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-rw-r--r--main/common/ledit_vi.c1109
1 files changed, 572 insertions, 537 deletions
diff --git a/main/common/ledit_vi.c b/main/common/ledit_vi.c
index 68f7d01..83f47e9 100644
--- a/main/common/ledit_vi.c
+++ b/main/common/ledit_vi.c
@@ -1,7 +1,7 @@
/**************************************************************************
*
* Copyright (c) 2013 Alcatel-Lucent
- *
+ *
* Alcatel Lucent licenses this file to You under the Apache License,
* Version 2.0 (the "License"); you may not use this file except in
* compliance with the License. A copy of the License is contained the
@@ -37,37 +37,37 @@
#include "stddefs.h"
#include "cli.h"
-#define HMAX 16
-#define ESC 0x1B
-#define CTLC 0x03
-#define BACKSPACE 0x08
-#define CMD 100
-#define EDIT 101
-#define EDIT1 102
-#define INSERT 103
-#define NEXT 104
-#define PREV 105
-#define NEITHER 106
-
-#define EDITFILELINE 1
-#define EDITCMDLINE 2
-
-static int stridx; /* store index */
-static int shwidx; /* show index */
-static int srchidx; /* search index */
-static int lastsize; /* size of last command */
-static char curChar; /* latest input character */
-static char *curPos; /* current position on command line */
-static char *startOfLine; /* start of command line */
-static int lineLen; /* length of line */
-static int lMode; /* present mode of entry */
-static char cmdhistory[HMAX+1][CMDLINESIZE];/* array for command history */
-
-static void ledit(), lcmd(), showprev(), ldelete(), linsert(), lerase();
-static void gotobegin(), gotoend(), backup(), shownext(), linsertbs();
-static void delete_to_end(), delete_something();
-static void historysearch(void), ledit1(void);
-static char *lineeditor();
+#define HMAX 16
+#define ESC 0x1B
+#define CTLC 0x03
+#define BACKSPACE 0x08
+#define CMD 100
+#define EDIT 101
+#define EDIT1 102
+#define INSERT 103
+#define NEXT 104
+#define PREV 105
+#define NEITHER 106
+
+#define EDITFILELINE 1
+#define EDITCMDLINE 2
+
+static int stridx; /* store index */
+static int shwidx; /* show index */
+static int srchidx; /* search index */
+static int lastsize; /* size of last command */
+static char curChar; /* latest input character */
+static char *curPos; /* current position on command line */
+static char *startOfLine; /* start of command line */
+static int lineLen; /* length of line */
+static int lMode; /* present mode of entry */
+static char cmdhistory[HMAX+1][CMDLINESIZE];/* array for command history */
+
+static void ledit(), lcmd(), showprev(), ldelete(), linsert(), lerase();
+static void gotobegin(), gotoend(), backup(), shownext(), linsertbs();
+static void delete_to_end(), delete_something();
+static void historysearch(void), ledit1(void);
+static char *lineeditor();
/* line_edit() & file_line_edit():
* These two functions are simply front-ends to the lineeditor()
@@ -79,13 +79,13 @@ static char *lineeditor();
char *
line_edit(char *line_to_edit)
{
- return(lineeditor(line_to_edit,EDITCMDLINE));
+ return(lineeditor(line_to_edit,EDITCMDLINE));
}
char *
file_line_edit(char *line_to_edit)
{
- return(lineeditor(line_to_edit,EDITFILELINE));
+ return(lineeditor(line_to_edit,EDITFILELINE));
}
/* lineeditor():
@@ -99,203 +99,209 @@ file_line_edit(char *line_to_edit)
static char *
lineeditor(char *line_to_edit,int type)
{
- lMode = CMD;
- startOfLine = line_to_edit;
- curPos = line_to_edit;
- while(*curPos != ESC)
- curPos++;
- *curPos = 0; /* Remove the escape character from the line */
- lineLen = (ulong)curPos - (ulong)startOfLine;
- if (lineLen > 0) {
- curPos--;
- putstr(" \b\b");
- }
- else
- putstr(" \b");
- lastsize = 0;
