diff options
Diffstat (limited to 'missing/strerror.c')
| -rw-r--r-- | missing/strerror.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/missing/strerror.c b/missing/strerror.c index 44013b3892..d3b61c3f12 100644 --- a/missing/strerror.c +++ b/missing/strerror.c @@ -1,6 +1,6 @@ -/* - * strerror.c --- Map an integer error number into a printable string. - */ +/* public domain rewrite of strerror(3) */ + +#include "ruby/missing.h" extern int sys_nerr; extern char *sys_errlist[]; @@ -8,12 +8,11 @@ extern char *sys_errlist[]; static char msg[50]; char * -strerror(error) - int error; +strerror(int error) { - if ((error <= sys_nerr) && (error > 0)) { + if (error <= sys_nerr && error > 0) { return sys_errlist[error]; } - sprintf (msg, "Unknown error (%d)", error); + snprintf(msg, sizeof(msg), "Unknown error (%d)", error); return msg; } |