| Junio C Hamano | 8502357 | 2006-12-19 14:34:12 -0800 | [diff] [blame] | 1 | #include "../git-compat-util.h" |
| Jason Riedy | 731043f | 2006-01-25 12:38:36 -0800 | [diff] [blame] | 2 | |
| 3 | void gitunsetenv (const char *name) |
| 4 | { |
| 5 | extern char **environ; |
| 6 | int src, dst; |
| 7 | size_t nmln; |
| 8 | |
| 9 | nmln = strlen(name); |
| 10 | |
| 11 | for (src = dst = 0; environ[src]; ++src) { |
| 12 | size_t enln; |
| 13 | enln = strlen(environ[src]); |
| 14 | if (enln > nmln) { |
| 15 | /* might match, and can test for '=' safely */ |
| 16 | if (0 == strncmp (environ[src], name, nmln) |
| 17 | && '=' == environ[src][nmln]) |
| 18 | /* matches, so skip */ |
| 19 | continue; |
| 20 | } |
| 21 | environ[dst] = environ[src]; |
| 22 | ++dst; |
| 23 | } |
| 24 | environ[dst] = NULL; |
| 25 | } |
