Merge pull request #755 from libtom/fix-warnings

Fix warnings

Author: sjaeckel

demos/constants.c

@@ -1,5 +1,7 @@
 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
 /* SPDX-License-Identifier: Unlicense */
+
+#define _POSIX_C_SOURCE 200809L /* otherwise PATH_MAX + strdup are not defined for build with -std=c99 */
 #include "tomcrypt.h"
 
 #include <string.h>

demos/gcm-file/gcm_file.c

@@ -34,7 +34,7 @@
   @param res               [out] Result of the operation, 1==valid, 0==invalid
   @return CRYPT_OK on success
  */
-int gcm_file(      int           cipher,
+static int gcm_file(int            cipher,
                const unsigned char *key,    unsigned long keylen,
                const unsigned char *IV,     unsigned long IVlen,
                const unsigned char *adata,  unsigned long adatalen,

demos/gcm-file/gcm_filehandle.c

@@ -52,7 +52,7 @@
   @param res               [out] Result of the operation, 1==valid, 0==invalid
   @return CRYPT_OK on success
  */
-int gcm_filehandle(      int           cipher,
+static int gcm_filehandle(int          cipher,
                    const unsigned char *key,    unsigned long keylen,
                    const unsigned char *IV,     unsigned long IVlen,
                    const unsigned char *adata,  unsigned long adatalen,

demos/hashsum.c

@@ -10,6 +10,7 @@
  * more functions ;)
 */
 
+#define _POSIX_C_SOURCE 200809L /* otherwise PATH_MAX + strdup are not defined for build with -std=c99 */
 #include <tomcrypt.h>
 
 #include <string.h>

demos/latex-tables.c

@@ -4,12 +4,6 @@
 #include "tomcrypt_private.h"
 
 #if defined(LTC_PEM_SSH)
-extern const struct blockcipher_info pem_dek_infos[];
-extern const unsigned long pem_dek_infos_num;
-
-extern const struct blockcipher_info ssh_ciphers[];
-extern const unsigned long ssh_ciphers_num;
-
 static const struct {
    const char *is, *should;
 } cipher_name_map[] = {

demos/openssl-enc.c

@@ -109,7 +109,7 @@ static void LTC_NORETURN barf(const char *pname, const char *err)
  * Output:       CRYPT_OK if parsed OK, CRYPT_ERROR if not
  * Side Effects: infile's read pointer += 16
  */
-int parse_openssl_header(FILE *in, unsigned char *out)
+static int parse_openssl_header(FILE *in, unsigned char *out)
 {
    unsigned char tmp[SALT_LENGTH];
    if(fread(tmp, 1, sizeof(tmp), in) != sizeof(tmp))
@@ -129,7 +129,7 @@ int parse_openssl_header(FILE *in, unsigned char *out)
  * Output:       none
  * Side Effects: bytes printed as a hex blob, no lf at the end
  */
-void dump_bytes(unsigned char *in, unsigned long len)
+static void dump_bytes(unsigned char *in, unsigned long len)
 {
    unsigned long idx;
    for(idx=0; idx<len; idx++)
@@ -171,8 +171,8 @@ static size_t s_pkcs7_pad(union paddable *buf, size_t nb, int block_length,
  * Output:       CRYPT_OK if no error
  * Side Effects: bytes slurped from infile, pushed to outfile, fds updated.
  */
-int do_crypt(FILE *infd, FILE *outfd, unsigned char *key, unsigned char *iv,
-             int encrypt)
+static int do_crypt(FILE *infd, FILE *outfd, unsigned char *key, unsigned char *iv,
+                    int encrypt)
 {
    union paddable inbuf, outbuf;
    int cipher, ret;

demos/sizes.c

@@ -1,6 +1,7 @@
 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
 /* SPDX-License-Identifier: Unlicense */
 
+#define _POSIX_C_SOURCE 200809L /* otherwise PATH_MAX + strdup are not defined for build with -std=c99 */
 #include "tomcrypt.h"
 
 #include <string.h>

notes/rsa-testvectors/oaep-vect.c

@@ -42,7 +42,7 @@ typedef struct testcase {
 #endif /* LTC_TEST_EXT */
 } testcase_t;
 
-testcase_t testcases_oaep[] =
+static testcase_t testcases_oaep[] =
     {
 {
   "Example 1: A 1024-bit RSA Key Pair",

notes/rsa-testvectors/pkcs1v15crypt-vectors.c

@@ -42,7 +42,7 @@ typedef struct testcase {
 #endif /* LTC_TEST_EXT */
 } testcase_t;
 
-testcase_t testcases_eme[] =
+static testcase_t testcases_eme[] =
     {
 {
   "Example 1: A 1024-bit RSA key pair",

notes/rsa-testvectors/pkcs1v15sign-vectors.c

@@ -40,7 +40,7 @@ typedef struct testcase {
 #endif /* LTC_TEST_EXT */
 } testcase_t;
 
-testcase_t testcases_emsa[] =
+static testcase_t testcases_emsa[] =
     {
 {
   "Example 1: A 1024-bit RSA key pair",