Mercurial > dwindows
view compat.c @ 580:d7c338ac926a
Sweeping changes to the compatibility module, moved all socket code out
of the DLL and into macros in compat.h, socksprintf() is now gone, replaced
by the sockprint() macro and the vargs() function. This allows the DLL
and application to be compiled with different compilers (and C libraries).
author | bsmith@81767d24-ef19-dc11-ae90-00e081727c95 |
---|---|
date | Fri, 20 May 2005 03:32:25 +0000 |
parents | 1a210e2f214b |
children | f09977bc9b5c |
line wrap: on
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/* $Id$ */ #include "compat.h" #if defined(__OS2__) || defined(__WIN32__) #include <share.h> #endif #if defined(__UNIX__) || defined(__MAC__) #if defined(__FreeBSD__) || defined(__MAC__) #include <sys/param.h> #include <sys/ucred.h> #include <sys/mount.h> #elif defined(__sun__) #include <sys/mnttab.h> #include <sys/param.h> #include <sys/mount.h> #include <sys/statfs.h> #else #include <mntent.h> #include <sys/vfs.h> #endif #endif #include <time.h> #if defined(__UNIX__) || defined(__MAC__) void msleep(long period) { #ifdef __sun__ /* usleep() isn't threadsafe on Solaris */ struct timespec req; req.tv_sec = 0; req.tv_nsec = period * 10000000; nanosleep(&req, NULL); #else usleep(period * 1000); #endif } #endif int API makedir(char *path) { #if defined(__IBMC__) || defined(__WATCOMC__) || (defined(__WIN32__) && !defined(__CYGWIN32__)) return mkdir(path); #else return mkdir(path,S_IRWXU); #endif } char * API vargs(char *buf, int len, char *format, ...) { va_list args; va_start(args, format); #ifdef HAVE_VSNPRINTF vsnprintf(buf, len, format, args); #else len = len; vsprintf(buf, format, args); #endif va_end(args); return buf; } long double API drivefree(int drive) { #if defined(__EMX__) || defined(__OS2__) ULONG aulFSInfoBuf[40] = {0}; APIRET rc = NO_ERROR; DosError(FERR_DISABLEHARDERR); rc = DosQueryFSInfo(drive, FSIL_ALLOC, (PVOID)aulFSInfoBuf, sizeof(aulFSInfoBuf)); DosError(FERR_ENABLEHARDERR); if (rc != NO_ERROR) return 0; return (long double)((double)aulFSInfoBuf[3] * (double)aulFSInfoBuf[1] * (double)aulFSInfoBuf[4]); #elif defined(__WIN32__) || defined(WINNT) char buffer[10] = "C:\\"; DWORD spc, bps, fc, tc; buffer[0] = drive + 'A' - 1; if(GetDiskFreeSpace(buffer, &spc, &bps, &fc, &tc) == 0) return 0; return (long double)((double)spc*(double)bps*(double)fc); #elif defined(__FreeBSD__) || defined(__MAC__) struct statfs *fsp; int entries, index = 1; entries = getmntinfo (&fsp, MNT_NOWAIT); for (; entries-- > 0; fsp++) { if(index == drive) return (long double)((double)fsp->f_bsize * (double)fsp->f_bavail); index++; } return 0; #elif defined(__sun__) FILE *fp = fopen("/etc/mnttab", "r"); struct mnttab mnt; struct statfs sfs; int index = 1; if(fp) { while((getmntent(fp, &mnt) == 0)) { if(index == drive) { long double size = 0; if(mnt.mnt_mountp) { statfs(mnt.mnt_mountp, &sfs, sizeof(struct statfs), 0); size = (long