diff options
Diffstat (limited to 'main/common/term.c')
| -rw-r--r-- | main/common/term.c | 174 |
1 files changed, 91 insertions, 83 deletions
diff --git a/main/common/term.c b/main/common/term.c index 67d198e..2fa8c38 100644 --- a/main/common/term.c +++ b/main/common/term.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 @@ -37,56 +37,57 @@ static int gettermtype(void) { - char *term = getenv("TERM"); - int termtype = TERMTYPE_UNDEFINED; + char *term = getenv("TERM"); + int termtype = TERMTYPE_UNDEFINED; - if (term != 0) { - if (strcasecmp(term,"VT100") == 0) - termtype = TERMTYPE_VT100; - } + if(term != 0) { + if(strcasecmp(term,"VT100") == 0) { + termtype = TERMTYPE_VT100; + } + } - return(termtype); + return(termtype); } int term_settextcolor(int fg) { - if (gettermtype() == TERMTYPE_VT100) { - printf("%c[%dm", 0x1B, fg + 30); - return(0); - } - return(-1); + if(gettermtype() == TERMTYPE_VT100) { + printf("%c[%dm", 0x1B, fg + 30); + return(0); + } + return(-1); } int term_setbgcolor(int bg) { - if (gettermtype() == TERMTYPE_VT100) { - printf("%c[%dm", 0x1B, bg + 40); - return(0); - } - return(-1); + if(gettermtype() == TERMTYPE_VT100) { + printf("%c[%dm", 0x1B, bg + 40); + return(0); + } + return(-1); } int term_settextattribute(int attr) { - if (gettermtype() == TERMTYPE_VT100) { - printf("%c[%dm", 0x1B, attr); - return(0); - } - return(-1); + if(gettermtype() == TERMTYPE_VT100) { + printf("%c[%dm", 0x1B, attr); + return(0); + } + return(-1); } int term_resettext(void) { - if (gettermtype() == TERMTYPE_VT100) { - printf("%c[0m",0x1b); - return(0); - } - return(-1); + if(gettermtype() == TERMTYPE_VT100) { + printf("%c[0m",0x1b); + return(0); + } + return(-1); } /* term_getsize(): @@ -95,66 +96,73 @@ term_resettext(void) int term_getsize(int *rows, int *cols) { - int c, i, rtot, ctot; - char *semi, buf[16]; - struct elapsed_tmr tmr; - - if (gettermtype() == TERMTYPE_UNDEFINED) - return(-1); - - setenv("ROWS",0); - setenv("COLS",0); - - /* Send the "what is your terminal size?" request... - */ - printf("\E[6n"); - - /* Wait for a response that looks like: "ESC[rrr;cccR" - * where 'rrr' is the number of rows, and 'ccc' is the - * number of columns. - */ - memset(buf,0,sizeof(buf)); - startElapsedTimer(&tmr,1000); - for(i=0;i<sizeof(buf);i++) { - while (!gotachar()) { - if(msecElapsed(&tmr)) { - return(-1); - } - } - c = getchar(); - if ((i == 0) && (c != 0x1b)) { - return(-1); - } - if ((i == 1) && (c != '[')) { - return(-1); - } - if (c == 'R') - break; - buf[i] = c; - } - if (i == sizeof(buf)) { - return(-1); - } - semi = strchr(buf,';'); - if (semi == (char *)0) { - return(-1); - } - *semi = 0; - buf[i] = 0; - rtot = atoi(buf+2); - ctot = atoi(semi+1); - shell_sprintf("ROWS","%d",rtot); - shell_sprintf("COLS","%d",ctot); - if (rows) *rows = rtot; - if (cols) *cols = ctot; - return(0); + int c, i, rtot, ctot; + char *semi, buf[16]; + struct elapsed_tmr tmr; + + if(gettermtype() == TERMTYPE_UNDEFINED) { + return(-1); + } + + setenv("ROWS",0); + setenv("COLS",0); + + /* Send the "what is your terminal size?" request... + */ + printf("\E[6n"); + + /* Wait for a response that looks like: "ESC[rrr;cccR" + * where 'rrr' is the number of rows, and 'ccc' is the + * number of columns. + */ + memset(buf,0,sizeof(buf)); + startElapsedTimer(&tmr,1000); + for(i=0; i<sizeof(buf); i++) { + while(!gotachar()) { + if(msecElapsed(&tmr)) { + return(-1); + } + } + c = getchar(); + if((i == 0) && (c != 0x1b)) { + return(-1); + } + if((i == 1) && (c != '[')) { + return(-1); + } + if(c == 'R') { + break; + } + buf[i] = c; + } + if(i == sizeof(buf)) { + return(-1); + } + semi = strchr(buf,';'); + if(semi == (char *)0) { + return(-1); + } + *semi = 0; + buf[i] = 0; + rtot = atoi(buf+2); + ctot = atoi(semi+1); + shell_sprintf("ROWS","%d",rtot); + shell_sprintf("COLS","%d",ctot); + if(rows) { + *rows = rtot; + } + if(cols) { + *cols = ctot; + } + return(0); } void term_clearscreen(void) { - if (gettermtype() == TERMTYPE_VT100) - printf("\E[0J"); + if(gettermtype() == TERMTYPE_VT100) { + printf("\E[0J"); + } } #endif |