- shwidx = stridx;
- srchidx = stridx;
- while(1) {
- curChar = getchar();
- switch(curChar) {
- case ESC:
- if (lMode != CMD) {
- lMode = CMD;
- continue;
- }
- else {
- putchar('\n');
- return((char *)0);
- }
- case '\r':
- case '\n':
- putchar('\n');
- if (lineLen == 0)
- return((char *)0);
- *(char *)(startOfLine + lineLen) = '\0';
- return(startOfLine);
- case CTLC:
- putchar('\n');
- *startOfLine = 0;
- lineLen = 0;
- return((char *)0);
- }
- switch(lMode) {
- case CMD:
- lcmd(type);
- if (lMode == NEITHER)
- return((char *)0);
- break;
- case INSERT:
- linsert();
- break;
- case EDIT1:
- ledit1();
- break;
- case EDIT:
- ledit();
- break;
- }
- if (lineLen >= (CMDLINESIZE - 2)) {
- printf("line overflow\n");
- return((char *)0);
- }
- }
+ lMode = CMD;
+ startOfLine = line_to_edit;
+ curPos = line_to_edit;
+ while(*curPos != ESC) {
+ curPos++;
+ }
+ *curPos = 0; /* Remove the escape character from the line */
+ lineLen = (ulong)curPos - (ulong)startOfLine;
+ if(lineLen > 0) {
+ curPos--;
+ putstr(" \b\b");
+ } else {
+ putstr(" \b");
+ }
+ lastsize = 0;
+ shwidx = stridx;
+ srchidx = stridx;
+ while(1) {
+ curChar = getchar();
+ switch(curChar) {
+ case ESC:
+ if(lMode != CMD) {
+ lMode = CMD;
+ continue;
+ } else {
+ putchar('\n');
+ return((char *)0);
+ }
+ case '\r':
+ case '\n':
+ putchar('\n');
+ if(lineLen == 0) {
+ return((char *)0);
+ }
+ *(char *)(startOfLine + lineLen) = '\0';
+ return(startOfLine);
+ case CTLC:
+ putchar('\n');
+ *startOfLine = 0;
+ lineLen = 0;
+ return((char *)0);
+ }
+ switch(lMode) {
+ case CMD:
+ lcmd(type);
+ if(lMode == NEITHER) {
+ return((char *)0);
+ }
+ break;
+ case INSERT:
+ linsert();
+ break;
+ case EDIT1:
+ ledit1();
+ break;
+ case EDIT:
+ ledit();
+ break;
+ }
+ if(lineLen >= (CMDLINESIZE - 2)) {
+ printf("line overflow\n");
+ return((char *)0);
+ }
+ }
}
static void
ledit(void)
{
- int len;
-
- if (curChar == '\b')
- curPos--;
- else
- *curPos++ = curChar;
-
- len = (curPos - startOfLine); /* line may get longer than original */
- if (len > lineLen)
- lineLen = len;
-
- putchar(curChar);
- switch(lMode) {
- case EDIT1:
- lMode = CMD;
- break;
- }
+ int len;
+
+ if(curChar == '\b') {
+ curPos--;
+ } else {
+ *curPos++ = curChar;
+ }
+
+ len = (curPos - startOfLine); /* line may get longer than original */
+ if(len > lineLen) {
+ lineLen = len;
+ }
+
+ putchar(curChar);
+ switch(lMode) {
+ case EDIT1:
+ lMode = CMD;
+ break;
+ }
}
static void
ledit1(void)
{
- *curPos = curChar;
- putchar(curChar);
- putchar('\b');
- lMode = CMD;
+ *curPos = curChar;
+ putchar(curChar);
+ putchar('\b');
+ lMode = CMD;
}
static void
lcmd(int type)
{
- switch(curChar) {
- case '0':
- gotobegin();
- return;
- case '$':
- gotoend();
- return;
- case 'A':
- gotoend();
- putchar(*curPos++);
- lMode = INSERT;
- return;
- case 'a':
- if (curPos != startOfLine)
- putchar(*curPos++);
- lMode = INSERT;
- return;
- case 'i':
- lMode = INSERT;
- return;
- case 'D':
- delete_to_end();
- return;
- case 'd':
- delete_something();
- return;
- case 'c':
- delete_something();
- lMode = INSERT;
- return;
- case 'x':
- ldelete();
- return;
- case ' ':
- case 'l':
- if (curPos < startOfLine+lineLen-1) {
- putchar(*curPos);
- curPos++;
- }
- return;
- case '\b':
- case 'h':
- if (curPos > startOfLine) {
- putchar('\b');
- curPos--;
- }
- return;
- case 'r':
- lMode = EDIT1;
- return;
- case 'R':
- lMode = EDIT;
- return;
- }
-
- /* The remaining commands should only be processed if we are editing
- * a command line. For editing a line in a file, the commands that
- * relate to command line history are not applicable and should be
- * blocked.
