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fix emulated inet_aton so that it fails for invalid addresses

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patch by elupus: \elupus ecce se/
original thread:
[FFmpeg-devel] [PATCH] emulated inet_aton doesn't fail for invalidaddresses
date: 07/15/2007 12:40 AM

Originally committed as revision 9731 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Joakim Plate 2007-07-18 07:57:26 +00:00 committed by Benoit Fouet
parent f175201004
commit 104d04182d
1 changed files with 5 additions and 4 deletions
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9
libavformat/os_support.c
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@ -46,16 +46,17 @@ int inet_aton (const char * str, struct in_addr * add)
add1 = atoi(pch); add1 = atoi(pch);
pch = strpbrk(pch,"."); pch = strpbrk(pch,".");
if (pch == 0 || ++pch == 0) goto done; if (pch == 0 || ++pch == 0) return 0;
add2 = atoi(pch); add2 = atoi(pch);
pch = strpbrk(pch,"."); pch = strpbrk(pch,".");
if (pch == 0 || ++pch == 0) goto done; if (pch == 0 || ++pch == 0) return 0;
add3 = atoi(pch); add3 = atoi(pch);
pch = strpbrk(pch,"."); pch = strpbrk(pch,".");
if (pch == 0 || ++pch == 0) goto done; if (pch == 0 || ++pch == 0) return 0;
add4 = atoi(pch); add4 = atoi(pch);
done: if (!add1 || (add1|add2|add3|add4) > 255) return 0;
add->s_addr=(add4<<24)+(add3<<16)+(add2<<8)+add1; add->s_addr=(add4<<24)+(add3<<16)+(add2<<8)+add1;
return 1; return 1;