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authorLaszlo Papp <djszapi@archlinux.us>2009-10-17 23:12:19 +0200
committerDan McGee <dan@archlinux.org>2009-10-19 07:37:53 -0500
commit4281a1a7f2d24cfcf0997122cc75c216a17f3e5b (patch)
tree3d752f02c3c1ad8189c911fab0c2e84ad9fdcce2 /lib/libalpm
parentf9582c7df223e1eb4078e6db4e2d35dc0f2bf9be (diff)
downloadpacman-4281a1a7f2d24cfcf0997122cc75c216a17f3e5b.tar.xz
Size handling was changed in fgets() functions
Pacman's fgets function in the API used hardcoded numbers to identify the size. This is not good practice, so replace them with sizeof handling. Signed-off-by: Laszlo Papp <djszapi@archlinux.us> Signed-off-by: Dan McGee <dan@archlinux.org>
Diffstat (limited to 'lib/libalpm')
-rw-r--r--lib/libalpm/be_files.c49
-rw-r--r--lib/libalpm/trans.c3
2 files changed, 27 insertions, 25 deletions
diff --git a/lib/libalpm/be_files.c b/lib/libalpm/be_files.c
index 53bbda13..ffbaa8d5 100644
--- a/lib/libalpm/be_files.c
+++ b/lib/libalpm/be_files.c
@@ -387,6 +387,7 @@ int _alpm_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
FILE *fp = NULL;
char path[PATH_MAX];
char line[513];
+ int sline = sizeof(line)-1;
char *pkgpath = NULL;
ALPM_LOG_FUNC;
@@ -418,7 +419,7 @@ int _alpm_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
info->name, inforeq);
/* clear out 'line', to be certain - and to make valgrind happy */
- memset(line, 0, 513);
+ memset(line, 0, sline+1);
pkgpath = get_pkgpath(db, info);
@@ -442,7 +443,7 @@ int _alpm_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
}
_alpm_strtrim(line);
if(strcmp(line, "%NAME%") == 0) {
- if(fgets(line, 512, fp) == NULL) {
+ if(fgets(line, sline, fp) == NULL) {
goto error;
}
if(strcmp(_alpm_strtrim(line), info->name) != 0) {
@@ -450,7 +451,7 @@ int _alpm_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
"mismatch on package %s\n"), db->treename, info->name);
}
} else if(strcmp(line, "%VERSION%") == 0) {
- if(fgets(line, 512, fp) == NULL) {
+ if(fgets(line, sline, fp) == NULL) {
goto error;
}
if(strcmp(_alpm_strtrim(line), info->version) != 0) {
@@ -458,39 +459,39 @@ int _alpm_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
"mismatch on package %s\n"), db->treename, info->name);
}
} else if(strcmp(line, "%FILENAME%") == 0) {
- if(fgets(line, 512, fp) == NULL) {
+ if(fgets(line, sline, fp) == NULL) {
goto error;
}
STRDUP(info->filename, _alpm_strtrim(line), goto error);
} else if(strcmp(line, "%DESC%") == 0) {
- if(fgets(line, 512, fp) == NULL) {
+ if(fgets(line, sline, fp) == NULL) {
goto error;
}
STRDUP(info->desc, _alpm_strtrim(line), goto error);
} else if(strcmp(line, "%GROUPS%") == 0) {
- while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
+ while(fgets(line, sline, fp) && strlen(_alpm_strtrim(line))) {
char *linedup;
STRDUP(linedup, _alpm_strtrim(line), goto error);
info->groups = alpm_list_add(info->groups, linedup);
}
} else if(strcmp(line, "%URL%") == 0) {
- if(fgets(line, 512, fp) == NULL) {
+ if(fgets(line, sline, fp) == NULL) {
goto error;
}
STRDUP(info->url, _alpm_strtrim(line), goto error);
} else if(strcmp(line, "%LICENSE%") == 0) {
- while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
+ while(fgets(line, sline, fp) && strlen(_alpm_strtrim(line))) {
char *linedup;
STRDUP(linedup, _alpm_strtrim(line), goto error);
info->licenses = alpm_list_add(info->licenses, linedup);
}
} else if(strcmp(line, "%ARCH%") == 0) {
- if(fgets(line, 512, fp) == NULL) {
+ if(fgets(line, sline, fp) == NULL) {
goto error;
}
STRDUP(info->arch, _alpm_strtrim(line), goto error);
} else if(strcmp(line, "%BUILDDATE%") == 0) {
- if(fgets(line, 512, fp) == NULL) {
+ if(fgets(line, sline, fp) == NULL) {
goto error;
}
_alpm_strtrim(line);
@@ -506,7 +507,7 @@ int _alpm_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
info->builddate = atol(line);
}
} else if(strcmp(line, "%INSTALLDATE%") == 0) {
- if(fgets(line, 512, fp) == NULL) {
+ if(fgets(line, sline, fp) == NULL) {
goto error;
}
_alpm_strtrim(line);
@@ -522,12 +523,12 @@ int _alpm_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
info->installdate = atol(line);
}
} else if(strcmp(line, "%PACKAGER%") == 0) {
- if(fgets(line, 512, fp) == NULL) {
+ if(fgets(line, sline, fp) == NULL) {
goto error;
}
STRDUP(info->packager, _alpm_strtrim(line), goto error);
} else if(strcmp(line, "%REASON%") == 0) {
- if(fgets(line, 512, fp) == NULL) {
+ if(fgets(line, sline, fp) == NULL) {
goto error;
}
info->reason = (pmpkgreason_t)atol(_alpm_strtrim(line));
@@ -537,7 +538,7 @@ int _alpm_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
* is currently only used in sync databases, and SIZE is
* only used in local databases.
