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mirror of https://github.com/moparisthebest/curl synced 2024-12-21 15:48:49 -05:00

better detect if/when curl_slist_append() returns failure, and bail out

accordingly
This commit is contained in:
Daniel Stenberg 2004-05-10 14:04:35 +00:00
parent 5dcab07c54
commit 329f17ac7c

View File

@ -951,6 +951,7 @@ typedef enum {
PARAM_GOT_EXTRA_PARAMETER,
PARAM_BAD_NUMERIC,
PARAM_LIBCURL_DOESNT_SUPPORT,
PARAM_NO_MEM,
PARAM_LAST
} ParameterError;
@ -972,6 +973,8 @@ static const char *param2text(int res)
return "expected a proper numerical parameter";
case PARAM_LIBCURL_DOESNT_SUPPORT:
return "the installed libcurl version doesn't support this";
case PARAM_NO_MEM:
return "out of memory";
default:
return "unknown error";
}
@ -1085,6 +1088,18 @@ static void checkpasswd(const char *kind, /* for what purpose */
}
}
static ParameterError add2list(struct curl_slist **list,
char *ptr)
{
struct curl_slist *newlist = curl_slist_append(*list, ptr);
if(newlist)
*list = newlist;
else
return PARAM_NO_MEM;
return PARAM_OK;
}
static ParameterError getparameter(char *flag, /* f or -long-flag */
char *nextarg, /* NULL if unset */
bool *usedarg, /* set to TRUE if the arg
@ -1100,7 +1115,7 @@ static ParameterError getparameter(char *flag, /* f or -long-flag */
int hit=-1;
bool longopt=FALSE;
bool singleopt=FALSE; /* when true means '-o foo' used '-ofoo' */
ParameterError err;
/* single-letter,
long-name,
@ -1694,7 +1709,9 @@ static ParameterError getparameter(char *flag, /* f or -long-flag */
return PARAM_HELP_REQUESTED;
case 'H':
/* A custom header to append to a list */
config->headers = curl_slist_append(config->headers, nextarg);
err = add2list(&config->headers, nextarg);
if(err)
return err;
break;
case 'i':
config->conf ^= CONF_HEADER; /* include the HTTP header as well */
@ -1822,20 +1839,24 @@ static ParameterError getparameter(char *flag, /* f or -long-flag */
break;
case 'Q':
/* QUOTE command to send to FTP server */
err = PARAM_OK;
switch(nextarg[0]) {
case '-':
/* prefixed with a dash makes it a POST TRANSFER one */
nextarg++;
config->postquote = curl_slist_append(config->postquote, nextarg);
err = add2list(&config->postquote, nextarg);
break;
case '+':
/* prefixed with a plus makes it a just-before-transfer one */
nextarg++;
config->prequote = curl_slist_append(config->prequote, nextarg);
err = add2list(&config->prequote, nextarg);
break;
default:
config->quote = curl_slist_append(config->quote, nextarg);
err = add2list(&config->quote, nextarg);
break;
}
if(err)
return err;
break;
case 'r':
/* byte range requested */
@ -1856,8 +1877,9 @@ static ParameterError getparameter(char *flag, /* f or -long-flag */
break;
case 't':
/* Telnet options */
config->telnet_options =
curl_slist_append(config->telnet_options, nextarg);
err = add2list(&config->telnet_options, nextarg);
if(err)
return err;
break;
case 'T':
/* we are uploading */