21 lines
614 B
C
21 lines
614 B
C
#include "fmt.h"
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/* "foo" -> "foo "
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* Copy srclen characters from src. write padlen-srclen spaces, if
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* that is >= 0. Truncate only if total length is larger than maxlen.
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* Return number of characters written. */
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unsigned int fmt_fill(char* dest,const char* src,unsigned int srclen,unsigned int padlen,unsigned int maxlen) {
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int todo;
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char* olddest=dest;
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char* max=dest+maxlen;
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for (todo=srclen; todo>0; --todo) {
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if (dest>max) break;
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*dest=*src; ++dest; ++src;
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}
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for (todo=padlen-srclen; todo>0; --todo) {
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if (dest>max) break;
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*dest=' '; ++dest;
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}
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return dest-olddest;
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}
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