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try again: fixed config parser

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This commit is contained in:
albert 2002-12-04 02:02:37 +00:00
parent cec50aa831
commit 9547892b71
1 changed files with 64 additions and 50 deletions
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110
top.c
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@ -1078,6 +1078,7 @@ static FTAB_t Fieldstab[] = {
#else
{ "ZzZz", "Flags ", "%08lx ", -1, -1, SF(FLG), "Task Flags <sched.h>", L_stat },
#endif
#if 0
{ "..Qq", " A ", "%4.4s ", 4, SK_no, SF(PID), "Accessed Page count", L_stat },
{ "..Nn", " TRS ", "%4.4s ", 4, SK_Kb, SF(PID), "Code in memory (kb)", L_stat },
{ "..Rr", " WP ", "%4.4s ", 4, SK_no, SF(PID), "Unwritable Pages", L_stat },
@ -1085,6 +1086,7 @@ static FTAB_t Fieldstab[] = {
{ "..\\|","Bad ", "%2u ", -1, -1, SF(CPN), "-- must ignore | --", 0 },
{ "..]}", "Bad ", "%2u ", -1, -1, SF(CPN), "-- not used --", 0 },
{ "..^~", "Bad ", "%2u ", -1, -1, SF(CPN), "-- not used --", 0 },
#endif
};
#undef SF
@ -1234,54 +1236,76 @@ static void print_rc (const RCF_t *const rc){
static int read_config_rik (const char * const fbuf, ssize_t num, RCF_t * const rc)
{
int i;
int cnt;
unsigned u;
const char *cp;
unsigned c_show = 0;
unsigned C_show = 0;
int badchar = 0; // allow a limited number of duplicates and junk
char scoreboard[256];
memset(scoreboard, '\0', sizeof scoreboard);
(void)num;
cp = fbuf+2; // skip the "\n\n" we stuck at the beginning
cnt = strspn(cp,"AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz[{\\|]}^~");
if(cnt<22) return -1; // catch junk, but not good files (had 25 chars in one)
if(cnt>37) return -1; // catch junk, but not good files (had 29 chars in one)
if(cp[cnt] != '\n') return -2;
i = cnt;
rc->win[0].fieldscur[i] = '\0';
memset(scoreboard, '\0', sizeof scoreboard);
while (i--) { // go over each letter of the format string
int c = cp[i] & 0xffu;
int C = rik_to_jim(c);
// fprintf(stderr, "0x%02x -> 0x%02x, <%c> -> <%c>, %d\n",
// c,C,c,C,badchar); // debug
u = 0;
for(;;){
if(u+1 >= sizeof rc->win[0].fieldscur) return -1;
int c = *cp++;
if(c=='\0') return -2;
if(c=='\n') break;
if (c & ~0x7f) return -3;
if (~c & 0x20) c_show |= 1 << (c & 0x1f); // 0x20 means lowercase means hidden
if(scoreboard[c|0xe0u]) badchar++; // duplicates not allowed
// fprintf(stderr, "badchar=<%c> 0x%02x\n",badchar, (unsigned char)badchar); for(;;); // debug
scoreboard[c|0xe0u] = 1;
if (C) {
if (~C & 0x20) C_show |= 1 << (C & 0x1f); // 0x20 means lowercase means hidden
if(scoreboard[C&0x1fu]) badchar++; // duplicates not allowed
scoreboard[C&0x1fu] = 1;
scoreboard[c|0xe0u]++;
if(c=='|') continue; // Rik's top ships with a garbage character
if(c=='[') c='Y'; // Rik's top ships with 3x of "#C"
if(c=='{') c='y'; // another one... and '}' to please Jim's editor
if(c=='n') continue; // unimplemented
if(c=='N') continue; // unimplemented
if(c=='q') continue; // unimplemented
if(c=='Q') continue; // unimplemented
if(c=='r') continue; // unimplemented
if(c=='R') continue; // unimplemented
c = rik_to_jim(c);
if(!c) return -4; // error value
if(c=='.') return -5; // error value
if(scoreboard[c&0x1fu]) badchar++; // duplicates not allowed
scoreboard[c&0x1fu]++;
rc->win[0].fieldscur[u++] = c;
}
rc->win[0].fieldscur[u++] = '\0';
if(u<21) return -6; // catch junk, but not good files (had 23 chars in one)
if(u>33) return -7; // catch junk, but not good files (had 29 chars in one)
//fprintf(stderr,"badchar: %d\n",badchar); sleep(2);
if(badchar>3) return -8; // too much junk
if (!c_show) return -9; // nothing was shown
// Due to Rik blindly accepting damem's broken patches, procps-2.0.10
// has 3 ("three"!!!) instances of "#C", "LC", or "CPU". Fix that here.
