Remove /* foo.c */ comments
[openssl.git] / crypto / err / err.c
index b078442109f6c458627ab1dcc23dc40187310b5f..2b2ecf4bf238657a8bd977015c0db111fb2fe647 100644 (file)
@@ -1,4 +1,3 @@
-/* crypto/err/err.c */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
 #include <stdio.h>
 #include <stdarg.h>
 #include <string.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
 #include <openssl/lhash.h>
 #include <openssl/crypto.h>
 #include <openssl/buffer.h>
 #include <openssl/bio.h>
 #include <openssl/err.h>
-
-DECLARE_LHASH_OF(ERR_STRING_DATA);
-DECLARE_LHASH_OF(ERR_STATE);
+#include <openssl/opensslconf.h>
+#include "err_lcl.h"
 
 static void err_load_strings(int lib, ERR_STRING_DATA *str);
 
@@ -157,6 +155,7 @@ static ERR_STRING_DATA ERR_str_libraries[] = {
     {ERR_PACK(ERR_LIB_FIPS, 0, 0), "FIPS routines"},
     {ERR_PACK(ERR_LIB_CMS, 0, 0), "CMS routines"},
     {ERR_PACK(ERR_LIB_HMAC, 0, 0), "HMAC routines"},
+    {ERR_PACK(ERR_LIB_ASYNC, 0, 0), "ASYNC routines"},
     {0, NULL},
 };
 
@@ -240,11 +239,6 @@ static LHASH_OF(ERR_STATE) *int_thread_hash = NULL;
 static int int_thread_hash_references = 0;
 static int int_err_library_number = ERR_LIB_USER;
 
-/*
- * These are the callbacks provided to "lh_new()" when creating the LHASH
- * tables internal to the "err_defaults" implementation.
- */
-
 static unsigned long get_error_values(int inc, int top, const char **file,
                                       int *line, const char **data,
                                       int *flags);
@@ -258,16 +252,12 @@ static unsigned long err_string_data_hash(const ERR_STRING_DATA *a)
     return (ret ^ ret % 19 * 13);
 }
 
-static IMPLEMENT_LHASH_HASH_FN(err_string_data, ERR_STRING_DATA)
-
 static int err_string_data_cmp(const ERR_STRING_DATA *a,
                                const ERR_STRING_DATA *b)
 {
     return (int)(a->error - b->error);
 }
 
-static IMPLEMENT_LHASH_COMP_FN(err_string_data, ERR_STRING_DATA)
-
 static LHASH_OF(ERR_STRING_DATA) *get_hash(int create, int lockit)
 {
     LHASH_OF(ERR_STRING_DATA) *ret = NULL;
@@ -275,11 +265,10 @@ static LHASH_OF(ERR_STRING_DATA) *get_hash(int create, int lockit)
     if (lockit)
         CRYPTO_w_lock(CRYPTO_LOCK_ERR);
     if (!int_error_hash && create) {
-        CRYPTO_push_info("get_hash (err.c)");
-        int_error_hash = lh_ERR_STRING_DATA_new();
-        CRYPTO_pop_info();
+        int_error_hash = lh_ERR_STRING_DATA_new(err_string_data_hash,
+                                                err_string_data_cmp);
     }
-    if (int_error_hash)
+    if (int_error_hash != NULL)
         ret = int_error_hash;
     if (lockit)
         CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
@@ -306,15 +295,11 @@ static unsigned long err_state_hash(const ERR_STATE *a)
     return CRYPTO_THREADID_hash(&a->tid) * 13;
 }
 
-static IMPLEMENT_LHASH_HASH_FN(err_state, ERR_STATE)
-
 static int err_state_cmp(const ERR_STATE *a, const ERR_STATE *b)
 {
     return CRYPTO_THREADID_cmp(&a->tid, &b->tid);
 }
 
