+ if(strcmp(line, "%FILENAME%") == 0) {
+ if(fgets(line, 512, fp) == NULL) {
goto error;
}
- _alpm_strtrim(info->filename);
- } else if(!strcmp(line, "%DESC%")) {
- if(fgets(info->desc, sizeof(info->desc), fp) == NULL) {
+ STRDUP(info->filename, _alpm_strtrim(line), goto error);
+ } else if(strcmp(line, "%DESC%") == 0) {
+ if(fgets(line, 512, fp) == NULL) {
goto error;
}
- _alpm_strtrim(info->desc);
- } else if(!strcmp(line, "%GROUPS%")) {
+ STRDUP(info->desc, _alpm_strtrim(line), goto error);
+ } else if(strcmp(line, "%GROUPS%") == 0) {
while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
- info->groups = alpm_list_add(info->groups, strdup(line));
+ char *linedup;
+ STRDUP(linedup, _alpm_strtrim(line), goto error);
+ info->groups = alpm_list_add(info->groups, linedup);
}
- } else if(!strcmp(line, "%URL%")) {
- if(fgets(info->url, sizeof(info->url), fp) == NULL) {
+ } else if(strcmp(line, "%URL%") == 0) {
+ if(fgets(line, 512, fp) == NULL) {
goto error;
}
- _alpm_strtrim(info->url);
- } else if(!strcmp(line, "%LICENSE%")) {
+ STRDUP(info->url, _alpm_strtrim(line), goto error);
+ } else if(strcmp(line, "%LICENSE%") == 0) {
while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
- info->licenses = alpm_list_add(info->licenses, strdup(line));
+ char *linedup;
+ STRDUP(linedup, _alpm_strtrim(line), goto error);
+ info->licenses = alpm_list_add(info->licenses, linedup);
}
- } else if(!strcmp(line, "%ARCH%")) {
- if(fgets(info->arch, sizeof(info->arch), fp) == NULL) {
+ } else if(strcmp(line, "%ARCH%") == 0) {
+ if(fgets(line, 512, fp) == NULL) {
goto error;
}
- _alpm_strtrim(info->arch);
- } else if(!strcmp(line, "%BUILDDATE%")) {
- char tmp[32];
- if(fgets(tmp, sizeof(tmp), fp) == NULL) {
+ STRDUP(info->arch, _alpm_strtrim(line), goto error);
+ } else if(strcmp(line, "%BUILDDATE%") == 0) {
+ if(fgets(line, 512, fp) == NULL) {
goto error;
}
- _alpm_strtrim(tmp);
+ _alpm_strtrim(line);
- char first = tolower(tmp[0]);
+ char first = tolower(line[0]);
if(first > 'a' && first < 'z') {
struct tm tmp_tm = {0}; //initialize to null incase of failure
setlocale(LC_TIME, "C");
- strptime(tmp, "%a %b %e %H:%M:%S %Y", &tmp_tm);
+ strptime(line, "%a %b %e %H:%M:%S %Y", &tmp_tm);
info->builddate = mktime(&tmp_tm);
setlocale(LC_TIME, "");
} else {
- info->builddate = atol(tmp);
+ info->builddate = atol(line);
}
- } else if(!strcmp(line, "%INSTALLDATE%")) {
- char tmp[32];
- if(fgets(tmp, sizeof(tmp), fp) == NULL) {
+ } else if(strcmp(line, "%INSTALLDATE%") == 0) {
+ if(fgets(line, 512, fp) == NULL) {
goto error;
}
- _alpm_strtrim(tmp);
+ _alpm_strtrim(line);
- char first = tolower(tmp[0]);
+ char first = tolower(line[0]);
if(first > 'a' && first < 'z') {
struct tm tmp_tm = {0}; //initialize to null incase of failure
setlocale(LC_TIME, "C");
- strptime(tmp, "%a %b %e %H:%M:%S %Y", &tmp_tm);
+ strptime(line, "%a %b %e %H:%M:%S %Y", &tmp_tm);
info->installdate = mktime(&tmp_tm);
setlocale(LC_TIME, "");
} else {
- info->installdate = atol(tmp);
+ info->installdate = atol(line);
}
- } else if(!strcmp(line, "%PACKAGER%")) {
- if(fgets(info->packager, sizeof(info->packager), fp) == NULL) {
+ } else if(strcmp(line, "%PACKAGER%") == 0) {
+ if(fgets(line, 512, fp) == NULL) {
goto error;
}
- _alpm_strtrim(info->packager);
- } else if(!strcmp(line, "%REASON%")) {
- char tmp[32];
- if(fgets(tmp, sizeof(tmp), fp) == NULL) {
+ STRDUP(info->packager, _alpm_strtrim(line), goto error);
+ } else if(strcmp(line, "%REASON%") == 0) {
+ if(fgets(line, 512, fp) == NULL) {
goto error;
}
- _alpm_strtrim(tmp);
- info->reason = atol(tmp);
- } else if(!strcmp(line, "%SIZE%") || !strcmp(line, "%CSIZE%")) {
+ info->reason = atol(_alpm_strtrim(line));
+ } else if(strcmp(line, "%SIZE%") == 0 || strcmp(line, "%CSIZE%") == 0) {
/* NOTE: the CSIZE and SIZE fields both share the "size" field
* in the pkginfo_t struct. This can be done b/c CSIZE
* is currently only used in sync databases, and SIZE is
* only used in local databases.