// Some people are maintainers, and others are human patchbots.
// The 'y' and 'Y' above have become 'j' and 'J' after translation.
if(scoreboard['j' & 0x1fu] > 1){ // more than one "#C" column
int letter;
char *fields = rc->win[0].fieldscur;
char *tmp = strchr(fields,'J');
if (tmp) {
*tmp='.'; // save one by hiding it
letter = 'J';
} else {
badchar++;
C = '.'; // a value we hope will be ignored on output
tmp = strchr(fields,'j');
*tmp='.';
letter = 'j';
}
rc->win[0].fieldscur[i] = C;
while (( tmp=strchr(fields,'J') )) *tmp='j'; // cannonicalize it
while (( tmp=strchr(fields,'j') )) {
char *dst = tmp;
char *src = tmp+1;
int n = strlen(src) + 1;
memmove(dst,src,n);
}
tmp = strchr(fields,'.'); // find back saved spot
*tmp = letter;
}
// fprintf(stderr, "badchar=%d\n",badchar); for(;;); // debug
if (badchar > 4) return -9; // Rik messed up his format string, so allow 4
if (!c_show) return -10; // nothing was shown
if (!C_show) return -11; // nothing will be shown
//fprintf(stderr,"converted <%s>\n",rc->win[0].fieldscur);
//for(;;);
cp += cnt;
cp++; // go past newline which we already checked
// rest of file is optional, but better look right if it exists
if (!*cp) return 12;
@ -1374,18 +1398,6 @@ static int read_config_jim (const char * const fbuf, ssize_t num, RCF_t * const
int cnt;
const char *cp;
(void)num;
#if 0
if (fp) {
fbuf[0] = '\0';
fgets(fbuf, sizeof(fbuf), fp); /* sys rc file, line #1 */
if (strchr(fbuf, 's')) Secure_mode = 1;
fbuf[0] = '\0';
fgets(fbuf, sizeof(fbuf), fp); /* sys rc file, line #2 */
fclose(fp);
sscanf(fbuf, "%f", &Delay_time);
}
#endif
cp = strstr(fbuf,"\n\nRCfile for ");
if (!cp) return -1;
@ -1461,10 +1473,12 @@ static void configs_read (void)
fbuf[1] = '\n';
num = read(fd, fbuf+2, sizeof(fbuf)-3);
if (num>0) {
//int i;
fbuf[num+2] = '\0';
// fprintf(stderr, "%d\n", read_config_rik(fbuf,num,&usr_rcfile)); for(;;);
if (read_config_rik(fbuf,num,&usr_rcfile) > 0) Crufty_config = 1;
else memcpy(&usr_rcfile, &RCf_Defaults, sizeof(usr_rcfile)); // maybe mangled
//if(i<=0){ fprintf(stderr,"FAILURE: read_config_rik returned %d\n",i); for(;;); }
read_config_jim(fbuf,num,&usr_rcfile);
}
close(fd);
@ -1490,8 +1504,8 @@ static void configs_read (void)
} else {
Delay_time = usr_rcfile.Delay_time;
}
print_rc(&sys_rcfile);
print_rc(&usr_rcfile);
//print_rc(&sys_rcfile);
//print_rc(&usr_rcfile);
}
static void write_config_rik(FILE *fp, const RCF_t * const rc){