forked from Lainports/opnsense-ports
8cb1a96ede
Taken from: https://github.com/freebsd/freebsd-ports.git Commit id: 5070672073b68be364139bc6b3a89100bd17d331
20 lines
503 B
C
20 lines
503 B
C
--- net.c.orig 2001-12-15 20:51:50.000000000 +0300
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+++ net.c 2013-11-17 11:19:18.535476607 +0400
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@@ -78,12 +78,16 @@
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{
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unsigned char *p;
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int retval;
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- unsigned long crc;
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+ unsigned int crc;
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int s,r;
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p=mem_alloc(max_len+12);
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if (!p)return -1; /* not enough memory */
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retval=recvfrom(fd,p,max_len+12,0,addr,addr_len);
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+ if (retval<12) {
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+ mem_free(p);
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+ return -1;
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+ }
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memcpy(packet,p+12,max_len);
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crc=p[0]+(p[1]<<8)+(p[2]<<16)+(p[3]<<24);
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s=p[4]+(p[5]<<8)+(p[6]<<16)+(p[7]<<24);
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