works

[samtools.git] / kstring.h

diff --git a/kstring.h b/kstring.h
index c46a62bc8bd0284826c1c7dd78ff1698d54f54f7..abd82369f607b74fed2f4fbb07d2bf0c83f31647 100644 (file)
--- a/kstring.h
+++ b/kstring.h
@@ -1,3 +1,28 @@
+/* The MIT License
+
+   Copyright (c) by Attractive Chaos <attractor@live.co.uk> 
+
+   Permission is hereby granted, free of charge, to any person obtaining
+   a copy of this software and associated documentation files (the
+   "Software"), to deal in the Software without restriction, including
+   without limitation the rights to use, copy, modify, merge, publish,
+   distribute, sublicense, and/or sell copies of the Software, and to
+   permit persons to whom the Software is furnished to do so, subject to
+   the following conditions:
+
+   The above copyright notice and this permission notice shall be
+   included in all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+   BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+   ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+   CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+   SOFTWARE.
+*/
+
 #ifndef KSTRING_H
 #define KSTRING_H
 
@@ -19,6 +44,7 @@ typedef struct __kstring_t {
 
 typedef struct {
        uint64_t tab[4];
+       int sep, finished;
        const char *p; // end of the current token
 } ks_tokaux_t;
 
@@ -41,7 +67,16 @@ extern "C" {
 #ifdef __cplusplus
 }
 #endif
-       
+
+static inline void ks_resize(kstring_t *s, size_t size)
+{
+       if (s->m < size) {
+               s->m = size;
+               kroundup32(s->m);
+               s->s = (char*)realloc(s->s, s->m);
+       }
+}
+
 static inline int kputsn(const char *p, int l, kstring_t *s)
 {
        if (s->l + l + 1 >= s->m) {
@@ -77,7 +112,8 @@ 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) for (l = 0, x = c; x < 0; x /= 10) buf[l++] = '0' - (x%10);
+        else for (l = 0, x = 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;
@@ -106,6 +142,23 @@ static inline int kputuw(unsigned c, kstring_t *s)
        return 0;
 }
 
+static inline int kputl(long c, kstring_t *s)
+{
+       char buf[32];
+       long 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 *ksplit(kstring_t *s, int delimiter, int *n)
 {
        int max = 0, *offsets = 0;