- */
- if (type == EDITCMDLINE) {
- switch(curChar) {
- case '/':
- putchar('/');
- historysearch();
- return;
- case '+':
- case 'j':
- shownext();
- return;
- case '-':
- case 'k':
- showprev();
- return;
- }
- }
-
- /* Beep to indicate an error. */
- putchar(0x07);
+ switch(curChar) {
+ case '0':
+ gotobegin();
+ return;
+ case '$':
+ gotoend();
+ return;
+ case 'A':
+ gotoend();
+ putchar(*curPos++);
+ lMode = INSERT;
+ return;
+ case 'a':
+ if(curPos != startOfLine) {
+ putchar(*curPos++);
+ }
+ lMode = INSERT;
+ return;
+ case 'i':
+ lMode = INSERT;
+ return;
+ case 'D':
+ delete_to_end();
+ return;
+ case 'd':
+ delete_something();
+ return;
+ case 'c':
+ delete_something();
+ lMode = INSERT;
+ return;
+ case 'x':
+ ldelete();
+ return;
+ case ' ':
+ case 'l':
+ if(curPos < startOfLine+lineLen-1) {
+ putchar(*curPos);
+ curPos++;
+ }
+ return;
+ case '\b':
+ case 'h':
+ if(curPos > startOfLine) {
+ putchar('\b');
+ curPos--;
+ }
+ return;
+ case 'r':
+ lMode = EDIT1;
+ return;
+ case 'R':
+ lMode = EDIT;
+ return;
+ }
+
+ /* The remaining commands should only be processed if we are editing
+ * a command line. For editing a line in a file, the commands that
+ * relate to command line history are not applicable and should be
+ * blocked.
+ */
+ if(type == EDITCMDLINE) {
+ switch(curChar) {
+ case '/':
+ putchar('/');
+ historysearch();
+ return;
+ case '+':
+ case 'j':
+ shownext();
+ return;
+ case '-':
+ case 'k':
+ showprev();
+ return;
+ }
+ }
+
+ /* Beep to indicate an error. */
+ putchar(0x07);
}
static void
linsert()
{
- char string[CMDLINESIZE];
-
- if (curChar == BACKSPACE) {
- linsertbs();
- return;
- }
- if (!isprint(curChar))
- return;
- putchar(curChar);
- putstr(curPos);
- backup((int)strlen(curPos));
- strncpy(string,curPos,CMDLINESIZE-1);
- *curPos++ = curChar;
- strcpy(curPos,string);
- lineLen++;
+ char string[CMDLINESIZE];
+
+ if(curChar == BACKSPACE) {
+ linsertbs();
+ return;
+ }
+ if(!isprint(curChar)) {
+ return;
+ }
+ putchar(curChar);
+ putstr(curPos);
+ backup((int)strlen(curPos));
+ strncpy(string,curPos,CMDLINESIZE-1);
+ *curPos++ = curChar;
+ strcpy(curPos,string);
+ lineLen++;
}
/* linsertbs():
@@ -305,156 +311,159 @@ linsert()
static void
linsertbs()
{
- char *eol, *now;
- int cnt;
-
- if (curPos == startOfLine)
- return;
- backup(1);
- curPos--;
- cnt = 0;
- eol = startOfLine + lineLen - 1;
- now = curPos;
- while(curPos <= eol) {
- *curPos = *(curPos+1);
- curPos++;
- cnt++;
- }
- putbytes(now,cnt-1);
- putchar(' ');
- backup((int)cnt);
- curPos = now;
- lineLen--;
+ char *eol, *now;
+ int cnt;
+
+ if(curPos == startOfLine) {
+ return;
+ }
+ backup(1);
+ curPos--;
+ cnt = 0;
+ eol = startOfLine + lineLen - 1;
+ now = curPos;
+ while(curPos <= eol) {
+ *curPos = *(curPos+1);
+ curPos++;
+ cnt++;
+ }
+ putbytes(now,cnt-1);
+ putchar(' ');
+ backup((int)cnt);
+ curPos = now;
+ lineLen--;
}
static void
delete_something()
{
- char *eol, *now, C, *new;
