38 lines
645 B
C
38 lines
645 B
C
#include "line.h"
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// Insert char into string.
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void insert_char(LINE *s, char c, int index)
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{
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int i;
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if(strlen(s->line) >= s->size - 2) expand(s);
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for(i = strlen(s->line); i >= index; i--)
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s->line[i + 1] = s->line[i];
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s->line[index] = c;
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} // insert
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void remove_char(LINE *s, int index)
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{
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int i;
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int len = strlen(s->line);
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for(i = index; i < len; i++)
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s->line[i] = s->line[i + 1];
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} // remove_char
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// expands size of line
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void expand(LINE *s)
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{
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int new_size = s->size * 2;
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char *temp = (char *)malloc(new_size * sizeof(char));
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strcpy(temp, s->line);
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free(s->line);
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s->line = temp;
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s->size = new_size;
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} // expand
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