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22 lines
433 B
C
22 lines
433 B
C
22 years ago
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#include "byte.h"
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#include "stralloc.h"
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#include "buffer.h"
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#include <errno.h>
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int buffer_get_token_sa_pred(buffer* b,stralloc* sa,sa_predicate p) {
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for (;;) {
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char x;
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if (!stralloc_readyplus(sa,1)) return -1;
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switch (buffer_getc(b,&x)) {
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case -1: return -1;
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case 0: return 0;
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}
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stralloc_append(sa,&x);
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switch (p(sa)) {
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case -1: return -1;
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case 0: break;
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case 1: return 0;
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}
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}
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}
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