Initial Import from SVN

src/cmd/setty/Makefile

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+#==========================================
+#    Makefile: makefile for setty
+#	Copyright 2012 Majenko Technolohies
+#		(matt@majenko.co.uk
+#	Last Modified: 29/01/2012
+#==========================================
+
+TOPSRC          = $(shell cd ../../..; pwd)
+include $(TOPSRC)/target.mk
+
+OBJS            = setty.o
+SRCS            = setty.c
+LIBS            += -lcurses -ltermcap
+
+all:            setty
+
+setty:          ${OBJS}
+		${CC} ${LDFLAGS} -o setty.elf ${OBJS} ${LIBS}
+		${OBJDUMP} -S setty.elf > setty.dis
+		${SIZE} setty.elf
+		${ELF2AOUT} setty.elf $@ && rm setty.elf
+
+clean:
+		-rm -f setty ${OBJS} setty.elf setty.dis
+
+install:        all
+		install setty $(DESTDIR)/bin/

src/cmd/setty/setty.c

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+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+
+int main(int argc, char **argv)
+{
+    char *ttname = ttyname(0);
+    char *tn;
+    FILE *ttys;
+    char buffer[100];
+    char found = 0;
+    int j,k;
+    char delim;
+    char *parts[30];
+    int part;
+
+    if(!ttname)
+        return 10;
+    if(strlen(ttname)<5)
+        return 10;
+
+    tn = ttname+5;
+
+    ttys = fopen("/etc/ttys","r");
+    if(!ttys)
+        return 10;
+    while(fgets(buffer,100,ttys))
+    {
+        if(!strncmp(tn,buffer,strlen(tn)))
+        {
+            found = 1;
+            break;
+        }
+    }
+    fclose(ttys);
+    if(!found)
+        return 10;
+
+    // replace all tabs with spaces and remove CRLF
+    for(j=0; j<strlen(buffer); j++)
+    {
+        if(buffer[j] == 9)
+            buffer[j] = 32;
+        if(buffer[j] == 10)
+            buffer[j] = 0;
+        if(buffer[j] == 13)
+            buffer[j] = 0;
+    }
+
+    // reduce multiple spaces to single spaces
+    for(j=0; j<strlen(buffer); j++)
+    {
+        if(buffer[j]==32)
+        {
+            while(buffer[j+1]==32)
+            {
+                for(k=j+1; k<strlen(buffer); k++)
+                {
+                    buffer[k] = buffer[k+1];
+                }
+            }
+        }
+    }
+
+    // split string by delimiters
+    delim = ' ';
+    parts[0] = buffer;
+    part=0;
+
+    k = strlen(buffer);
+
+    for(j=0; j<k; j++)
+    {
+        if(buffer[j] == delim)
+        {
+            part++;
+            buffer[j] = 0;
+            if(delim!=' ')
+            {
+                j++;
+                buffer[j] = 0;
+            }
+            delim = ' ';
+            if(buffer[j+1] == '"')
+            {
+                delim = '"';
+                j++;
+                buffer[j] = 0;
+            }
+            if(buffer[j+1] == '\'')
+            {
+                delim = '\'';
+                j++;    
+                buffer[j] = 0;
+            }
+            parts[part] = &(buffer[j+1]);
+        }
+    }
+
+    printf("%s\n",parts[2]);
+    return 0;
+    
+}