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| author | Henryk Plötz <henryk@ploetzli.ch> | 2014-10-03 19:58:52 +0200 |
|---|---|---|
| committer | Henryk Plötz <henryk@ploetzli.ch> | 2014-10-03 19:58:52 +0200 |
| commit | 0e5b2871ca6456b01d4bf037a6e68badf1ff1a41 (patch) | |
| tree | 97b95b74c9618d85da9aa9451a55a819cd7b1c2e /str_diff.c | |
| download | tinydnssec-0e5b2871ca6456b01d4bf037a6e68badf1ff1a41.tar.gz tinydnssec-0e5b2871ca6456b01d4bf037a6e68badf1ff1a41.tar.bz2 | |
Initial commit of djbdns-1.05.tar.gz
Source was http://cr.yp.to/djbdns/djbdns-1.05.tar.gz, SHA1 2efdb3a039d0c548f40936aa9cb30829e0ce8c3d
Diffstat (limited to 'str_diff.c')
| -rw-r--r-- | str_diff.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/str_diff.c b/str_diff.c new file mode 100644 index 0000000..071e7f5 --- /dev/null +++ b/str_diff.c @@ -0,0 +1,15 @@ +#include "str.h" + +int str_diff(register const char *s,register const char *t) +{ + register char x; + + for (;;) { + x = *s; if (x != *t) break; if (!x) break; ++s; ++t; + x = *s; if (x != *t) break; if (!x) break; ++s; ++t; + x = *s; if (x != *t) break; if (!x) break; ++s; ++t; + x = *s; if (x != *t) break; if (!x) break; ++s; ++t; + } + return ((int)(unsigned int)(unsigned char) x) + - ((int)(unsigned int)(unsigned char) *t); +} |