chiark / gitweb /
build-sys: move async.[ch] to src/shared
[elogind.git] / src / shared / fileio.c
index ac1b409a1c7efa1c4aaf274055922a0d7508cd88..c7b2cd85b94b8cc0eacc452fb70c5e4ed4f3e0df 100644 (file)
@@ -130,7 +130,7 @@ ssize_t sendfile_full(int out_fd, const char *fn) {
         assert(out_fd > 0);
         assert(fn);
 
-        f = fopen(fn, "r");
+        f = fopen(fn, "re");
         if (!f)
                 return -errno;
 
@@ -240,6 +240,7 @@ int read_full_file(const char *fn, char **contents, size_t *size) {
 
         buf[l] = 0;
         *contents = buf;
+        buf = NULL; /* do not free */
 
         if (size)
                 *size = l;
@@ -293,7 +294,7 @@ static int parse_env_file_internal(
                                 state = KEY;
                                 last_key_whitespace = (size_t) -1;
 
-                                if (!greedy_realloc((void**) &key, &key_alloc, n_key+2)) {
+                                if (!GREEDY_REALLOC(key, key_alloc, n_key+2)) {
                                         r = -ENOMEM;
                                         goto fail;
                                 }
@@ -316,7 +317,7 @@ static int parse_env_file_internal(
                                 else if (last_key_whitespace == (size_t) -1)
                                          last_key_whitespace = n_key;
 
-                                if (!greedy_realloc((void**) &key, &key_alloc, n_key+2)) {
+                                if (!GREEDY_REALLOC(key, key_alloc, n_key+2)) {
                                         r = -ENOMEM;
                                         goto fail;
                                 }
@@ -356,7 +357,7 @@ static int parse_env_file_internal(
                         else if (!strchr(WHITESPACE, c)) {
                                 state = VALUE;
 
-                                if (!greedy_realloc((void**) &value, &value_alloc, n_value+2)) {
+                                if (!GREEDY_REALLOC(value, value_alloc, n_value+2)) {
                                         r = -ENOMEM;
                                         goto fail;
                                 }
@@ -401,7 +402,7 @@ static int parse_env_file_internal(
                                 else if (last_value_whitespace == (size_t) -1)
                                         last_value_whitespace = n_value;
 
-                                if (!greedy_realloc((void**) &value, &value_alloc, n_value+2)) {
+                                if (!GREEDY_REALLOC(value, value_alloc, n_value+2)) {
                                         r = -ENOMEM;
                                         goto fail;
                                 }
@@ -416,7 +417,7 @@ static int parse_env_file_internal(
 
                         if (!strchr(newline, c)) {
                                 /* Escaped newlines we eat up entirely */
-                                if (!greedy_realloc((void**) &value, &value_alloc, n_value+2)) {
+                                if (!GREEDY_REALLOC(value, value_alloc, n_value+2)) {
                                         r = -ENOMEM;
                                         goto fail;
                                 }
@@ -431,7 +432,7 @@ static int parse_env_file_internal(
                         else if (c == '\\')
                                 state = SINGLE_QUOTE_VALUE_ESCAPE;
                         else {
-                                if (!greedy_realloc((void**) &value, &value_alloc, n_value+2)) {
+                                if (!GREEDY_REALLOC(value, value_alloc, n_value+2)) {
                                         r = -ENOMEM;
                                         goto fail;
                                 }
@@ -445,7 +446,7 @@ static int parse_env_file_internal(
                         state = SINGLE_QUOTE_VALUE;
 
                         if (!strchr(newline, c)) {
-                                if (!greedy_realloc((void**) &value, &value_alloc, n_value+2)) {
+                                if (!GREEDY_REALLOC(value, value_alloc, n_value+2)) {
                                         r = -ENOMEM;
                                         goto fail;
                                 }
@@ -460,7 +461,7 @@ static int parse_env_file_internal(
                         else if (c == '\\')
                                 state = DOUBLE_QUOTE_VALUE_ESCAPE;
                         else {
-                                if (!greedy_realloc((void**) &value, &value_alloc, n_value+2)) {
+                                if (!GREEDY_REALLOC(value, value_alloc, n_value+2)) {
                                         r = -ENOMEM;
                                         goto fail;
                                 }
@@ -474,7 +475,7 @@ static int parse_env_file_internal(
                         state = DOUBLE_QUOTE_VALUE;
 
