X-Git-Url: https://git.octo.it/?p=collectd.git;a=blobdiff_plain;f=src%2Fvserver.c;h=3c6d58cd867011355939005cbae0b9affc3cc274;hp=c5a7fb33ac40187018f4a12d490292131f308fb4;hb=ec51ddee94fa2ba1e01fe0e336ccc9c190a198ff;hpb=42b8d7550d029ed9aef6f25e3eb2009c1f18b144 diff --git a/src/vserver.c b/src/vserver.c index c5a7fb33..3c6d58cd 100644 --- a/src/vserver.c +++ b/src/vserver.c @@ -42,14 +42,14 @@ #error "No applicable input method." #endif -static int pagesize = 0; +static int pagesize; static int vserver_init(void) { /* XXX Should we check for getpagesize () in configure? * What's the right thing to do, if there is no getpagesize ()? */ pagesize = getpagesize(); - return (0); + return 0; } /* static void vserver_init(void) */ static void traffic_submit(const char *plugin_instance, @@ -114,8 +114,8 @@ static derive_t vserver_get_sock_bytes(const char *s) { status = parse_value(s, &v, DS_TYPE_DERIVE); if (status != 0) - return (-1); - return (v.derive); + return -1; + return v.derive; } static int vserver_read(void) { @@ -124,10 +124,8 @@ static int vserver_read(void) { errno = 0; proc = opendir(PROCDIR); if (proc == NULL) { - char errbuf[1024]; - ERROR("vserver plugin: fopen (%s): %s", PROCDIR, - sstrerror(errno, errbuf, sizeof(errbuf))); - return (-1); + ERROR("vserver plugin: fopen (%s): %s", PROCDIR, STRERRNO); + return -1; } while (42) { @@ -146,29 +144,25 @@ static int vserver_read(void) { errno = 0; dent = readdir(proc); if (dent == NULL) { - char errbuf[4096]; - if (errno == 0) /* end of directory */ break; ERROR("vserver plugin: failed to read directory %s: %s", PROCDIR, - sstrerror(errno, errbuf, sizeof(errbuf))); + STRERRNO); closedir(proc); - return (-1); + return -1; } if (dent->d_name[0] == '.') continue; - len = ssnprintf(file, sizeof(file), PROCDIR "/%s", dent->d_name); + len = snprintf(file, sizeof(file), PROCDIR "/%s", dent->d_name); if ((len < 0) || (len >= BUFSIZE)) continue; status = stat(file, &statbuf); if (status != 0) { - char errbuf[4096]; - WARNING("vserver plugin: stat (%s) failed: %s", file, - sstrerror(errno, errbuf, sizeof(errbuf))); + WARNING("vserver plugin: stat (%s) failed: %s", file, STRERRNO); continue; } @@ -176,14 +170,12 @@ static int vserver_read(void) { continue; /* socket message accounting */ - len = ssnprintf(file, sizeof(file), PROCDIR "/%s/cacct", dent->d_name); + len = snprintf(file, sizeof(file), PROCDIR "/%s/cacct", dent->d_name); if ((len < 0) || ((size_t)len >= sizeof(file))) continue; if (NULL == (fh = fopen(file, "r"))) { - char errbuf[1024]; - ERROR("Cannot open '%s': %s", file, - sstrerror(errno, errbuf, sizeof(errbuf))); + ERROR("Cannot open '%s': %s", file, STRERRNO); } while ((fh != NULL) && (NULL != fgets(buffer, BUFSIZE, fh))) { @@ -220,14 +212,12 @@ static int vserver_read(void) { } /* thread information and load */ - len = ssnprintf(file, sizeof(file), PROCDIR "/%s/cvirt", dent->d_name); + len = snprintf(file, sizeof(file), PROCDIR "/%s/cvirt", dent->d_name); if ((len < 0) || ((size_t)len >= sizeof(file))) continue; if (NULL == (fh = fopen(file, "r"))) { - char errbuf[1024]; - ERROR("Cannot open '%s': %s", file, - sstrerror(errno, errbuf, sizeof(errbuf))); + ERROR("Cannot open '%s': %s", file, STRERRNO); } while ((fh != NULL) && (NULL != fgets(buffer, BUFSIZE, fh))) { @@ -266,14 +256,12 @@ static int vserver_read(void) { } /* processes and memory usage */ - len = ssnprintf(file, sizeof(file), PROCDIR "/%s/limit", dent->d_name); + len = snprintf(file, sizeof(file), PROCDIR "/%s/limit", dent->d_name); if ((len < 0) || ((size_t)len >= sizeof(file))) continue; if (NULL == (fh = fopen(file, "r"))) { - char errbuf[1024]; - ERROR("Cannot open '%s': %s", file, - sstrerror(errno, errbuf, sizeof(errbuf))); + ERROR("Cannot open '%s': %s", file, STRERRNO); } while ((fh != NULL) && (NULL != fgets(buffer, BUFSIZE, fh))) { @@ -314,12 +302,10 @@ static int vserver_read(void) { closedir(proc); - return (0); + return 0; } /* int vserver_read */ void module_register(void) { plugin_register_init("vserver", vserver_init); plugin_register_read("vserver", vserver_read); } /* void module_register(void) */ - -/* vim: set ts=4 sw=4 noexpandtab : */