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SCP: Coverity fixes

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This commit is contained in:
Mark Pizzolato 2022-03-09 15:53:10 -08:00
parent a1a916f819
commit e3dbe93e35
1 changed files with 40 additions and 36 deletions
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32
scp.c
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@ -2911,15 +2911,16 @@ if (cptr == NULL) {
else
cptr2 = NULL;
docmdp = find_cmd ("DO");
if (docmdp && cptr && (sizeof (nbuf) > strlen (cptr) + strlen ("/simh.ini") + 3)) {
if (docmdp) {
if (cptr && (sizeof (nbuf) > strlen (cptr) + strlen ("/simh.ini") + 3)) {
snprintf(nbuf, sizeof (nbuf), "\"%s%s%ssimh.ini\"", cptr2 ? cptr2 : "", cptr, strchr (cptr, '/') ? "/" : "\\");
stat = docmdp->action (-1, nbuf); /* simh.ini proc cmd file */
}
if (SCPE_BARE_STATUS(stat) == SCPE_OPENERR)
if (SCPE_BARE_STATUS(stat) == SCPE_OPENERR)
stat = docmdp->action (-1, "simh.ini"); /* simh.ini proc cmd file */
if (*cbuf) /* cmd file arg? */
if (*cbuf) /* cmd file arg? */
stat = docmdp->action (0, cbuf); /* proc cmd file */
else {
else {
if (*argv[0]) { /* sim name arg? */
char *np; /* "path.ini" */
nbuf[0] = '"'; /* starting " */
@ -2941,6 +2942,7 @@ else {
}
}
}
}
if (SCPE_BARE_STATUS(stat) == SCPE_OPENERR) /* didn't exist/can't open? */
stat = SCPE_OK;
@ -4301,24 +4303,26 @@ t_stat sim_call_argv (int (*main_like_routine)(int argc, char *argv[]), const ch
{
int argc = 1;
char **argv = (char **)calloc ((1 + argc), sizeof (*argv));
size_t cptr_len = strlen (cptr);
char *argline = (char *)malloc (2 + 2 * cptr_len);
size_t arg_size;
char *argline = NULL;
char *cp, quote;
t_stat result = SCPE_OK;
if ((argv == NULL) || (argline == NULL)) {
free (argv);
free (argline);
return SCPE_MEM;
}
if (cptr == NULL) {
free (argv);
free (argline);
return SCPE_ARG;
}
strcpy (argline, cptr);
cp = argline + cptr_len + 1;
strcpy (cp, cptr);
arg_size = 2 + (2 * strlen (cptr));
argline = (char *)malloc (arg_size);
if ((argv == NULL) || (argline == NULL)) {
free (argv);
free (argline);
return SCPE_MEM;
}
strlcpy (argline, cptr, arg_size);
cp = argline + (arg_size / 2);
strlcpy (cp, cptr, arg_size / 2);
argv[0] = argline; /* argv[0] points to unparsed arguments */
argv[argc + 1] = NULL; /* make sure the argument list always ends with a NULL */
while (*cp) {