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Go Back   Linux Archive > ArchLinux > ArchLinux Pacman Development

 
 
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Old 07-03-2011, 06:40 PM
Dan McGee
 
Default be_local: use macros in database loading similar to be_sync

This removes some of the repetition in the code for reading and parsing
database file lines.

Signed-off-by: Dan McGee <dan@archlinux.org>
---
lib/libalpm/be_local.c | 120 +++++++++++++++++-------------------------------
1 files changed, 43 insertions(+), 77 deletions(-)

diff --git a/lib/libalpm/be_local.c b/lib/libalpm/be_local.c
index 63a95bb..6557967 100644
--- a/lib/libalpm/be_local.c
+++ b/lib/libalpm/be_local.c
@@ -498,6 +498,23 @@ static char *get_pkgpath(alpm_db_t *db, alpm_pkg_t *info)
return pkgpath;
}

+#define READ_NEXT() do {
+ if(fgets(line, sizeof(line), fp) == NULL && !feof(fp)) goto error;
+ _alpm_strtrim(line);
+} while(0)
+
+#define READ_AND_STORE(f) do {
+ READ_NEXT();
+ STRDUP(f, line, goto error);
+} while(0)
+
+#define READ_AND_STORE_ALL(f) do {
+ char *linedup;
+ READ_NEXT();
+ if(strlen(line) == 0) break;
+ STRDUP(linedup, line, goto error);
+ f = alpm_list_add(f, linedup);
+} while(1) /* note the while(1) and not (0) */

static int local_db_read(alpm_pkg_t *info, alpm_dbinfrq_t inforeq)
{
@@ -539,116 +556,65 @@ static int local_db_read(alpm_pkg_t *info, alpm_dbinfrq_t inforeq)
goto error;
}
while(!feof(fp)) {
- if(fgets(line, sizeof(line), fp) == NULL) {
- break;
- }
- _alpm_strtrim(line);
+ READ_NEXT();
if(strcmp(line, "%NAME%") == 0) {
- if(fgets(line, sizeof(line), fp) == NULL) {
- goto error;
- }
- if(strcmp(_alpm_strtrim(line), info->name) != 0) {
+ READ_NEXT();
+ if(strcmp(line, info->name) != 0) {
_alpm_log(db->handle, PM_LOG_ERROR, _("%s database is inconsistent: name "
"mismatch on package %s
"), db->treename, info->name);
}
} else if(strcmp(line, "%VERSION%") == 0) {
- if(fgets(line, sizeof(line), fp) == NULL) {
- goto error;
- }
- if(strcmp(_alpm_strtrim(line), info->version) != 0) {
+ READ_NEXT();
+ if(strcmp(line, info->version) != 0) {
_alpm_log(db->handle, PM_LOG_ERROR, _("%s database is inconsistent: version "
"mismatch on package %s
"), db->treename, info->name);
}
} else if(strcmp(line, "%DESC%") == 0) {
- if(fgets(line, sizeof(line), fp) == NULL) {
- goto error;
- }
- STRDUP(info->desc, _alpm_strtrim(line), goto error);
+ READ_AND_STORE(info->desc);
} else if(strcmp(line, "%GROUPS%") == 0) {
- while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
- char *linedup;
- STRDUP(linedup, line, goto error);
- info->groups = alpm_list_add(info->groups, linedup);
- }
+ READ_AND_STORE_ALL(info->groups);
} else if(strcmp(line, "%URL%") == 0) {
- if(fgets(line, sizeof(line), fp) == NULL) {
- goto error;
- }
- STRDUP(info->url, _alpm_strtrim(line), goto error);
+ READ_AND_STORE(info->url);
} else if(strcmp(line, "%LICENSE%") == 0) {
- while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
- char *linedup;
- STRDUP(linedup, line, goto error);
- info->licenses = alpm_list_add(info->licenses, linedup);
- }
+ READ_AND_STORE_ALL(info->licenses);
} else if(strcmp(line, "%ARCH%") == 0) {
- if(fgets(line, sizeof(line), fp) == NULL) {
- goto error;
- }
- STRDUP(info->arch, _alpm_strtrim(line), goto error);
+ READ_AND_STORE(info->arch);
} else if(strcmp(line, "%BUILDDATE%") == 0) {
- if(fgets(line, sizeof(line), fp) == NULL) {
- goto error;
- }
- _alpm_strtrim(line);
+ READ_NEXT();
info->builddate = _alpm_parsedate(line);
} else if(strcmp(line, "%INSTALLDATE%") == 0) {
- if(fgets(line, sizeof(line), fp) == NULL) {
- goto error;
- }
- _alpm_strtrim(line);
+ READ_NEXT();
info->installdate = _alpm_parsedate(line);
} else if(strcmp(line, "%PACKAGER%") == 0) {
- if(fgets(line, sizeof(line), fp) == NULL) {
- goto error;
- }
- STRDUP(info->packager, _alpm_strtrim(line), goto error);
+ READ_AND_STORE(info->packager);
} else if(strcmp(line, "%REASON%") == 0) {
- if(fgets(line, sizeof(line), fp) == NULL) {
- goto error;
- }
- info->reason = (alpm_pkgreason_t)atol(_alpm_strtrim(line));
+ READ_NEXT();
+ info->reason = (alpm_pkgreason_t)atol(line);
} else if(strcmp(line, "%SIZE%") == 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.
*/
- if(fgets(line, sizeof(line), fp) == NULL) {
- goto error;
- }
- info->size = atol(_alpm_strtrim(line));
+ READ_NEXT();
+ info->size = atol(line);
/* also store this value to isize */
info->isize = info->size;
} else if(strcmp(line, "%REPLACES%") == 0) {
- while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
- char *linedup;
- STRDUP(linedup, line, goto error);
- info->replaces = alpm_list_add(info->replaces, linedup);
- }
+ READ_AND_STORE_ALL(info->replaces);
} else if(strcmp(line, "%DEPENDS%") == 0) {
- while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
- alpm_depend_t *dep = _alpm_splitdep(line);
- info->depends = alpm_list_add(info->depends, dep);
+ /* Different than the rest because of the _alpm_splitdep call. */
+ while(1) {
+ READ_NEXT();
+ if(strlen(line) == 0) break;
+ info->depends = alpm_list_add(info->depends, _alpm_splitdep(line));
}
} else if(strcmp(line, "%OPTDEPENDS%") == 0) {
- while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
- char *linedup;
- STRDUP(linedup, line, goto error);
- info->optdepends = alpm_list_add(info->optdepends, linedup);
- }
+ READ_AND_STORE_ALL(info->optdepends);
} else if(strcmp(line, "%CONFLICTS%") == 0) {
- while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
- char *linedup;
- STRDUP(linedup, line, goto error);
- info->conflicts = alpm_list_add(info->conflicts, linedup);
- }
+ READ_AND_STORE_ALL(info->conflicts);
} else if(strcmp(line, "%PROVIDES%") == 0) {
- while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
- char *linedup;
- STRDUP(linedup, line, goto error);
- info->provides = alpm_list_add(info->provides, linedup);
- }
+ READ_AND_STORE_ALL(info->provides);
}
}
fclose(fp);
--
1.7.6
 

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