diff options
Diffstat (limited to 'signame.c')
| -rw-r--r-- | signame.c | 20 |
1 files changed, 15 insertions, 5 deletions
@@ -70,12 +70,14 @@ extern char *sys_siglist[]; /* Table of abbreviations for signals. Note: A given number can appear more than once with different abbreviations. */ +#define SIG_TABLE_SIZE (NSIG*2) + typedef struct { int number; const char *abbrev; } num_abbrev; -static num_abbrev sig_table[NSIG*2]; +static num_abbrev sig_table[SIG_TABLE_SIZE]; /* Number of elements of sig_table used. */ static int sig_table_nelts = 0; @@ -88,10 +90,18 @@ init_sig (number, abbrev, name) const char *name; { #ifndef HAVE_SYS_SIGLIST - sys_siglist[number] = name; -#endif - sig_table[sig_table_nelts].number = number; - sig_table[sig_table_nelts++].abbrev = abbrev; + /* If this value is ever greater than NSIG it seems like it'd be a bug in + the system headers, but... better safe than sorry. We know, for + example, that this isn't always true on VMS. */ + + if (number >= 0 && number < NSIG) + sys_siglist[number] = name; +#endif + if (sig_table_nelts < SIG_TABLE_SIZE) + { + sig_table[sig_table_nelts].number = number; + sig_table[sig_table_nelts++].abbrev = abbrev; + } } void |