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mime: use memdup0 instead of malloc + memcpy

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Closes #12649
This commit is contained in:
Daniel Stenberg 2024-01-07 16:01:00 +01:00
parent fb414370ac
commit 8e0323b4b5
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GPG Key ID: 5CC908FDB71E12C2
1 changed files with 5 additions and 9 deletions
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14
lib/mime.c
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@ -30,6 +30,7 @@
#include "warnless.h"
#include "urldata.h"
#include "sendf.h"
#include "strdup.h"
#if !defined(CURL_DISABLE_MIME) && (!defined(CURL_DISABLE_HTTP) || \
!defined(CURL_DISABLE_SMTP) || \
@ -1370,27 +1371,22 @@ CURLcode curl_mime_filename(curl_mimepart *part, const char *filename)
/* Set mime part content from memory data. */
CURLcode curl_mime_data(curl_mimepart *part,
const char *data, size_t datasize)
const char *ptr, size_t datasize)
{
if(!part)
return CURLE_BAD_FUNCTION_ARGUMENT;
cleanup_part_content(part);
if(data) {
if(ptr) {
if(datasize == CURL_ZERO_TERMINATED)
datasize = strlen(data);
datasize = strlen(ptr);
part->data = malloc(datasize + 1);
part->data = Curl_memdup0(ptr, datasize);
if(!part->data)
return CURLE_OUT_OF_MEMORY;
part->datasize = datasize;
if(datasize)
memcpy(part->data, data, datasize);
part->data[datasize] = '\0'; /* Set a null terminator as sentinel. */
part->readfunc = mime_mem_read;
part->seekfunc = mime_mem_seek;
part->freefunc = mime_mem_free;