#include "asterisk.h"
#include <sys/types.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
Include dependency graph for strcompat.c:
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 333 of file strcompat.c.
Referenced by increase_call_count().
00334 { 00335 int i; 00336 00337 for (i = 0; i < nelem; i++) { 00338 list[i] = 0.1; 00339 } 00340 return -1; 00341 }
int setenv | ( | const char * | name, | |
const char * | value, | |||
int | overwrite | |||
) |
Definition at line 62 of file strcompat.c.
Referenced by env_write(), launch_script(), load_odbc_config(), main(), read_environment(), reload(), and unsetenv().
00063 { 00064 unsigned char *buf; 00065 int buflen; 00066 00067 buflen = strlen(name) + strlen(value) + 2; 00068 buf = alloca(buflen); 00069 00070 if (!overwrite && getenv(name)) 00071 return 0; 00072 00073 snprintf(buf, buflen, "%s=%s", name, value); 00074 00075 return putenv(buf); 00076 }
char* strcasestr | ( | const char * | haystack, | |
const char * | needle | |||
) |
Definition at line 101 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(), reqprep(), and respprep().
00102 { 00103 char *u1, *u2; 00104 int u1len = strlen(haystack) + 1, u2len = strlen(needle) + 1; 00105 00106 u1 = alloca(u1len); 00107 u2 = alloca(u2len); 00108 if (u1 && u2) { 00109 char *offset; 00110 if (u2len > u1len) { 00111 /* Needle bigger than haystack */ 00112 return NULL; 00113 } 00114 offset = strstr(upper(haystack, u1, u1len), upper(needle, u2, u2len)); 00115 if (offset) { 00116 /* Return the offset into the original string */ 00117 return ((char *)((unsigned long)haystack + (unsigned long)(offset - u1))); 00118 } else { 00119 return NULL; 00120 } 00121 } else { 00122 return NULL; 00123 } 00124 }
size_t strlcat | ( | char * | dst, | |
const char * | src, | |||
size_t | siz | |||
) |
Definition at line 383 of file strcompat.c.
References s.
00384 { 00385 register char *d = dst; 00386 register const char *s = src; 00387 register size_t n = siz; 00388 size_t dlen; 00389 00390 /* Find the end of dst and adjust bytes left but don't go past end */ 00391 while (n-- != 0 && *d != '\0') 00392 d++; 00393 dlen = d - dst; 00394 n = siz - dlen; 00395 00396 if (n == 0) 00397 return dlen + strlen(s); 00398 00399 while (*s != '\0') { 00400 if (n != 1) { 00401 *d++ = *s; 00402 n--; 00403 } 00404 s++; 00405 } 00406 *d = '\0'; 00407 00408 return dlen + (s - src); /* count does not include NUL */ 00409 }
size_t strlcpy | ( | char * | dst, | |
const char * | src, | |||
size_t | siz | |||
) |
Definition at line 447 of file strcompat.c.
References s.
00448 { 00449 register char *d = dst; 00450 register const char *s = src; 00451 register size_t n = siz; 00452 00453 /* Copy as many bytes as will fit */ 00454 if (n != 0 && --n != 0) { 00455 do { 00456 if ((*d++ = *s++) == 0) 00457 break; 00458 } while (--n != 0); 00459 } 00460 00461 /* Not enough room in dst, add NUL and traverse rest of src */ 00462 if (n == 0) { 00463 if (siz != 0) 00464 *d = '\0'; /* NUL-terminate dst */ 00465 while (*s++) 00466 ; 00467 } 00468 00469 return s - src - 1; /* count does not include NUL */ 00470 }
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 35 of file strcompat.c.
Referenced by __ast_play_and_record(), __login_exec(), _build_port_config(), _macro_exec(), _parse(), acf_if(), acf_vmcount_exec(), add_realm_authentication(), adsi_load(), adsi_message(), agi_exec_full(), aji_send_exec(), aji_status_exec(), aMYSQL_clear(), aMYSQL_connect(), aMYSQL_disconnect(), aMYSQL_fetch(), aMYSQL_query(), append_history_va(), append_mailbox(), apply_options(), apply_outgoing(), ast_app_getdata(), 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_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(), console_dial(), console_dial_deprecated(), cut_internal(), decrypt_frame(), del_exec(), deltree_exec(), dial_trunk(), do_directory(), exec_exec(), extenspy_exec(), extract_uri(), exts_compare(), find_gtalk(), fix_complete_args(), forward_message(), function_fieldqty(), function_ilink(), function_remote(), function_sippeer(), get_destination(), get_rdnis(), getSearchPath(), gettag(), gosub_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(), nv_background_detect_exec(), nv_detectfax_exec(), orig_app(), orig_exten(), page_exec(), parkandannounce_exec(), parse_dial_string(), parse_moved_contact(), 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_text_line(), process_zap(), queue_set_param(), random_exec(), read_config_maps(), readfile_exec(), realtime_multi_mysql(), realtime_multi_odbc(), realtime_multi_pgsql(), realtime_mysql(), 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(), safe_scan_int(), send_tone_telemetry(), sendurl_exec(), set(), set_address_from_contact(), set_config_flags(), sip_do_debug_ip(), sip_sipredirect(), 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(), split_ext(), ss_thread(), stat_read(), testclient_exec(), transmit_state_notify(), tryexec_exec(), verbose_exec(), vmauthenticate(), zapateller_exec(), and zt_request().