                         if (!strchr(newline, c)) {
-                                if (!greedy_realloc((void**) &value, &value_alloc, n_value+2)) {
+                                if (!GREEDY_REALLOC(value, value_alloc, n_value+2)) {
                                         r = -ENOMEM;
                                         goto fail;
                                 }
@@ -533,35 +534,42 @@ fail:
 
 static int parse_env_file_push(const char *filename, unsigned line,
                                const char *key, char *value, void *userdata) {
-        assert(utf8_is_valid(key));
 
-        if (value && !utf8_is_valid(value))
-                /* FIXME: filter UTF-8 */
-                log_error("%s:%u: invalid UTF-8 for key %s: '%s', ignoring.",
-                          filename, line, key, value);
-        else {
-                const char *k;
-                va_list* ap = (va_list*) userdata;
-                va_list aq;
+        const char *k;
+        va_list aq, *ap = userdata;
 
-                va_copy(aq, *ap);
+        if (!utf8_is_valid(key)) {
+                _cleanup_free_ char *p = utf8_escape_invalid(key);
 
-                while ((k = va_arg(aq, const char *))) {
-                        char **v;
+                log_error("%s:%u: invalid UTF-8 in key '%s', ignoring.",
+                          filename, line, p);
+                return -EINVAL;
+        }
 
-                        v = va_arg(aq, char **);
+        if (value && !utf8_is_valid(value)) {
+                _cleanup_free_ char *p = utf8_escape_invalid(value);
 
-                        if (streq(key, k)) {
-                                va_end(aq);
-                                free(*v);
-                                *v = value;
-                                return 1;
-                        }
-                }
+                log_error("%s:%u: invalid UTF-8 value for key %s: '%s', ignoring.",
+                          filename, line, key, p);
+                return -EINVAL;
+        }
 
-                va_end(aq);
+        va_copy(aq, *ap);
+
+        while ((k = va_arg(aq, const char *))) {
+                char **v;
+
+                v = va_arg(aq, char **);
+
+                if (streq(key, k)) {
+                        va_end(aq);
+                        free(*v);
+                        *v = value;
+                        return 1;
+                }
         }
 
+        va_end(aq);
         free(value);
         return 0;
 }
@@ -585,28 +593,34 @@ int parse_env_file(
 
 static int load_env_file_push(const char *filename, unsigned line,
                               const char *key, char *value, void *userdata) {
-        assert(utf8_is_valid(key));
+        char ***m = userdata;
+        char *p;
+        int r;
 
-        if (value && !utf8_is_valid(value))
-                /* FIXME: filter UTF-8 */
-                log_error("%s:%u: invalid UTF-8 for key %s: '%s', ignoring.",
-                          filename, line, key, value);
-        else {
-                char ***m = userdata;
-                char *p;
-                int r;
+        if (!utf8_is_valid(key)) {
+                _cleanup_free_ char *t = utf8_escape_invalid(key);
 
-                p = strjoin(key, "=", strempty(value), NULL);
-                if (!p)
-                        return -ENOMEM;
+                log_error("%s:%u: invalid UTF-8 for key '%s', ignoring.",
+                          filename, line, t);
+                return -EINVAL;
+        }
 
-                r = strv_push(m, p);
-                if (r < 0) {
-                        free(p);
-                        return r;
-                }
+        if (value && !utf8_is_valid(value)) {
+                _cleanup_free_ char *t = utf8_escape_invalid(value);
+
+                log_error("%s:%u: invalid UTF-8 value for key %s: '%s', ignoring.",
+                          filename, line, key, t);
+                return -EINVAL;
         }
 
+        p = strjoin(key, "=", strempty(value), NULL);
+        if (!p)
+                return -ENOMEM;
+
+        r = strv_consume(m, p);
+        if (r < 0)
+                return r;
+
         free(value);
         return 0;
 }