#include "asterisk.h"
#include <sys/types.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
Go to the source code of this file.
Defines | |
#define | LONG_MAX 9223372036854775807L |
#define | LONG_MIN (-9223372036854775807L-1L) |
Functions | |
int | asprintf (char **str, const char *fmt,...) |
int | getloadavg (double *list, int nelem) |
Return something that won't cancel the call, but still return -1, in case we correct the implementation to check return value. | |
int | setenv (const char *name, const char *value, int overwrite) |
char * | strcasestr (const char *haystack, const char *needle) |
size_t | strlcat (char *dst, const char *src, size_t siz) |
size_t | strlcpy (char *dst, const char *src, size_t siz) |
char * | strndup (const char *s, size_t n) |
size_t | strnlen (const char *s, size_t n) |
char * | strsep (char **str, const char *delims) |
uint64_t | strtoq (const char *nptr, char **endptr, int base) |
Convert a string to a quad integer. | |
int | unsetenv (const char *name) |
static char * | upper (const char *orig, char *buf, int bufsize) |
int | vasprintf (char **strp, const char *fmt, va_list ap) |
Definition in file strcompat.c.
#define LONG_MAX 9223372036854775807L |
#define LONG_MIN (-9223372036854775807L-1L) |
int asprintf | ( | char ** | str, | |
const char * | fmt, | |||
... | ||||
) |
int getloadavg | ( | double * | list, | |
int | nelem | |||
) |
Return something that won't cancel the call, but still return -1, in case we correct the implementation to check return value.
Definition at line 334 of file strcompat.c.
Referenced by increase_call_count().
00335 { 00336 int i; 00337 00338 for (i = 0; i < nelem; i++) { 00339 list[i] = 0.1; 00340 } 00341 return -1; 00342 }
int setenv | ( | const char * | name, | |
const char * | value, | |||
int | overwrite | |||
) |
Definition at line 63 of file strcompat.c.
Referenced by env_write(), launch_script(), load_odbc_config(), reload(), and unsetenv().
00064 { 00065 unsigned char *buf; 00066 int buflen; 00067 00068 buflen = strlen(name) + strlen(value) + 2; 00069 buf = alloca(buflen); 00070 00071 if (!overwrite && getenv(name)) 00072 return 0; 00073 00074 snprintf(buf, buflen, "%s=%s", name, value); 00075 00076 return putenv(buf); 00077 }
char* strcasestr | ( | const char * | haystack, | |
const char * | needle | |||
) |
Definition at line 102 of file strcompat.c.
References offset, and upper().
Referenced by anti_injection(), do_directory(), find_sdp(), get_refer_info(), gettag(), handle_request_invite(), handle_response_register(), handle_show_applications(), handle_show_applications_deprecated(), modlist_modentry(), parse_register_contact(), playback_exec(), realtime_multi_odbc(), realtime_odbc(), reqprep(), respprep(), sip_sipredirect(), and sip_uri_headers_cmp().
00103 { 00104 char *u1, *u2; 00105 int u1len = strlen(haystack) + 1, u2len = strlen(needle) + 1; 00106 00107 u1 = alloca(u1len); 00108 u2 = alloca(u2len); 00109 if (u1 && u2) { 00110 char *offset; 00111 if (u2len > u1len) { 00112 /* Needle bigger than haystack */ 00113 return NULL; 00114 } 00115 offset = strstr(upper(haystack, u1, u1len), upper(needle, u2, u2len)); 00116 if (offset) { 00117 /* Return the offset into the original string */ 00118 return ((char *)((unsigned long)haystack + (unsigned long)(offset - u1))); 00119 } else { 00120 return NULL; 00121 } 00122 } else { 00123 return NULL; 00124 } 00125 }
size_t strlcat | ( | char * | dst, | |
const char * | src, | |||
size_t | siz | |||
) |
Definition at line 384 of file strcompat.c.
References s.
00385 { 00386 register char *d = dst; 00387 register const char *s = src; 00388 register size_t n = siz; 00389 size_t dlen; 00390 00391 /* Find the end of dst and adjust bytes left but don't go past end */ 00392 while (n-- != 0 && *d != '\0') 00393 d++; 00394 dlen = d - dst; 00395 n = siz - dlen; 00396 00397 if (n == 0) 00398 return dlen + strlen(s); 00399 00400 while (*s != '\0') { 00401 if (n != 1) { 00402 *d++ = *s; 00403 n--; 00404 } 00405 s++; 00406 } 00407 *d = '\0'; 00408 00409 return dlen + (s - src); /* count does not include NUL */ 00410 }
size_t strlcpy | ( | char * | dst, | |
const char * | src, | |||
size_t | siz | |||
) |
Definition at line 448 of file strcompat.c.
References s.
