SError.c

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#include "syshdrs.h"
 
#if defined(WIN32) || defined(_WINDOWS)
 
const char *wsaerrlist[128] = {
    /*   0 */   "Unknown error #0",
    /*   1 */   "Unknown error #1",
    /*   2 */   "Unknown error #2",
    /*   3 */   "Unknown error #3",
    /*   4 */   "Interrupted system call",
    /*   5 */   "Unknown error #5",
    /*   6 */   "Unknown error #6",
    /*   7 */   "Unknown error #7",
    /*   8 */   "Unknown error #8",
    /*   9 */   "Bad file descriptor",
    /*  10 */   "Unknown error #10",
    /*  11 */   "Unknown error #11",
    /*  12 */   "Unknown error #12",
    /*  13 */   "Permission denied",
    /*  14 */   "Bad address",
    /*  15 */   "Unknown error #15",
    /*  16 */   "Unknown error #16",
    /*  17 */   "Unknown error #17",
    /*  18 */   "Unknown error #18",
    /*  19 */   "Unknown error #19",
    /*  20 */   "Unknown error #20",
    /*  21 */   "Unknown error #21",
    /*  22 */   "Invalid argument",
    /*  23 */   "Unknown error #23",
    /*  24 */   "Too many open files",
    /*  25 */   "Unknown error #25",
    /*  26 */   "Unknown error #26",
    /*  27 */   "Unknown error #27",
    /*  28 */   "Unknown error #28",
    /*  29 */   "Unknown error #29",
    /*  30 */   "Unknown error #30",
    /*  31 */   "Unknown error #31",
    /*  32 */   "Unknown error #32",
    /*  33 */   "Unknown error #33",
    /*  34 */   "Unknown error #34",
    /*  35 */   "Resource temporarily unavailable",
    /*  36 */   "Operation now in progress",
    /*  37 */   "Operation already in progress",
    /*  38 */   "Socket operation on non-socket",
    /*  39 */   "Destination address required",
    /*  40 */   "Message too long",
    /*  41 */   "Protocol wrong type for socket",
    /*  42 */   "Protocol not available",
    /*  43 */   "Protocol not supported",
    /*  44 */   "Socket type not supported",
    /*  45 */   "Operation not supported",
    /*  46 */   "Protocol family not supported",
    /*  47 */   "Address family not supported by protocol",
    /*  48 */   "Address already in use",
    /*  49 */   "Cannot assign requested address",
    /*  50 */   "Network is down",
    /*  51 */   "Network is unreachable",
    /*  52 */   "Network dropped connection on reset",
    /*  53 */   "Software caused connection abort",
    /*  54 */   "Connection reset by peer",
    /*  55 */   "No buffer space available",
    /*  56 */   "Transport endpoint is already connected",
    /*  57 */   "Transport endpoint is not connected",
    /*  58 */   "Cannot send after transport endpoint shutdown",
    /*  59 */   "Too many references: cannot splice",
    /*  60 */   "Connection timed out",
    /*  61 */   "Connection refused",
    /*  62 */   "Too many levels of symbolic links",
    /*  63 */   "File name too long",
    /*  64 */   "Host is down",
    /*  65 */   "No route to host",
    /*  66 */   "Directory not empty",
    /*  67 */   "WSAEPROCLIM error",
    /*  68 */   "Too many users",
    /*  69 */   "Disc quota exceeded",
    /*  70 */   "Stale NFS file handle",
    /*  71 */   "Object is remote",
    /*  72 */   "Unknown error #72",
    /*  73 */   "Unknown error #73",
    /*  74 */   "Unknown error #74",
    /*  75 */   "Unknown error #75",
    /*  76 */   "Unknown error #76",
    /*  77 */   "Unknown error #77",
    /*  78 */   "Unknown error #78",
    /*  79 */   "Unknown error #79",
    /*  80 */   "Unknown error #80",
    /*  81 */   "Unknown error #81",
    /*  82 */   "Unknown error #82",
    /*  83 */   "Unknown error #83",
    /*  84 */   "Unknown error #84",
    /*  85 */   "Unknown error #85",
    /*  86 */   "Unknown error #86",
    /*  87 */   "Unknown error #87",
    /*  88 */   "Unknown error #88",
    /*  89 */   "Unknown error #89",
    /*  90 */   "Unknown error #90",
    /*  91 */   "WSASYSNOTREADY error",
    /*  92 */   "Version not supported",
    /*  93 */   "Winsock not initialised",
    /*  94 */   "Unknown error #94",
    /*  95 */   "Unknown error #95",
    /*  96 */   "Unknown error #96",
    /*  97 */   "Unknown error #97",
    /*  98 */   "Unknown error #98",
    /*  99 */   "Unknown error #99",
    /* 100 */   "Unknown error #100",
    /* 101 */   "WSAEDISCON error",
    /* 102 */   "Unknown error #102",
    /* 103 */   "Unknown error #103",
    /* 104 */   "Unknown error #104",
    /* 105 */   "Unknown error #105",
    /* 106 */   "Unknown error #106",
    /* 107 */   "Unknown error #107",
    /* 108 */   "Unknown error #108",
    /* 109 */   "Unknown error #109",
    /* 110 */   "Unknown error #110",
    /* 111 */   "Unknown error #111",
    /* 112 */   "Unknown error #112",
    /* 113 */   "Unknown error #113",
    /* 114 */   "Unknown error #114",
    /* 115 */   "Unknown error #115",
    /* 116 */   "Unknown error #116",
    /* 117 */   "Unknown error #117",
    /* 118 */   "Unknown error #118",
    /* 119 */   "Unknown error #119",
    /* 120 */   "Unknown error #120",
    /* 121 */   "Unknown error #121",
    /* 122 */   "Unknown error #122",
    /* 123 */   "Unknown error #123",
    /* 124 */   "Unknown error #124",
    /* 125 */   "Unknown error #125",
    /* 126 */   "Unknown error #126",
    /* 127 */   "Unknown error #127",
};
 
#endif  /* Windows */
 
 
 
const char *
SError(int e)
{
#if defined(WIN32) || defined(_WINDOWS)
    const char *cp;
    static char estr[32];
 
    if (e == 0)
        e = WSAGetLastError();
 
    if ((e >= WSABASEERR) && (e < (WSABASEERR + (sizeof(wsaerrlist) / sizeof(const char *))))) {
        return wsaerrlist[e - WSABASEERR];
    }
 
    cp = strerror(e);
    if ((cp == NULL) || (cp[0] == '\0') || (strcmp(cp, "Unknown error") == 0)) {
        wsprintf(estr, "Error #%d", e);
        cp = estr;
    }
    return cp;
#elif defined(HAVE_STRERROR)
    if (e == 0)
        e = errno;
    return strerror(e);
#else
    static char estr[32];
    if (e == 0)
        e = errno;
    sprintf(estr, "Error #%d", e);
    return (estr);
#endif
}   /* SError */