*/
- char tmp[32];
- if(fgets(tmp, sizeof(tmp), fp) == NULL) {
+ if(fgets(line, 512, fp) == NULL) {
goto error;
}
- _alpm_strtrim(tmp);
- info->size = atol(tmp);
+ info->size = atol(_alpm_strtrim(line));
/* also store this value to isize if isize is unset */
if(info->isize == 0) {
- info->isize = atol(tmp);
+ info->isize = info->size;
}
- } else if(!strcmp(line, "%ISIZE%")) {
+ } else if(strcmp(line, "%ISIZE%") == 0) {
/* ISIZE (installed size) tag only appears in sync repositories,
* not the local one. */
- char tmp[32];
- if(fgets(tmp, sizeof(tmp), fp) == NULL) {
+ if(fgets(line, 512, fp) == NULL) {
goto error;
}
- _alpm_strtrim(tmp);
- info->isize = atol(tmp);
- } else if(!strcmp(line, "%MD5SUM%")) {
+ info->isize = atol(_alpm_strtrim(line));
+ } else if(strcmp(line, "%MD5SUM%") == 0) {
/* MD5SUM tag only appears in sync repositories,
* not the local one. */
- if(fgets(info->md5sum, sizeof(info->md5sum), fp) == NULL) {
+ if(fgets(line, 512, fp) == NULL) {
goto error;
}
- } else if(!strcmp(line, "%REPLACES%")) {
- /* the REPLACES tag is special -- it only appears in sync repositories,
- * not the local one. */
+ STRDUP(info->md5sum, _alpm_strtrim(line), goto error);
+ } else if(strcmp(line, "%REPLACES%") == 0) {
while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
- info->replaces = alpm_list_add(info->replaces, strdup(line));
+ char *linedup;
+ STRDUP(linedup, _alpm_strtrim(line), goto error);
+ info->replaces = alpm_list_add(info->replaces, linedup);
}
- } else if(!strcmp(line, "%FORCE%")) {
- /* FORCE tag only appears in sync repositories,
- * not the local one. */
+ } else if(strcmp(line, "%FORCE%") == 0) {
info->force = 1;
}
}
@@ -426,13 +428,17 @@ int _alpm_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
}
while(fgets(line, 256, fp)) {
_alpm_strtrim(line);
- if(!strcmp(line, "%FILES%")) {
+ if(strcmp(line, "%FILES%") == 0) {
while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
- info->files = alpm_list_add(info->files, strdup(line));
+ char *linedup;
+ STRDUP(linedup, _alpm_strtrim(line), goto error);
+ info->files = alpm_list_add(info->files, linedup);
}
- } else if(!strcmp(line, "%BACKUP%")) {
+ } else if(strcmp(line, "%BACKUP%") == 0) {
while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
- info->backup = alpm_list_add(info->backup, strdup(line));
+ char *linedup;
+ STRDUP(linedup, _alpm_strtrim(line), goto error);
+ info->backup = alpm_list_add(info->backup, linedup);
}
}
}
@@ -450,37 +456,30 @@ int _alpm_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
while(!feof(fp)) {
fgets(line, 255, fp);
_alpm_strtrim(line);
- if(!strcmp(line, "%DEPENDS%")) {
+ if(strcmp(line, "%DEPENDS%") == 0) {
while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
- pmdepend_t *dep = alpm_splitdep(line);
+ pmdepend_t *dep = _alpm_splitdep(_alpm_strtrim(line));
info->depends = alpm_list_add(info->depends, dep);
}
- } else if(!strcmp(line, "%OPTDEPENDS%")) {
+ } else if(strcmp(line, "%OPTDEPENDS%") == 0) {
while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
- info->optdepends = alpm_list_add(info->optdepends, strdup(line));
+ char *linedup;
+ STRDUP(linedup, _alpm_strtrim(line), goto error);
+ info->optdepends = alpm_list_add(info->optdepends, linedup);
}
- } else if(!strcmp(line, "%CONFLICTS%")) {
+ } else if(strcmp(line, "%CONFLICTS%") == 0) {
while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
- info->conflicts = alpm_list_add(info->conflicts, strdup(line));
+ char *linedup;
+ STRDUP(linedup, _alpm_strtrim(line), goto error);
+ info->conflicts = alpm_list_add(info->conflicts, linedup);
}
- } else if(!strcmp(line, "%PROVIDES%")) {
+ } else if(strcmp(line, "%PROVIDES%") == 0) {
while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
- info->provides = alpm_list_add(info->provides, strdup(line));
+ char *linedup;
+ STRDUP(linedup, _alpm_strtrim(line), goto error);
+ info->provides = alpm_list_add(info->provides, linedup);
}
}
- /* TODO: we were going to move these things here, but it should wait.
