Defines |
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#define | SNMP_MAXPATH 1024 /* Should be safe enough */ |
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#define | SNMP_MAXBUF (1024 * 4) |
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#define | SNMP_MAXBUF_MEDIUM 1024 |
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#define | SNMP_MAXBUF_SMALL 512 |
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#define | SNMP_MAXBUF_MESSAGE 1500 |
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#define | SNMP_MAXOID 64 |
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#define | SNMP_MAX_CMDLINE_OIDS 128 |
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#define | SNMP_FILEMODE_CLOSED 0600 |
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#define | SNMP_FILEMODE_OPEN 0644 |
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#define | BYTESIZE(bitsize) ((bitsize + 7) >> 3) |
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#define | ROUNDUP8(x) ( ( (x+7) >> 3 ) * 8 ) |
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#define | SNMP_STRORNULL(x) ( x ? x : "(null)") |
| #define | SNMP_FREE(s) do { if (s) { free((void *)s); s=NULL; } } while(0) |
| | Frees a pointer only if it is !NULL and sets its value to NULL.
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| #define | SNMP_SWIPE_MEM(n, s) do { if (n) free((void *)n); n = s; s=NULL; } while(0) |
| | Frees pointer n only if it is !NULL, sets n to s and sets s to NULL.
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| #define | SNMP_MALLOC_STRUCT(s) (struct s *) calloc(1, sizeof(struct s)) |
| | Mallocs memory of sizeof(struct s), zeros it and returns a pointer to it.
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| #define | SNMP_MALLOC_TYPEDEF(td) (td *) calloc(1, sizeof(td)) |
| | Mallocs memory of sizeof(t), zeros it and returns a pointer to it.
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| #define | SNMP_ZERO(s, l) do { if (s) memset(s, 0, l); } while(0) |
| | Zeros l bytes of memory starting at s.
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#define | TOUPPER(c) (c >= 'a' && c <= 'z' ? c - ('a' - 'A') : c) |
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#define | TOLOWER(c) (c >= 'A' && c <= 'Z' ? c + ('a' - 'A') : c) |
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#define | HEX2VAL(s) ((isalpha(s) ? (TOLOWER(s)-'a'+10) : (TOLOWER(s)-'0')) & 0xf) |
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#define | VAL2HEX(s) ( (s) + (((s) >= 10) ? ('a'-10) : '0') ) |
| #define | SNMP_MAX(a, b) ((a) > (b) ? (a) : (b)) |
| | Computers the maximum of a and b.
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| #define | SNMP_MIN(a, b) ((a) > (b) ? (b) : (a)) |
| | Computers the minimum of a and b.
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#define | FALSE 0 |
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#define | TRUE 1 |
| #define | QUITFUN(e, l) |
| #define | DIFFTIMEVAL(now, then, diff) |
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#define | USM_LENGTH_OID_TRANSFORM 10 |
| #define | ISTRANSFORM(ttype, toid) |
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#define | ENGINETIME_MAX 2147483647 /* ((2^31)-1) */ |
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#define | ENGINEBOOT_MAX 2147483647 /* ((2^31)-1) */ |
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#define | snmp_cstrcat(b, l, o, a, s) snmp_strcat(b,l,o,a,(const u_char *)s) |
Typedefs |
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typedef void * | marker_t |
Functions |
| int | snmp_realloc (u_char **buf, size_t *buf_len) |
| | This function increase the size of the buffer pointed at by *buf, which is initially of size *buf_len.
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| void | free_zero (void *buf, size_t size) |
| | zeros memory before freeing it.
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| u_char * | malloc_random (size_t *size) |
| | Returns pointer to allocaed & set buffer on success, size contains number of random bytes filled.
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u_char * | malloc_zero (size_t size) |
| int | memdup (u_char **to, const u_char *from, size_t size) |
| | Duplicates a memory block.
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| u_int | binary_to_hex (const u_char *input, size_t len, char **output) |
| | converts binary to hexidecimal
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| int | netsnmp_hex_to_binary (u_char **buf, size_t *buf_len, size_t *offset, int allow_realloc, const char *hex, const char *delim) |
| | convert an ASCII hex string (with specified delimiters) to binary
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| int | snmp_hex_to_binary (u_char **buf, size_t *buf_len, size_t *offset, int allow_realloc, const char *hex) |
| | convert an ASCII hex string to binary
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| int | hex_to_binary2 (const u_char *input, size_t len, char **output) |
| | hex_to_binary2
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int | snmp_decimal_to_binary (u_char **buf, size_t *buf_len, size_t *out_len, int allow_realloc, const char *decimal) |
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int | snmp_strcat (u_char **buf, size_t *buf_len, size_t *out_len, int allow_realloc, const u_char *s) |
| char * | netsnmp_strdup_and_null (const u_char *from, size_t from_len) |
| | copies a (possible) unterminated string of a given length into a new buffer and null terminates it as well (new buffer MAY be one byte longer to account for this
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void | dump_chunk (const char *debugtoken, const char *title, const u_char *buf, int size) |
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char * | dump_snmpEngineID (const u_char *buf, size_t *buflen) |
| marker_t | atime_newMarker (void) |
| | create a new time marker.
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| void | atime_setMarker (marker_t pm) |
| | set a time marker.
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| long | atime_diff (marker_t first, marker_t second) |
| | Returns the difference (in msec) between the two markers.
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| u_long | uatime_diff (marker_t first, marker_t second) |
| | Returns the difference (in u_long msec) between the two markers.
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| u_long | uatime_hdiff (marker_t first, marker_t second) |
| | Returns the difference (in u_long 1/100th secs) between the two markers (functionally this is what sysUpTime needs)
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| int | atime_ready (marker_t pm, int deltaT) |
| | Test: Has (marked time plus delta) exceeded current time (in msec) ? Returns 0 if test fails or cannot be tested (no marker).
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| int | uatime_ready (marker_t pm, unsigned int deltaT) |
| | Test: Has (marked time plus delta) exceeded current time (in msec) ? Returns 0 if test fails or cannot be tested (no marker).
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| int | marker_tticks (marker_t pm) |
| | Return the number of timeTicks since the given marker.
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int | timeval_tticks (struct timeval *tv) |
| char * | netsnmp_getenv (const char *name) |
| | Non Windows: Returns a pointer to the desired environment variable or NULL if the environment variable does not exist.
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int | netsnmp_addrstr_hton (char *ptr, size_t len) |
