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authorMatthias Andree <matthias.andree@gmx.de>2016-12-11 15:27:08 +0100
committerMatthias Andree <matthias.andree@gmx.de>2016-12-11 22:06:12 +0100
commitab4dd923d778048d5ba4a0bab7e730d0c157b322 (patch)
tree457480487346cdb8ffc5105d0791891e158893f9
parente77d739e6a5ef96607f21229fb03530934b71d75 (diff)
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Fix portability to C90 and C++.
-rw-r--r--configure.ac1
-rw-r--r--pop3.c1
-rw-r--r--uid_db.c7
-rw-r--r--xmalloc.c7
-rw-r--r--xmalloc.h13
5 files changed, 17 insertions, 12 deletions
diff --git a/configure.ac b/configure.ac
index d6f96c2b..12ab1a4f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -103,6 +103,7 @@ AC_CHECK_DECLS([h_errno],,,[
])
AC_C_CONST dnl getopt needs this.
+AC_C_INLINE dnl uid_db.? need this.
AM_PROG_LEX
AC_PROG_MAKE_SET
diff --git a/pop3.c b/pop3.c
index cf950545..c5da128c 100644
--- a/pop3.c
+++ b/pop3.c
@@ -816,7 +816,6 @@ static int pop3_fastuidl( int sock, struct query *ctl, unsigned int count, int
int ok;
unsigned int first_nr, last_nr, try_nr;
char id [IDLEN+1];
- struct idlist *savep = NULL; /** pointer to cache save_str result, speeds up saves */
first_nr = 0;
last_nr = count + 1;
diff --git a/uid_db.c b/uid_db.c
index 97b1c2ba..18f4d6b3 100644
--- a/uid_db.c
+++ b/uid_db.c
@@ -10,12 +10,13 @@
/* Have Solaris expose ffs() from strings.h: */
#define __EXTENSIONS__
+#define _XOPEN_SOURCE 700
/* includes */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <strings.h> // ffs() lives here - needs #define on Solaris.
+#include <strings.h> /* ffs() lives here - needs #define on Solaris. */
#include "xmalloc.h"
#include "uid_db.h"
@@ -94,8 +95,8 @@ static struct pat_node *walk_down(struct uid_db *db, struct uid_db_record *rec,
*parentp =
(struct pat_node *)
((unsigned char *)edge - (v & bit_mask(bit_ndx) ?
- offsetof(struct pat_node, ptrs_[2])
- : offsetof(struct pat_node, ptrs_[0])));
+ offsetof(struct pat_node, ptrs_) + 2 * sizeof(struct pat_node *)
+ : offsetof(struct pat_node, ptrs_)));
*edgep = edge;
return cur;
}
diff --git a/xmalloc.c b/xmalloc.c
index c2ca4a66..44143a70 100644
--- a/xmalloc.c
+++ b/xmalloc.c
@@ -6,6 +6,7 @@
*/
#include "config.h"
+#include "xmalloc.h"
#include <sys/types.h>
#include <stdio.h>
#include <errno.h>
@@ -16,12 +17,6 @@
#include "fetchmail.h"
#include "i18n.h"
-#if defined(HAVE_VOIDPOINTER)
-#define XMALLOCTYPE void
-#else
-#define XMALLOCTYPE char
-#endif
-
XMALLOCTYPE *
xmalloc (size_t n)
{
diff --git a/xmalloc.h b/xmalloc.h
index 81835828..70ed0a0b 100644
--- a/xmalloc.h
+++ b/xmalloc.h
@@ -4,9 +4,14 @@
#define XMALLOC_H
#include "config.h"
+#include <stdlib.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
/* xmalloc.c */
-#if defined(HAVE_VOIDPOINTER)
+#if defined(HAVE_VOIDPOINTER) || defined(__cplusplus)
#define XMALLOCTYPE void
#else
#define XMALLOCTYPE char
@@ -16,7 +21,7 @@
XMALLOCTYPE *xmalloc(size_t n);
/** Reallocate \a n characters of memory, abort program on failure. */
-XMALLOCTYPE *xrealloc(/*@null@*/ XMALLOCTYPE *, size_t n);
+XMALLOCTYPE *xrealloc(/*@null@*/ void *, size_t n);
/** Free memory at position \a p and set pointer \a p to NULL afterwards. */
#define xfree(p) { if (p) { free(p); } (p) = 0; }
@@ -31,4 +36,8 @@ char *xstrdup(const char *src);
* length including NUL byte or n + 1. */
char *xstrndup(const char *src, size_t n);
+#ifdef __cplusplus
+}
+#endif
+
#endif