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author | Rich Felker <dalias@aerifal.cx> | 2011-02-12 00:22:29 -0500 |
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committer | Rich Felker <dalias@aerifal.cx> | 2011-02-12 00:22:29 -0500 |
commit | 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 (patch) | |
tree | 6eaef0d8a720fa3da580de87b647fff796fe80b3 /src/network/__ipparse.c | |
download | musl-0b44a0315b47dd8eced9f3b7f31580cf14bbfc01.tar.gz musl-0b44a0315b47dd8eced9f3b7f31580cf14bbfc01.tar.bz2 musl-0b44a0315b47dd8eced9f3b7f31580cf14bbfc01.tar.xz musl-0b44a0315b47dd8eced9f3b7f31580cf14bbfc01.zip |
initial check-in, version 0.5.0v0.5.0
Diffstat (limited to 'src/network/__ipparse.c')
-rw-r--r-- | src/network/__ipparse.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/network/__ipparse.c b/src/network/__ipparse.c new file mode 100644 index 00000000..ca9e5890 --- /dev/null +++ b/src/network/__ipparse.c @@ -0,0 +1,40 @@ +#include <string.h> +#include <stdlib.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include "__dns.h" +#include <stdio.h> + +int __ipparse(void *dest, int family, const char *s) +{ + unsigned char *d = dest; + unsigned long a[16] = { 0 }; + const char *z; + int i; + + if (family == AF_INET6) goto not_v4; + + for (i=0; i<4 && *s; i++) { + a[i] = strtoul(s, (char **)&z, 0); + if (z==s || (*z && *z != '.')) goto not_v4; + s=z+1; + } + switch (i) { + case 0: + a[1] = a[0] & 0xffffff; + a[0] >>= 24; + case 1: + a[2] = a[1] & 0xffff; + a[1] >>= 16; + case 2: + a[3] = a[2] & 0xff; + a[2] >>= 8; + } + ((struct sockaddr_in *)d)->sin_family = AF_INET; + d = (void *)&((struct sockaddr_in *)d)->sin_addr; + for (i=0; i<4; i++) d[i] = a[i]; + return 0; + +not_v4: + return -1; +} |