-static IMPLEMENT_LHASH_COMP_FN(err_state, ERR_STATE)
-
 static LHASH_OF(ERR_STATE) *int_thread_get(int create, int lockit)
 {
     LHASH_OF(ERR_STATE) *ret = NULL;
@@ -322,11 +307,9 @@ static LHASH_OF(ERR_STATE) *int_thread_get(int create, int lockit)
     if (lockit)
         CRYPTO_w_lock(CRYPTO_LOCK_ERR);
     if (!int_thread_hash && create) {
-        CRYPTO_push_info("int_thread_get (err.c)");
-        int_thread_hash = lh_ERR_STATE_new();
-        CRYPTO_pop_info();
+        int_thread_hash = lh_ERR_STATE_new(err_state_hash, err_state_cmp);
     }
-    if (int_thread_hash) {
+    if (int_thread_hash != NULL) {
         int_thread_hash_references++;
         ret = int_thread_hash;
     }
@@ -402,15 +385,16 @@ static void int_thread_del_item(const ERR_STATE *d)
         if (int_thread_hash_references == 1
             && int_thread_hash
             && lh_ERR_STATE_num_items(int_thread_hash) == 0) {
+            int_thread_hash_references = 0;
             lh_ERR_STATE_free(int_thread_hash);
             int_thread_hash = NULL;
+            hash = NULL;
         }
     }
     CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
 
     int_thread_release(&hash);
-    if (p)
-        ERR_STATE_free(p);
+    ERR_STATE_free(p);
 }
 
 #ifndef OPENSSL_NO_ERR
@@ -456,8 +440,8 @@ static void build_SYS_str_reasons(void)
             char (*dest)[LEN_SYS_STR_REASON] = &(strerror_tab[i - 1]);
             char *src = strerror(i);
             if (src != NULL) {
-                strncpy(*dest, src, sizeof *dest);
-                (*dest)[sizeof *dest - 1] = '\0';
+                strncpy(*dest, src, sizeof(*dest));
+                (*dest)[sizeof(*dest) - 1] = '\0';
                 str->string = *dest;
             }
         }
@@ -478,8 +462,7 @@ static void build_SYS_str_reasons(void)
 
 #define err_clear_data(p,i) \
         do { \
-        if (((p)->err_data[i] != NULL) && \
-                (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \
+        if ((p)->err_data_flags[i] & ERR_TXT_MALLOCED) \
                 {  \
                 OPENSSL_free((p)->err_data[i]); \
                 (p)->err_data[i]=NULL; \
@@ -561,10 +544,8 @@ void ERR_unload_strings(int lib, ERR_STRING_DATA *str)
 void ERR_free_strings(void)
 {
     CRYPTO_w_lock(CRYPTO_LOCK_ERR);
-    if (int_error_hash) {
-        lh_ERR_STRING_DATA_free(int_error_hash);
-        int_error_hash = NULL;
-    }
+    lh_ERR_STRING_DATA_free(int_error_hash);
+    int_error_hash = NULL;
     CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
 }
 
@@ -866,7 +847,7 @@ void ERR_remove_thread_state(const CRYPTO_THREADID *id)
     int_thread_del_item(&tmp);
 }
 
-#ifndef OPENSSL_NO_DEPRECATED
+#if OPENSSL_API_COMPAT < 0x10000000L
 void ERR_remove_state(unsigned long pid)
 {
     ERR_remove_thread_state(NULL);
@@ -886,7 +867,7 @@ ERR_STATE *ERR_get_state(void)
 
     /* ret == the error state, if NULL, make a new one */
     if (ret == NULL) {
-        ret = (ERR_STATE *)OPENSSL_malloc(sizeof(ERR_STATE));
+        ret = OPENSSL_malloc(sizeof(*ret));
         if (ret == NULL)
             return (&fallback);
         CRYPTO_THREADID_cpy(&ret->tid, &tid);
@@ -906,8 +887,7 @@ ERR_STATE *ERR_get_state(void)
          * If a race occurred in this function and we came second, tmpp is
          * the first one that we just replaced.
          */
-        if (tmpp)
-            ERR_STATE_free(tmpp);
+        ERR_STATE_free(tmpp);
     }
     return ret;
 }
@@ -969,10 +949,10 @@ void ERR_add_error_vdata(int num, va_list args)
                 if (p == NULL) {
                     OPENSSL_free(str);
                     return;
-                } else
-                    str = p;
+                }
+                str = p;
             }
-            BUF_strlcat(str, a, (size_t)s + 1);
+            OPENSSL_strlcat(str, a, (size_t)s + 1);
         }
     }
     ERR_set_error_data(str, ERR_TXT_MALLOCED | ERR_TXT_STRING);