diff options
Diffstat (limited to '')
| -rw-r--r-- | debian/patches/470_alloc.patch | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/debian/patches/470_alloc.patch b/debian/patches/470_alloc.patch deleted file mode 100644 index b7cae1a..0000000 --- a/debian/patches/470_alloc.patch +++ /dev/null @@ -1,151 +0,0 @@ -Subject: Add overflow detection (still support <C99) -From: Scarlett <scarlett@xavin.net>, Tatsuya Kinoshita <tats@debian.org> -Origin: http://marc.info/?l=openbsd-ports&m=142090828929750&w=2 - -diff --git a/alloc.h b/alloc.h -new file mode 100644 -index 0000000..fa0d391 ---- /dev/null -+++ b/alloc.h -@@ -0,0 +1,39 @@ -+/* -+ * by Scarlett. public domain. -+ * replacements for w3m's allocation macros which add overflow -+ * detection and concentrate the macros in one file -+ */ -+#ifndef W3_ALLOC_H -+#define W3_ALLOC_H -+#include <gc.h> -+#include <stdlib.h> -+#include <stdio.h> -+#include <limits.h> -+ -+static inline size_t -+z_mult_no_oflow_(size_t n, size_t size) -+{ -+ if (size != 0 && n > ULONG_MAX / size) { -+ fprintf(stderr, -+ "w3m: overflow in malloc, %lu*%lu\n", (unsigned long)n, (unsigned long)size); -+ exit(1); -+ } -+ return n * size; -+} -+ -+#define New(type) \ -+ (GC_MALLOC(sizeof(type))) -+ -+#define NewAtom(type) \ -+ (GC_MALLOC_ATOMIC(sizeof(type))) -+ -+#define New_N(type, n) \ -+ (GC_MALLOC(z_mult_no_oflow_((n), sizeof(type)))) -+ -+#define NewAtom_N(type, n) \ -+ (GC_MALLOC_ATOMIC(z_mult_no_oflow_((n), sizeof(type)))) -+ -+#define New_Reuse(type, ptr, n) \ -+ (GC_REALLOC((ptr), z_mult_no_oflow_((n), sizeof(type)))) -+ -+#endif /* W3_ALLOC_H */ -diff --git a/indep.h b/indep.h -index 84416ed..2809832 100644 ---- a/indep.h -+++ b/indep.h -@@ -1,7 +1,7 @@ - /* $Id: indep.h,v 1.16 2003/09/22 21:02:19 ukai Exp $ */ - #ifndef INDEP_H - #define INDEP_H --#include <gc.h> -+#include "alloc.h" - #include "Str.h" - #include "config.h" - -@@ -92,11 +92,6 @@ extern char *w3m_etc_dir(); - extern char *w3m_conf_dir(); - extern char *w3m_help_dir(); - --#define New(type) ((type*)GC_MALLOC(sizeof(type))) --#define NewAtom(type) ((type*)GC_MALLOC_ATOMIC(sizeof(type))) --#define New_N(type,n) ((type*)GC_MALLOC((n)*sizeof(type))) --#define NewAtom_N(type,n) ((type*)GC_MALLOC_ATOMIC((n)*sizeof(type))) --#define New_Reuse(type,ptr,n) ((type*)GC_REALLOC((ptr),(n)*sizeof(type))) - #define NewWithoutGC(type) ((type*)xmalloc(sizeof(type))) - #define NewWithoutGC_N(type,n) ((type*)xmalloc((n)*sizeof(type))) - #define NewWithoutGC_Reuse(type,ptr,n) ((type*)xrealloc(ptr,(n)*sizeof(type))) -diff --git a/libwc/charset.c b/libwc/charset.c -index 3f0b74d..ea79b1c 100644 ---- a/libwc/charset.c -+++ b/libwc/charset.c -@@ -1,8 +1,7 @@ - - #include <stdlib.h> - #include <ctype.h> --#include <gc.h> --#define New_N(type,n) ((type*)GC_MALLOC((n)*sizeof(type))) -+#include "../alloc.h" - - #include "wc.h" - -diff --git a/libwc/status.c b/libwc/status.c -index d25c924..4a2ebf8 100644 ---- a/libwc/status.c -+++ b/libwc/status.c -@@ -1,7 +1,6 @@ - - #include <string.h> --#include <gc.h> --#define New_N(type,n) ((type*)GC_MALLOC((n)*sizeof(type))) -+#include "../alloc.h" - - #include "wc.h" - #ifdef USE_UNICODE -diff --git a/main.c b/main.c -index 76256d6..d37b243 100644 ---- a/main.c -+++ b/main.c -@@ -383,6 +383,13 @@ make_optional_header_string(char *s) - return hs; - } - -+static void * -+die_oom(size_t bytes) -+{ -+ fprintf(stderr, "Out of memory: %lu bytes unavailable!\n", (unsigned long)bytes); -+ exit(1); -+} -+ - int - main(int argc, char **argv, char **envp) - { -@@ -412,6 +419,7 @@ main(int argc, char **argv, char **envp) - char **getimage_args = NULL; - #endif /* defined(DONT_CALL_GC_AFTER_FORK) && defined(USE_IMAGE) */ - GC_INIT(); -+ GC_set_oom_fn(die_oom); - #if defined(ENABLE_NLS) || (defined(USE_M17N) && defined(HAVE_LANGINFO_CODESET)) - setlocale(LC_ALL, ""); - #endif -diff --git a/matrix.c b/matrix.c -index 64fd0ad..bc7a5be 100644 ---- a/matrix.c -+++ b/matrix.c -@@ -34,18 +34,12 @@ - - #include "config.h" - #include "matrix.h" --#include <gc.h> -+#include "alloc.h" - - /* - * Macros from "fm.h". - */ - --#define New(type) ((type*)GC_MALLOC(sizeof(type))) --#define NewAtom(type) ((type*)GC_MALLOC_ATOMIC(sizeof(type))) --#define New_N(type,n) ((type*)GC_MALLOC((n)*sizeof(type))) --#define NewAtom_N(type,n) ((type*)GC_MALLOC_ATOMIC((n)*sizeof(type))) --#define Renew_N(type,ptr,n) ((type*)GC_REALLOC((ptr),(n)*sizeof(type))) -- - #define SWAPD(a,b) { double tmp = a; a = b; b = tmp; } - #define SWAPI(a,b) { int tmp = a; a = b; b = tmp; } - |