Tiberiu Chibici
913e65b856
==================================================== + Changed 'align 0x4' line above multiboot header in loader.asm to 'align 4' + Removed -e option for echo in build.sh + Modified build.sh for linux + Fixed triple fault when enabling paging + Fixed page faults at memory manager initialization + Fixed 'mem' console function + Added more info about page fault at crash screen + Added Panic() macro + Added verbose mode for memory manager [ BAD] BUILD 0.1.0.390 DATE 8/27/2011 AT 10:54 PM ==================================================== + Added stdlib routines, separated in different files + Rewritten physical memory manager + Added virtual mem manager + Added memory allocation/freeing + Added memory library + Added temporary allocation (at end of kernel), until paging is started - Removed functionality from debug console function 'mem' - Removed system.h, the one remaining function now in stdio.h
40 lines
563 B
C
40 lines
563 B
C
/*
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* str_ops.c
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*
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* Created on: Aug 27, 2011
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* Author: Tiberiu
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*/
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#include <types.h>
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uint32 strlen (string s)
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{
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string end = s;
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while (*end != '\0')
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end++;
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return (uint32)(end - s);
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}
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int32 strcmp (string a, string b)
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{
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unsigned char c1, c2;
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while (*a != '\0' && *b != '\0' && *a == *b) {
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a++; b++;
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}
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c1 = (*(unsigned char*) a);
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c2 = (*(unsigned char*) b);
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return ((c1 < c2) ? -1 : (c1 > c2));
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}
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string strcpy (string s1, const string s2)
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{
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char *dst = s1;
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const char *src = s2;
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while ((*dst++ = *src++) != '\0') ;
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return s1;
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}
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