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

18 files changed, 21 insertions, 21 deletions

diff --git a/tests/libtest/lib1507.c b/tests/libtest/lib1507.c
index 019b4f113..dd83fc021 100644
--- a/tests/libtest/lib1507.c
+++ b/tests/libtest/lib1507.c
@@ -35,7 +35,7 @@
 
 #define MULTI_PERFORM_HANG_TIMEOUT 60 * 1000
 
-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)
 {
   (void)ptr;
   (void)size;
diff --git a/tests/libtest/lib1514.c b/tests/libtest/lib1514.c
index ee9b4e9ba..51302ad55 100644
--- a/tests/libtest/lib1514.c
+++ b/tests/libtest/lib1514.c
@@ -35,7 +35,7 @@ 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 *pooh = (struct WriteThis *)userp;
 
@@ -43,7 +43,7 @@ static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *userp)
     return 0;
 
   if(pooh->sizeleft) {
-    *(char *)ptr = pooh->readptr[0]; /* copy one single byte */
+    *ptr = pooh->readptr[0]; /* copy one single byte */
     pooh->readptr++;                 /* advance pointer */
     pooh->sizeleft--;                /* less data left */
     return 1;                        /* we return 1 byte at a time! */
diff --git a/tests/libtest/lib1517.c b/tests/libtest/lib1517.c
index 173f65cbf..c3a4986c2 100644
--- a/tests/libtest/lib1517.c
+++ b/tests/libtest/lib1517.c
@@ -30,7 +30,7 @@ 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 *pooh = (struct WriteThis *)userp;
   size_t tocopy = size * nmemb;
diff --git a/tests/libtest/lib1520.c b/tests/libtest/lib1520.c
index dda2a2fe1..b0ff08a54 100644
--- a/tests/libtest/lib1520.c
+++ b/tests/libtest/lib1520.c
@@ -47,7 +47,7 @@ struct upload_status {
   int lines_read;
 };
 
-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 upload_status *upload_ctx = (struct upload_status *)userp;
   const char *data;
diff --git a/tests/libtest/lib1525.c b/tests/libtest/lib1525.c
index e8aff9865..a2a4db226 100644
--- a/tests/libtest/lib1525.c
+++ b/tests/libtest/lib1525.c
@@ -32,7 +32,7 @@
 
 static char data [] = "Hello Cloud!\n";
 
-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  amount = nmemb * size; /* Total bytes curl wants */
   if(amount < strlen(data)) {
diff --git a/tests/libtest/lib1526.c b/tests/libtest/lib1526.c
index 1fec7043f..37abc6111 100644
--- a/tests/libtest/lib1526.c
+++ b/tests/libtest/lib1526.c
@@ -31,7 +31,7 @@
 
 static char data [] = "Hello Cloud!\n";
 
-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  amount = nmemb * size; /* Total bytes curl wants */
   if(amount < strlen(data)) {
diff --git a/tests/libtest/lib1527.c b/tests/libtest/lib1527.c
index 32e9fb57c..9e0e452a0 100644
--- a/tests/libtest/lib1527.c
+++ b/tests/libtest/lib1527.c
@@ -31,7 +31,7 @@
 
 static char data [] = "Hello Cloud!\n";
 
-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  amount = nmemb * size; /* Total bytes curl wants */
   if(amount < strlen(data)) {
diff --git a/tests/libtest/lib1533.c b/tests/libtest/lib1533.c
index 21a3eacba..e7bd0abc5 100644
--- a/tests/libtest/lib1533.c
+++ b/tests/libtest/lib1533.c
@@ -48,7 +48,7 @@ static void reset_data(struct cb_data *data, CURL *curl)
 }
 
 
-static size_t read_callback(void *ptr, size_t size, size_t nitems,
+static size_t read_callback(char *ptr, size_t size, size_t nitems,
                             void *userdata)
 {
   struct cb_data *data = (struct cb_data *)userdata;
diff --git a/tests/libtest/lib1591.c b/tests/libtest/lib1591.c
index 6dbafb25f..8349b1db5 100644
--- a/tests/libtest/lib1591.c
+++ b/tests/libtest/lib1591.c
@@ -32,7 +32,7 @@
 static char data [] = "Hello Cloud!\r\n";
 static size_t consumed = 0;
 
-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  amount = nmemb * size; /* Total bytes curl wants */
 
diff --git a/tests/libtest/lib508.c b/tests/libtest/lib508.c
index 424ef50d3..b5391fb8e 100644
--- a/tests/libtest/lib508.c
+++ b/tests/libtest/lib508.c
@@ -30,7 +30,7 @@ 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 *pooh = (struct WriteThis *)userp;
 
