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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/util/envlist.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/util/envlist.c')
-rw-r--r--qemu/util/envlist.c242
1 files changed, 0 insertions, 242 deletions
diff --git a/qemu/util/envlist.c b/qemu/util/envlist.c
deleted file mode 100644
index e86857e70..000000000
--- a/qemu/util/envlist.c
+++ /dev/null
@@ -1,242 +0,0 @@
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "qemu/queue.h"
-#include "qemu/envlist.h"
-
-struct envlist_entry {
- const char *ev_var; /* actual env value */
- QLIST_ENTRY(envlist_entry) ev_link;
-};
-
-struct envlist {
- QLIST_HEAD(, envlist_entry) el_entries; /* actual entries */
- size_t el_count; /* number of entries */
-};
-
-static int envlist_parse(envlist_t *envlist,
- const char *env, int (*)(envlist_t *, const char *));
-
-/*
- * Allocates new envlist and returns pointer to that or
- * NULL in case of error.
- */
-envlist_t *
-envlist_create(void)
-{
- envlist_t *envlist;
-
- if ((envlist = malloc(sizeof (*envlist))) == NULL)
- return (NULL);
-
- QLIST_INIT(&envlist->el_entries);
- envlist->el_count = 0;
-
- return (envlist);
-}
-
-/*
- * Releases given envlist and its entries.
- */
-void
-envlist_free(envlist_t *envlist)
-{
- struct envlist_entry *entry;
-
- assert(envlist != NULL);
-
- while (envlist->el_entries.lh_first != NULL) {
- entry = envlist->el_entries.lh_first;
- QLIST_REMOVE(entry, ev_link);
-
- free((char *)entry->ev_var);
- free(entry);
- }
- free(envlist);
-}
-
-/*
- * Parses comma separated list of set/modify environment
- * variable entries and updates given enlist accordingly.
- *
- * For example:
- * envlist_parse(el, "HOME=foo,SHELL=/bin/sh");
- *
- * inserts/sets environment variables HOME and SHELL.
- *
- * Returns 0 on success, errno otherwise.
- */
-int
-envlist_parse_set(envlist_t *envlist, const char *env)
-{
- return (envlist_parse(envlist, env, &envlist_setenv));
-}
-
-/*
- * Parses comma separated list of unset environment variable
- * entries and removes given variables from given envlist.
- *
- * Returns 0 on success, errno otherwise.
- */
-int
-envlist_parse_unset(envlist_t *envlist, const char *env)
-{
- return (envlist_parse(envlist, env, &envlist_unsetenv));
-}
-
-/*
- * Parses comma separated list of set, modify or unset entries
- * and calls given callback for each entry.
- *
- * Returns 0 in case of success, errno otherwise.
- */
-static int
-envlist_parse(envlist_t *envlist, const char *env,
- int (*callback)(envlist_t *, const char *))
-{
- char *tmpenv, *envvar;
- char *envsave = NULL;
- int ret = 0;
- assert(callback != NULL);
-
- if ((envlist == NULL) || (env == NULL))
- return (EINVAL);
-
- if ((tmpenv = strdup(env)) == NULL)
- return (errno);
- envsave = tmpenv;
-
- do {
- envvar = strchr(tmpenv, ',');
- if (envvar != NULL) {
- *envvar = '\0';
- }
- if ((*callback)(envlist, tmpenv) != 0) {
- ret = errno;
- break;
- }
- tmpenv = envvar + 1;
- } while (envvar != NULL);
-
- free(envsave);
- return ret;
-}
-
-/*
- * Sets environment value to envlist in similar manner
- * than putenv(3).
- *
- * Returns 0 in success, errno otherwise.
- */
-int
-envlist_setenv(envlist_t *envlist, const char *env)
-{
- struct envlist_entry *entry = NULL;
- const char *eq_sign;
- size_t envname_len;
-
- if ((envlist == NULL) || (env == NULL))
- return (EINVAL);
-
- /* find out first equals sign in given env */
- if ((eq_sign = strchr(env, '=')) == NULL)
- return (EINVAL);
- envname_len = eq_sign - env + 1;
-
- /*
- * If there already exists variable with given name
- * we remove and release it before allocating a whole
- * new entry.
- */
- for (entry = envlist->el_entries.lh_first; entry != NULL;
- entry = entry->ev_link.le_next) {
- if (strncmp(entry->ev_var, env, envname_len) == 0)
- break;
- }
-
- if (entry != NULL) {
- QLIST_REMOVE(entry, ev_link);
- free((char *)entry->ev_var);
- free(entry);
- } else {
- envlist->el_count++;
- }
-
- if ((entry = malloc(sizeof (*entry))) == NULL)
- return (errno);
- if ((entry->ev_var = strdup(env)) == NULL) {
- free(entry);
- return (errno);
- }
- QLIST_INSERT_HEAD(&envlist->el_entries, entry, ev_link);
-
- return (0);
-}
-
-/*
- * Removes given env value from envlist in similar manner
- * than unsetenv(3). Returns 0 in success, errno otherwise.
- */
-int
-envlist_unsetenv(envlist_t *envlist, const char *env)
-{
- struct envlist_entry *entry;
- size_t envname_len;
-
- if ((envlist == NULL) || (env == NULL))
- return (EINVAL);
-
- /* env is not allowed to contain '=' */
- if (strchr(env, '=') != NULL)
- return (EINVAL);
-
- /*
- * Find out the requested entry and remove
- * it from the list.
- */
- envname_len = strlen(env);
- for (entry = envlist->el_entries.lh_first; entry != NULL;
- entry = entry->ev_link.le_next) {
- if (strncmp(entry->ev_var, env, envname_len) == 0)
- break;
- }
- if (entry != NULL) {
- QLIST_REMOVE(entry, ev_link);
- free((char *)entry->ev_var);
- free(entry);
-
- envlist->el_count--;
- }
- return (0);
-}
-
-/*
- * Returns given envlist as array of strings (in same form that
- * global variable environ is). Caller must free returned memory
- * by calling free(3) for each element and for the array. Returned
- * array and given envlist are not related (no common references).
- *
- * If caller provides count pointer, number of items in array is
- * stored there. In case of error, NULL is returned and no memory
- * is allocated.
- */
-char **
-envlist_to_environ(const envlist_t *envlist, size_t *count)
-{
- struct envlist_entry *entry;
- char **env, **penv;
-
- penv = env = malloc((envlist->el_count + 1) * sizeof (char *));
- if (env == NULL)
- return (NULL);
-
- for (entry = envlist->el_entries.lh_first; entry != NULL;
- entry = entry->ev_link.le_next) {
- *(penv++) = strdup(entry->ev_var);
- }
- *penv = NULL; /* NULL terminate the list */
-
- if (count != NULL)
- *count = envlist->el_count;
-
- return (env);
-}