Doc fix for git-reflog: mention @{...} syntax, and <ref> in synopsys.

diff --git a/git-compat-util.h b/git-compat-util.h
index 6bd8987b2774774fbbd3747a2b571b66ad78727b..ca0a597a282328bff9e0e29fd3653dbd656489fb 100644 (file)
--- 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)
@@ -282,6 +287,32 @@ static inline ssize_t xwrite(int fd, const void *buf, size_t len)
        }
 }
 
+static inline int xdup(int fd)
+{
+       int ret = dup(fd);
+       if (ret < 0)
+               die("dup failed: %s", strerror(errno));
+       return ret;
+}
+
+static inline FILE *xfdopen(int fd, const char *mode)
+{
+       FILE *stream = fdopen(fd, mode);
+       if (stream == NULL)
+               die("Out of memory? fdopen failed: %s", strerror(errno));
+       return stream;
+}
+
+static inline int xmkstemp(char *template)
+{
+       int fd;
+
+       fd = mkstemp(template);
+       if (fd < 0)
+               die("Unable to create temporary file: %s", strerror(errno));
+       return fd;
+}
+
 static inline size_t xsize_t(off_t len)
 {
        return (size_t)len;