size_t span;
const char *param_place = NULL;
char *certname_place = NULL;
+ *certname = NULL;
*passphrase = NULL;
/* most trivial assumption: cert_parameter is empty */
- if(param_length == 0) {
- *certname = NULL;
+ if(param_length == 0)
return;
- }
+
/* next less trivial: cert_parameter contains no colon nor backslash; this
* means no passphrase was given and no characters escaped */
if(!strpbrk(cert_parameter, ":\\")) {
return;
}
/* deal with escaped chars; find unescaped colon if it exists */
- *certname = (char *) malloc(param_length + 1);
- param_place = cert_parameter;
- certname_place = *certname;
+ certname_place = malloc(param_length + 1);
+ if(!certname_place)
+ return;
+
+ *certname = certname_place;
param_place = cert_parameter;
while(*param_place) {
span = strcspn(param_place, ":\\");
strncpy(certname_place, param_place, span);
param_place += span;
certname_place += span;
- *certname_place = '\0';
/* we just ate all the non-special chars. now we're on either a special
* char or the end of the string. */
switch(*param_place) {
if(strlen(param_place) > 0) {
*passphrase = strdup(param_place);
}
- return;
+ goto done;
}
}
+done:
+ *certname_place = '\0';
}
ParameterError getparameter(char *flag, /* f or -long-flag */