*/
- if(fgets(line, 512, fp) == NULL) {
+ if(fgets(line, sline, fp) == NULL) {
goto error;
}
info->size = atol(_alpm_strtrim(line));
@@ -548,19 +549,19 @@ int _alpm_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
} else if(strcmp(line, "%ISIZE%") == 0) {
/* ISIZE (installed size) tag only appears in sync repositories,
* not the local one. */
- if(fgets(line, 512, fp) == NULL) {
+ if(fgets(line, sline, fp) == NULL) {
goto error;
}
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(line, 512, fp) == NULL) {
+ if(fgets(line, sline, fp) == NULL) {
goto error;
}
STRDUP(info->md5sum, _alpm_strtrim(line), goto error);
} else if(strcmp(line, "%REPLACES%") == 0) {
- while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
+ while(fgets(line, sline, fp) && strlen(_alpm_strtrim(line))) {
char *linedup;
STRDUP(linedup, _alpm_strtrim(line), goto error);
info->replaces = alpm_list_add(info->replaces, linedup);
@@ -583,13 +584,13 @@ 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%") == 0) {
- while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
+ while(fgets(line, sline, fp) && strlen(_alpm_strtrim(line))) {
char *linedup;
STRDUP(linedup, _alpm_strtrim(line), goto error);
info->files = alpm_list_add(info->files, linedup);
}
} else if(strcmp(line, "%BACKUP%") == 0) {
- while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
+ while(fgets(line, sline, fp) && strlen(_alpm_strtrim(line))) {
char *linedup;
STRDUP(linedup, _alpm_strtrim(line), goto error);
info->backup = alpm_list_add(info->backup, linedup);
@@ -611,24 +612,24 @@ int _alpm_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
fgets(line, 255, fp);
_alpm_strtrim(line);
if(strcmp(line, "%DEPENDS%") == 0) {
- while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
+ while(fgets(line, sline, fp) && strlen(_alpm_strtrim(line))) {
pmdepend_t *dep = _alpm_splitdep(_alpm_strtrim(line));
info->depends = alpm_list_add(info->depends, dep);
}
} else if(strcmp(line, "%OPTDEPENDS%") == 0) {
- while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
+ while(fgets(line, sline, fp) && strlen(_alpm_strtrim(line))) {
char *linedup;
STRDUP(linedup, _alpm_strtrim(line), goto error);
info->optdepends = alpm_list_add(info->optdepends, linedup);
}
} else if(strcmp(line, "%CONFLICTS%") == 0) {
- while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
+ while(fgets(line, sline, fp) && strlen(_alpm_strtrim(line))) {
char *linedup;
STRDUP(linedup, _alpm_strtrim(line), goto error);
info->conflicts = alpm_list_add(info->conflicts, linedup);
}
} else if(strcmp(line, "%PROVIDES%") == 0) {
- while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
+ while(fgets(line, sline, fp) && strlen(_alpm_strtrim(line))) {
char *linedup;
STRDUP(linedup, _alpm_strtrim(line), goto error);
info->provides = alpm_list_add(info->provides, linedup);
@@ -647,7 +648,7 @@ int _alpm_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
fgets(line, 255, fp);
_alpm_strtrim(line);
if(strcmp(line, "%DELTAS%") == 0) {
- while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
+ while(fgets(line, sline, fp) && strlen(_alpm_strtrim(line))) {
pmdelta_t *delta = _alpm_delta_parse(line);
if(delta) {
info->deltas = alpm_list_add(info->deltas, delta);
diff --git a/lib/libalpm/trans.c b/lib/libalpm/trans.c
index 65bd4642..aea71db1 100644
--- a/lib/libalpm/trans.c
+++ b/lib/libalpm/trans.c
@@ -320,7 +320,8 @@ static int grep(const char *fn, const char *needle)
}
while(!feof(fp)) {
char line[1024];
- fgets(line, 1024, fp);
+ int sline = sizeof(line)-1;
+ fgets(line, sline, fp);
if(feof(fp)) {
continue;
}