double)((double)sfs.f_bsize * (double)sfs.f_bfree); } fclose(fp); return size; } index++; } fclose(fp); } return 0; #else FILE *fp = setmntent(MOUNTED, "r"); struct mntent *mnt; struct statfs sfs; int index = 1; if(fp) { while((mnt = getmntent(fp))) { if(index == drive) { long double size = 0; if(mnt->mnt_dir) { statfs(mnt->mnt_dir, &sfs); size = (long double)((double)sfs.f_bsize * (double)sfs.f_bavail); } endmntent(fp); return size; } index++; } endmntent(fp); } return 0; #endif } long double API drivesize(int drive) { #if defined(__EMX__) || defined(__OS2__) ULONG aulFSInfoBuf[40] = {0}; APIRET rc = NO_ERROR; DosError(FERR_DISABLEHARDERR); rc = DosQueryFSInfo(drive, FSIL_ALLOC, (PVOID)aulFSInfoBuf, sizeof(aulFSInfoBuf)); DosError(FERR_ENABLEHARDERR); if (rc != NO_ERROR) return 0; return (long double)((double)aulFSInfoBuf[2] * (double)aulFSInfoBuf[1] * (double)aulFSInfoBuf[4]); #elif defined(__WIN32__) || defined(WINNT) char buffer[10] = "C:\\"; DWORD spc, bps, fc, tc; buffer[0] = drive + 'A' - 1; if(GetDiskFreeSpace(buffer, &spc, &bps, &fc, &tc) == 0) return 0; return (long double)((double)spc*(double)bps*(double)tc); #elif defined(__FreeBSD__) || defined(__MAC__) struct statfs *fsp; int entries, index = 1; entries = getmntinfo (&fsp, MNT_NOWAIT); for (; entries-- > 0; fsp++) { if(index == drive) return (long double)((double)fsp->f_bsize * (double)fsp->f_blocks); index++; } return 0; #elif defined(__sun__) FILE *fp = fopen("/etc/mnttab", "r"); struct mnttab mnt; struct statfs sfs; int index = 1; if(fp) { while(getmntent(fp, &mnt) == 0) { if(index == drive) { long double size = 0; if(mnt.mnt_mountp) { statfs(mnt.mnt_mountp, &sfs, sizeof(struct statfs), 0); size = (long double)((double)sfs.f_bsize * (double)sfs.f_blocks); } fclose(fp); return size; } index++; } fclose(fp); } return 0; #else FILE *fp = setmntent(MOUNTED, "r"); struct mntent *mnt; struct statfs sfs; int index = 1; if(fp) { while((mnt = getmntent(fp))) { if(index == drive) { long double size = 0; if(mnt->mnt_dir) { statfs(mnt->mnt_dir, &sfs); size = (long double)((double)sfs.f_bsize * (double)sfs.f_blocks); } endmntent(fp); return size; } index++; } endmntent(fp); } return 0; #endif } int API isdrive(int drive) { #if defined(__EMX__) || defined(__OS2__) APIRET rc = NO_ERROR; FSINFO volinfo; DosError(FERR_DISABLEHARDERR); rc = DosQueryFSInfo(drive, FSIL_VOLSER, (PVOID)&volinfo, sizeof(FSINFO)); DosError(FERR_ENABLEHARDERR); if (rc == NO_ERROR) return 1; #elif defined(__WIN32__) || defined(WINNT) char buffer[10] = "C:\\", volname[100]; DWORD spc, bps, fc; buffer[0] = drive + 'A' - 1; if(GetVolumeInformation(buffer, volname, 100, &spc, &bps, &fc, NULL, 0) != 0) return 1; #elif defined(__FreeBSD__) || defined(__MAC__) struct statfs *fsp; int entries, index = 1; entries = getmntinfo (&fsp, MNT_NOWAIT); for (; entries-- > 0; fsp++) { if(index == drive && fsp->f_blocks) return 1; index++; } return 0; #elif defined(__sun__) FILE *fp = fopen("/etc/mnttab", "r"); struct mnttab mnt; struct statfs sfs; int index = 1; if(fp) { while(getmntent(fp, &mnt) == 0) { if(index == drive) { fclose(fp); if(mnt.mnt_mountp) { statfs(mnt.mnt_mountp, &sfs, sizeof(struct statfs), 0); if(sfs.f_blocks) return 1; } return 0; } index++; } fclose(fp); } #else FILE *fp = setmntent(MOUNTED, "r"); struct mntent *mnt; struct statfs sfs; int index = 1; if(fp) { while((mnt = getmntent(fp))) { if(index == drive) { endmntent(fp); if(mnt->mnt_dir) { statfs(mnt->mnt_dir, &sfs); if(sfs.f_blocks) return 1; } return 0; } index++; } endmntent(fp); } #endif return 0; } void API getfsname(int drive, char *buf, int len) { #if defined(__UNIX__) || defined(__MAC__) #if defined(__FreeBSD__) || defined(__MAC__) struct statfs *fsp; int entries, index = 1; strncpy(buf, "Unknown", len); entries = getmntinfo (&fsp, MNT_NOWAIT); for (; entries-- > 0; fsp++) { if(index == drive) strncpy(buf, fsp->f_mntonname, len); index++; } #elif defined(__sun__) FILE *fp = fopen("/etc/mnttab", "r"); struct mnttab mnt; int index = 1; strncpy(buf, "Unknown", len); if(fp) { while(getmntent(fp, &mnt) == 0) { if(index == drive && mnt.mnt_mountp) strncpy(buf, mnt.mnt_mountp, len); index++; } fclose(fp); } #else FILE *fp = setmntent(MOUNTED, "r"); struct mntent *mnt; int index = 1; strncpy(buf, "Unknown", len); if(fp) { while((mnt = getmntent(fp))) { if(index == drive && mnt->mnt_dir) strncpy(buf, mnt->mnt_dir, len); index++; } endmntent(fp); } #endif #elif defined(__OS2__) /* No snprintf() on OS/2 ??? */ len = len; sprintf(buf, "Drive %c", (char)drive + 'A' - 1); #else _snprintf(buf, len, "Drive %c", (char)drive + 'A' - 1); #endif } void API setfileinfo(char *filename, char *url, char *logfile) { time_t ltime; struct tm *tm; char buffer[200], timebuf[200]; #ifdef __OS2__ const unsigned fea2listsize = 6000; char *pData; EAOP2 eaop2; PFEA2 pFEA2; #else FILE *urlfile; #endif ltime = time(NULL); tm = localtime(<ime); strftime(timebuf, 200, "%c", tm); sprintf(buffer, "%s %s", url, timebuf); #ifdef __OS2__ logfile = logfile; eaop2.fpGEA2List = 0; eaop2.fpFEA2List = (PFEA2LIST)malloc(fea2listsize); pFEA2 = &eaop2.fpFEA2List->list[0]; pFEA2->fEA = 0; /* .COMMENTS is 9 characters long */ pFEA2->cbName = 9; /* space for the type and length field. */ pFEA2->cbValue = strlen(buffer)+2*sizeof(USHORT); strcpy(pFEA2->szName, ".COMMENTS"); pData = pFEA2->szName+pFEA2->cbName+1; /* data begins at first byte after the name */ *(USHORT*)pData = EAT_ASCII; /* type */ *((USHORT*)pData+1) = strlen(buffer); /* length */ strcpy(pData+2*sizeof(USHORT), buffer);/* content */ pFEA2->oNextEntryOffset = 0; eaop2.fpFEA2List->cbList = ((PCHAR)pData+2*sizeof(USHORT)+ pFEA2->cbValue)-((PCHAR)eaop2.fpFEA2List); DosSetPathInfo(filename, FIL_QUERYEASIZE, &eaop2, sizeof(eaop2), 0); free((void *)eaop2.fpFEA2List); #else if((urlfile = fopen(logfile, "a"))!