30 lines
558 B
C
30 lines
558 B
C
#include <stdlib.h>
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#include <libowfat/byte.h>
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#include "strstorage.h"
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#define PAGESIZE 4096
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const char* strstorage_add(const char* s,size_t n) {
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static char* page=0;
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static size_t leftonpage=0;
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if (leftonpage>=n) {
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copyit:
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byte_copy(page,n,s);
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s=page;
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page+=n;
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leftonpage-=n;
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} else {
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if (n>=PAGESIZE/2) {
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char* tmp=malloc(n);
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if (!tmp) return 0;
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byte_copy(tmp,n,s);
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s=tmp;
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} else {
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if (!(page=malloc(PAGESIZE))) return 0;
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leftonpage=PAGESIZE;
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goto copyit;
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}
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}
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return s;
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}
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