diff options
Diffstat (limited to 'common/osdep')
| -rw-r--r-- | common/osdep/Makefile | 15 | ||||
| -rw-r--r-- | common/osdep/cpuload.c | 50 | ||||
| -rw-r--r-- | common/osdep/proctitle.c | 71 | ||||
| -rw-r--r-- | common/osdep/strlcat.c | 78 | ||||
| -rw-r--r-- | common/osdep/strlcpy.c | 73 |
5 files changed, 287 insertions, 0 deletions
diff --git a/common/osdep/Makefile b/common/osdep/Makefile new file mode 100644 index 00000000..86783bf5 --- /dev/null +++ b/common/osdep/Makefile @@ -0,0 +1,15 @@ +MKLINT:=no +MKPROFILE:=no +MKPIC:=no + +SRCROOT= ../.. +.include "$(SRCROOT)/pttbbs.mk" + +SRCS:= cpuload.c proctitle.c strlcat.c strlcpy.c +LIB:= osdep + +all: .depend + +install: + +.include <bsd.lib.mk> diff --git a/common/osdep/cpuload.c b/common/osdep/cpuload.c new file mode 100644 index 00000000..be71fa72 --- /dev/null +++ b/common/osdep/cpuload.c @@ -0,0 +1,50 @@ +/* $Id$ */ +#include <stdio.h> +#include <string.h> +#include "osdep.h" + +#if defined( __FreeBSD__) || defined(_BSD_SOURCE) +#include <stdlib.h> +int +cpuload(char *str) +{ + double l[3] = {-1, -1, -1}; + if (getloadavg(l, 3) != 3) + l[0] = -1; + + if (str) { + if (l[0] != -1) + sprintf(str, " %.2f %.2f %.2f", l[0], l[1], l[2]); + else + strcpy(str, " (unknown) "); + } + return (int)l[0]; +} +#elif defined(__linux__) +int +cpuload(char *str) +{ + double l[3] = {-1, -1, -1}; + FILE *fp; + + if ((fp = fopen("/proc/loadavg", "r"))) { + if (fscanf(fp, "%lf %lf %lf", &l[0], &l[1], &l[2]) != 3) + l[0] = -1; + fclose(fp); + } + if (str) { + if (l[0] != -1) + sprintf(str, " %.2f %.2f %.2f", l[0], l[1], l[2]); + else + strcpy(str, " (unknown) "); + } + return (int)l[0]; +} +#else +int +cpuload(char *str) +{ + strcpy(str, " (unknown) "); + return -1; +} +#endif diff --git a/common/osdep/proctitle.c b/common/osdep/proctitle.c new file mode 100644 index 00000000..c6891e67 --- /dev/null +++ b/common/osdep/proctitle.c @@ -0,0 +1,71 @@ +/* $Id$ */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdarg.h> +#include "osdep.h" + +#ifdef NEED_SETPROCTITLE + +static char **Argv = NULL; /* pointer to argument vector */ +static int argv_size; /* end of argv */ + +extern char **environ; + +void +initsetproctitle(int argc, char **argv, char **envp) +{ + int i, len=0, nenv=0; + + /* + * Move the environment so setproctitle can use the space at the top of + * memory. + */ + for (i = 0; envp[i]; i++) + len += strlen(envp[i])+1; + + nenv = i + 1; + len += sizeof(char*)*nenv; + environ = malloc(len); + len = 0; + for (i = 0; envp[i]; i++) { + environ[i] = (char*)environ + nenv * sizeof(char*) + len; + strcpy(environ[i], envp[i]); + len += strlen(envp[i])+1; + } + environ[i] = NULL; + + /* Save start and extent of argv for setproctitle. */ + Argv = argv; + if (i > 0) + argv_size = envp[i - 1] + strlen(envp[i - 1]) - Argv[0]; + else + argv_size = argv[argc - 1] + strlen(argv[argc - 1]) - Argv[0]; +} + +static void +do_setproctitle(const char *cmdline) +{ + int len; + + len = strlen(cmdline) + 1; // +1 for '\0' + if (len > argv_size - 2) // 2 ?? + len = argv_size - 2; + memset(Argv[0], 0, argv_size); + strlcpy(Argv[0], cmdline, len); + Argv[1] = NULL; +} + +void +setproctitle(const char *format,...) +{ + char buf[256]; + va_list args; + va_start(args, format); + vsnprintf(buf, sizeof(buf), format, args); + do_setproctitle(buf); + va_end(args); +} + +#endif + diff --git a/common/osdep/strlcat.c b/common/osdep/strlcat.c new file mode 100644 index 00000000..c6483f92 --- /dev/null +++ b/common/osdep/strlcat.c @@ -0,0 +1,78 @@ +/* $Id$ */ +#include "osdep.h" + +#ifdef NEED_STRLCAT + +#include <sys/types.h> +#include <string.h> + +/* size_t + * strlcat(char *dst, const char *src, size_t size); + */ + +/* + * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL + * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * Appends src to string dst of size siz (unlike strncat, siz is the + * full size of dst, not space left). At most siz-1 characters + * will be copied. Always NUL terminates (unless siz <= strlen(dst)). + * Returns strlen(src) + MIN(siz, strlen(initial dst)). + * If retval >= siz, truncation occurred. + */ +size_t +strlcat(dst, src, siz) + char *dst; + const char *src; + size_t siz; +{ + char *d = dst; + const char *s = src; + size_t n = siz; + size_t dlen; + + /* Find the end of dst and adjust bytes left but don't go past end */ + while (n-- != 0 && *d != '\0') + d++; + dlen = d - dst; + n = siz - dlen; + + if (n == 0) + return(dlen + strlen(s)); + while (*s != '\0') { + if (n != 1) { + *d++ = *s; + n--; + } + s++; + } + *d = '\0'; + + return(dlen + (s - src)); /* count does not include NUL */ +} + +#endif diff --git a/common/osdep/strlcpy.c b/common/osdep/strlcpy.c new file mode 100644 index 00000000..c741ae8e --- /dev/null +++ b/common/osdep/strlcpy.c @@ -0,0 +1,73 @@ +/* $Id$ */ +#include "osdep.h" + +#ifdef NEED_STRLCPY + +#include <sys/types.h> +#include <string.h> + +/* size_t + * strlcpy(char *dst, const char *src, size_t size); + */ + +/* + * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL + * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * Copy src to string dst of size siz. At most siz-1 characters + * will be copied. Always NUL terminates (unless siz == 0). + * Returns strlen(src); if retval >= siz, truncation occurred. + */ +size_t strlcpy(dst, src, siz) + char *dst; + const char *src; + size_t siz; +{ + char *d = dst; + const char *s = src; + size_t n = siz; + + /* Copy as many bytes as will fit */ + if (n != 0 && --n != 0) { + do { + if ((*d++ = *s++) == 0) + break; + } while (--n != 0); + } + + /* Not enough room in dst, add NUL and traverse rest of src */ + if (n == 0) { + if (siz != 0) + *d = '\0'; /* NUL-terminate dst */ + while (*s++) + ; + } + + return(s - src - 1); /* count does not include NUL */ +} + +#endif |