View difference between Paste ID: RhZdBCUb and

-
+#include <stdio.h>
 #include <string.h>
 
 /* Only for the sleep, the progress bar code itself is standard C */
 #include <unistd.h>
 
 typedef enum
 {
     false=0,
     true=!false
 } bool;
 
 typedef struct
 {
     /* Start delimiter (e.g. [ )*/
     char StartDelimiter;
     /* End Delimiter (e.g. ] )*/
     char EndDelimiter;
     /* Central block (e.g. = )*/
     char Block;
     /* Last blocks, rotated at each refresh (typical value: - | / - \ | / ) */
     char LastBlocks[10];
     /* Used positions of LastBlocks */
     size_t LastBlocksSize;
     /* LastBlocks index to be used next time */
     size_t LastBlockIndex;
     /* Width of the progress bar (in characters) */
     unsigned int Width;
     /* Maximum value of the progress bar */
     double Max;
     /* True if we have to print also the percentage of the operation */
     bool PrintPercentage;
     /* True if the bar must be redrawn;
        note that this must be just set to false before the first call, the function then will change it by itself.  */
     bool Update;
 } ProgressBarSettings;
 
 /* Prints/updates the progress bar */
 void PrintProgressBar(double Pos, ProgressBarSettings * Settings);
 /* Inits the settings of the progress bar to the default values */
 void DefaultProgressBar(ProgressBarSettings * Settings);
 
 int main()
 {
     int i;
     /* Init the bar settings */
     ProgressBarSettings pbs;
     DefaultProgressBar(&pbs);
     pbs.Max=400;
     pbs.Width=60;
     printf("Progress: ");
     /* Show the empty bar */
     PrintProgressBar(0,&pbs);
     for(i=0;i<=pbs.Max;i++)
     {
         /* Wait 25 msec */
         usleep(25000);
         /* Update the progress bar */
         PrintProgressBar(i,&pbs);
     }
     puts(" Done");
     return 0;
 }
 
 /* Inits the settings of the progress bar to the default values */
 void DefaultProgressBar(ProgressBarSettings * Settings)
 {
     const char * defaultLastBlocks="-\\|/-\\|/";
     Settings->StartDelimiter='[';
     Settings->EndDelimiter=']';
     Settings->Block='=';
     strncpy(Settings->LastBlocks, defaultLastBlocks, sizeof(Settings->LastBlocks));
     Settings->LastBlocksSize=strlen(defaultLastBlocks);
     if(Settings->LastBlocksSize>sizeof(Settings->LastBlocks))
         Settings->LastBlocksSize=sizeof(Settings->LastBlocks);
     Settings->LastBlockIndex=0;
     Settings->PrintPercentage=true;
     Settings->Update=false;
     Settings->Max=100;
     Settings->Width=40;
 }
 
 /* Prints/updates the progress bar */
 void PrintProgressBar(double Pos, ProgressBarSettings * Settings)
 {
     /* Blocks to print */
     unsigned int printBlocks=(unsigned int)(Settings->Width*Pos/Settings->Max);
     /* Counter */
     unsigned int counter;
     /* If we are updating an existing bar...*/
     if(Settings->Update)
     {
         /* ... we get back to its first character to rewrite it... */
         for(counter=Settings->Width+2+(Settings->PrintPercentage?5:0);counter;counter--)
             putchar('\b');
     }
     else
         Settings->Update=true; /* next time we'll be updating it */
     /* Print the first delimiter */
     putchar(Settings->StartDelimiter);
     /* Reset the counter */
     counter=Settings->Width;
     /* Print all the blocks except the last; in the meantime, we decrement the counter, so in the end we'll have
        the number of spaces to fill the bar */
     for(;printBlocks>1;printBlocks--,counter--)
         putchar(Settings->Block);
     /* Print the last block; if the operation ended, use the normal block, otherwise the one for the last block */
     putchar((Settings->Max==Pos)?Settings->Block:Settings->LastBlocks[Settings->LastBlockIndex]);
     /* At the next update we'll use the next last block */
     Settings->LastBlockIndex=(Settings->LastBlockIndex+1)%Settings->LastBlocksSize;
     /* Another block was printed, decrement the counter */
     counter--;
     /* Fill the rest of the bar with spaces */
     for(;counter;counter--)
         putchar(' ');
     /* Print the end delimiter */
     putchar(Settings->EndDelimiter);
     /* If asked, print also the percentage */
     if(Settings->PrintPercentage)
         printf(" %3d%%",(int)(100*Pos/Settings->Max));
     /* Flush the output buffer */
     fflush(stdout);
 };