FreeCalypso > hg > freecalypso-tools

annotate target-utils/libcommon/cmd_dieid.c @ 965:2969032bdfac

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fcup-smsend[mult]: fix buglet in K&R C NULL pointer passing The only 100% safe way to pass a NULL pointer as a function argument in K&R C is to cast 0 to a pointer type; failing to do so may cause mysterious bugs (invalid stack frames or garbage in argument registers) on 64-bit machines. This issue has already been fixed in most of FC host tools, but I just found some missed spots: passing of NULL UDH to PDU encoding functions in fcup-smsend[mult] in the case of single (not concatenated) SMS.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 01 Sep 2023 07:33:51 +0000
parents e7502631a0f9
children
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1 #include "types.h"
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3 void
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4 cmd_dieid()
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5 {
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6 u32 addr;
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8 for (addr = 0xFFFEF010; addr <= 0xFFFEF016; addr += 2)
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9 printf("%08X: %04X\n", addr, *(volatile u16 *)addr);
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10 }