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Diffstat (limited to 'metaentry.c')
-rw-r--r--metaentry.c100
1 files changed, 74 insertions, 26 deletions
diff --git a/metaentry.c b/metaentry.c
index 83f84fa..d8c7cb8 100644
--- a/metaentry.c
+++ b/metaentry.c
@@ -1,3 +1,23 @@
+/*
+ * Various functions to work with meta entries.
+ *
+ * Copyright (C) 2007 David Härdeman <david@hardeman.nu>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
@@ -95,7 +115,8 @@ mentry_print(const struct metaentry *mentry)
int i;
if (!mentry || !mentry->path) {
- msg(MSG_DEBUG, "Incorrect meta entry passed to printmetaentry\n");
+ msg(MSG_DEBUG,
+ "Incorrect meta entry passed to printmetaentry\n");
return;
}
@@ -145,19 +166,22 @@ mentry_create(const char *path)
struct metaentry *mentry;
if (lstat(path, &sbuf)) {
- msg(MSG_ERROR, "lstat failed for %s: %s\n", path, strerror(errno));
+ msg(MSG_ERROR, "lstat failed for %s: %s\n",
+ path, strerror(errno));
return NULL;
}
pbuf = getpwuid(sbuf.st_uid);
if (!pbuf) {
- msg(MSG_ERROR, "getpwuid failed for %i: %s\n", (int)sbuf.st_uid, strerror(errno));
+ msg(MSG_ERROR, "getpwuid failed for %i: %s\n",
+ (int)sbuf.st_uid, strerror(errno));
return NULL;
}
gbuf = getgrgid(sbuf.st_gid);
if (!gbuf) {
- msg(MSG_ERROR, "getgrgid failed for %i: %s\n", (int)sbuf.st_gid, strerror(errno));
+ msg(MSG_ERROR, "getgrgid failed for %i: %s\n",
+ (int)sbuf.st_gid, strerror(errno));
return NULL;
}
@@ -175,14 +199,16 @@ mentry_create(const char *path)
lsize = listxattr(path, NULL, 0);
if (lsize < 0) {
- msg(MSG_ERROR, "listxattr failed for %s: %s\n", path, strerror(errno));
+ msg(MSG_ERROR, "listxattr failed for %s: %s\n",
+ path, strerror(errno));
return NULL;
}
list = xmalloc(lsize);
lsize = listxattr(path, list, lsize);
if (lsize < 0) {
- msg(MSG_ERROR, "listxattr failed for %s: %s\n", path, strerror(errno));
+ msg(MSG_ERROR, "listxattr failed for %s: %s\n",
+ path, strerror(errno));
return NULL;
}
@@ -209,7 +235,8 @@ mentry_create(const char *path)
mentry->xattr_names[i] = xstrdup(attr);
vsize = getxattr(path, attr, NULL, 0);
if (vsize < 0) {
- msg(MSG_ERROR, "getxattr failed for %s: %s\n", path, strerror(errno));
+ msg(MSG_ERROR, "getxattr failed for %s: %s\n",
+ path, strerror(errno));
return NULL;
}
@@ -218,7 +245,8 @@ mentry_create(const char *path)
vsize = getxattr(path, attr, mentry->xattr_values[i], vsize);
if (vsize < 0) {
- msg(MSG_ERROR, "getxattr failed for %s: %s\n", path, strerror(errno));
+ msg(MSG_ERROR, "getxattr failed for %s: %s\n",
+ path, strerror(errno));
return NULL;
}
i++;
@@ -264,7 +292,8 @@ mentries_recurse(const char *path, struct metaentry **mhead)
return;
if (lstat(path, &sbuf)) {
- msg(MSG_ERROR, "lstat failed for %s: %s\n", path, strerror(errno));
+ msg(MSG_ERROR, "lstat failed for %s: %s\n",
+ path, strerror(errno));
return;
}
@@ -277,12 +306,15 @@ mentries_recurse(const char *path, struct metaentry **mhead)
if (S_ISDIR(sbuf.st_mode)) {
dir = opendir(path);
if (!dir) {
- msg(MSG_ERROR, "opendir failed for %s: %s\n", path, strerror(errno));
+ msg(MSG_ERROR, "opendir failed for %s: %s\n",
+ path, strerror(errno));
return;
}
while ((dent = readdir(dir))) {
- if (!strcmp(dent->d_name, ".") || !strcmp(dent->d_name, "..") || !strcmp(dent->d_name, ".git"))
+ if (!strcmp(dent->d_name, ".") ||
