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hogetrace - é–¢æ•°ã‚³ãƒ¼ãƒ«ãƒˆãƒ¬ãƒ¼ã‚µ - memologue
ã§ã‹ã„ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã®ã€å¤§é‡ã®ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’çŸæ™‚é–“ã§èªã‚€å¿…è¦ãŒç”Ÿã˜ãŸã®ã§ã€ãã®è£œåŠ©ãƒ„ãƒ¼ãƒ«ã¨ã—ã¦ptrace(2)ãƒ™ãƒ¼ã‚¹ã®Linuxç”¨é–¢æ•°ãƒˆãƒ¬ãƒ¼ã‚µã‚’è‡ªä½œã—ã¾ã—ãŸã€‚ã“ã†ã„ã†ãƒ„ãƒ¼ãƒ«ä¸Šã§ã¾ãšã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã‚’å®Ÿè¡Œã—ã¦ã¿ã¦ã€ã©ã®ãƒ•ã‚¡ã‚¤ãƒ«ã®ã©ã®é–¢æ•°ãŒã©ã†ã„ã†é †ã§å‘¼ã°ã‚Œã‚‹ã‹æŠŠæ¡ãŠã‘ã°ã€ã„ããªã‚Šã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã®å±±ã¨æ ¼é—˜ã‚’å§‹ã‚ã‚‹ã‚ˆã‚Šæ¥½ã‹ãªãƒ¼ã¨æ€ã„ã¾ã—ã¦ã€‚ã›ã£ã‹ãä½œã£ãŸã®ã§å…¬é–‹ã—ã¾ã™ã€‚ http://binary.nahi.to/hogetrace/ straceã¯ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã ã‘ã€ltraceã¯å…±æœ‰ãƒ©ã‚¤ãƒ–ãƒ©ãƒª(DSO)ã®é–¢æ•°å‘¼ã³å‡ºã—ã ã‘*1ã‚’ãƒˆãƒ¬ãƒ¼ã‚¹ã—ã¾ã™ãŒã€ã“ã®ãƒ„ãƒ¼ãƒ«ã¯ã€å®Ÿè¡Œãƒã‚¤ãƒŠãƒªä¸ã®è‡ªä½œé–¢æ•°ã®å‘¼ã³å‡ºã—ã‚‚ãƒˆãƒ¬ãƒ¼ã‚¹ã—ã¾ã™ã€‚ä¾‹ãˆã°å†å¸°ã§1ã‹ã‚‰10ã¾ã§è¶³ã—ç®—ã™ã‚‹ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’ç”¨æ„ã—ã¦ % cat recursion.c #include <stdio.h> int sum(int n) { return n ==
odz 2007/10/14
binary

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linux

programming
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ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã¨åˆå¿ƒè€… - ã¾ã¡ã‚…ãƒ€ã‚¤ã‚¢ãƒªãƒ¼ (2007-08-18)
odz 2007/08/27
c

programming
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glibc ã® fopen() ã§ 'm' ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’ä½¿ã† - bkãƒ–ãƒã‚°
glibc ã® fopen() ã§ 'm' ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’ä½¿ã† æœ€è¿‘ã® glibc ã® fopen() ã«ã¯ 'm' ã¨ã„ã†ã‚ªãƒ—ã‚·ãƒ§ãƒ³ãŒã‚ã‚‹ã¨çŸ¥ã‚Šã¾ã—ãŸã€‚ 'm' ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’æŒ‡å®šã™ã‚‹ã¨ã€ãƒªãƒ¼ãƒ‰ã‚ªãƒ³ãƒªãƒ¼ã§ãƒ•ã‚¡ã‚¤ãƒ«ã‚’é–‹ã„ãŸã¨ãã€å¯èƒ½ãªå ´åˆã€ mmap ãŒå†…éƒ¨çš„ã«ä½¿ã‚ã‚Œã‚‹ã‚ˆã†ã«ãªã‚Šã¾ã™ã€‚ æ¬¡ã®ã‚ˆã†ãªãƒ—ãƒã‚°ãƒ©ãƒ ã«å¯¾ã—ã¦ strace ã‚’ã‹ã‘ã‚‹ã¨ fgets() ã®å†…éƒ¨çš„ã§ read ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ãŒå‘¼ã°ã‚Œã¦ã„ã‚‹ã“ã¨ãŒã‚ã‹ã‚Šã¾ã™ã€‚ #include <stdio.h> #include <assert.h> int main() { char buf[1024]; FILE *fp = fopen("/etc/shells", "r"); // FILE *fp = fopen("/etc/shells", "rm"); // using mmap I/O assert(fp != NULL); f
odz 2006/05/06
fopen ã§ mã€€ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’ä½¿ã†ã¨ mmap ã‚’ä½¿ã† (glibcé™å®š)