00036 { 00037 char *token; 00038 00039 if (!*str) { 00040 /* No more tokens */ 00041 return NULL; 00042 } 00043 00044 token = *str; 00045 while (**str != '\0') { 00046 if (strchr(delims, **str)) { 00047 **str = '\0'; 00048 (*str)++; 00049 return token; 00050 } 00051 (*str)++; 00052 } 00053 00054 /* There is no other token */ 00055 *str = NULL; 00056 00057 return token; 00058 }
uint64_t strtoq | ( | const char * | nptr, | |
char ** | endptr, | |||
int | base | |||
) |
Convert a string to a quad integer.
Definition at line 224 of file strcompat.c.
References LONG_MAX, LONG_MIN, and s.
00225 { 00226 const char *s; 00227 uint64_t acc; 00228 unsigned char c; 00229 uint64_t qbase, cutoff; 00230 int neg, any, cutlim; 00231 00232 /* 00233 * Skip white space and pick up leading +/- sign if any. 00234 * If base is 0, allow 0x for hex and 0 for octal, else 00235 * assume decimal; if base is already 16, allow 0x. 00236 */ 00237 s = nptr; 00238 do { 00239 c = *s++; 00240 } while (isspace(c)); 00241 if (c == '-') { 00242 neg = 1; 00243 c = *s++; 00244 } else { 00245 neg = 0; 00246 if (c == '+') 00247 c = *s++; 00248 } 00249 if ((base == 0 || base == 16) && 00250 c == '\0' && (*s == 'x' || *s == 'X')) { 00251 c = s[1]; 00252 s += 2; 00253 base = 16; 00254 } 00255 if (base == 0) 00256 base = c == '\0' ? 8 : 10; 00257 00258 /* 00259 * Compute the cutoff value between legal numbers and illegal 00260 * numbers. That is the largest legal value, divided by the 00261 * base. An input number that is greater than this value, if 00262 * followed by a legal input character, is too big. One that 00263 * is equal to this value may be valid or not; the limit 00264 * between valid and invalid numbers is then based on the last 00265 * digit. For instance, if the range for quads is 00266 * [-9223372036854775808..9223372036854775807] and the input base 00267 * is 10, cutoff will be set to 922337203685477580 and cutlim to 00268 * either 7 (neg==0) or 8 (neg==1), meaning that if we have 00269 * accumulated a value > 922337203685477580, or equal but the 00270 * next digit is > 7 (or 8), the number is too big, and we will 00271 * return a range error. 00272 * 00273 * Set any if any `digits' consumed; make it negative to indicate 00274 * overflow. 00275 */ 00276 qbase = (unsigned)base; 00277 cutoff = neg ? (uint64_t)-(LONG_MIN + LONG_MAX) + LONG_MAX : LONG_MAX; 00278 cutlim = cutoff % qbase; 00279 cutoff /= qbase; 00280 for (acc = 0, any = 0;; c = *s++) { 00281 if (!isascii(c)) 00282 break; 00283 if (isdigit(c)) 00284 c -= '\0'; 00285 else if (isalpha(c)) 00286 c -= isupper(c) ? 'A' - 10 : 'a' - 10; 00287 else 00288 break; 00289 if (c >= base) 00290 break; 00291 if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim)) 00292 any = -1; 00293 else { 00294 any = 1; 00295 acc *= qbase; 00296 acc += c; 00297 } 00298 } 00299 if (any < 0) { 00300 acc = neg ? LONG_MIN : LONG_MAX; 00301 } else if (neg) 00302 acc = -acc; 00303 if (endptr != 0) 00304 *((const char **)endptr) = any ? s - 1 : nptr; 00305 return acc; 00306 }
int unsetenv | ( | const char * | name | ) |
static char* upper | ( | const char * | orig, | |
char * | buf, | |||
int | bufsize | |||
) | [static] |
Definition at line 87 of file strcompat.c.
Referenced by strcasestr().
00088 { 00089 int i = 0; 00090 00091 while (i < (bufsize - 1) && orig[i]) { 00092 buf[i] = toupper(orig[i]); 00093 i++; 00094 } 00095 00096 buf[i] = '\0'; 00097 00098 return buf; 00099 }
int vasprintf | ( | char ** | strp, | |
const char * | fmt, | |||
va_list | ap | |||
) |
Definition at line 155 of file strcompat.c.
00156 { 00157 int size; 00158 va_list ap2; 00159 char s; 00160 00161 *strp = NULL; 00162 va_copy(ap2, ap); 00163 size = vsnprintf(&s, 1, fmt, ap2); 00164 va_end(ap2); 00165 *strp = malloc(size + 1); 00166 if (!*strp) 00167 return -1; 00168 vsnprintf(*strp, size + 1, fmt, ap); 00169 00170 return size; 00171 }