diff options
Diffstat (limited to 'mbbsd/osdep.c')
| -rw-r--r-- | mbbsd/osdep.c | 385 |
1 files changed, 57 insertions, 328 deletions
diff --git a/mbbsd/osdep.c b/mbbsd/osdep.c index f4a9bd85..a3fcb35c 100644 --- a/mbbsd/osdep.c +++ b/mbbsd/osdep.c @@ -176,240 +176,6 @@ size_t strlcpy(dst, src, siz) #endif -#ifdef NEED_STRCASESTR - -char * -strcasestr(const char *big, const char *little) -{ - char *ans = (char *)big; - int len = strlen(little); - char *endptr = (char *)big + strlen(big) - len; - - while (ans <= endptr) - if (!strncasecmp(ans, little, len)) - return ans; - else - ans++; - return 0; -} - -#endif - -#ifdef NEED_SCANDIR - -/* - * Scan the directory dirname calling select to make a list of selected - * directory entries then sort using qsort and compare routine dcomp. - * Returns the number of entries and a pointer to a list of pointers to - * struct dirent (through namelist). Returns -1 if there were any errors. - */ - -#include <sys/types.h> -#include <sys/stat.h> -#include <dirent.h> -#include <stdlib.h> -#include <string.h> - -/* - * The DIRSIZ macro is the minimum record length which will hold the directory - * entry. This requires the amount of space in struct dirent without the - * d_name field, plus enough space for the name and a terminating nul byte - * (dp->d_namlen + 1), rounded up to a 4 byte boundary. - */ -#undef DIRSIZ -#define DIRSIZ(dp) \ - ((sizeof(struct dirent) - sizeof(dp)->d_name) + \ - ((strlen((dp)->d_name) + 1 + 3) &~ 3)) -#if 0 -((sizeof(struct dirent) - sizeof(dp)->d_name) + \ - (((dp)->d_namlen + 1 + 3) &~ 3)) -#endif - -int -scandir(dirname, namelist, select, dcomp) - const char *dirname; - struct dirent ***namelist; - int (*select) (struct dirent *); - int (*dcomp) (const void *, const void *); -{ - register struct dirent *d, *p, **names; - register size_t nitems; - struct stat stb; - long arraysz; - DIR *dirp; - - if ((dirp = opendir(dirname)) == NULL) - return(-1); - if (fstat(dirp->dd_fd, &stb) < 0) - return(-1); - - /* - * estimate the array size by taking the size of thedirectory file - * and dividing it by a multiple of the minimum sizeentry. - */ - arraysz = (stb.st_size / 24); - names = (struct dirent **)malloc(arraysz * sizeof(struct dirent *)); - if (names == NULL) - return(-1); - - nitems = 0; - while ((d = readdir(dirp)) != NULL) { - if (select != NULL && !(*select)(d)) - continue; /* just selected names */ - /* - * Make a minimum size copy of the data - */ - p = (struct dirent *)malloc(DIRSIZ(d)); - if (p == NULL) - return(-1); - p->d_ino = d->d_ino; - p->d_off = d->d_off; - p->d_reclen = d->d_reclen; - memcpy(p->d_name, d->d_name, strlen(d->d_name) +1); -#if 0 - p->d_fileno = d->d_fileno; - p->d_type = d->d_type; - p->d_reclen = d->d_reclen; - p->d_namlen = d->d_namlen; - bcopy(d->d_name, p->d_name, p->d_namlen + 1); -#endif - /* - * Check to make sure the array has space left and - * realloc the maximum size. - */ - if (++nitems >= arraysz) { - if (fstat(dirp->dd_fd, &stb) < 0) - return(-1); /* just might have grown */ - arraysz = stb.st_size / 12; - names = (struct dirent **)realloc((char*)names, - arraysz * sizeof(struct dirent*)); - if (names == NULL) - return(-1); - } - names[nitems-1] = p; - } - closedir(dirp); - if (nitems && dcomp != NULL) - qsort(names, nitems, sizeof(struct dirent *),dcomp); - *namelist = names; - return(nitems); -} - -/* - * Alphabetic order comparison routine for those who want it. - */ -int -alphasort(d1, d2) - const void *d1; - const void *d2; -{ - return(strcmp((*(struct dirent **)d1)->d_name, - (*(struct dirent **)d2)->d_name)); -} - -#endif - -#ifdef NEED_FLOCK - -int -flock (int fd, int f) -{ - if( f == LOCK_EX ) - return lockf(fd, F_LOCK, 0L); - - if( f == LOCK_UN ) - return lockf(fd, F_ULOCK, 0L); - - return -1; -} - -#endif - -#ifdef NEED_UNSETENV - -void -unsetenv(name) - char *name; -{ - extern char **environ; - register char **pp; - int len = strlen(name); - - for (pp = environ; *pp != NULL; pp++) - { - if (strncmp(name, *pp, len) == 0 && - ((*pp)[len] == '=' || (*pp)[len] == '\0')) - break; - } - - for (; *pp != NULL; pp++) - *pp = pp[1]; -} - -#endif - -#ifdef NEED_INET_PTON - -#include <arpa/nameser.h> - -/* - * Copyright (c) 1996 by Internet Software Consortium. - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS - * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE - * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL - * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR - * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS - * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS - * SOFTWARE. - */ - -int -inet_pton(int af, const char *src, void *dst) -{ - static const char digits[] = "0123456789"; - int saw_digit, octets, ch; - u_char tmp[INADDRSZ], *tp; - - saw_digit = 0; - octets = 0; - *(tp = tmp) = 0; - while ((ch = *src++) != '\0') { - const char *pch; - - if ((pch = strchr(digits, ch)) != NULL) { - u_int new = *tp * 10 + (pch - digits); - - if (new > 255) - return (0); - *tp = new; - if (! saw_digit) { - if (++octets > 4) - return (0); - saw_digit = 1; - } - } else if (ch == '.' && saw_digit) { - if (octets == 4) - return (0); - *++tp = 0; - saw_digit = 0; - } else - return (0); - } - if (octets < 4) - return (0); - - memcpy(dst, tmp, INADDRSZ); - - return (1); -} -#endif - #ifdef NEED_BSD_SIGNAL void (*bsd_signal(int sig, void (*func)(int)))(int) @@ -428,92 +194,75 @@ void (*bsd_signal(int sig, void (*func)(int)))(int) #endif +#ifdef HAVE_SETPROCTITLE + +void +initsetproctitle(int argc, char **argv, char **envp) +{ +} + +#else -#ifdef Solaris -#include <sys/stat.h> -#include <sys/swap.h> +static char **Argv = NULL; /* pointer to argument vector */ +static int argv_size; /* end of argv */ +extern char **environ; -double swapused(int *total, int *used) +void +initsetproctitle(int argc, char **argv, char **envp) { - double percent = -1; - register int cnt, i; - register int free; - struct swaptable *swt; - struct swapent *ste; - static char path[256]; // does it really need 'static' ? - cnt = swapctl(SC_GETNSWP, 0); - swt = (struct swaptable *)malloc(sizeof(int) + - cnt * sizeof(struct swapent)); - if (swt == NULL) - { - return 0; - } - swt->swt_n = cnt; - - /* fill in ste_path pointers: we don't care about the paths, so we point - them all to the same buffer */ - ste = &(swt->swt_ent[0]); - i = cnt; - while (--i >= 0) - { - ste++->ste_path = path; - } - /* grab all swap info */ - swapctl(SC_LIST, swt); - - /* walk thru the structs and sum up the fields */ - *total = free = 0; - ste = &(swt->swt_ent[0]); - i = cnt; - while (--i >= 0) - { - /* dont count slots being deleted */ - if (!(ste->ste_flags & ST_INDEL) && - !(ste->ste_flags & ST_DOINGDEL)) - { - *total += ste->ste_pages; - free += ste->ste_free; - } - ste++; + register int i; + int 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; - *used = *total - free; - if( total != 0) - percent = (double)*used / (double)*total; + /* 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 - percent = 0; - - return percent; + argv_size = argv[argc - 1] + strlen(argv[argc - 1]) - Argv[0]; } -#endif - -#if __FreeBSD__ - -#include <kvm.h> +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; +} -double -swapused(int *total, int *used) +void +setproctitle(const char *format,...) { - double percent = -1; - kvm_t *kd; - struct kvm_swap swapinfo; - int pagesize; - - kd = kvm_open(NULL, NULL, NULL, O_RDONLY, NULL); - if (kd) { - if (kvm_getswapinfo(kd, &swapinfo, 1, 0) == 0) { - pagesize = getpagesize(); - *total = swapinfo.ksw_total * pagesize; - *used = swapinfo.ksw_used * pagesize; - if (*total != 0) - percent = (double)*used / (double)*total; - } - kvm_close(kd); - } - return percent; + char buf[256]; + va_list args; + va_start(args, format); + vsnprintf(buf, sizeof(buf), format, args); + do_setproctitle(buf); + va_end(args); } #endif @@ -620,24 +369,4 @@ cpuload(char *str) return (int)l[0]; } -double -swapused(int *total, int *used) -{ - double percent = -1; - char buf[101]; - FILE *fp; - - if ((fp = fopen("/proc/meminfo", "r"))) { - while (fgets(buf, 100, fp) && strstr(buf, "SwapTotal:") == NULL); - sscanf(buf, "%*s %d", total); - fgets(buf, 100, fp); - sscanf(buf, "%*s %d", used); - *used = *total - *used; - if (*total != 0) - percent = (double)*used / (double)*total; - fclose(fp); - } - return percent; -} - #endif |