diff options
Diffstat (limited to 'man3/getaddrinfo_a.3')
| -rw-r--r-- | man3/getaddrinfo_a.3 | 72 |
1 files changed, 36 insertions, 36 deletions
diff --git a/man3/getaddrinfo_a.3 b/man3/getaddrinfo_a.3 index 525720812..cff85e5e2 100644 --- a/man3/getaddrinfo_a.3 +++ b/man3/getaddrinfo_a.3 @@ -341,7 +341,7 @@ Here is the program source code #include <stdio.h> #include <stdlib.h> #include <string.h> - +\& int main(int argc, char *argv[]) { @@ -349,12 +349,12 @@ main(int argc, char *argv[]) struct gaicb *reqs[argc \- 1]; char host[NI_MAXHOST]; struct addrinfo *res; - +\& if (argc < 2) { fprintf(stderr, "Usage: %s HOST...\en", argv[0]); exit(EXIT_FAILURE); } - +\& for (size_t i = 0; i < argc \- 1; i++) { reqs[i] = malloc(sizeof(*reqs[0])); if (reqs[i] == NULL) { @@ -364,20 +364,20 @@ main(int argc, char *argv[]) memset(reqs[i], 0, sizeof(*reqs[0])); reqs[i]\->ar_name = argv[i + 1]; } - +\& ret = getaddrinfo_a(GAI_WAIT, reqs, argc \- 1, NULL); if (ret != 0) { fprintf(stderr, "getaddrinfo_a() failed: %s\en", gai_strerror(ret)); exit(EXIT_FAILURE); } - +\& for (size_t i = 0; i < argc \- 1; i++) { printf("%s: ", reqs[i]\->ar_name); ret = gai_error(reqs[i]); if (ret == 0) { res = reqs[i]\->ar_result; - +\& ret = getnameinfo(res\->ai_addr, res\->ai_addrlen, host, sizeof(host), NULL, 0, NI_NUMERICHOST); @@ -387,7 +387,7 @@ main(int argc, char *argv[]) exit(EXIT_FAILURE); } puts(host); - +\& } else { puts(gai_strerror(ret)); } @@ -432,25 +432,25 @@ The program source is as follows: #include <stdio.h> #include <stdlib.h> #include <string.h> - +\& static struct gaicb **reqs = NULL; static size_t nreqs = 0; - +\& static char * getcmd(void) { static char buf[256]; - +\& fputs("> ", stdout); fflush(stdout); if (fgets(buf, sizeof(buf), stdin) == NULL) return NULL; - +\& if (buf[strlen(buf) \- 1] == \[aq]\en\[aq]) buf[strlen(buf) \- 1] = 0; - +\& return buf; } - +\& /* Add requests for specified hostnames. */ static void add_requests(void) @@ -458,17 +458,17 @@ add_requests(void) size_t nreqs_base = nreqs; char *host; int ret; - +\& while ((host = strtok(NULL, " "))) { nreqs++; reqs = realloc(reqs, sizeof(reqs[0]) * nreqs); - +\& reqs[nreqs \- 1] = calloc(1, sizeof(*reqs[0])); reqs[nreqs \- 1]\->ar_name = strdup(host); } - +\& /* Queue nreqs_base..nreqs requests. */ - +\& ret = getaddrinfo_a(GAI_NOWAIT, &reqs[nreqs_base], nreqs \- nreqs_base, NULL); if (ret) { @@ -477,7 +477,7 @@ add_requests(void) exit(EXIT_FAILURE); } } - +\& /* Wait until at least one of specified requests completes. */ static void wait_requests(void) @@ -487,37 +487,37 @@ wait_requests(void) size_t n; struct gaicb const **wait_reqs = calloc(nreqs, sizeof(*wait_reqs)); /* NULL elements are ignored by gai_suspend(). */ - +\& while ((id = strtok(NULL, " ")) != NULL) { n = atoi(id); - +\& if (n >= nreqs) { printf("Bad request number: %s\en", id); return; } - +\& wait_reqs[n] = reqs[n]; } - +\& ret = gai_suspend(wait_reqs, nreqs, NULL); if (ret) { printf("gai_suspend(): %s\en", gai_strerror(ret)); return; } - +\& for (size_t i = 0; i < nreqs; i++) { if (wait_reqs[i] == NULL) continue; - +\& ret = gai_error(reqs[i]); if (ret == EAI_INPROGRESS) continue; - +\& printf("[%02zu] %s: %s\en", i, reqs[i]\->ar_name, ret == 0 ? "Finished" : gai_strerror(ret)); } } - +\& /* Cancel specified requests. */ static void cancel_requests(void) @@ -525,21 +525,21 @@ cancel_requests(void) char *id; int ret; size_t n; - +\& while ((id = strtok(NULL, " ")) != NULL) { n = atoi(id); - +\& if (n >= nreqs) { printf("Bad request number: %s\en", id); return; } - +\& ret = gai_cancel(reqs[n]); printf("[%s] %s: %s\en", id, reqs[atoi(id)]\->ar_name, gai_strerror(ret)); } } - +\& /* List all requests. */ static void list_requests(void) @@ -547,14 +547,14 @@ list_requests(void) int ret; char host[NI_MAXHOST]; struct addrinfo *res; - +\& for (size_t i = 0; i < nreqs; i++) { printf("[%02zu] %s: ", i, reqs[i]\->ar_name); ret = gai_error(reqs[i]); - +\& if (!ret) { res = reqs[i]\->ar_result; - +\& ret = getnameinfo(res\->ai_addr, res\->ai_addrlen, host, sizeof(host), NULL, 0, NI_NUMERICHOST); @@ -569,16 +569,16 @@ list_requests(void) } } } - +\& int main(void) { char *cmdline; char *cmd; - +\& while ((cmdline = getcmd()) != NULL) { cmd = strtok(cmdline, " "); - +\& if (cmd == NULL) { list_requests(); } else { |