00449 { 00450 register char *d = dst; 00451 register const char *s = src; 00452 register size_t n = siz; 00453 00454 /* Copy as many bytes as will fit */ 00455 if (n != 0 && --n != 0) { 00456 do { 00457 if ((*d++ = *s++) == 0) 00458 break; 00459 } while (--n != 0); 00460 } 00461 00462 /* Not enough room in dst, add NUL and traverse rest of src */ 00463 if (n == 0) { 00464 if (siz != 0) 00465 *d = '\0'; /* NUL-terminate dst */ 00466 while (*s++) 00467 ; 00468 } 00469 00470 return s - src - 1; /* count does not include NUL */ 00471 }
char* strndup | ( | const char * | s, | |
size_t | n | |||
) |
size_t strnlen | ( | const char * | s, | |
size_t | n | |||
) |
char* strsep | ( | char ** | str, | |
const char * | delims | |||
) |
Definition at line 36 of file strcompat.c.
Referenced by __ast_play_and_record(), __login_exec(), __set_address_from_contact(), _build_port_config(), _macro_exec(), _parse(), acf_vmcount_exec(), add_realm_authentication(), adsi_load(), adsi_message(), agi_exec_full(), aji_send_exec(), aji_status_exec(), append_history_va(), append_mailbox(), append_mailbox_mapping(), apply_options(), apply_outgoing(), ast_aji_get_client(), ast_build_timing(), ast_device_state(), ast_el_strtoarr(), ast_extension_state2(), ast_feature_interpret(), ast_filehelper(), ast_get_group(), ast_hint_state_changed(), ast_netsock_bind(), ast_parse_allow_disallow(), ast_parseable_goto(), ast_playtones_start(), ast_read_image(), ast_remotecontrol(), astman_get_variables(), asyncgoto_exec(), attempt_reconnect(), authenticate_verify(), background_detect_exec(), build_channels(), build_device(), callerid_read(), check_auth(), check_blacklist(), check_user_full(), cleanup_stale_contexts(), collect_function_digits(), complete_context_add_ignorepat(), complete_context_add_ignorepat_deprecated(), complete_context_add_include(), complete_context_add_include_deprecated(), complete_context_dont_include_deprecated(), complete_context_remove_ignorepat(), complete_context_remove_ignorepat_deprecated(), complete_context_remove_include(), complete_meetmecmd(), conf_exec(), connect_link(), console_dial(), console_dial_deprecated(), cut_internal(), dahdi_request(), decrypt_frame(), del_exec(), deltree_exec(), dial_trunk(), do_directory(), exec_exec(), extenspy_exec(), extract_uri(), exts_compare(), fileexists_core(), find_gtalk(), fix_complete_args(), forward_message(), function_fieldqty(), function_ilink(), function_remote(), function_sippeer(), get_destination(), get_rdnis(), gettag(), gosubif_exec(), gtalk_alloc(), gtalk_request(), handle_agidumphtml(), handle_common_options(), handle_context_add_extension(), handle_context_add_extension_deprecated(), handle_request_invite(), handle_show_dialplan(), handle_uri(), has_voicemail(), hasvoicemail_exec(), iax2_register(), iftime(), inboxcount(), ind_load_module(), ivr_dispatch(), leave_voicemail(), load_config(), log_exec(), make_components(), metermaidstate(), misdn_call(), misdn_set_opt_exec(), notify_new_message(), orig_app(), orig_exten(), page_exec(), parkandannounce_exec(), parse_cookies(), parse_dial_string(), parse_register_contact(), pbx_builtin_background(), pbx_builtin_execiftime(), pbx_builtin_gotoif(), pbx_builtin_gotoiftime(), pbx_builtin_importvar(), pbx_builtin_saynumber(), pbx_builtin_setglobalvar(), pbx_load_config(), pbx_load_users(), peer_set_srcaddr(), pickup_exec(), playback_exec(), process_dahdi(), process_text_line(), queue_set_param(), random_exec(), read_config_maps(), readfile_exec(), realtime_multi_odbc(), realtime_multi_pgsql(), realtime_odbc(), realtime_pgsql(), record_exec(), reg_source_db(), register_peer_exten(), register_verify(), reload_agents(), reload_queue_members(), reply_digest(), reqprep(), rpt_exec(), rpt_tele_thread(), send_tone_telemetry(), sendurl_exec(), set(), set_config_flags(), set_insecure_flags(), sip_do_debug_ip(), sip_sipredirect(), sip_uri_cmp(), sip_uri_headers_cmp(), sla_add_trunk_to_station(), sla_check_device(), sla_queue_event_conf(), sla_ring_station(), sla_state(), sla_station_exec(), softhangup_exec(), sort_internal(), spawn_mp3(), spawn_ras(), speech_background(), ss_thread(), stat_read(), transmit_state_notify(), tryexec_exec(), verbose_exec(), vmauthenticate(), and zapateller_exec().
