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SCP: Allow command files to contain UTF-8 data.

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- Ignore a UTF_BOM sequence at the beginning of command files.
- Provide a sim_isspace() which makes sure that isspace only considers the character being examined as an unsigned char.
This commit is contained in:
Mark Pizzolato 2015-01-04 06:59:56 -08:00
parent fe43187cde
commit 256bbdddc9
2 changed files with 31 additions and 23 deletions
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53
scp.c
View file

@ -2629,7 +2629,7 @@ errabort = sim_switches & SWMASK ('E'); /* -e means abort on err
c = fcptr;
do_arg[10] = NULL; /* make sure the argument list always ends with a NULL */
for (nargs = 0; nargs < 10; ) { /* extract arguments */
while (isspace (*c)) /* skip blanks */
while (sim_isspace (*c)) /* skip blanks */
c++;
if (*c == 0) /* all done? */
do_arg [nargs++] = NULL; /* null argument */
@ -2638,7 +2638,7 @@ for (nargs = 0; nargs < 10; ) { /* extract arguments */
quote = *c++;
else quote = 0;
do_arg[nargs++] = c; /* save start */
while (*c && (quote ? (*c != quote) : !isspace (*c)))
while (*c && (quote ? (*c != quote) : !sim_isspace (*c)))
c++;
if (*c) /* term at quote/spc */
*c++ = 0;
@ -2867,7 +2867,7 @@ tmnow = localtime(&now);
tmpbuf = (char *)malloc(instr_size);
op = tmpbuf;
oend = tmpbuf + instr_size - 2;
while (isspace (*ip)) /* skip leading spaces */
while (sim_isspace (*ip)) /* skip leading spaces */
*op++ = *ip++;
istart = ip;
for (; *ip && (op < oend); ) {
@ -3182,7 +3182,7 @@ if (*cptr == '"') { /* quoted string compari
if (!*tptr)
return SCPE_2FARG;
cptr += strlen (gbuf);
while (isspace (*cptr)) /* skip spaces */
while (sim_isspace (*cptr)) /* skip spaces */
++cptr;
get_glyph (cptr, op, '"');
for (optr = compare_ops; optr->op; optr++)
@ -3191,7 +3191,7 @@ if (*cptr == '"') { /* quoted string compari
if (!optr->op)
return sim_messagef (SCPE_ARG, "Invalid operator: %s\n", op);
cptr += strlen (op);
while (isspace (*cptr)) /* skip spaces */
while (sim_isspace (*cptr)) /* skip spaces */
++cptr;
cptr = (char *)get_glyph_gen (cptr, gbuf2, 0, (sim_switches & SWMASK ('I')), TRUE, '\\');/* get second string */
if (*cptr) { /* more? */
@ -3454,7 +3454,7 @@ while (1) {
if (*cptr == 0) continue; /* ignore blank */
if (*cptr != ':') continue; /* ignore non-labels */
++cptr; /* skip : */
while (isspace (*cptr)) ++cptr; /* skip blanks */
while (sim_isspace (*cptr)) ++cptr; /* skip blanks */
cptr = get_glyph (cptr, gbuf, 0); /* get label glyph */
if (0 == strcmp(gbuf, gbuf1)) {
sim_brk_clract (); /* goto defangs current actions */
@ -3735,7 +3735,7 @@ else {
if (mptr->mstring && (MATCH_CMD (gbuf, mptr->mstring) == 0)) {
dptr = sim_dflt_dev;
cptr = svptr;
while (isspace(*cptr))
while (sim_isspace(*cptr))
++cptr;
break;
}
@ -4002,7 +4002,7 @@ else {
dptr = sim_dflt_dev;
lvl = MTAB_VDV; /* device match */
cptr = svptr;
while (isspace(*cptr))
while (sim_isspace(*cptr))
++cptr;
break;
}
@ -4685,7 +4685,7 @@ if (*cptr == '\0')
cptr = "./*";
strcpy (WildName, cptr);
cptr = WildName;
while (strlen(WildName) && isspace(WildName[strlen(WildName)-1]))
while (strlen(WildName) && sim_isspace(WildName[strlen(WildName)-1]))
WildName[strlen(WildName)-1] = '\0';
if ((!stat (WildName, &filestat)) && (filestat.st_mode & S_IFDIR))
strcat (WildName, "/*");
@ -4697,7 +4697,7 @@ if ((*cptr != '/') || (0 == memcmp (cptr, "./", 2)) || (0 == memcmp (cptr, "../"
#endif
strcat (WholeName, "/");
strcat (WholeName, cptr);
while (strlen(WholeName) && isspace(WholeName[strlen(WholeName)-1]))
while (strlen(WholeName) && sim_isspace(WholeName[strlen(WholeName)-1]))
WholeName[strlen(WholeName)-1] = '\0';
}
while ((c = strstr (WholeName, "/./")))
@ -6814,7 +6814,9 @@ for (tptr = cptr; tptr < (cptr + size); tptr++) { /* remove cr or nl */
break;
}
}
while (isspace (*cptr)) /* trim leading spc */
if (0 == memcmp (cptr, "\xEF\xBB\xBF", 3)) /* Skip/ignore UTF8_BOM */
memmove (cptr, cptr + 3, strlen (cptr + 3));
while (sim_isspace (*cptr)) /* trim leading spc */
cptr++;
if ((*cptr == ';') || (*cptr == '#')) { /* ignore comment */