=NULL) { fprintf(urlfile, "%s\n", buffer); fclose(urlfile); } #endif } #if defined(__OS2__) || defined(__WIN32__) typedef struct _fsinfo { FILE *fp; int fd; } FSInfo; FSInfo *FSIRoot = NULL; #define FSI_MAX 100 #endif /* Sharable fopen() and fclose() calls. */ FILE * API fsopen(char *path, char *modes) { #if (defined(__OS2__) && !defined(__WATCOMC__)) || defined(__WIN32__) int z; if(!FSIRoot) FSIRoot = calloc(sizeof(struct _fsinfo), FSI_MAX); for(z=0;z<FSI_MAX;z++) { if(FSIRoot[z].fd < 1) { int s, sopenmode = 0, wrmode = 0; /* Check the flags passed */ for(s=0;s<3;s++) { if(modes[s] == 'b') sopenmode |= O_BINARY; if(modes[s] == 'r') wrmode |= O_RDONLY; if(modes[s] == 'w') wrmode |= O_WRONLY; if(modes[s] == 'a') sopenmode |= O_APPEND; if(modes[s] == 't') sopenmode |= O_TEXT; } /* Check the read/write request */ if((wrmode & O_RDONLY) && (wrmode & O_WRONLY)) sopenmode |= O_RDWR; else sopenmode |= wrmode; FSIRoot[z].fd = _sopen(path, sopenmode, SH_DENYNO, S_IREAD|S_IWRITE); if(FSIRoot[z].fd > 0) { FSIRoot[z].fp = fdopen(FSIRoot[z].fd, modes); return FSIRoot[z].fp; } } } return NULL; #else return fopen(path, modes); #endif } int API fsclose(FILE *fp) { #if defined(__OS2__) || defined(__WIN32__) if(FSIRoot) { int z; for(z=0;z<FSI_MAX;z++) { if(fp == FSIRoot[z].fp) { int ret = fclose(fp); close(FSIRoot[z].fd); FSIRoot[z].fd = 0; FSIRoot[z].fp = NULL; return ret; } } } #endif return fclose(fp); } char * API fsgets(char *str, int size, FILE *stream) { return fgets(str, size, stream); } int API fsseek(FILE *stream, long offset, int whence) { return fseek(stream, offset, whence); } void API nice_strformat(char *dest, long double val, int dec) { char formatbuf[10]; char format = 0; double printval; /* 1024 ^ 3 = Gigabytes */ if(val >= 1073741824L) { printval = val/(1073741824L); format = 'G'; } /* 1024 ^ 2 = Megabytes */ else if(val >= 1048576) { printval = val/(1048576); format = 'M'; } /* 1024 = Kilobytes */ else if(val > 1024) { printval = val/1024; format = 'K'; } else printval = val; /* Generate the format string */ sprintf(formatbuf, "%%.%df%c", dec, format); /* Create the pretty value */ sprintf(dest, formatbuf, printval); } /* Update the current working directory based on the * path of the executable being executed. */ void API initdir(int argc, char *argv[]) { if(argc > 0) { char *tmpdir = strdup(argv[0]); int z, len = strlen(argv[0]); for(z=len;z > -1;z--) { if(tmpdir[z] == '/') { tmpdir[z+1] = 0; setpath(tmpdir); free(tmpdir); return; } } free(tmpdir); } } /* * Sets the current directory (and drive) information. * Parameters: * path: A buffer containing the new path. * Returns: * -1 on error. */ int API setpath(char *path) { #if defined(__OS2__) || defined(__WIN32__) if(strlen(path) > 2) { if(path[1] == ':') { char drive = toupper(path[0]); _chdrive((drive - 'A')+1); } } #endif return chdir(path); } static int locale_number = -1, locale_count = 0; static char **locale_text = NULL; void _free_locale(void) { if(locale_text) { int