Annotation of qemu/cutils.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Simple C functions to supplement the C library
                      3:  * 
                      4:  * Copyright (c) 2006 Fabrice Bellard
                      5:  *
                      6:  * Permission is hereby granted, free of charge, to any person obtaining a copy
                      7:  * of this software and associated documentation files (the "Software"), to deal
                      8:  * in the Software without restriction, including without limitation the rights
                      9:  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
                     10:  * copies of the Software, and to permit persons to whom the Software is
                     11:  * furnished to do so, subject to the following conditions:
                     12:  *
                     13:  * The above copyright notice and this permission notice shall be included in
                     14:  * all copies or substantial portions of the Software.
                     15:  *
                     16:  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
                     17:  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
                     19:  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
                     20:  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
                     21:  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
                     22:  * THE SOFTWARE.
                     23:  */
                     24: #include "vl.h"
                     25: 
                     26: void pstrcpy(char *buf, int buf_size, const char *str)
                     27: {
                     28:     int c;
                     29:     char *q = buf;
                     30: 
                     31:     if (buf_size <= 0)
                     32:         return;
                     33: 
                     34:     for(;;) {
                     35:         c = *str++;
                     36:         if (c == 0 || q >= buf + buf_size - 1)
                     37:             break;
                     38:         *q++ = c;
                     39:     }
                     40:     *q = '\0';
                     41: }
                     42: 
                     43: /* strcat and truncate. */
                     44: char *pstrcat(char *buf, int buf_size, const char *s)
                     45: {
                     46:     int len;
                     47:     len = strlen(buf);
                     48:     if (len < buf_size) 
                     49:         pstrcpy(buf + len, buf_size - len, s);
                     50:     return buf;
                     51: }
                     52: 
                     53: int strstart(const char *str, const char *val, const char **ptr)
                     54: {
                     55:     const char *p, *q;
                     56:     p = str;
                     57:     q = val;
                     58:     while (*q != '\0') {
                     59:         if (*p != *q)
                     60:             return 0;
                     61:         p++;
                     62:         q++;
                     63:     }
                     64:     if (ptr)
                     65:         *ptr = p;
                     66:     return 1;
                     67: }
                     68: 
                     69: int stristart(const char *str, const char *val, const char **ptr)
                     70: {
                     71:     const char *p, *q;
                     72:     p = str;
                     73:     q = val;
                     74:     while (*q != '\0') {
                     75:         if (toupper(*p) != toupper(*q))
                     76:             return 0;
                     77:         p++;
                     78:         q++;
                     79:     }
                     80:     if (ptr)
                     81:         *ptr = p;
                     82:     return 1;
                     83: }

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