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Fix mg_get_http_var retval

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PUBLISHED_FROM=257deff5ea20302627e77a0f29cf2359276a41d4
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Alexander Alashkin authored and Cesanta Bot committed 2017-03-24 13:24:37 +00:00
1 parent af22fb7a06
commit 8b67274cc0
3 files changed
+14 -4
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mongoose.c
+10 -2
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@@ -6492,6 +6492,13 @@ int mg_get_http_var(const struct mg_str *buf, const char *name, char *dst,
size_t name_len;
int len;
/*
* According to the documentation function returns negative
* value in case of error. For debug purposes it returns:
* -1 - src is wrong (NUUL)
* -2 - dst is wrong (NULL)
* -3 - failed to decode url or dst is to small
*/
if (dst == NULL || dst_len == 0) {
len = -2;
} else if (buf->p == NULL || name == NULL || buf->len == 0) {
@@ -6500,7 +6507,7 @@ int mg_get_http_var(const struct mg_str *buf, const char *name, char *dst,
} else {
name_len = strlen(name);
e = buf->p + buf->len;
len = -1;
len = 0;
dst[0] = '\0';
for (p = buf->p; p + name_len < e; p++) {
@@ -6512,8 +6519,9 @@ int mg_get_http_var(const struct mg_str *buf, const char *name, char *dst,
s = e;
}
len = mg_url_decode(p, (size_t)(s - p), dst, dst_len, 1);
/* -1 means: failed to decode or dst is too small */
if (len == -1) {
len = -2;
len = -3;
}
break;
}