FreeCalypso > hg > freecalypso-tools

annotate rvinterf/lowlevel/client.h @ 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 /*
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2 * The structure defined in this header file is malloced in rvinterf
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3 * for every client program connection.
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4 */
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6 #define MAX_RVT_INTEREST 4
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8 typedef unsigned u32;
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10 struct client {
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11 struct client *next;
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12 int fd;
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13 int rx_state;
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14 u_char rx_buf[LOCALSOCK_MAX_MSG];
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15 int rx_msglen;
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16 u_char *rx_ptr;
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17 int rx_left;
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18 int int_rvt_count;
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19 u32 int_rvt_mask[MAX_RVT_INTEREST];
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20 u32 int_rvt_match[MAX_RVT_INTEREST];
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21 char int_proto[12];
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22 };