31 lines
1.0 KiB
C
31 lines
1.0 KiB
C
#include <stdio.h>
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int detab(char s[],int lim, int col)
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/*s is the string we need to replace, lim is the character limit
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* and col is the size of a tab (8 characters usually so we use that)*/
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{
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int c, i; /*c is the character i0nteger representation and i is the column we are on*/
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for (i=0; i < lim-1 && (c=getchar())!=EOF && c!='\n';)
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if (c == '\t') {
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int sp=col-i%col; /*Amount of spaces to replace the tab with*/
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int st=i; /*Starting point*/
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for (int co = 0; co<=sp && i < lim-1; co++ && i++) {
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/*For each space we need to add, we increase the column count and add it
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*to the array at position (starting point + spaces added so far)
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* and we increase the spaces added so far*/
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s[st+co] = ' ';
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}
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} else {
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s[i] = c;
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++i;
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}
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if (c == '\n')
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/*If it is the end of the string, represented by a new line,
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* add that new line and increase it for the \0 addition*/ {
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s[i] = c;
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}
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/*Add the string end and return it to the previous context*/
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s[i+1] = '\0';
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return i;
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}
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