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http_chunks: replace a strofft call with curl_str_hex

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Make it not skip leading blanks. There should not be any.

Closes #16546
This commit is contained in:
Daniel Stenberg 2025-02-27 23:12:01 +01:00
parent aa18891dda
commit 324b439634
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GPG key ID: 5CC908FDB71E12C2
1 changed files with 5 additions and 4 deletions
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9
lib/http_chunks.c
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@ -34,7 +34,7 @@
#include "content_encoding.h"
#include "http.h"
#include "multiif.h"
#include "strtoofft.h"
#include "strparse.h"
#include "warnless.h"
/* The last #include files should be: */
@ -158,6 +158,7 @@ static CURLcode httpchunk_readwrite(struct Curl_easy *data,
(*pconsumed)++;
}
else {
const char *p;
if(0 == ch->hexindex) {
/* This is illegal data, we received junk where we expected
a hexadecimal digit. */
@ -166,11 +167,11 @@ static CURLcode httpchunk_readwrite(struct Curl_easy *data,
ch->last_code = CHUNKE_ILLEGAL_HEX;
return CURLE_RECV_ERROR;
}
/* blen and buf are unmodified */
ch->hexbuffer[ch->hexindex] = 0;
if(curlx_strtoofft(ch->hexbuffer, NULL, 16, &ch->datasize)) {
failf(data, "chunk hex-length not valid: '%s'", ch->hexbuffer);
p = &ch->hexbuffer[0];
if(Curl_str_hex(&p, &ch->datasize, CURL_OFF_T_MAX)) {
failf(data, "invalid chunk size: '%s'", ch->hexbuffer);
ch->state = CHUNK_FAILED;
ch->last_code = CHUNKE_ILLEGAL_HEX;
return CURLE_RECV_ERROR;