diff options
Diffstat (limited to 'editors')
| -rw-r--r-- | editors/vi.c | 89 |
1 files changed, 2 insertions, 87 deletions
diff --git a/editors/vi.c b/editors/vi.c index df37affac..3937675b1 100644 --- a/editors/vi.c +++ b/editors/vi.c @@ -7,14 +7,6 @@ */ /* - * To compile for standalone use: - * gcc -Wall -Os -s -DSTANDALONE -o vi vi.c - * or - * gcc -Wall -Os -s -DSTANDALONE -DCONFIG_FEATURE_VI_CRASHME -o vi vi.c # include testing features - * strip vi - */ - -/* * Things To Do: * EXINIT * $HOME/.exrc and ./.exrc @@ -30,50 +22,20 @@ * An "ex" line oriented mode- maybe using "cmdedit" */ -//---- Feature -------------- Bytes to implement -#ifdef STANDALONE -#define vi_main main -#define CONFIG_FEATURE_VI_COLON // 4288 -#define CONFIG_FEATURE_VI_YANKMARK // 1408 -#define CONFIG_FEATURE_VI_SEARCH // 1088 -#define CONFIG_FEATURE_VI_USE_SIGNALS // 1056 -#define CONFIG_FEATURE_VI_DOT_CMD // 576 -#define CONFIG_FEATURE_VI_READONLY // 128 -#define CONFIG_FEATURE_VI_SETOPTS // 576 -#define CONFIG_FEATURE_VI_SET // 224 -#define CONFIG_FEATURE_VI_WIN_RESIZE // 256 WIN_RESIZE -// To test editor using CRASHME: -// vi -C filename -// To stop testing, wait until all to text[] is deleted, or -// Ctrl-Z and kill -9 %1 -// while in the editor Ctrl-T will toggle the crashme function on and off. -//#define CONFIG_FEATURE_VI_CRASHME // randomly pick commands to execute -#endif /* STANDALONE */ - -#include <stdio.h> -#include <stdlib.h> + +#include "busybox.h" #include <string.h> #include <strings.h> -#include <termios.h> #include <unistd.h> #include <sys/ioctl.h> -#include <sys/types.h> -#include <sys/stat.h> #include <time.h> #include <fcntl.h> #include <signal.h> #include <setjmp.h> #include <regex.h> #include <ctype.h> -#include <assert.h> #include <errno.h> -#include <stdarg.h> -#ifndef STANDALONE -#include "busybox.h" #define vi_Version BB_VER " " BB_BT -#else -#define vi_Version "standalone" -#endif /* STANDALONE */ #ifdef CONFIG_LOCALE_SUPPORT #define Isprint(c) isprint((c)) @@ -81,10 +43,6 @@ #define Isprint(c) ( (c) >= ' ' && (c) != 127 && (c) != ((unsigned char)'\233') ) #endif -#ifndef TRUE -#define TRUE ((int)1) -#define FALSE ((int)0) -#endif /* TRUE */ #define MAX_SCR_COLS BUFSIZ // Misc. non-Ascii keys that report an escape sequence @@ -288,7 +246,6 @@ static void colon(Byte *); // execute the "colon" mode cmds static void winch_sig(int); // catch window size changes static void suspend_sig(int); // catch ctrl-Z static void catch_sig(int); // catch ctrl-C and alarm time-outs -static void core_sig(int); // catch a core dump signal #endif /* CONFIG_FEATURE_VI_USE_SIGNALS */ #ifdef CONFIG_FEATURE_VI_DOT_CMD static void start_new_cmd_q(Byte); // new queue for command @@ -461,29 +418,10 @@ static void edit_file(Byte * fn) #ifdef CONFIG_FEATURE_VI_USE_SIGNALS catch_sig(0); - core_sig(0); signal(SIGWINCH, winch_sig); signal(SIGTSTP, suspend_sig); sig = setjmp(restart); if (sig != 0) { - const char *msg = ""; - - if (sig == SIGWINCH) - msg = "(window resize)"; - if (sig == SIGHUP) - msg = "(hangup)"; - if (sig == SIGINT) - msg = "(interrupt)"; - if (sig == SIGTERM) - msg = "(terminate)"; - if (sig == SIGBUS) - msg = "(bus error)"; - if (sig == SIGSEGV) - msg = "(I tried to touch invalid memory)"; - if (sig == SIGALRM) - msg = "(alarm)"; - - psbs("-- caught signal %d %s--", sig, msg); screenbegin = dot = text; } #endif /* CONFIG_FEATURE_VI_USE_SIGNALS */ @@ -2165,33 +2103,10 @@ static void suspend_sig(int sig ATTRIBUTE_UNUSED) //----- Come here when we get a signal --------------------------- static void catch_sig(int sig) { - signal(SIGHUP, catch_sig); signal(SIGINT, catch_sig); - signal(SIGTERM, catch_sig); - signal(SIGALRM, catch_sig); if(sig) longjmp(restart, sig); } - -//----- Come here when we get a core dump signal ----------------- -static void core_sig(int sig) -{ - signal(SIGQUIT, core_sig); - signal(SIGILL, core_sig); - signal(SIGTRAP, core_sig); - signal(SIGABRT, core_sig); - signal(SIGFPE, core_sig); - signal(SIGBUS, core_sig); - signal(SIGSEGV, core_sig); -#ifdef SIGSYS - signal(SIGSYS, core_sig); -#endif - - if(sig) { // signaled - dot = bound_dot(dot); // make sure "dot" is valid - longjmp(restart, sig); - } -} #endif /* CONFIG_FEATURE_VI_USE_SIGNALS */ static int mysleep(int hund) // sleep for 'h' 1/100 seconds |