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c_parse_uri: Handle out of memory condition with ENOMEM.

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Fixes https://open.cryptomilk.org/issues/13

Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Klaas Freitag 2013-07-08 09:52:13 +02:00 committed by Andreas Schneider
parent bf6a0ea68e
commit 0682dfbc38
1 changed files with 50 additions and 1 deletions
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51
src/std/c_path.c
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@ -184,8 +184,12 @@ int c_parse_uri(const char *uri,
if (*p == ':') { if (*p == ':') {
if (scheme != NULL) { if (scheme != NULL) {
*scheme = c_strndup(z, p - z); *scheme = c_strndup(z, p - z);
}
if (*scheme == NULL) {
errno = ENOMEM;
return -1;
}
}
p++; p++;
z = p; z = p;
} }
@ -238,15 +242,31 @@ int c_parse_uri(const char *uri,
if (*q == ':') { if (*q == ':') {
if (user != NULL) { if (user != NULL) {
*user = c_strndup(z, q - z); *user = c_strndup(z, q - z);
if (*user == NULL) {
errno = ENOMEM;
if (scheme != NULL) SAFE_FREE(*scheme);
return -1;
}
} }
if (passwd != NULL) { if (passwd != NULL) {
*passwd = c_strndup(q + 1, p - (q + 1)); *passwd = c_strndup(q + 1, p - (q + 1));
if (*passwd == NULL) {
if (scheme != NULL) SAFE_FREE(*scheme);
if (user != NULL) SAFE_FREE(*user);
errno = ENOMEM;
return -1;
}
} }
} else { } else {
/* user only */ /* user only */
if (user != NULL) { if (user != NULL) {
*user = c_strndup(z, p - z); *user = c_strndup(z, p - z);
if( *user == NULL) {
if (scheme != NULL) SAFE_FREE(*scheme);
errno = ENOMEM;
return -1;
}
} }
} }
@ -291,6 +311,13 @@ int c_parse_uri(const char *uri,
if (host != NULL) { if (host != NULL) {
*host = c_strndup(z, p - z); *host = c_strndup(z, p - z);
if (*host == NULL) {
if (scheme != NULL) SAFE_FREE(*scheme);
if (user != NULL) SAFE_FREE(*user);
if (passwd != NULL) SAFE_FREE(*passwd);
errno = ENOMEM;
return -1;
}
} }
/* /*
@ -314,6 +341,13 @@ int c_parse_uri(const char *uri,
if (host != NULL) { if (host != NULL) {
*host = c_strndup(z, p - z); *host = c_strndup(z, p - z);
if (*host == NULL) {
if (scheme != NULL) SAFE_FREE(*scheme);
if (user != NULL) SAFE_FREE(*user);
if (passwd != NULL) SAFE_FREE(*passwd);
errno = ENOMEM;
return -1;
}
} }
} }
} else { } else {
@ -329,6 +363,13 @@ int c_parse_uri(const char *uri,
if (host != NULL) { if (host != NULL) {
*host = c_strndup(z, p - z); *host = c_strndup(z, p - z);
if (*host == NULL) {
if (scheme != NULL) SAFE_FREE(*scheme);
if (user != NULL) SAFE_FREE(*user);
if (passwd != NULL) SAFE_FREE(*passwd);
errno = ENOMEM;
return -1;
}
} }
} }
@ -372,6 +413,14 @@ int c_parse_uri(const char *uri,
if (*p == '/') { if (*p == '/') {
if (path != NULL) { if (path != NULL) {
*path = c_strdup(p); *path = c_strdup(p);
if (*path == NULL) {
if (scheme != NULL) SAFE_FREE(*scheme);
if (user != NULL) SAFE_FREE(*user);
if (passwd != NULL) SAFE_FREE(*passwd);
if (host != NULL) SAFE_FREE(*host);
errno = ENOMEM;
return -1;
}
} }
return 0; return 0;