- int cnt;
-
- C = getchar();
- if (C == 'w') { /* word */
- now = curPos;
- eol = startOfLine + lineLen -1;
- while (curPos <= eol) {
- if (*curPos == ' ')
- break;
- curPos++;
- }
- if (curPos < eol) {
- new = curPos;
- strcpy(now,new);
- cnt = strlen(now);
- putbytes(now,cnt);
- curPos = now + cnt;
- while(curPos <= eol) {
- putchar(' ');
- curPos++;
- cnt++;
- }
- backup(cnt);
- }
- else {
- curPos = now;
- delete_to_end();
- return;
- }
- curPos = now;
- lineLen = strlen(startOfLine);
- }
- else if (C == 'f') { /* find */
- C = getchar();
- now = curPos;
- eol = startOfLine + lineLen -1;
- while (curPos <= eol) {
- if (*curPos == C)
- break;
- curPos++;
- }
- if (curPos < eol) {
- new = curPos+1;
- strcpy(now,new);
- cnt = strlen(now);
- putbytes(now,cnt);
- curPos = now + cnt;
- while(curPos <= eol) {
- putchar(' ');
- curPos++;
- cnt++;
- }
- backup(cnt);
- }
- else {
- curPos = now;
- delete_to_end();
- return;
- }
- curPos = now;
- lineLen = strlen(startOfLine);
- }
+ char *eol, *now, C, *new;
+ int cnt;
+
+ C = getchar();
+ if(C == 'w') { /* word */
+ now = curPos;
+ eol = startOfLine + lineLen -1;
+ while(curPos <= eol) {
+ if(*curPos == ' ') {
+ break;
+ }
+ curPos++;
+ }
+ if(curPos < eol) {
+ new = curPos;
+ strcpy(now,new);
+ cnt = strlen(now);
+ putbytes(now,cnt);
+ curPos = now + cnt;
+ while(curPos <= eol) {
+ putchar(' ');
+ curPos++;
+ cnt++;
+ }
+ backup(cnt);
+ } else {
+ curPos = now;
+ delete_to_end();
+ return;
+ }
+ curPos = now;
+ lineLen = strlen(startOfLine);
+ } else if(C == 'f') { /* find */
+ C = getchar();
+ now = curPos;
+ eol = startOfLine + lineLen -1;
+ while(curPos <= eol) {
+ if(*curPos == C) {
+ break;
+ }
+ curPos++;
+ }
+ if(curPos < eol) {
+ new = curPos+1;
+ strcpy(now,new);
+ cnt = strlen(now);
+ putbytes(now,cnt);
+ curPos = now + cnt;
+ while(curPos <= eol) {
+ putchar(' ');
+ curPos++;
+ cnt++;
+ }
+ backup(cnt);
+ } else {
+ curPos = now;
+ delete_to_end();
+ return;
+ }
+ curPos = now;
+ lineLen = strlen(startOfLine);
+ }
}
static void
delete_to_end()
{
- char *eol, *now, *sol;
-
- eol = startOfLine + lineLen;
- now = curPos;
- if (curPos == eol)
- return;
- while(curPos < eol) {
- putchar(' ');
- curPos++;
- }
- if (now == startOfLine)
- sol = now+1;
- else
- sol = now;
- while(curPos >= sol) {
- putchar('\b');
- curPos--;
- }
- lineLen = now - startOfLine;
- if (lineLen == 0) {
- curPos = startOfLine;
- *curPos = 0;
- }
- else
- *(curPos+1) = '\0';
+ char *eol, *now, *sol;
+
+ eol = startOfLine + lineLen;
+ now = curPos;
+ if(curPos == eol) {
+ return;
+ }
+ while(curPos < eol) {
+ putchar(' ');
+ curPos++;
+ }
+ if(now == startOfLine) {
+ sol = now+1;
+ } else {
+ sol = now;
+ }
+ while(curPos >= sol) {
+ putchar('\b');
+ curPos--;
+ }
+ lineLen = now - startOfLine;
+ if(lineLen == 0) {
+ curPos = startOfLine;
+ *curPos = 0;
+ } else {
+ *(curPos+1) = '\0';
+ }
}
static void
ldelete()
{
- char *eol, *now;
