docs/examples: adjust prototypes for CURLOPT_READFUNCTION

The type of the buffer in curl_read_callback is 'char *', not 'void *'.

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Closes #6392

15 files changed, 15 insertions, 15 deletions

diff --git a/docs/examples/anyauthput.c b/docs/examples/anyauthput.c
index e56d1d970..47b713a6c 100644
--- a/docs/examples/anyauthput.c
+++ b/docs/examples/anyauthput.c
@@ -78,7 +78,7 @@ static curlioerr my_ioctl(CURL *handle, curliocmd cmd, void *userp)
 }
 
 /* read callback function, fread() look alike */
-static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *stream)
+static size_t read_callback(char *ptr, size_t size, size_t nmemb, void *stream)
 {
   ssize_t retcode;
   curl_off_t nread;
diff --git a/docs/examples/curlgtk.c b/docs/examples/curlgtk.c
index 5990799eb..02b600d9c 100644
--- a/docs/examples/curlgtk.c
+++ b/docs/examples/curlgtk.c
@@ -24,7 +24,7 @@ size_t my_write_func(void *ptr, size_t size, size_t nmemb, FILE *stream)
   return fwrite(ptr, size, nmemb, stream);
 }
 
-size_t my_read_func(void *ptr, size_t size, size_t nmemb, FILE *stream)
+size_t my_read_func(char *ptr, size_t size, size_t nmemb, FILE *stream)
 {
   return fread(ptr, size, nmemb, stream);
 }
diff --git a/docs/examples/ftpupload.c b/docs/examples/ftpupload.c
index 15dfec7bd..7ed7634ae 100644
--- a/docs/examples/ftpupload.c
+++ b/docs/examples/ftpupload.c
@@ -48,7 +48,7 @@
    DLL, you MUST also provide a read callback with CURLOPT_READFUNCTION.
    Failing to do so will give you a crash since a DLL may not use the
    variable's memory when passed in to it from an app like this. */
-static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *stream)
+static size_t read_callback(char *ptr, size_t size, size_t nmemb, void *stream)
 {
   curl_off_t nread;
   /* in real-world cases, this would probably get this data differently
diff --git a/docs/examples/ftpuploadfrommem.c b/docs/examples/ftpuploadfrommem.c
index 5ae1030dc..fbbc01b12 100644
--- a/docs/examples/ftpuploadfrommem.c
+++ b/docs/examples/ftpuploadfrommem.c
@@ -43,7 +43,7 @@ struct WriteThis {
   size_t sizeleft;
 };
 
-static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *userp)
+static size_t read_callback(char *ptr, size_t size, size_t nmemb, void *userp)
 {
   struct WriteThis *upload = (struct WriteThis *)userp;
   size_t max = size*nmemb;
diff --git a/docs/examples/ftpuploadresume.c b/docs/examples/ftpuploadresume.c
index ac7eb71af..50166bfef 100644
--- a/docs/examples/ftpuploadresume.c
+++ b/docs/examples/ftpuploadresume.c
@@ -51,7 +51,7 @@ static size_t discardfunc(void *ptr, size_t size, size_t nmemb, void *stream)
 }
 
 /* read data to upload */
-static size_t readfunc(void *ptr, size_t size, size_t nmemb, void *stream)
+static size_t readfunc(char *ptr, size_t size, size_t nmemb, void *stream)
 {
   FILE *f = stream;
   size_t n;
diff --git a/docs/examples/http2-upload.c b/docs/examples/http2-upload.c
index 09da1d8e7..8545d5aeb 100644
--- a/docs/examples/http2-upload.c
+++ b/docs/examples/http2-upload.c
@@ -159,7 +159,7 @@ int my_trace(CURL *handle, curl_infotype type,
   return 0;
 }
 
-static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *userp)
+static size_t read_callback(char *ptr, size_t size, size_t nmemb, void *userp)
 {
   struct input *i = userp;
   size_t retcode = fread(ptr, size, nmemb, i->in);
diff --git a/docs/examples/httpput.c b/docs/examples/httpput.c
index 163600a5b..8365ab208 100644
--- a/docs/examples/httpput.c
+++ b/docs/examples/httpput.c
@@ -38,7 +38,7 @@
  * http://www.apacheweek.com/features/put
  */
 
-static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *stream)
+static size_t read_callback(char *ptr, size_t size, size_t nmemb, void *stream)
 {
   size_t retcode;
   curl_off_t nread;
diff --git a/docs/examples/imap-append.c b/docs/examples/imap-append.c
index 09287a441..9c045710a 100644
--- a/docs/examples/imap-append.c
+++ b/docs/examples/imap-append.c
@@ -59,7 +59,7 @@ struct upload_status {
   int lines_read;
 };
 
