| 1 | /* $NetBSD: fmt.c,v 1.21 2007/12/12 22:55:43 lukem Exp $ */ |
|---|---|
| 2 | |
| 3 | #include <sys/cdefs.h> |
| 4 | __RCSID("$NetBSD: fmt.c,v 1.21 2007/12/12 22:55:43 lukem Exp $"); |
| 5 | |
| 6 | #include <kvm.h> |
| 7 | #include <stdio.h> |
| 8 | #include <stdlib.h> |
| 9 | #include <string.h> |
| 10 | #include <unistd.h> |
| 11 | #include <vis.h> |
| 12 | #include <sys/time.h> |
| 13 | #include <sys/resource.h> |
| 14 | #include "ps.h" |
| 15 | |
| 16 | void |
| 17 | fmt_puts(char *s, int *leftp) |
| 18 | { |
| 19 | static char *v = 0; |
| 20 | static int maxlen = 0; |
| 21 | char *nv; |
| 22 | int len, nlen; |
| 23 | |
| 24 | if (*leftp == 0) |
| 25 | return; |
| 26 | len = strlen(s) * 4 + 1; |
| 27 | if (len > maxlen) { |
| 28 | if (maxlen == 0) |
| 29 | nlen = getpagesize(); |
| 30 | else |
| 31 | nlen = maxlen; |
| 32 | while (len > nlen) |
| 33 | nlen *= 2; |
| 34 | nv = realloc(v, nlen); |
| 35 | if (nv == 0) |
| 36 | return; |
| 37 | v = nv; |
| 38 | maxlen = nlen; |
| 39 | } |
| 40 | len = strvis(v, s, VIS_TAB | VIS_NL | VIS_CSTYLE); |
| 41 | if (*leftp != -1) { |
| 42 | if (len > *leftp) { |
| 43 | v[*leftp] = '\0'; |
| 44 | *leftp = 0; |
| 45 | } else |
| 46 | *leftp -= len; |
| 47 | } |
| 48 | (void)printf("%s", v); |
| 49 | } |
| 50 | |
| 51 | void |
| 52 | fmt_putc(int c, int *leftp) |
| 53 | { |
| 54 | |
| 55 | if (*leftp == 0) |
| 56 | return; |
| 57 | if (*leftp != -1) |
| 58 | *leftp -= 1; |
| 59 | putchar(c); |
| 60 | } |
| 61 |