if (sim_do_echo) /* echo comments if -v */
@ -6854,7 +6856,7 @@ t_bool escaping = FALSE;
char quote_char = 0;
while ((*iptr != 0) &&
((quote && quoting) || ((isspace (*iptr) == 0) && (*iptr != mchar)))) {
((quote && quoting) || ((sim_isspace (*iptr) == 0) && (*iptr != mchar)))) {
if (quote) {
if (quoting) {
if (!escaping) {
@ -6882,7 +6884,7 @@ while ((*iptr != 0) &&
*optr = 0;
if (mchar && (*iptr == mchar)) /* skip terminator */
iptr++;
while (isspace (*iptr)) /* absorb spaces */
while (sim_isspace (*iptr)) /* absorb spaces */
iptr++;
return iptr;
}
@ -6915,11 +6917,16 @@ char *sim_trim_endspc (char *cptr)
char *tptr;
tptr = cptr + strlen (cptr);
while ((--tptr >= cptr) && isspace (*tptr))
while ((--tptr >= cptr) && sim_isspace (*tptr))
*tptr = 0;
return cptr;
}
int sim_isspace (char c)
{
return isspace ((unsigned char)c);
}
/* get_yn yes/no question
Inputs:
@ -6963,7 +6970,7 @@ val = strtotv (cptr, &tptr, radix);
if ((cptr == tptr) || (val > max))
*status = SCPE_ARG;
else {
while (isspace (*tptr)) tptr++;
while (sim_isspace (*tptr)) tptr++;
if (*tptr != 0)
*status = SCPE_ARG;
}
@ -7477,7 +7484,7 @@ int32 sw;
if (*cptr != '-')
return 0;
sw = 0;
for (cptr++; (isspace (*cptr) == 0) && (*cptr != 0); cptr++) {
for (cptr++; (sim_isspace (*cptr) == 0) && (*cptr != 0); cptr++) {
if (isalpha (*cptr) == 0)
return -1;
sw = sw | SWMASK (toupper (*cptr));
@ -7868,7 +7875,7 @@ uint32 c, digit;
*endptr = (char *)inptr; /* assume fails */
if ((radix < 2) || (radix > 36))
return 0;
while (isspace (*inptr)) /* bypass white space */
while (sim_isspace (*inptr)) /* bypass white space */
inptr++;
val = 0;
nodigit = 1;
@ -8607,7 +8614,7 @@ size_t lnt;
if (sim_brk_act[sim_do_depth] == NULL) /* any action? */
return NULL;
while (isspace (*sim_brk_act[sim_do_depth])) /* skip spaces */
while (sim_isspace (*sim_brk_act[sim_do_depth])) /* skip spaces */
sim_brk_act[sim_do_depth]++;
if (*sim_brk_act[sim_do_depth] == 0) { /* now empty? */
return sim_brk_clract ();
@ -8732,7 +8739,7 @@ if (*cptr == '[') {
if ((cptr == c1ptr) || (*c1ptr != ']'))
return sim_messagef (SCPE_ARG, "Invalid Repeat count specification\n");
cptr = (char *)(c1ptr + 1);
while (isspace(*cptr))
while (sim_isspace(*cptr))
++cptr;
}
tptr = get_glyph (cptr, gbuf, ',');
@ -8920,7 +8927,7 @@ if (ep->act) { /* replace old action? *
free (ep->act); /* deallocate */
ep->act = NULL; /* now no action */
}
if (act) while (isspace(*act)) ++act; /* skip leading spaces in action string */
if (act) while (sim_isspace(*act)) ++act; /* skip leading spaces in action string */
if ((act != NULL) && (*act != 0)) { /* new action? */
char *newp = (char *) calloc (strlen (act)+1, sizeof (*act)); /* alloc buf */
if (newp == NULL) /* mem err? */
@ -9803,7 +9810,7 @@ for (hblock = astrings; (htext = *hblock) != NULL; hblock++) {
const char *start;
help_where.line++;
if (isspace (*htext) || *htext == '+') {/* Topic text, indented topic text */
if (sim_isspace (*htext) || *htext == '+') {/* Topic text, indented topic text */
if (excluded) { /* Excluded topic text */
while (*htext && *htext != '\n')
htext++;
@ -9820,7 +9827,7 @@ for (hblock = astrings; (htext = *hblock) != NULL; hblock++) {
htext++;
}
}
while (*htext && *htext != '\n' && isspace (*htext))
while (*htext && *htext != '\n' && sim_isspace (*htext))
htext++;
if (!*htext) /* Empty after removing leading spaces */
break;
@ -9922,7 +9929,7 @@ for (hblock = astrings; (htext = *hblock) != NULL; hblock++) {
FAIL (SCPE_ARG, Level not contiguous, htext); /* E.g. 1 3, not reasonable */
}
}
while (*htext && (*htext != '\n') && isspace (*htext))
while (*htext && (*htext != '\n') && sim_isspace (*htext))
htext++;
if (!*htext || (*htext == '\n')) { /* Name missing */
FAIL (SCPE_ARG, Missing topic name, htext);

1
scp.h
View file

@ -125,6 +125,7 @@ t_stat reset_all_p (uint32 start_device);
char *sim_dname (DEVICE *dptr);
char *sim_uname (UNIT *dptr);
t_stat get_yn (char *ques, t_stat deflt);
int sim_isspace (char c);
char *get_sim_opt (int32 opt, char *cptr, t_stat *st);
char *get_glyph (const char *iptr, char *optr, char mchar);
char *get_glyph_nc (const char *iptr, char *optr, char mchar);