Additional improvements to crypt() detection code

Reformat to normalize tabs vs spaces, return 1 if crypt.h not
defined, fix C99 compliance.

diff --git a/ext/standard/config.m4 b/ext/standard/config.m4
index 2a4218b370e4637b2a13f88d929eae52581ae23d..6e0c92197fb80aa9b20569f515f3c139726baf3d 100644 (file)
--- a/ext/standard/config.m4
+++ b/ext/standard/config.m4
@@ -69,12 +69,12 @@ AC_CACHE_CHECK(for standard DES crypt, ac_cv_crypt_des,[
 #include <crypt.h>
 #endif
 
-main() {
+int main() {
 #if HAVE_CRYPT
-    char* encrypted = crypt("rasmuslerdorf","rl");
-    exit (!encrypted || strcmp(encrypted,"rl.3StKT.4T8M"));
+       char *encrypted = crypt("rasmuslerdorf","rl");
+       exit(!encrypted || strcmp(encrypted,"rl.3StKT.4T8M"));
 #else
-       exit(0);
+       exit(1);
 #endif
 }],[
   ac_cv_crypt_des=yes
@@ -94,12 +94,12 @@ AC_CACHE_CHECK(for extended DES crypt, ac_cv_crypt_ext_des,[
 #include <crypt.h>
 #endif
 
-main() {
+int main() {
 #if HAVE_CRYPT
-  char* encrypted = crypt("rasmuslerdorf","_J9..rasm");
-  exit (!encrypted || strcmp(encrypted,"_J9..rasmBYk8r9AiWNc"));
+       char *encrypted = crypt("rasmuslerdorf","_J9..rasm");
+       exit(!encrypted || strcmp(encrypted,"_J9..rasmBYk8r9AiWNc"));
 #else
-  exit(0);
+       exit(1);
 #endif
 }],[
   ac_cv_crypt_ext_des=yes
@@ -119,21 +119,22 @@ AC_TRY_RUN([
 #include <crypt.h>
 #endif
 
-main() {
+int main() {
 #if HAVE_CRYPT
-    char salt[15], answer[40];
-
-    salt[0]='$'; salt[1]='1'; salt[2]='$'; 
-    salt[3]='r'; salt[4]='a'; salt[5]='s';
-    salt[6]='m'; salt[7]='u'; salt[8]='s';
-    salt[9]='l'; salt[10]='e'; salt[11]='$';
-    salt[12]='\0';
-    strcpy(answer,salt);
-    strcat(answer,"rISCgZzpwk3UhDidwXvin0");
-    char* encrypted = crypt("rasmuslerdorf",salt);
-    exit (!encrypted || strcmp(encrypted,answer));
+       char salt[15], answer[40];
+       char *encrypted;
+
+       salt[0]='$'; salt[1]='1'; salt[2]='$'; 
+       salt[3]='r'; salt[4]='a'; salt[5]='s';
+       salt[6]='m'; salt[7]='u'; salt[8]='s';
+       salt[9]='l'; salt[10]='e'; salt[11]='$';
+       salt[12]='\0';
+       strcpy(answer,salt);
+       strcat(answer,"rISCgZzpwk3UhDidwXvin0");
+       encrypted = crypt("rasmuslerdorf",salt);
+       exit(!encrypted || strcmp(encrypted,answer));
 #else
-       exit(0);
+       exit(1);
 #endif
 }],[
   ac_cv_crypt_md5=yes
@@ -153,18 +154,19 @@ AC_TRY_RUN([
 #include <crypt.h>
 #endif
 
-main() {
+int main() {
 #if HAVE_CRYPT
-    char salt[30], answer[70];
-    
-    salt[0]='$'; salt[1]='2'; salt[2]='a'; salt[3]='$'; salt[4]='0'; salt[5]='7'; salt[6]='$'; salt[7]='\0';
-    strcat(salt,"rasmuslerd............");
-    strcpy(answer,salt);
-    strcpy(&answer[29],"nIdrcHdxcUxWomQX9j6kvERCFjTg7Ra");
-    char* encrypted = crypt("rasmuslerdorf",salt);
-    exit (!encrypted || strcmp(encrypted,answer));
+       char salt[30], answer[70];
+       char *encrypted;
+
+       salt[0]='$'; salt[1]='2'; salt[2]='a'; salt[3]='$'; salt[4]='0'; salt[5]='7'; salt[6]='$'; salt[7]='\0';
+       strcat(salt,"rasmuslerd............");
+       strcpy(answer,salt);
+       strcpy(&answer[29],"nIdrcHdxcUxWomQX9j6kvERCFjTg7Ra");
+       encrypted = crypt("rasmuslerdorf",salt);
+       exit(!encrypted || strcmp(encrypted,answer));
 #else
-       exit(0);
+       exit(1);
 #endif
 }],[
   ac_cv_crypt_blowfish=yes
@@ -184,17 +186,18 @@ AC_TRY_RUN([
 #include <crypt.h>
 #endif
 
-main() {
+int main() {
 #if HAVE_CRYPT
-    char salt[21], answer[21+86];
-
-    strcpy(salt,"\$6\$rasmuslerdorf\$");
-    strcpy(answer, salt);
-    strcat(answer, "EeHCRjm0bljalWuALHSTs1NB9ipEiLEXLhYeXdOpx22gmlmVejnVXFhd84cEKbYxCo.XuUTrW.RLraeEnsvWs/");
-    char* encrypted = crypt("rasmuslerdorf",salt);
-    exit (!encrypted || strcmp(encrypted,answer));
+       char salt[21], answer[21+86];
+       char *encrypted;
+
+       strcpy(salt,"\$6\$rasmuslerdorf\$");
+       strcpy(answer, salt);
+       strcat(answer, "EeHCRjm0bljalWuALHSTs1NB9ipEiLEXLhYeXdOpx22gmlmVejnVXFhd84cEKbYxCo.XuUTrW.RLraeEnsvWs/");
+       encrypted = crypt("rasmuslerdorf",salt);
+       exit(!encrypted || strcmp(encrypted,answer));
 #else
-       exit(0);
+       exit(1);
 #endif
 }],[
   ac_cv_crypt_sha512=yes
@@ -214,18 +217,18 @@ AC_TRY_RUN([
 #include <crypt.h>
 #endif
 
-main() {
+int main() {
 #if HAVE_CRYPT
-    char salt[21], answer[21+43];
-
-    strcpy(salt,"\$5\$rasmuslerdorf\$");
-    strcpy(answer, salt);
-    strcat(answer, "cFAm2puLCujQ9t.0CxiFIIvFi4JyQx5UncCt/xRIX23");
-    char* encrypted = crypt("rasmuslerdorf",salt);
-    exit (!encrypted || strcmp(encrypted,answer));
-
+       char salt[21], answer[21+43];
+       char *encrypted;
+
+       strcpy(salt,"\$5\$rasmuslerdorf\$");
+       strcpy(answer, salt);
+       strcat(answer, "cFAm2puLCujQ9t.0CxiFIIvFi4JyQx5UncCt/xRIX23");
+       encrypted = crypt("rasmuslerdorf",salt);
+       exit(!encrypted || strcmp(encrypted,answer));
 #else
-       exit(0);
+       exit(1);
 #endif
 }],[
   ac_cv_crypt_sha256=yes