util: Add some missing hidden_file() suffixes

[elogind.git] / src / shared / util.c

diff --git a/src/shared/util.c b/src/shared/util.c
index 884e782c4ff79a2c5e1528a8bf491edb996dcfd6..3aa952fd77adcf4ed706ceafa6607ebcdef00321 100644 (file)
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -507,18 +507,24 @@ int safe_atolli(const char *s, long long int *ret_lli) {
 int safe_atod(const char *s, double *ret_d) {
         char *x = NULL;
         double d = 0;
+        locale_t loc;
 
         assert(s);
         assert(ret_d);
 
-        RUN_WITH_LOCALE(LC_NUMERIC_MASK, "C") {
-                errno = 0;
-                d = strtod(s, &x);
-        }
+        loc = newlocale(LC_NUMERIC_MASK, "C", (locale_t) 0);
+        if (loc == (locale_t) 0)
+                return -errno;
 
-        if (!x || x == s || *x || errno)
+        errno = 0;
+        d = strtod_l(s, &x, loc);
+
+        if (!x || x == s || *x || errno) {
+                freelocale(loc);
                 return errno ? -errno : -EINVAL;
+        }
 
+        freelocale(loc);
         *ret_d = (double) d;
         return 0;
 }
@@ -1533,6 +1539,10 @@ _pure_ static bool hidden_file_allow_backup(const char *filename) {
                 endswith(filename, ".dpkg-old") ||
                 endswith(filename, ".dpkg-new") ||
                 endswith(filename, ".dpkg-tmp") ||
+                endswith(filename, ".dpkg-dist") ||
+                endswith(filename, ".dpkg-bak") ||
+                endswith(filename, ".dpkg-backup") ||
+                endswith(filename, ".dpkg-remove") ||
                 endswith(filename, ".swp");
 }
 
@@ -5452,25 +5462,43 @@ int getenv_for_pid(pid_t pid, const char *field, char **_value) {
         return r;
 }
 
-bool is_valid_documentation_url(const char *url) {
-        assert(url);
+bool http_url_is_valid(const char *url) {
+        const char *p;
 
-        if (startswith(url, "http://") && url[7])
-                return true;
+        if (isempty(url))
+                return false;
 
-        if (startswith(url, "https://") && url[8])
-                return true;
+        p = startswith(url, "http://");
+        if (!p)
+                p = startswith(url, "https://");
+        if (!p)
+                return false;
 
-        if (startswith(url, "file:") && url[5])
-                return true;
+        if (isempty(p))
+                return false;
 
-        if (startswith(url, "info:") && url[5])
-                return true;
+        return ascii_is_valid(p);
+}
+
+bool documentation_url_is_valid(const char *url) {
+        const char *p;
+
+        if (isempty(url))
+                return false;
 
-        if (startswith(url, "man:") && url[4])
+        if (http_url_is_valid(url))
                 return true;
 
-        return false;
+        p = startswith(url, "file:/");
+        if (!p)
+                p = startswith(url, "info:");
+        if (!p)
+                p = startswith(url, "man:");
+
+        if (isempty(p))
+                return false;
+
+        return ascii_is_valid(p);
 }
 
 bool in_initrd(void) {
@@ -7925,3 +7953,75 @@ void release_lock_file(LockFile *f) {
         f->fd = safe_close(f->fd);
         f->operation = 0;
 }
+
+static size_t nul_length(const uint8_t *p, size_t sz) {
+        size_t n = 0;
+
+        while (sz > 0) {
+                if (*p != 0)
+                        break;
+
+                n++;
+                p++;
+                sz--;
+        }
+
+        return n;
+}
+
+ssize_t sparse_write(int fd, const void *p, size_t sz, size_t run_length) {
+        const uint8_t *q, *w, *e;
+        ssize_t l;
+
+        q = w = p;
+        e = q + sz;
+        while (q < e) {
+                size_t n;
+
+                n = nul_length(q, e - q);
+
+                /* If there are more than the specified run length of
+                 * NUL bytes, or if this is the beginning or the end
+                 * of the buffer, then seek instead of write */
+                if ((n > run_length) ||
+                    (n > 0 && q == p) ||
+                    (n > 0 && q + n >= e)) {
+                        if (q > w) {
+                                l = write(fd, w, q - w);
+                                if (l < 0)
+                                        return -errno;
+                                if (l != q -w)
+                                        return -EIO;
+                        }
+
+                        if (lseek(fd, n, SEEK_CUR) == (off_t) -1)
+                                return -errno;
+
+                        q += n;
+                        w = q;
+                } else if (n > 0)
+                        q += n;
+                else
+                        q ++;
+        }
+
+        if (q > w) {
+                l = write(fd, w, q - w);
+                if (l < 0)
+                        return -errno;
+                if (l != q - w)
+                        return -EIO;
+        }
+
+        return q - (const uint8_t*) p;
+}
+
+void sigkill_wait(pid_t *pid) {
+        if (!pid)
+                return;
+        if (*pid <= 1)
+                return;
+
+        if (kill(*pid, SIGKILL) > 0)
+                (void) wait_for_terminate(*pid, NULL);
+}