+ !strcmp(dent->d_name, "..") ||
+ !strcmp(dent->d_name, ".git"))
continue;
snprintf(tpath, PATH_MAX, "%s/%s", path, dent->d_name);
tpath[PATH_MAX - 1] = '\0';
@@ -328,7 +360,8 @@ mentries_tofile(const struct metaentry *mhead, const char *path)
for (i = 0; i < mentry->xattrs; i++) {
write_string(mentry->xattr_names[i], to);
write_int(mentry->xattr_lvalues[i], 4, to);
- write_binary_string(mentry->xattr_values[i], mentry->xattr_lvalues[i], to);
+ write_binary_string(mentry->xattr_values[i],
+ mentry->xattr_lvalues[i], to);
}
}
@@ -362,9 +395,11 @@ mentries_fromfile(struct metaentry **mhead, const char *path)
exit(EXIT_FAILURE);
}
- mmapstart = mmap(NULL, (size_t)sbuf.st_size, PROT_READ, MAP_SHARED, fd, 0);
+ mmapstart = mmap(NULL, (size_t)sbuf.st_size, PROT_READ,
+ MAP_SHARED, fd, 0);
if (mmapstart == MAP_FAILED) {
- msg(MSG_CRITICAL, "Unable to mmap %s: %s\n", path, strerror(errno));
+ msg(MSG_CRITICAL, "Unable to mmap %s: %s\n",
+ path, strerror(errno));
exit(EXIT_FAILURE);
}
ptr = mmapstart;
@@ -384,7 +419,8 @@ mentries_fromfile(struct metaentry **mhead, const char *path)
while (ptr < mmapstart + sbuf.st_size) {
if (*ptr == '\0') {
- msg(MSG_CRITICAL, "Invalid characters in file %s\n", path);
+ msg(MSG_CRITICAL, "Invalid characters in file %s\n",
+ path);
goto out;
}
@@ -397,16 +433,26 @@ mentries_fromfile(struct metaentry **mhead, const char *path)
mentry->mode = (mode_t)read_int(&ptr, 2, max);
mentry->xattrs = (unsigned int)read_int(&ptr, 4, max);
- if (mentry->xattrs > 0) {
- mentry->xattr_names = xmalloc(mentry->xattrs * sizeof(char *));
- mentry->xattr_lvalues = xmalloc(mentry->xattrs * sizeof(int));
- mentry->xattr_values = xmalloc(mentry->xattrs * sizeof(char *));
+ if (!mentry->xattrs) {
+ mentry_insert(mentry, mhead);
+ continue;
+ }
- for (i = 0; i < mentry->xattrs; i++) {
- mentry->xattr_names[i] = read_string(&ptr, max);
- mentry->xattr_lvalues[i] = (int)read_int(&ptr, 4, max);
- mentry->xattr_values[i] = read_binary_string(&ptr, mentry->xattr_lvalues[i], max);
- }
+ mentry->xattr_names = xmalloc(mentry->xattrs *
+ sizeof(char *));
+ mentry->xattr_lvalues = xmalloc(mentry->xattrs *
+ sizeof(int));
+ mentry->xattr_values = xmalloc(mentry->xattrs *
+ sizeof(char *));
+
+ for (i = 0; i < mentry->xattrs; i++) {
+ mentry->xattr_names[i] = read_string(&ptr, max);
+ mentry->xattr_lvalues[i] =
+ (int)read_int(&ptr, 4, max);
+ mentry->xattr_values[i] =
+ read_binary_string(&ptr,
+ mentry->xattr_lvalues[i],
+ max);
}
mentry_insert(mentry, mhead);
}
@@ -440,7 +486,8 @@ mentry_find_xattr(struct metaentry *haystack, struct metaentry *needle, int n)
continue;
if (haystack->xattr_lvalues[i] != needle->xattr_lvalues[n])
return -1;
- if (bcmp(haystack->xattr_values[i], needle->xattr_values[n], needle->xattr_lvalues[n]))
+ if (bcmp(haystack->xattr_values[i], needle->xattr_values[n],
+ needle->xattr_lvalues[n]))
return -1;
return i;
}
@@ -493,7 +540,8 @@ mentry_compare(struct metaentry *left, struct metaentry *right)
retval |= DIFF_TYPE;
if (do_mtime && strcmp(left->path, METAFILE) &&
- (left->mtime != right->mtime || left->mtimensec != right->mtimensec))
+ (left->mtime != right->mtime ||
+ left->mtimensec != right->mtimensec))
retval |= DIFF_MTIME;
if (mentry_compare_xattr(left, right)) {
generated by cgit v1.2.1 (git 2.18.0) at 2025-10-31 22:07:00 +0000