X-Git-Url: http://woldlab.caltech.edu/gitweb/?p=samtools.git;a=blobdiff_plain;f=kstring.h;h=925117a38646ab4c1b82db01e46091f9e073eefd;hp=221ade2472655ba842477b1249feb7ca7209631c;hb=049705238f6c2d4cdd79022e7bcf2cc7d83ba9c7;hpb=b27e00385f41769d03a8cca4dbd71275fc9fa906 diff --git a/kstring.h b/kstring.h index 221ade2..925117a 100644 --- a/kstring.h +++ b/kstring.h @@ -3,6 +3,7 @@ #include #include +#include #ifndef kroundup32 #define kroundup32(x) (--(x), (x)|=(x)>>1, (x)|=(x)>>2, (x)|=(x)>>4, (x)|=(x)>>8, (x)|=(x)>>16, ++(x)) @@ -19,6 +20,14 @@ typedef struct __kstring_t { int ksprintf(kstring_t *s, const char *fmt, ...); int ksplit_core(char *s, int delimiter, int *_max, int **_offsets); +// calculate the auxiliary array, allocated by calloc() +int *ksBM_prep(const uint8_t *pat, int m); + +/* Search pat in str and returned the list of matches. The size of the + * list is returned as n_matches. _prep is the array returned by + * ksBM_prep(). If it is a NULL pointer, ksBM_prep() will be called. */ +int *ksBM_search(const uint8_t *str, int n, const uint8_t *pat, int m, int *_prep, int *n_matches); + static inline int kputsn(const char *p, int l, kstring_t *s) { if (s->l + l + 1 >= s->m) { @@ -49,6 +58,40 @@ static inline int kputc(int c, kstring_t *s) return c; } +static inline int kputw(int c, kstring_t *s) +{ + char buf[16]; + int l, x; + if (c == 0) return kputc('0', s); + for (l = 0, x = c < 0? -c : c; x > 0; x /= 10) buf[l++] = x%10 + '0'; + if (c < 0) buf[l++] = '-'; + if (s->l + l + 1 >= s->m) { + s->m = s->l + l + 2; + kroundup32(s->m); + s->s = (char*)realloc(s->s, s->m); + } + for (x = l - 1; x >= 0; --x) s->s[s->l++] = buf[x]; + s->s[s->l] = 0; + return 0; +} + +static inline int kputuw(unsigned c, kstring_t *s) +{ + char buf[16]; + int l, i; + unsigned x; + if (c == 0) return kputc('0', s); + for (l = 0, x = c; x > 0; x /= 10) buf[l++] = x%10 + '0'; + if (s->l + l + 1 >= s->m) { + s->m = s->l + l + 2; + kroundup32(s->m); + s->s = (char*)realloc(s->s, s->m); + } + for (i = l - 1; i >= 0; --i) s->s[s->l++] = buf[i]; + s->s[s->l] = 0; + return 0; +} + static inline int *ksplit(kstring_t *s, int delimiter, int *n) { int max = 0, *offsets = 0;