@@ -38,7 +38,7 @@ static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *userp)
     return 0;
 
   if(pooh->sizeleft) {
-    *(char *)ptr = pooh->readptr[0]; /* copy one single byte */
+    *ptr = pooh->readptr[0]; /* copy one single byte */
     pooh->readptr++;                 /* advance pointer */
     pooh->sizeleft--;                /* less data left */
     return 1;                        /* we return 1 byte at a time! */
diff --git a/tests/libtest/lib510.c b/tests/libtest/lib510.c
index 0cd85d433..21919b101 100644
--- a/tests/libtest/lib510.c
+++ b/tests/libtest/lib510.c
@@ -36,7 +36,7 @@ struct WriteThis {
   int counter;
 };
 
-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 *pooh = (struct WriteThis *)userp;
   const char *data;
diff --git a/tests/libtest/lib513.c b/tests/libtest/lib513.c
index 73bac3f31..80fc57b9b 100644
--- a/tests/libtest/lib513.c
+++ b/tests/libtest/lib513.c
@@ -23,7 +23,7 @@
 
 #include "memdebug.h"
 
-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)
 {
   (void)ptr;
   (void)size;
diff --git a/tests/libtest/lib547.c b/tests/libtest/lib547.c
index 11e62d583..57a9d84dc 100644
--- a/tests/libtest/lib547.c
+++ b/tests/libtest/lib547.c
@@ -38,7 +38,7 @@
 #endif
 
 #ifndef LIB548
-static size_t readcallback(void  *ptr,
+static size_t readcallback(char  *ptr,
                            size_t size,
                            size_t nmemb,
                            void *clientp)
diff --git a/tests/libtest/lib552.c b/tests/libtest/lib552.c
index 75779eefe..6e70e75f0 100644
--- a/tests/libtest/lib552.c
+++ b/tests/libtest/lib552.c
@@ -127,7 +127,7 @@ static size_t current_offset = 0;
 static char databuf[70000]; /* MUST be more than 64k OR
                                MAX_INITIAL_POST_SIZE */
 
-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  amount = nmemb * size; /* Total bytes curl wants */
   size_t  available = sizeof(databuf) - current_offset; /* What we have to
diff --git a/tests/libtest/lib553.c b/tests/libtest/lib553.c
index d52ce082a..31b2bdba6 100644
--- a/tests/libtest/lib553.c
+++ b/tests/libtest/lib553.c
@@ -30,7 +30,7 @@
 
 #define POSTLEN 40960
 
-static size_t myreadfunc(void *ptr, size_t size, size_t nmemb, void *stream)
+static size_t myreadfunc(char *ptr, size_t size, size_t nmemb, void *stream)
 {
   static size_t total = POSTLEN;
   static char buf[1024];
diff --git a/tests/libtest/lib554.c b/tests/libtest/lib554.c
index 18e8950c2..aebbb1b55 100644
--- a/tests/libtest/lib554.c
+++ b/tests/libtest/lib554.c
@@ -38,7 +38,7 @@ 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)
 {
 #ifdef LIB587
   (void)ptr;
@@ -54,7 +54,7 @@ static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *userp)
     return 0;
 
   if(pooh->sizeleft) {
-    *(char *)ptr = pooh->readptr[0]; /* copy one single byte */
+    *ptr = pooh->readptr[0]; /* copy one single byte */
     pooh->readptr++;                 /* advance pointer */
     pooh->sizeleft--;                /* less data left */
     return 1;                        /* we return 1 byte at a time! */
diff --git a/tests/libtest/lib555.c b/tests/libtest/lib555.c
index 392ae7dcd..5b38530d1 100644
--- a/tests/libtest/lib555.c
+++ b/tests/libtest/lib555.c
@@ -45,7 +45,7 @@ static const char uploadthis[] =
   "this is the blurb we want to upload\n";
 #endif
 
-static size_t readcallback(void  *ptr,
+static size_t readcallback(char  *ptr,
                            size_t size,
                            size_t nmemb,
                            void *clientp)
diff --git a/tests/libtest/lib579.c b/tests/libtest/lib579.c
index ef90944b0..d06138d85 100644
--- a/tests/libtest/lib579.c
+++ b/tests/libtest/lib579.c
@@ -64,7 +64,7 @@ static int progress_callback(void *clientp, double dltotal, double dlnow,
   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 WriteThis *pooh = (struct WriteThis *)userp;
   const char *data;