Annotation of qemu/cutils.c, revision 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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