X-Git-Url: https://git.archive.openwrt.org/?a=blobdiff_plain;f=package%2Flibs%2Flibpcap%2Fpatches%2F201-space_optimization.patch;fp=package%2Flibs%2Flibpcap%2Fpatches%2F201-space_optimization.patch;h=b0a91bb0ef9a547f1a59b56e3f7ce960684dd37f;hb=e6fbf31baae41b618ff333f3ae55ff032333bd6a;hp=ee3cd3b8586f3e9601f83c80c24dc9a023c3f404;hpb=54bdfb4a32386b47d6c3bb98668f434e36a5285a;p=15.05%2Fopenwrt.git

diff --git a/package/libs/libpcap/patches/201-space_optimization.patch b/package/libs/libpcap/patches/201-space_optimization.patch
index ee3cd3b858..b0a91bb0ef 100644
--- a/package/libs/libpcap/patches/201-space_optimization.patch
+++ b/package/libs/libpcap/patches/201-space_optimization.patch
@@ -1,133 +1,26 @@
---- a/gencode.c
-+++ b/gencode.c
-@@ -511,20 +511,6 @@ pcap_compile_nopcap(int snaplen_arg, int
- }
+--- a/pcap-common.c
++++ b/pcap-common.c
+@@ -1447,14 +1447,23 @@ swap_pseudo_headers(int linktype, struct
+ 		break;
  
- /*
-- * Clean up a "struct bpf_program" by freeing all the memory allocated
-- * in it.
-- */
--void
--pcap_freecode(struct bpf_program *program)
--{
--	program->bf_len = 0;
--	if (program->bf_insns != NULL) {
--		free((char *)program->bf_insns);
--		program->bf_insns = NULL;
--	}
--}
--
--/*
-  * Backpatch the blocks in 'list' to 'target'.  The 'sense' field indicates
-  * which of the jt and jf fields has been resolved and which is a pointer
-  * back to another unresolved block (or nil).  At least one of the fields
---- a/pcap.c
-+++ b/pcap.c
-@@ -1075,6 +1075,59 @@ static const u_char charmap[] = {
- 	(u_char)'\374', (u_char)'\375', (u_char)'\376', (u_char)'\377',
- };
+ 	case DLT_USB_LINUX:
++#ifndef PCAP_SUPPORT_USB
++		return;
++#endif
+ 		swap_linux_usb_header(hdr, data, 0);
+ 		break;
  
-+/*
-+ * Clean up a "struct bpf_program" by freeing all the memory allocated
-+ * in it.
-+ */
-+void
-+pcap_freecode(struct bpf_program *program)
-+{
-+	program->bf_len = 0;
-+	if (program->bf_insns != NULL) {
-+		free((char *)program->bf_insns);
-+		program->bf_insns = NULL;
-+	}
-+}
-+
-+/*
-+ * Make a copy of a BPF program and put it in the "fcode" member of
-+ * a "pcap_t".
-+ *
-+ * If we fail to allocate memory for the copy, fill in the "errbuf"
-+ * member of the "pcap_t" with an error message, and return -1;
-+ * otherwise, return 0.
-+ */
-+int
-+install_bpf_program(pcap_t *p, struct bpf_program *fp)
-+{
-+	size_t prog_size;
-+
-+	/*
-+	 * Validate the program.
-+	 */
-+	if (!bpf_validate(fp->bf_insns, fp->bf_len)) {
-+		snprintf(p->errbuf, sizeof(p->errbuf),
-+			"BPF program is not valid");
-+		return (-1);
-+	}
-+
-+	/*
-+	 * Free up any already installed program.
-+	 */
-+	pcap_freecode(&p->fcode);
-+
-+	prog_size = sizeof(*fp->bf_insns) * fp->bf_len;
-+	p->fcode.bf_len = fp->bf_len;
-+	p->fcode.bf_insns = (struct bpf_insn *)malloc(prog_size);
-+	if (p->fcode.bf_insns == NULL) {
-+		snprintf(p->errbuf, sizeof(p->errbuf),
-+			 "malloc: %s", pcap_strerror(errno));
-+		return (-1);
-+	}
-+	memcpy(p->fcode.bf_insns, fp->bf_insns, prog_size);
-+	return (0);
-+}
-+
- int
- pcap_strcasecmp(const char *s1, const char *s2)
- {
---- a/optimize.c
-+++ b/optimize.c
-@@ -2193,45 +2193,6 @@ icode_to_fcode(struct block *root, u_int
- 	return fp;
- }
+ 	case DLT_USB_LINUX_MMAPPED:
++#ifndef PCAP_SUPPORT_USB
++		return;
++#endif
+ 		swap_linux_usb_header(hdr, data, 1);
+ 		break;
  
--/*
-- * Make a copy of a BPF program and put it in the "fcode" member of
-- * a "pcap_t".
-- *
-- * If we fail to allocate memory for the copy, fill in the "errbuf"
-- * member of the "pcap_t" with an error message, and return -1;
-- * otherwise, return 0.
-- */
--int
--install_bpf_program(pcap_t *p, struct bpf_program *fp)
--{
--	size_t prog_size;
--
--	/*
--	 * Validate the program.
--	 */
--	if (!bpf_validate(fp->bf_insns, fp->bf_len)) {
--		snprintf(p->errbuf, sizeof(p->errbuf),
--			"BPF program is not valid");
--		return (-1);
--	}
--
--	/*
--	 * Free up any already installed program.
--	 */
--	pcap_freecode(&p->fcode);
--
--	prog_size = sizeof(*fp->bf_insns) * fp->bf_len;
--	p->fcode.bf_len = fp->bf_len;
--	p->fcode.bf_insns = (struct bpf_insn *)malloc(prog_size);
--	if (p->fcode.bf_insns == NULL) {
--		snprintf(p->errbuf, sizeof(p->errbuf),
--			 "malloc: %s", pcap_strerror(errno));
--		return (-1);
--	}
--	memcpy(p->fcode.bf_insns, fp->bf_insns, prog_size);
--	return (0);
--}
--
- #ifdef BDEBUG
- static void
- opt_dump(struct block *root)
+ 	case DLT_NFLOG:
++#ifndef PCAP_SUPPORT_NETFILTER
++		return;
++#endif
+ 		swap_nflog_header(hdr, data);
+ 		break;
+ 	}