misc: Add gdsys_ioep driver

[J-u-boot.git] / api / api.c

diff --git a/api/api.c b/api/api.c
index 8a1433af78a98357f8e7ac58773c2b32a49aebad..9f03f1a35bb2511fd8a69a615c91e05d991a90e6 100644 (file)
--- a/api/api.c
+++ b/api/api.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2007 Semihalf
  *
  * Written by: Rafal Jaworowski <[email protected]>
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <config.h>
@@ -458,7 +457,7 @@ static int API_env_get(va_list ap)
        if ((value = (char **)va_arg(ap, uintptr_t)) == NULL)
                return API_EINVAL;
 
-       *value = getenv(name);
+       *value = env_get(name);
 
        return 0;
 }
@@ -481,7 +480,7 @@ static int API_env_set(va_list ap)
        if ((value = (char *)va_arg(ap, uintptr_t)) == NULL)
                return API_EINVAL;
 
-       setenv(name, value);
+       env_set(name, value);
 
        return 0;
 }
@@ -495,45 +494,47 @@ static int API_env_set(va_list ap)
  */
 static int API_env_enum(va_list ap)
 {
-       int i, n;
-       char *last, **next;
+       int i, buflen;
+       char *last, **next, *s;
+       ENTRY *match, search;
+       static char *var;
 
        last = (char *)va_arg(ap, unsigned long);
 
        if ((next = (char **)va_arg(ap, uintptr_t)) == NULL)
                return API_EINVAL;
 
-       if (last == NULL)
-               /* start over */
-               *next = ((char *)env_get_addr(0));
-       else {
-               *next = last;
-
-               for (i = 0; env_get_char(i) != '\0'; i = n + 1) {
-                       for (n = i; env_get_char(n) != '\0'; ++n) {
-                               if (n >= CONFIG_ENV_SIZE) {
-                                       /* XXX shouldn't we set *next = NULL?? */
-                                       return 0;
-                               }
-                       }
-
-                       if (envmatch((uchar *)last, i) < 0)
-                               continue;
-
-                       /* try to get next name */
-                       i = n + 1;
-                       if (env_get_char(i) == '\0') {
-                               /* no more left */
-                               *next = NULL;
-                               return 0;
-                       }
-
-                       *next = ((char *)env_get_addr(i));
-                       return 0;
+       if (last == NULL) {
+               var = NULL;
+               i = 0;
+       } else {
+               var = strdup(last);
+               s = strchr(var, '=');
+               if (s != NULL)
+                       *s = 0;
+               search.key = var;
+               i = hsearch_r(search, FIND, &match, &env_htab, 0);
+               if (i == 0) {
+                       i = API_EINVAL;
+                       goto done;
                }
        }
 
+       /* match the next entry after i */
+       i = hmatch_r("", i, &match, &env_htab);
+       if (i == 0)
+               goto done;
+       buflen = strlen(match->key) + strlen(match->data) + 2;
+       var = realloc(var, buflen);
+       snprintf(var, buflen, "%s=%s", match->key, match->data);
+       *next = var;
        return 0;
+
+done:
+       free(var);
+       var = NULL;
+       *next = NULL;
+       return i;
 }
 
 /*
@@ -623,7 +624,7 @@ int syscall(int call, int *retval, ...)
 
 void api_init(void)
 {
-       struct api_signature *sig = NULL;
+       struct api_signature *sig;
 
        /* TODO put this into linker set one day... */
        calls_table[API_RSVD] = NULL;
@@ -661,7 +662,7 @@ void api_init(void)
                return;
        }
 
-       setenv_hex("api_address", (unsigned long)sig);
+       env_set_hex("api_address", (unsigned long)sig);
        debugf("API sig @ 0x%lX\n", (unsigned long)sig);
        memcpy(sig->magic, API_SIG_MAGIC, 8);
        sig->version = API_SIG_VERSION;