X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=ident.c;h=23b8cfc600dfa7910d6b9afdfed8bcdf8b033781;hb=b992933853ccffac85f7e40310167ef7b8f0432e;hp=1bfbc6ff350baf61c15debf5bba45c0669ec107d;hpb=f865a2ad981f72423aa1c19412ce57c543801957;p=git.git

diff --git a/ident.c b/ident.c
index 1bfbc6ff..23b8cfc6 100644
--- a/ident.c
+++ b/ident.c
@@ -8,7 +8,7 @@
 #include "cache.h"
 
 #include <pwd.h>
-#include <time.h>
+#include <netdb.h>
 
 static char git_default_date[50];
 
@@ -65,9 +65,16 @@ int setup_ident(void)
 	git_default_email[len++] = '@';
 	gethostname(git_default_email + len, sizeof(git_default_email) - len);
 	if (!strchr(git_default_email+len, '.')) {
+		struct hostent *he = gethostbyname(git_default_email + len);
+		char *domainname;
+
 		len = strlen(git_default_email);
 		git_default_email[len++] = '.';
-		getdomainname(git_default_email+len, sizeof(git_default_email)-len);
+		if (he && (domainname = strchr(he->h_name, '.')))
+			strncpy(git_default_email + len, domainname + 1, sizeof(git_default_email) - len);
+		else
+			strncpy(git_default_email + len, "(none)", sizeof(git_default_email) - len);
+		git_default_email[sizeof(git_default_email) - 1] = 0;
 	}
 	/* And set the default date */
 	datestamp(git_default_date, sizeof(git_default_date));
@@ -133,7 +140,7 @@ static int copy(char *buf, int size, int offset, const char *src)
 
 	/*
 	 * Copy the rest to the buffer, but avoid the special
-	 * characters '\n' '<' and '>' that act as delimeters on
+	 * characters '\n' '<' and '>' that act as delimiters on
 	 * a identification line
 	 */
 	for (i = 0; i < len; i++) {
@@ -149,7 +156,8 @@ static int copy(char *buf, int size, int offset, const char *src)
 	return offset;
 }
 
-char *get_ident(const char *name, const char *email, const char *date_str)
+static const char *get_ident(const char *name, const char *email,
+			     const char *date_str)
 {
 	static char buffer[1000];
 	char date[50];
@@ -159,6 +167,11 @@ char *get_ident(const char *name, const char *email, const char *date_str)
 		name = git_default_name;
 	if (!email)
 		email = git_default_email;
+
+	if (!*name || !*email)
+		die("empty ident %s <%s> not allowed",
+		    name, email);
+
 	strcpy(date, git_default_date);
 	if (date_str)
 		parse_date(date_str, date, sizeof(date));
@@ -174,12 +187,16 @@ char *get_ident(const char *name, const char *email, const char *date_str)
 	return buffer;
 }
 
-char *git_author_info(void)
+const char *git_author_info(void)
 {
-	return get_ident(getenv("GIT_AUTHOR_NAME"), getenv("GIT_AUTHOR_EMAIL"), getenv("GIT_AUTHOR_DATE"));
+	return get_ident(getenv("GIT_AUTHOR_NAME"),
+			 getenv("GIT_AUTHOR_EMAIL"),
+			 getenv("GIT_AUTHOR_DATE"));
 }
 
-char *git_committer_info(void)
+const char *git_committer_info(void)
 {
-	return get_ident(getenv("GIT_COMMITTER_NAME"), getenv("GIT_COMMITTER_EMAIL"), getenv("GIT_COMMITTER_DATE"));
+	return get_ident(getenv("GIT_COMMITTER_NAME"),
+			 getenv("GIT_COMMITTER_EMAIL"),
+			 getenv("GIT_COMMITTER_DATE"));
 }