-static size_t payload_source(void *ptr, size_t size, size_t nmemb, void *userp)
+static size_t payload_source(char *ptr, size_t size, size_t nmemb, void *userp)
 {
   struct upload_status *upload_ctx = (struct upload_status *)userp;
   const char *data;
diff --git a/docs/examples/post-callback.c b/docs/examples/post-callback.c
index 9ee3f9a23..f9c816036 100644
--- a/docs/examples/post-callback.c
+++ b/docs/examples/post-callback.c
@@ -41,7 +41,7 @@ struct WriteThis {
   size_t sizeleft;
 };
 
-static size_t read_callback(void *dest, size_t size, size_t nmemb, void *userp)
+static size_t read_callback(char *dest, size_t size, size_t nmemb, void *userp)
 {
   struct WriteThis *wt = (struct WriteThis *)userp;
   size_t buffer_size = size*nmemb;
diff --git a/docs/examples/sftpuploadresume.c b/docs/examples/sftpuploadresume.c
index a58bed22a..e2aa37392 100644
--- a/docs/examples/sftpuploadresume.c
+++ b/docs/examples/sftpuploadresume.c
@@ -29,7 +29,7 @@
 #include <curl/curl.h>
 
 /* read data to upload */
-static size_t readfunc(void *ptr, size_t size, size_t nmemb, void *stream)
+static size_t readfunc(char *ptr, size_t size, size_t nmemb, void *stream)
 {
   FILE *f = (FILE *)stream;
   size_t n;
diff --git a/docs/examples/smtp-authzid.c b/docs/examples/smtp-authzid.c
index 3f520c0a5..e5bb4932c 100644
--- a/docs/examples/smtp-authzid.c
+++ b/docs/examples/smtp-authzid.c
@@ -67,7 +67,7 @@ struct upload_status {
   int lines_read;
 };
 
-static size_t payload_source(void *ptr, size_t size, size_t nmemb, void *userp)
+static size_t payload_source(char *ptr, size_t size, size_t nmemb, void *userp)
 {
   struct upload_status *upload_ctx = (struct upload_status *)userp;
   const char *data;
diff --git a/docs/examples/smtp-mail.c b/docs/examples/smtp-mail.c
index 3e071c5f9..6ed7869dd 100644
--- a/docs/examples/smtp-mail.c
+++ b/docs/examples/smtp-mail.c
@@ -64,7 +64,7 @@ struct upload_status {
   int lines_read;
 };
 
-static size_t payload_source(void *ptr, size_t size, size_t nmemb, void *userp)
+static size_t payload_source(char *ptr, size_t size, size_t nmemb, void *userp)
 {
   struct upload_status *upload_ctx = (struct upload_status *)userp;
   const char *data;
diff --git a/docs/examples/smtp-multi.c b/docs/examples/smtp-multi.c
index 07e1bd882..4d9eebb61 100644
--- a/docs/examples/smtp-multi.c
+++ b/docs/examples/smtp-multi.c
@@ -61,7 +61,7 @@ struct upload_status {
   int lines_read;
 };
 
-static size_t payload_source(void *ptr, size_t size, size_t nmemb, void *userp)
+static size_t payload_source(char *ptr, size_t size, size_t nmemb, void *userp)
 {
   struct upload_status *upload_ctx = (struct upload_status *)userp;
   const char *data;
diff --git a/docs/examples/smtp-ssl.c b/docs/examples/smtp-ssl.c
index d017b6b63..a3cd8bb5d 100644
--- a/docs/examples/smtp-ssl.c
+++ b/docs/examples/smtp-ssl.c
@@ -61,7 +61,7 @@ struct upload_status {
   int lines_read;
 };
 
-static size_t payload_source(void *ptr, size_t size, size_t nmemb, void *userp)
+static size_t payload_source(char *ptr, size_t size, size_t nmemb, void *userp)
 {
   struct upload_status *upload_ctx = (struct upload_status *)userp;
   const char *data;
diff --git a/docs/examples/smtp-tls.c b/docs/examples/smtp-tls.c
index a328f631e..d8f256186 100644
--- a/docs/examples/smtp-tls.c
+++ b/docs/examples/smtp-tls.c
@@ -61,7 +61,7 @@ struct upload_status {
   int lines_read;
 };
 
-static size_t payload_source(void *ptr, size_t size, size_t nmemb, void *userp)
+static size_t payload_source(char *ptr, size_t size, size_t nmemb, void *userp)
 {
   struct upload_status *upload_ctx = (struct upload_status *)userp;
   const char *data;