bootchart: rename global len to samples_len

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

diff --git a/src/shared/env-util.c b/src/shared/env-util.c
index 7a213a77c0ea8ea9261045c65e6f015960a20040..54988e6437fe2a942b0294b906dfcb9e51b5e18e 100644 (file)
--- a/src/shared/env-util.c
+++ b/src/shared/env-util.c
@@ -108,7 +108,7 @@ bool env_assignment_is_valid(const char *e) {
 
         /* POSIX says the overall size of the environment block cannot
          * be > ARG_MAX, hence the individual variable assignments
-         * cannot be either, but let's room for one trailing NUL
+         * cannot be either, but let's leave room for one trailing NUL
          * byte. */
         if (strlen(e) > ARG_MAX - 1)
                 return false;
@@ -128,7 +128,22 @@ bool strv_env_is_valid(char **e) {
                 /* Check if there are duplicate assginments */
                 k = strcspn(*p, "=");
                 STRV_FOREACH(q, p + 1)
-                        if (strncmp(*p, *q, k) == 0 && (*q)[k] == '=')
+                        if (strneq(*p, *q, k) && (*q)[k] == '=')
+                                return false;
+        }
+
+        return true;
+}
+
+bool strv_env_name_or_assignment_is_valid(char **l) {
+        char **p, **q;
+
+        STRV_FOREACH(p, l) {
+                if (!env_assignment_is_valid(*p) && !env_name_is_valid(*p))
+                        return false;
+
+                STRV_FOREACH(q, p + 1)
+                        if (streq(*p, *q))
                                 return false;
         }
 
@@ -156,7 +171,7 @@ static int env_append(char **r, char ***k, char **a) {
                         n++;
 
                 for (j = r; j < *k; j++)
-                        if (strncmp(*j, *a, n) == 0)
+                        if (strneq(*j, *a, n))
                                 break;
 
                 if (j >= *k)
@@ -232,7 +247,7 @@ static bool env_match(const char *t, const char *pattern) {
         if (!strchr(pattern, '=')) {
                 size_t l = strlen(pattern);
 
-                return strncmp(t, pattern, l) == 0 && t[l] == '=';
+                return strneq(t, pattern, l) && t[l] == '=';
         }
 
         return false;
@@ -348,7 +363,7 @@ char *strv_env_get_n(char **l, const char *name, size_t k) {
                 return NULL;
 
         STRV_FOREACH(i, l)
-                if (strncmp(*i, name, k) == 0 &&
+                if (strneq(*i, name, k) &&
                     (*i)[k] == '=')
                         return *i + k + 1;
 
@@ -376,7 +391,7 @@ char **strv_env_clean(char **e) {
 
                 n = strcspn(*p, "=");
                 STRV_FOREACH(q, p + 1)
-                        if (strncmp(*p, *q, n) == 0 && (*q)[n] == '=') {
+                        if (strneq(*p, *q, n) && (*q)[n] == '=') {
                                 duplicate = true;
                                 break;
                         }