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author | wlemb <wlemb> | 2000-02-06 09:34:01 +0000 |
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committer | wlemb <wlemb> | 2000-02-06 09:34:01 +0000 |
commit | 653c6faab591f3c5f290a18a7f58c29cb1a3b0a7 (patch) | |
tree | 633fec7ba17c3da901e7725d1907a103a17e4532 /src/libs/libgroff/getcwd.c | |
download | groff-653c6faab591f3c5f290a18a7f58c29cb1a3b0a7.tar.gz |
Initial revision
Diffstat (limited to 'src/libs/libgroff/getcwd.c')
-rw-r--r-- | src/libs/libgroff/getcwd.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/libs/libgroff/getcwd.c b/src/libs/libgroff/getcwd.c new file mode 100644 index 00000000..208e8111 --- /dev/null +++ b/src/libs/libgroff/getcwd.c @@ -0,0 +1,38 @@ +/* Partial emulation of getcwd in terms of getwd. */ + +#include <sys/param.h> +#include <string.h> +#include <errno.h> +#ifndef errno +extern int errno; +#endif + +char *getwd(); + +char *getcwd(buf, size) + char *buf; + int size; /* POSIX says this should be size_t */ +{ + if (size <= 0) { + errno = EINVAL; + return 0; + } + else { + char mybuf[MAXPATHLEN]; + int saved_errno = errno; + + errno = 0; + if (!getwd(mybuf)) { + if (errno == 0) + ; /* what to do? */ + return 0; + } + errno = saved_errno; + if (strlen(mybuf) + 1 > size) { + errno = ERANGE; + return 0; + } + strcpy(buf, mybuf); + return buf; + } +} |