The function converts the value of h_errno (last error of name
resolver library, see netdb.h).
One of systems which supposedly do not have the function is SunOS.
POSIX does not mandate its presence.
Signed-off-by: Alex Riesen <raa.lkml@xxxxxxxxx>
---
Makefile | 5 +++++
compat/hstrerror.c | 21 +++++++++++++++++++++
git-compat-util.h | 5 +++++
3 files changed, 31 insertions(+), 0 deletions(-)
create mode 100644 compat/hstrerror.c
diff --git a/Makefile b/Makefile
index 0f6540c..e054bc7 100644
--- a/Makefile
+++ b/Makefile
@@ -410,6 +410,7 @@ ifeq ($(uname_S),SunOS)
NEEDS_NSL = YesPlease
SHELL_PATH = /bin/bash
NO_STRCASESTR = YesPlease
+ NO_HSTRERROR = YesPlease
ifeq ($(uname_R),5.8)
NEEDS_LIBICONV = YesPlease
NO_UNSETENV = YesPlease
@@ -654,6 +655,10 @@ endif
ifdef NO_PERL_MAKEMAKER
export NO_PERL_MAKEMAKER
endif
+ifdef NO_HSTRERROR
+ COMPAT_CFLAGS += -DNO_HSTRERROR
+ COMPAT_OBJS += compat/hstrerror.o
+endif
ifeq ($(TCLTK_PATH),)
NO_TCLTK=NoThanks
diff --git a/compat/hstrerror.c b/compat/hstrerror.c
new file mode 100644
index 0000000..069c555
--- /dev/null
+++ b/compat/hstrerror.c
@@ -0,0 +1,21 @@
+#include <string.h>
+#include <stdio.h>
+#include <netdb.h>
+
+const char *githstrerror(int err)
+{
+ static char buffer[48];
+ switch (err)
+ {
+ case HOST_NOT_FOUND:
+ return "Authoritative answer: host not found";
+ case NO_DATA:
+ return "Valid name, no data record of requested type";
+ case NO_RECOVERY:
+ return "Non recoverable errors, FORMERR, REFUSED, NOTIMP";
+ case TRY_AGAIN:
+ return "Non-authoritative \"host not found\", or SERVERFAIL";
+ }
+ sprintf(buffer, "Name resolution error %d", err);
+ return buffer;
+}
diff --git a/git-compat-util.h b/git-compat-util.h
index 6bd8987..b2ab3f8 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -167,6 +167,11 @@ extern size_t gitstrlcpy(char *, const char *, size_t);
extern uintmax_t gitstrtoumax(const char *, char **, int);
#endif
+#ifdef NO_HSTRERROR
+#define hstrerror githstrerror
+extern const char *githstrerror(int herror);
+#endif
+
extern void release_pack_memory(size_t, int);
static inline char* xstrdup(const char *str)
--
1.5.2.1.270.g288d3f
-
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