c

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Cãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã®ãƒ¡ãƒ¢
CODE COMPLETE ã«ã‚ˆã‚‹ã¨ã€ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã‚’ä¸Šé”ã™ã‚‹ã«ã¯æ—¥é ƒã‹ã‚‰ ã‚ˆãèªã‚€ã“ã¨ (ãƒžãƒ‹ãƒ¥ã‚¢ãƒ«ãƒ»æ›¸ç±ãƒ»ä»–äººã®ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ãªã©) ã¨ã‚ˆ ãè€ƒãˆã‚‹ã“ã¨ãŒè‚è¦ã ãã†ã§ã™ã€‚ ä½•ã‹è€³å¯„ã‚Šãªæƒ…å ±ãŒã‚ã‚Œã°æ•™ãˆã¦ãã ã•ã„ã¾ã›ã€‚ (æœ¬ãƒšãƒ¼ã‚¸ã®å†…å®¹ã¯ã‹ãªã‚Šå¤ããªã£ã¦ã„ã¾ã™) ç›®æ¬¡ æ›¸ç± ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆä¸Šã®æ–‡æ›¸ ãƒ©ã‚¤ãƒ–ãƒ©ãƒª ãƒ„ãƒ¼ãƒ« ãƒ¡ãƒ¢ãƒªãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒ© GTK+/GNOMEé–¢é€£ ãã®ä»– æ›¸ç± æ›¸ç±ã®æƒ…å ±ã¯ åˆ¥ã®å ´æ‰€ã«ç§»ã—ã¾ã—ãŸã€‚ ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆä¸Šã®æ–‡æ›¸ Programming in C * Cè¨€èªžã«ã¤ã„ã¦ã®ç¶²ç¾…çš„ãªæƒ…å ±æºã€‚ Steve Summit: C Programming FAQs: Frequently Asked Questions * æ›¸ç±ç‰ˆã® 3/4ã»ã©ã®å†…å®¹ã€‚ æƒ…å ±æº: Webç‰ˆ, æ—¥æœ¬èªžè¨³, æ—¥æœ¬èªžè¨³ã®HTMLç‰ˆ Henry Spencer: The Ten Commandments f
odz 2006/02/05
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odz 2006/02/05
ãƒ¡ãƒ¢ãƒªã€ã‚¹ãƒ¬ãƒƒãƒ‰å‘¨ã‚Šã®ãƒã‚°æ¤œå‡ºãƒ„ãƒ¼ãƒ«ã€‚ãŸã ã—Linuxå°‚ç”¨

programming

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cã¨programmingã«é–¢ã™ã‚‹odzã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (5)

hogetrace - é–¢æ•°ã‚³ãƒ¼ãƒ«ãƒˆãƒ¬ãƒ¼ã‚µ - memologue

ãƒ—ãƒ­ã‚°ãƒ©ãƒŸãƒ³ã‚°ã¨åˆå¿ƒè€… - ã¾ã¡ã‚…ãƒ€ã‚¤ã‚¢ãƒªãƒ¼ (2007-08-18)

glibc ã® fopen() ã§ 'm' ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’ä½¿ã† - bkãƒ–ãƒ­ã‚°

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cã¨programmingã«é–¢ã™ã‚‹odzã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (5)

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