- int cnt;
-
- if (lineLen == 0)
- return;
- cnt = 0;
- eol = startOfLine + lineLen - 1;
- now = curPos;
- if (curPos != eol) {
- while(curPos <= eol) {
- *curPos = *(curPos+1);
- curPos++;
- cnt++;
- }
- putbytes(now,cnt-1);
- putchar(' ');
- backup((int)cnt);
- }
- else {
- putstr(" \b\b");
- *eol = '\0';
- now--;
- }
- curPos = now;
- lineLen--;
- if (lineLen == 0)
- curPos = startOfLine;
+ char *eol, *now;
+ int cnt;
+
+ if(lineLen == 0) {
+ return;
+ }
+ cnt = 0;
+ eol = startOfLine + lineLen - 1;
+ now = curPos;
+ if(curPos != eol) {
+ while(curPos <= eol) {
+ *curPos = *(curPos+1);
+ curPos++;
+ cnt++;
+ }
+ putbytes(now,cnt-1);
+ putchar(' ');
+ backup((int)cnt);
+ } else {
+ putstr(" \b\b");
+ *eol = '\0';
+ now--;
+ }
+ curPos = now;
+ lineLen--;
+ if(lineLen == 0) {
+ curPos = startOfLine;
+ }
}
/* showdone():
@@ -464,157 +473,172 @@ ldelete()
static void
showdone(int idx)
{
- if (idx == HMAX) {
- printf("History buffer empty.\007\n");
- lMode = NEITHER;
- return;
- }
-
- backup((int)(curPos - startOfLine));
- lineLen = strlen(cmdhistory[shwidx]);
- putbytes(cmdhistory[shwidx],lineLen);
- lerase((int)(lastsize-lineLen));
- backup((int)(lineLen));
- strcpy(startOfLine,cmdhistory[shwidx]);
- curPos = startOfLine;
- lastsize = lineLen;
+ if(idx == HMAX) {
+ printf("History buffer empty.\007\n");
+ lMode = NEITHER;
+ return;
+ }
+
+ backup((int)(curPos - startOfLine));
+ lineLen = strlen(cmdhistory[shwidx]);
+ putbytes(cmdhistory[shwidx],lineLen);
+ lerase((int)(lastsize-lineLen));
+ backup((int)(lineLen));
+ strcpy(startOfLine,cmdhistory[shwidx]);
+ curPos = startOfLine;
+ lastsize = lineLen;
}
/* showprev() & shownext():
- * Show previous or next command in history list based on
+ * Show previous or next command in history list based on
* the current position in the list being established by
* the shwidx variable.
*/
static void
showprev()
{
- int i;
-
- if (shwidx == 0)
- shwidx = HMAX-1;
- else
- shwidx--;
-
- for(i=0;i<HMAX;i++) {
- if (*cmdhistory[shwidx])
- break;
- if (shwidx == 0)
- shwidx = HMAX-1;
- else
- shwidx--;
- }
- showdone(i);
+ int i;
+
+ if(shwidx == 0) {
+ shwidx = HMAX-1;
+ } else {
+ shwidx--;
+ }
+
+ for(i=0; i<HMAX; i++) {
+ if(*cmdhistory[shwidx]) {
+ break;
+ }
+ if(shwidx == 0) {
+ shwidx = HMAX-1;
+ } else {
+ shwidx--;
+ }
+ }
+ showdone(i);
}
static void
shownext()
{
- int i;
-
- if (shwidx == HMAX-1)
- shwidx = 0;
- else
- shwidx++;
-
- for(i=0;i<HMAX;i++) {
- if (*cmdhistory[shwidx])
- break;
- if (shwidx == HMAX)
- shwidx = 0;
- else
- shwidx++;
- }
- showdone(i);
+ int i;
+
+ if(shwidx == HMAX-1) {
+ shwidx = 0;
+ } else {
+ shwidx++;
+ }
+
+ for(i=0; i<HMAX; i++) {
+ if(*cmdhistory[shwidx]) {
+ break;
+ }
+ if(shwidx == HMAX) {
+ shwidx = 0;
+ } else {
+ shwidx++;
+ }
+ }
+ showdone(i);
}
static void
backup(count)
-int count;
+int count;
{
- char string[CMDLINESIZE];
- int i;
-
- if (count <= 0)
- return;
- *string = '\0';
