| 96,6 → 96,16 |
|---|
| } |
| |
| |
| /* returns 1 if file exists, zero otherwise */ |
| static int fileexists(const char *fname) { |
| FILE *fd; |
| fd = fopen(fname, "rb"); |
| if (fd == NULL) return(0); |
| fclose(fd); |
| return(1); |
| } |
| |
| |
| /* outputs a string to screen with taking care of word wrapping. returns amount of lines. */ |
| static unsigned char putstringwrap(unsigned char y, unsigned char x, unsigned char attr, const char *s) { |
| unsigned char linew, lincount; |
| 310,6 → 320,12 |
|---|
| NULL |
| }; |
| |
| /* do not ask for language on non-multilang setups */ |
| if (!fileexists("INSTALL.LNG")) { |
| choice = 0; |
| goto SkipLangSelect; |
| } |
| |
| newscreen(1); |
| msg = svarlang_strid(0x0100); /* "Welcome to SvarDOS" */ |
| x = 40 - (strlen(msg) >> 1); |
| 326,6 → 342,9 |
|---|
| |
| choice = menuselect(11, 9, langlist, -1); |
| if (choice < 0) return(MENUPREV); |
| |
| SkipLangSelect: |
| |
| /* populate locales with default values */ |
| memset(locales, 0, sizeof(struct slocales)); |
| switch (choice) { |
| 488,16 → 507,6 |
|---|
| } |
| |
| |
| /* returns 0 if file exists, non-zero otherwise */ |
| static int fileexists(const char *fname) { |
| FILE *fd; |
| fd = fopen(fname, "rb"); |
| if (fd == NULL) return(-1); |
| fclose(fd); |
| return(0); |
| } |
| |
| |
| /* tries to write an empty file to drive. |
| * asks DOS to inhibit the int 24h handler for this job, so erros are |
| * gracefully reported - unfortunately this does not work under FreeDOS because |
| 848,7 → 857,7 |
|---|
| /* is this package present on the floppy disk? */ |
| TRY_NEXTPKG: |
| sprintf(buff, "%s.svp", pkgptr); |
| if (fileexists(buff) != 0) { |
| if (!fileexists(buff)) { |
| while (*pkgptr != 0) pkgptr++; |
| while (*pkgptr == 0) pkgptr++; |
| /* end of list? ask for next floppy, there's nothing interesting left on this one */ |
| 959,7 → 968,7 |
|---|
| static int checkinstsrc(char drv) { |
| char fname[16]; |
| snprintf(fname, sizeof(fname), "%c:\\ATTRIB.SVP", drv); |
| return(fileexists(fname)); |
| return(!fileexists(fname)); |
| } |
| #endif |
| |
| 993,18 → 1002,18 |
|---|
| loadcp(&locales); |
| svarlang_load("INSTALL.LNG", locales.lang); /* NLS support */ |
| |
| SelectKeyb: |
| action = selectkeyb(&locales); /* what keyb layout should we use? */ |
| if (action == MENUQUIT) goto Quit; |
| if (action == MENUPREV) goto SelectLang; |
| if (action == MENUPREV) { |
| if (!fileexists("INSTALL.LNG")) goto Quit; |
| goto SelectLang; |
| } |
| |
| WelcomeScreen: |
| action = welcomescreen(); /* what svardos is, ask whether to run live dos or install */ |
| if (action == MENUQUIT) goto Quit; |
| if (action == MENUPREV) { |
| if (locales.keyblen > 1) goto SelectKeyb; /* if there is a choice of more than 1 layout, ask for it */ |
| goto SelectLang; |
| } |
| if (action == MENUPREV) goto SelectLang; |
| |
| targetdrv = preparedrive(sourcedrv); /* what drive should we install from? check avail. space */ |
| if (targetdrv == MENUQUIT) goto Quit; |
| if (targetdrv == MENUPREV) goto WelcomeScreen; |