1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130
|
#include "readwrite.h"
#include "open.h"
#include "getln.h"
#include "stralloc.h"
#include "substdio.h"
#include "error.h"
#include "control.h"
#include "alloc.h"
#include "scan.h"
static char inbuf[64];
static stralloc line = {0};
static stralloc me = {0};
static int meok = 0;
static void striptrailingwhitespace(sa)
stralloc *sa;
{
while (sa->len > 0)
switch(sa->s[sa->len - 1])
{
case '\n': case ' ': case '\t':
--sa->len;
break;
default:
return;
}
}
int control_init()
{
int r;
r = control_readline(&me,"control/me");
if (r == 1) meok = 1;
return r;
}
int control_rldef(sa,fn,flagme,def)
stralloc *sa;
char *fn;
int flagme;
char *def;
{
int r;
r = control_readline(sa,fn);
if (r) return r;
if (flagme) if (meok) return stralloc_copy(sa,&me) ? 1 : -1;
if (def) return stralloc_copys(sa,def) ? 1 : -1;
return r;
}
int control_readline(sa,fn)
stralloc *sa;
char *fn;
{
substdio ss;
int fd;
int match;
fd = open_read(fn);
if (fd == -1) { if (errno == error_noent) return 0; return -1; }
substdio_fdbuf(&ss,read,fd,inbuf,sizeof(inbuf));
if (getln(&ss,sa,&match,'\n') == -1) { close(fd); return -1; }
striptrailingwhitespace(sa);
close(fd);
return 1;
}
int control_readint(i,fn)
int *i;
char *fn;
{
unsigned long u;
switch(control_readline(&line,fn))
{
case 0: return 0;
case -1: return -1;
}
if (!stralloc_0(&line)) return -1;
if (!scan_ulong(line.s,&u)) return 0;
*i = u;
return 1;
}
int control_readfile(sa,fn,flagme)
stralloc *sa;
char *fn;
int flagme;
{
substdio ss;
int fd;
int match;
if (!stralloc_copys(sa,"")) return -1;
fd = open_read(fn);
if (fd == -1)
{
if (errno == error_noent)
{
if (flagme && meok)
{
if (!stralloc_copy(sa,&me)) return -1;
if (!stralloc_0(sa)) return -1;
return 1;
}
return 0;
}
return -1;
}
substdio_fdbuf(&ss,read,fd,inbuf,sizeof(inbuf));
for (;;)
{
if (getln(&ss,&line,&match,'\n') == -1) break;
if (!match && !line.len) { close(fd); return 1; }
striptrailingwhitespace(&line);
if (!stralloc_0(&line)) break;
if (line.s[0])
if (line.s[0] != '#')
if (!stralloc_cat(sa,&line)) break;
if (!match) { close(fd); return 1; }
}
close(fd);
return -1;
}
|