- for(i=0;i<count;i++)
- strcat(string,"\b");
- putbytes(string,count);
+ char string[CMDLINESIZE];
+ int i;
+
+ if(count <= 0) {
+ return;
+ }
+ *string = '\0';
+ for(i=0; i<count; i++) {
+ strcat(string,"\b");
+ }
+ putbytes(string,count);
}
static void
lerase(int count)
{
- char string[CMDLINESIZE];
- int i;
-
- if (count <= 0)
- return;
- *string = '\0';
- for(i=0;i<count;i++)
- strcat(string," ");
- for(i=0;i<count;i++)
- strcat(string,"\b");
- putbytes(string,count*2);
+ char string[CMDLINESIZE];
+ int i;
+
+ if(count <= 0) {
+ return;
+ }
+ *string = '\0';
+ for(i=0; i<count; i++) {
+ strcat(string," ");
+ }
+ for(i=0; i<count; i++) {
+ strcat(string,"\b");
+ }
+ putbytes(string,count*2);
}
static void
gotoend()
{
- char string[CMDLINESIZE], *eol;
- int i;
-
- eol = startOfLine + lineLen -1;
- for (i=0;i<CMDLINESIZE-1;i++) {
- if (curPos == eol)
- break;
- string[i] = *curPos++;
- }
- if (i)
- putbytes(string,i);
+ char string[CMDLINESIZE], *eol;
+ int i;
+
+ eol = startOfLine + lineLen -1;
+ for(i=0; i<CMDLINESIZE-1; i++) {
+ if(curPos == eol) {
+ break;
+ }
+ string[i] = *curPos++;
+ }
+ if(i) {
+ putbytes(string,i);
+ }
}
static void
gotobegin()
{
- char string[CMDLINESIZE];
- int i;
-
- i = 0;
- while(curPos != startOfLine) {
- string[i++] = '\b';
- curPos--;
- }
- putbytes(string,i);
+ char string[CMDLINESIZE];
+ int i;
+
+ i = 0;
+ while(curPos != startOfLine) {
+ string[i++] = '\b';
+ curPos--;
+ }
+ putbytes(string,i);
}
/* History():
* Command used at the CLI to allow the user to dump the content
* of the history buffer.
*/
-char * HistoryHelp[] = {
- "Display command history",
- "",
- 0,
+char *HistoryHelp[] = {
+ "Display command history",
+ "",
+ 0,
};
-
+
int
History(int argc,char *argv[])
{
- int i;
-
- for(i=stridx;i<HMAX;i++) {
- if (cmdhistory[i][0])
- printf("%s\n",cmdhistory[i]);
- }
- if (stridx) {
- for(i=0;i<stridx;i++) {
- if (cmdhistory[i][0])
- printf("%s\n",cmdhistory[i]);
- }
- }
- return(CMD_SUCCESS);
+ int i;
+
+ for(i=stridx; i<HMAX; i++) {
+ if(cmdhistory[i][0]) {
+ printf("%s\n",cmdhistory[i]);
+ }
+ }
+ if(stridx) {
+ for(i=0; i<stridx; i++) {
+ if(cmdhistory[i][0]) {
+ printf("%s\n",cmdhistory[i]);
+ }
+ }
+ }
+ return(CMD_SUCCESS);
}
/* historyinit():
@@ -623,11 +647,12 @@ History(int argc,char *argv[])
void
historyinit()
{
- int i;
+ int i;
- shwidx = stridx = 0;
- for (i=0;i<HMAX;i++)
- cmdhistory[i][0] = 0;
+ shwidx = stridx = 0;
+ for(i=0; i<HMAX; i++) {
+ cmdhistory[i][0] = 0;
+ }
}
/* historylog():
@@ -638,99 +663,109 @@ historyinit()
void
historylog(char *cmdline)
{
- int idx;
+ int idx;
- if (strlen(cmdline) >= CMDLINESIZE)
- return;
+ if(strlen(cmdline) >= CMDLINESIZE) {
+ return;
+ }
- if (stridx == 0)
- idx = HMAX-1;
- else
- idx = stridx -1;
+ if(stridx == 0) {
+ idx = HMAX-1;
+ } else {
+ idx = stridx -1;
+ }
- /* don't store if this command is same as last command */
- if (strcmp(cmdhistory[idx],cmdline) == 0)
- return;
