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Add 'const' qualifier to character string argument to keypad facility API calls

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These API calls do not modify the string supplied, and should not be allowed to modify it, so this patch adds a 'const' qualifier to that argument to allow the compiler to enforce this restriction (and allow callers of the API that already have a 'const' pointer to be able to pass it to this API).



git-svn-id: https://origsvn.digium.com/svn/libpri/branches/1.4@798 2fbb986a-6c06-0410-b554-c9c1f0a7f128
This commit is contained in:
Kevin P. Fleming 2009-05-13 15:17:08 +00:00
parent 5484712af0
commit 39f7f72d8f
4 changed files with 4 additions and 4 deletions
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2
libpri.h
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@ -573,7 +573,7 @@ int pri_information(struct pri *pri, q931_call *call, char digit);
#define PRI_KEYPAD_FACILITY_TX #define PRI_KEYPAD_FACILITY_TX
/* Send a keypad facility string of digits */ /* Send a keypad facility string of digits */
int pri_keypad_facility(struct pri *pri, q931_call *call, char *digits); int pri_keypad_facility(struct pri *pri, q931_call *call, const char *digits);
/* Answer the incomplete(call without called number) call on the given channel. /* Answer the incomplete(call without called number) call on the given channel.
Set non-isdn to non-zero if you are not connecting to ISDN equipment */ Set non-isdn to non-zero if you are not connecting to ISDN equipment */

2
pri.c
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@ -515,7 +515,7 @@ int pri_information(struct pri *pri, q931_call *call, char digit)
return q931_information(pri, call, digit); return q931_information(pri, call, digit);
} }
int pri_keypad_facility(struct pri *pri, q931_call *call, char *digits) int pri_keypad_facility(struct pri *pri, q931_call *call, const char *digits)
{ {
if (!pri || !call || !digits || !digits[0]) if (!pri || !call || !digits || !digits[0])
return -1; return -1;

2
pri_q931.h
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@ -437,7 +437,7 @@ extern int q931_setup_ack(struct pri *pri, q931_call *call, int channel, int non
extern int q931_information(struct pri *pri, q931_call *call, char digit); extern int q931_information(struct pri *pri, q931_call *call, char digit);
extern int q931_keypad_facility(struct pri *pri, q931_call *call, char *digits); extern int q931_keypad_facility(struct pri *pri, q931_call *call, const char *digits);
extern int q931_connect(struct pri *pri, q931_call *call, int channel, int nonisdn); extern int q931_connect(struct pri *pri, q931_call *call, int channel, int nonisdn);

2
q931.c
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@ -2767,7 +2767,7 @@ int q931_information(struct pri *pri, q931_call *c, char digit)
static int keypad_facility_ies[] = { Q931_IE_KEYPAD_FACILITY, -1 }; static int keypad_facility_ies[] = { Q931_IE_KEYPAD_FACILITY, -1 };
int q931_keypad_facility(struct pri *pri, q931_call *call, char *digits) int q931_keypad_facility(struct pri *pri, q931_call *call, const char *digits)
{ {
libpri_copy_string(call->keypad_digits, digits, sizeof(call->keypad_digits)); libpri_copy_string(call->keypad_digits, digits, sizeof(call->keypad_digits));
return send_message(pri, call, Q931_INFORMATION, keypad_facility_ies); return send_message(pri, call, Q931_INFORMATION, keypad_facility_ies);