code style: use spaces around equals signs

docs/examples/fopen.c

@@ -13,7 +13,7 @@
  * See the main() function at the bottom that shows an app that retrieves from
  * a specified url using fgets() and fread() and saves as two output files.
  *
- * Copyright (c) 2003 Simtec Electronics
+ * Copyright (c) 2003, 2017 Simtec Electronics
  *
  * Re-implemented by Vincent Sanders <vince@kyllikki.org> with extensive
  * reference to original curl example code
@@ -58,9 +58,9 @@
 #include <curl/curl.h>
 
 enum fcurl_type_e {
-  CFTYPE_NONE=0,
-  CFTYPE_FILE=1,
-  CFTYPE_CURL=2
+  CFTYPE_NONE = 0,
+  CFTYPE_FILE = 1,
+  CFTYPE_CURL = 2
 };
 
 struct fcurl_data
@@ -102,19 +102,19 @@ static size_t write_callback(char *buffer,
   URL_FILE *url = (URL_FILE *)userp;
   size *= nitems;
 
-  rembuff=url->buffer_len - url->buffer_pos; /* remaining space in buffer */
+  rembuff = url->buffer_len - url->buffer_pos; /* remaining space in buffer */
 
   if(size > rembuff) {
     /* not enough space in buffer */
-    newbuff=realloc(url->buffer, url->buffer_len + (size - rembuff));
-    if(newbuff==NULL) {
+    newbuff = realloc(url->buffer, url->buffer_len + (size - rembuff));
+    if(newbuff == NULL) {
       fprintf(stderr, "callback buffer grow failed\n");
-      size=rembuff;
+      size = rembuff;
     }
     else {
       /* realloc succeeded increase buffer size*/
-      url->buffer_len+=size - rembuff;
-      url->buffer=newbuff;
+      url->buffer_len += size - rembuff;
+      url->buffer = newbuff;
     }
   }
 
@@ -211,12 +211,12 @@ static int fill_buffer(URL_FILE *file, size_t want)
 static int use_buffer(URL_FILE *file, size_t want)
 {
   /* sort out buffer */
-  if((file->buffer_pos - want) <=0) {
+  if((file->buffer_pos - want) <= 0) {
     /* ditch buffer - write will recreate */
     free(file->buffer);
-    file->buffer=NULL;
-    file->buffer_pos=0;
-    file->buffer_len=0;
+    file->buffer = NULL;
+    file->buffer_pos = 0;
+    file->buffer_len = 0;
   }
   else {
     /* move rest down make it available for later */
@@ -243,7 +243,8 @@ URL_FILE *url_fopen(const char *url, const char *operation)
 
   memset(file, 0, sizeof(URL_FILE));
 
-  if((file->handle.file=fopen(url, operation)))
+  file->handle.file = fopen(url, operation);
+  if(file->handle.file)
     file->type = CFTYPE_FILE; /* marked as URL */
 
   else {
@@ -282,11 +283,11 @@ URL_FILE *url_fopen(const char *url, const char *operation)
 
 int url_fclose(URL_FILE *file)
 {
-  int ret=0;/* default is good return */
+  int ret = 0;/* default is good return */
 
   switch(file->type) {
   case CFTYPE_FILE:
-    ret=fclose(file->handle.file); /* passthrough */
+    ret = fclose(file->handle.file); /* passthrough */
     break;
 
   case CFTYPE_CURL:
@@ -298,8 +299,8 @@ int url_fclose(URL_FILE *file)
     break;
 
   default: /* unknown or supported type - oh dear */
-    ret=EOF;
-    errno=EBADF;
+    ret = EOF;
+    errno = EBADF;
     break;
   }
 
@@ -311,11 +312,11 @@ int url_fclose(URL_FILE *file)
 
 int url_feof(URL_FILE *file)
 {
-  int ret=0;
+  int ret = 0;
 
   switch(file->type) {
   case CFTYPE_FILE:
-    ret=feof(file->handle.file);
+    ret = feof(file->handle.file);
     break;
 
   case CFTYPE_CURL:
@@ -324,8 +325,8 @@ int url_feof(URL_FILE *file)
     break;
 
   default: /* unknown or supported type - oh dear */
-    ret=-1;
-    errno=EBADF;
+    ret = -1;
+    errno = EBADF;
     break;
   }
   return ret;
@@ -337,7 +338,7 @@ size_t url_fread(void *ptr, size_t size, size_t nmemb, URL_FILE *file)
 
   switch(file->type) {
   case CFTYPE_FILE:
-    want=fread(ptr, size, nmemb, file->handle.file);
+    want = fread(ptr, size, nmemb, file->handle.file);
     break;
 
   case CFTYPE_CURL:
@@ -363,8 +364,8 @@ size_t url_fread(void *ptr, size_t size, size_t nmemb, URL_FILE *file)
     break;
 
   default: /* unknown or supported type - oh dear */
-    want=0;
-    errno=EBADF;
+    want = 0;
+    errno = EBADF;
     break;
 
   }
@@ -395,24 +396,24 @@ char *url_fgets(char *ptr, size_t size, URL_FILE *file)
 
     /*buffer contains data */
     /* look for newline or eof */
-    for(loop=0;loop < want;loop++) {
+    for(loop = 0;loop < want;loop++) {
       if(file->buffer[loop] == '\n') {
-        want=loop+1;/* include newline */
+        want = loop+1;/* include newline */
         break;
       }
     }
 
     /* xfer data to caller */
     memcpy(ptr, file->buffer, want);
-    ptr[want]=0;/* always null terminate */
+    ptr[want] = 0;/* always null terminate */
 
     use_buffer(file, want);
 
     break;
 
   default: /* unknown or supported type - oh dear */
-    ptr=NULL;
-    errno=EBADF;
+    ptr = NULL;
+    errno = EBADF;
     break;
   }
 
@@ -435,9 +436,9 @@ void url_rewind(URL_FILE *file)
 
     /* ditch buffer - write will recreate - resets stream pos*/
     free(file->buffer);
-    file->buffer=NULL;
-    file->buffer_pos=0;
-    file->buffer_len=0;
+    file->buffer = NULL;
+    file->buffer_pos = 0;
+    file->buffer_len = 0;
 
     break;
 
@@ -463,12 +464,12 @@ int main(int argc, char *argv[])
   const char *url;
 
   if(argc < 2)
-    url="http://192.168.7.3/testfile";/* default to testurl */
+    url = "http://192.168.7.3/testfile";/* default to testurl */
   else
-    url=argv[1];/* use passed url */
+    url = argv[1];/* use passed url */
 
   /* copy from url line by line with fgets */
-  outf=fopen(FGETSFILE, "wb+");
+  outf = fopen(FGETSFILE, "wb+");
   if(!outf) {
     perror("couldn't open fgets output file\n");
     return 1;
@@ -492,7 +493,7 @@ int main(int argc, char *argv[])
 
 
   /* Copy from url with fread */
-  outf=fopen(FREADFILE, "wb+");
+  outf = fopen(FREADFILE, "wb+");
   if(!outf) {
     perror("couldn't open fread output file\n");
     return 1;
@@ -516,7 +517,7 @@ int main(int argc, char *argv[])
 
 
   /* Test rewind */
-  outf=fopen(REWINDFILE, "wb+");
+  outf = fopen(REWINDFILE, "wb+");
   if(!outf) {
     perror("couldn't open fread output file\n");
     return 1;