- * A better change would be to figure out how to restructure the DB. */
- /* else if(!strcmp(line, "%REPLACES%")) {
- * the REPLACES tag is special -- it only appears in sync repositories,
- * not the local one. *
- while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
- info->replaces = alpm_list_add(info->replaces, strdup(line));
- }
- } else if(!strcmp(line, "%FORCE%")) {
- * FORCE tag only appears in sync repositories,
- * not the local one. *
- info->force = 1;
- } */
}
fclose(fp);
fp = NULL;
@@ -488,12 +487,13 @@ int _alpm_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
/* DELTAS */
if(inforeq & INFRQ_DELTAS) {
- snprintf(path, PATH_MAX, "%s/%s-%s/deltas", db->path, info->name, info->version);
+ snprintf(path, PATH_MAX, "%s/%s-%s/deltas", db->path,
+ info->name, info->version);
if((fp = fopen(path, "r"))) {
while(!feof(fp)) {
fgets(line, 255, fp);
_alpm_strtrim(line);
- if(!strcmp(line, "%DELTAS%")) {
+ if(strcmp(line, "%DELTAS%") == 0) {
while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
info->deltas = alpm_list_add(info->deltas, _alpm_delta_parse(line));
}
@@ -561,7 +561,7 @@ int _alpm_db_write(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
}
fprintf(fp, "%%NAME%%\n%s\n\n"
"%%VERSION%%\n%s\n\n", info->name, info->version);
- if(info->desc[0]) {
+ if(info->desc) {
fprintf(fp, "%%DESC%%\n"
"%s\n\n", info->desc);
}
@@ -573,7 +573,7 @@ int _alpm_db_write(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
fprintf(fp, "\n");
}
if(local) {
- if(info->url[0]) {
+ if(info->url) {
fprintf(fp, "%%URL%%\n"
"%s\n\n", info->url);
}
@@ -584,7 +584,7 @@ int _alpm_db_write(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
}
fprintf(fp, "\n");
}
- if(info->arch[0]) {
+ if(info->arch) {
fprintf(fp, "%%ARCH%%\n"
"%s\n\n", info->arch);
}
@@ -596,7 +596,7 @@ int _alpm_db_write(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
fprintf(fp, "%%INSTALLDATE%%\n"
"%ju\n\n", (uintmax_t)info->installdate);
}
- if(info->packager[0]) {
+ if(info->packager) {
fprintf(fp, "%%PACKAGER%%\n"
"%s\n\n", info->packager);
}
@@ -695,18 +695,16 @@ int _alpm_db_write(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
}
fprintf(fp, "\n");
}
- if(!local) {
- if(info->replaces) {
- fputs("%REPLACES%\n", fp);
- for(lp = info->replaces; lp; lp = lp->next) {
- fprintf(fp, "%s\n", (char *)lp->data);
- }
- fprintf(fp, "\n");
- }
- if(info->force) {
- fprintf(fp, "%%FORCE%%\n"
- "\n");
+ if(info->replaces) {
+ fputs("%REPLACES%\n", fp);
+ for(lp = info->replaces; lp; lp = lp->next) {
+ fprintf(fp, "%s\n", (char *)lp->data);
}
+ fprintf(fp, "\n");
+ }
+ if(info->force) {
+ /* note the extra newline character, which is necessary! */
+ fprintf(fp, "%%FORCE%%\n\n");
}
fclose(fp);
fp = NULL;

Copyright © 2002-2022 Judd Vinet and Aaron Griffin. Copyright © 2022 Erich Eckner.
The Arch Linux name and logo are recognized trademarks. Some rights reserved. The registered trademark Linux® is used pursuant to a sublicense from LMI, the exclusive licensee of Linus Torvalds, owner of the mark on a world-wide basis.