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/* |
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This file is part of a common library |
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Copyright (C) 2002-6 Toby Thain, toby@telegraphics.com.au |
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|
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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|
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#include <string.h> |
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#include <stdlib.h> |
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|
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#include "str.h" |
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#include "sprintf_tiny.h" |
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|
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// convert C (null-terminated) to Pascal (length byte) string |
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// no bounds checking |
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unsigned char *myc2pstr(char *s){ |
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size_t n = strlen(s); |
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memmove(s+1,s,n); |
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*s = (unsigned char)n; |
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return (unsigned char*)s; |
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} |
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|
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// convert Pascal string to C string |
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// no bounds checking |
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char *myp2cstr(unsigned char *s){ |
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int n = *s; |
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memmove(s,s+1,n); |
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s[n] = 0; |
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return (char*)s; |
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} |
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|
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// copy Pascal string to C string |
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// no bounds checking |
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char *myp2cstrcpy(char *dst,const unsigned char *src){ |
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memcpy(dst,src+1,src[0]); |
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dst[src[0]] = 0; |
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return dst; |
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} |
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unsigned char *myc2pstrcpy(unsigned char *dst,const char *src){ |
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size_t n = strlen(src); |
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*dst = n <= 255 ? (unsigned char)n : 255; |
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memcpy(dst+1,src,*dst); |
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return dst; |
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} |
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|
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// copy null-terminated string; |
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// returns pointer after last character copied |
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char *cat(char *d,char *s){ |
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while( (*d = *s++) ) |
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d++; |
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return d; |
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} |
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|
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/* |
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void *my_memset(void *dst, int val, size_t len){ |
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char *p; |
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for(p=(char*)dst;len--;) |
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*p++ = val; |
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return dst; |
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} |
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*/ |
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|
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// my_strdup() is like _strdup(), with the difference that it accepts "char*" instead of "const char*" as argument |
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char *my_strdup(char *s){ |
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size_t n = strlen(s); |
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char *p = (char*)malloc(n+1); |
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if(p) |
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memcpy(p,s,n+1); |
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return p; |
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} |
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|
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unsigned char *PLcstrcpy(unsigned char *s1,const char *s2){ |
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size_t n = strlen(s2); |
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if(n>255) |
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n = 255; |
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memcpy(s1+1,s2,n); |
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*s1 = (unsigned char)n; |
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return s1; |
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} |
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|
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unsigned char *PLcstrcat(unsigned char * str1,const char * s2){ |
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size_t n = strlen(s2); |
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if(str1[0]+n > 255) |
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n = 255 - str1[0]; |
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memcpy(str1+1+str1[0],s2,n); |
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str1[0] += (unsigned char)n; |
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return str1; |
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} |