00037 { 00038 char *token; 00039 00040 if (!*str) { 00041 /* No more tokens */ 00042 return NULL; 00043 } 00044 00045 token = *str; 00046 while (**str != '\0') { 00047 if (strchr(delims, **str)) { 00048 **str = '\0'; 00049 (*str)++; 00050 return token; 00051 } 00052 (*str)++; 00053 } 00054 00055 /* There is no other token */ 00056 *str = NULL; 00057 00058 return token; 00059 }
uint64_t strtoq | ( | const char * | nptr, | |
char ** | endptr, | |||
int | base | |||
) |
Convert a string to a quad integer.
Definition at line 225 of file strcompat.c.
References LONG_MAX, LONG_MIN, and s.
00226 { 00227 const char *s; 00228 uint64_t acc; 00229 unsigned char c; 00230 uint64_t qbase, cutoff; 00231 int neg, any, cutlim; 00232 00233 /* 00234 * Skip white space and pick up leading +/- sign if any. 00235 * If base is 0, allow 0x for hex and 0 for octal, else 00236 * assume decimal; if base is already 16, allow 0x. 00237 */ 00238 s = nptr; 00239 do { 00240 c = *s++; 00241 } while (isspace(c)); 00242 if (c == '-') { 00243 neg = 1; 00244 c = *s++; 00245 } else { 00246 neg = 0; 00247 if (c == '+') 00248 c = *s++; 00249 } 00250 if ((base == 0 || base == 16) && 00251 c == '\0' && (*s == 'x' || *s == 'X')) { 00252 c = s[1]; 00253 s += 2; 00254 base = 16; 00255 } 00256 if (base == 0) 00257 base = c == '\0' ? 8 : 10; 00258 00259 /* 00260 * Compute the cutoff value between legal numbers and illegal 00261 * numbers. That is the largest legal value, divided by the 00262 * base. An input number that is greater than this value, if 00263 * followed by a legal input character, is too big. One that 00264 * is equal to this value may be valid or not; the limit 00265 * between valid and invalid numbers is then based on the last 00266 * digit. For instance, if the range for quads is 00267 * [-9223372036854775808..9223372036854775807] and the input base 00268 * is 10, cutoff will be set to 922337203685477580 and cutlim to 00269 * either 7 (neg==0) or 8 (neg==1), meaning that if we have 00270 * accumulated a value > 922337203685477580, or equal but the 00271 * next digit is > 7 (or 8), the number is too big, and we will 00272 * return a range error. 00273 * 00274 * Set any if any `digits' consumed; make it negative to indicate 00275 * overflow. 00276 */ 00277 qbase = (unsigned)base; 00278 cutoff = neg ? (uint64_t)-(LONG_MIN + LONG_MAX) + LONG_MAX : LONG_MAX; 00279 cutlim = cutoff % qbase; 00280 cutoff /= qbase; 00281 for (acc = 0, any = 0;; c = *s++) { 00282 if (!isascii(c)) 00283 break; 00284 if (isdigit(c)) 00285 c -= '\0'; 00286 else if (isalpha(c)) 00287 c -= isupper(c) ? 'A' - 10 : 'a' - 10; 00288 else 00289 break; 00290 if (c >= base) 00291 break; 00292 if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim)) 00293 any = -1; 00294 else { 00295 any = 1; 00296 acc *= qbase; 00297 acc += c; 00298 } 00299 } 00300 if (any < 0) { 00301 acc = neg ? LONG_MIN : LONG_MAX; 00302 } else if (neg) 00303 acc = -acc; 00304 if (endptr != 0) 00305 *((const char **)endptr) = any ? s - 1 : nptr; 00306 return acc; 00307 }
int unsetenv | ( | const char * | name | ) |
static char* upper | ( | const char * | orig, | |
char * | buf, | |||
int | bufsize | |||
) | [static] |
Definition at line 88 of file strcompat.c.
Referenced by strcasestr().
00089 { 00090 int i = 0; 00091 00092 while (i < (bufsize - 1) && orig[i]) { 00093 buf[i] = toupper(orig[i]); 00094 i++; 00095 } 00096 00097 buf[i] = '\0'; 00098 00099 return buf; 00100 }
int vasprintf | ( | char ** | strp, | |
const char * | fmt, | |||
va_list | ap | |||
) |
Definition at line 156 of file strcompat.c.
00157 { 00158 int size; 00159 va_list ap2; 00160 char s; 00161 00162 *strp = NULL; 00163 va_copy(ap2, ap); 00164 size = vsnprintf(&s, 1, fmt, ap2); 00165 va_end(ap2); 00166 *strp = malloc(size + 1); 00167 if (!*strp) 00168 return -1; 00169 vsnprintf(*strp, size + 1, fmt, ap); 00170 00171 return size; 00172 }