z; for(z=0;z<locale_count;z++) { if(locale_text[z]) free(locale_text[z]); } free(locale_text); locale_text = NULL; } } void _stripcrlf(char *buf) { int z, len = strlen(buf); for(z=0;z<len;z++) { if(buf[z] == '\r' || buf[z] == '\n') { buf[z] = 0; return; } } } #ifdef __WIN32__ #define LOCALE_CHARACTERS 62 static char locale_table[LOCALE_CHARACTERS * 2] = { 0xc0, 0xb7, 0xc1, 0xb5, 0xc2, 0xb6, 0xc3, 0xc7, 0xc4, 0x8e, 0xc5, 0x8f, 0xc6, 0x92, 0xc7, 0x80, 0xc8, 0xd4, 0xc9, 0x90, 0xcb, 0xd3, 0xcc, 0xde, 0xcd, 0xd6, 0xce, 0xd7, 0xcf, 0xd8, 0xd0, 0xd1, 0xd1, 0xa5, 0xd2, 0xe3, 0xd3, 0xe0, 0xd4, 0xe2, 0xd5, 0xe5, 0xd6, 0x99, 0xd8, 0x9d, 0xd9, 0xeb, 0xda, 0xe9, 0xdb, 0xea, 0xdc, 0x9a, 0xde, 0xed, 0xde, 0xe8, 0xdf, 0xe1, 0xe0, 0x85, 0xe1, 0xa0, 0xe2, 0x83, 0xe3, 0xc6, 0xe4, 0x84, 0xe5, 0x86, 0xe6, 0x91, 0xe7, 0x87, 0xe8, 0x8a, 0xe9, 0x82, 0xea, 0x88, 0xeb, 0x89, 0xec, 0x8d, 0xed, 0xa1, 0xee, 0x8c, 0xef, 0x8b, 0xf0, 0xd0, 0xf1, 0xa4, 0xf2, 0x95, 0xf3, 0xa3, 0xf4, 0x93, 0xf5, 0xe4, 0xf6, 0x94, 0xf7, 0xf6, 0xf8, 0x9b, 0xf9, 0x97, 0xfa, 0xa3, 0xfb, 0x96, 0xfc, 0x81, 0xfd, 0xec, 0xfe, 0xe7, 0xff, 0x9e }; char locale_convert(int codepage, char c) { int z; for(z=0;z<LOCALE_CHARACTERS;z++) { if(locale_table[(z*2)+1] == c) return locale_table[z*2]; } return c; } #endif /* Initialize the locale engine * Returns: TRUE on success, FALSE on failure. */ int API locale_init(char *filename, int my_locale) { FILE *fp = fopen(filename, FOPEN_READ_TEXT); static char text[1025]; int count = 0; _free_locale(); if(fp) { fgets(text, 1024, fp); if(strncasecmp(text, "MESSAGES=", 9) == 0 && (count = atoi(&text[9])) > 0) { int current = -1; locale_text = calloc(count, sizeof(char *)); while(!feof(fp)) { fgets(text, 1024, fp); _stripcrlf(text); if(strncasecmp(text, "LOCALE=", 7) == 0) { if(current > -1) { fclose(fp); locale_count = count; locale_number = my_locale; return 1; } if(atoi(&text[7]) == my_locale) current = 0; } else if(current > -1 && current < count) { /* Use defaults on blank lines */ if(text[0]) { int x = 0, z, len = strlen(text); locale_text[current] = calloc(1, len + 1); for(z=0;z<len;z++) { if(text[z] == '\\' && (text[z+1] == 'r' || text[z+1] == 'n' || text[z+1] == '\"' || text[z+1] == '\'')) { switch(text[z+1]) { case 'r': locale_text[current][x] = '\r'; break; case 'n': locale_text[current][x] = '\n'; break; case '\"': locale_text[current][x] = '\"'; break; case '\'': locale_text[current][x] = '\''; break; } x++; z++; } else { #ifdef __WIN32__ locale_text[current][x] = locale_convert(1252, text[z]); #else locale_text[current][x] = text[z]; #endif x++; } } } current++; } } } fclose(fp); } if(locale_text && count) { locale_count = count; locale_number = my_locale; return 1; } return 0; } /* Retrieve a localized string if available */ char * API locale_string(char *default_text, int message) { if(locale_number > -1 && message < locale_count && message > -1 && locale_text[message]) return locale_text[message]; return default_text; }