+ /* don't store if this command is same as last command */
+ if(strcmp(cmdhistory[idx],cmdline) == 0) {
+ return;
+ }
- if (stridx == HMAX)
- stridx = 0;
+ if(stridx == HMAX) {
+ stridx = 0;
+ }
- strcpy(cmdhistory[stridx++],cmdline);
+ strcpy(cmdhistory[stridx++],cmdline);
}
static void
historysearch(void)
{
- static char string[100];
- char *s, *ptr, *last, C;
- int size, len, count;
-
- lerase((int)lastsize);
- s = string;
- size = 0;
- while(1) {
- C = getchar();
- if (C == '\b') {
- if (size == 0)
- continue;
- putstr("\b \b");
- s--;
- size--;
- continue;
- }
- if ((C == '\r') || (C == '\n'))
- break;
- putchar(C);
- size++;
- *s++ = C;
- }
- backup((int)(size+1));
- if (size != 0)
- *s = '\0';
- else
- size = strlen(string);
-
- count = 0;
-
- while(1) {
- ptr = cmdhistory[srchidx];
- len = strlen(ptr);
- last = ptr + len - size + 1;
- while(ptr < last) {
- if (strncmp(ptr,string,size) == 0)
- goto gotmatch;
- ptr++;
- }
- if (srchidx == 0)
- srchidx = HMAX-1;
- else
- srchidx--;
- if (++count == HMAX) {
- backup((int)(curPos - startOfLine));
- lineLen = 0;
- lerase((int)(size+1));
- backup((int)(lineLen));
- *startOfLine = '\0';
- curPos = startOfLine;
- lastsize = lineLen;
- return;
- }
- }
+ static char string[100];
+ char *s, *ptr, *last, C;
+ int size, len, count;
+
+ lerase((int)lastsize);
+ s = string;
+ size = 0;
+ while(1) {
+ C = getchar();
+ if(C == '\b') {
+ if(size == 0) {
+ continue;
+ }
+ putstr("\b \b");
+ s--;
+ size--;
+ continue;
+ }
+ if((C == '\r') || (C == '\n')) {
+ break;
+ }
+ putchar(C);
+ size++;
+ *s++ = C;
+ }
+ backup((int)(size+1));
+ if(size != 0) {
+ *s = '\0';
+ } else {
+ size = strlen(string);
+ }
+
+ count = 0;
+
+ while(1) {
+ ptr = cmdhistory[srchidx];
+ len = strlen(ptr);
+ last = ptr + len - size + 1;
+ while(ptr < last) {
+ if(strncmp(ptr,string,size) == 0) {
+ goto gotmatch;
+ }
+ ptr++;
+ }
+ if(srchidx == 0) {
+ srchidx = HMAX-1;
+ } else {
+ srchidx--;
+ }
+ if(++count == HMAX) {
+ backup((int)(curPos - startOfLine));
+ lineLen = 0;
+ lerase((int)(size+1));
+ backup((int)(lineLen));
+ *startOfLine = '\0';
+ curPos = startOfLine;
+ lastsize = lineLen;
+ return;
+ }
+ }
gotmatch:
- backup((int)(curPos - startOfLine));
- lineLen = strlen(cmdhistory[srchidx]);
- putbytes(cmdhistory[srchidx],lineLen);
- lerase((int)(lastsize-lineLen));
- backup((int)(lineLen));
- strcpy(startOfLine,cmdhistory[srchidx]);
- curPos = startOfLine;
- lastsize = lineLen;
- if (srchidx == 0)
- srchidx = HMAX-1;
- else
- srchidx--;
- return;
+ backup((int)(curPos - startOfLine));
+ lineLen = strlen(cmdhistory[srchidx]);
+ putbytes(cmdhistory[srchidx],lineLen);
+ lerase((int)(lastsize-lineLen));
+ backup((int)(lineLen));
+ strcpy(startOfLine,cmdhistory[srchidx]);
+ curPos = startOfLine;
+ lastsize = lineLen;
+ if(srchidx == 0) {
+ srchidx = HMAX-1;
+ } else {
+ srchidx--;
+ }
+ return;
}
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-05 04:06:01 +0000