diff options
Diffstat (limited to 'tinySMS/src/tsms_packing.c')
| -rwxr-xr-x | tinySMS/src/tsms_packing.c | 464 |
1 files changed, 232 insertions, 232 deletions
diff --git a/tinySMS/src/tsms_packing.c b/tinySMS/src/tsms_packing.c index 9f9f916..8a833bf 100755 --- a/tinySMS/src/tsms_packing.c +++ b/tinySMS/src/tsms_packing.c @@ -2,19 +2,19 @@ * Copyright (C) 2009 Mamadou Diop. * * Contact: Mamadou Diop <diopmamadou(at)doubango.org> -* +* * This file is part of Open Source Doubango Framework. * * DOUBANGO is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. -* +* * DOUBANGO is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. -* +* * You should have received a copy of the GNU General Public License * along with DOUBANGO. * @@ -48,95 +48,95 @@ */ tsk_buffer_t* tsms_pack_to_7bit(const char* ascii) { - /* 3GPP TS 23.038 - 6.1.2.1.1 Packing of 7-bit characters - If a character number $ is noted in the following way: - b7 b6 b5 b4 b3 b2 b1 - $a $b $c $d $e $f $g - The packing of the 7-bitscharacters in octets is done by completing the octets with zeros on the left. - For examples, packing: $ - - one character in one octet: - - bits number: - 7 6 5 4 3 2 1 0 - 0 1a 1b 1c 1d 1e 1f 1g - - - two characters in two octets: - - bits number: - 7 6 5 4 3 2 1 0 - 2g 1a 1b 1c 1d 1e 1f 1g - 0 0 2a 2b 2c 2d 2e 2f - - - three characters in three octets: - - bits number: - 7 6 5 4 3 2 1 0 - 2g 1a 1b 1c 1d 1e 1f 1g - 3f 3g 2a 2b 2c 2d 2e 2f - 0 0 0 3a 3b 3c 3d 3e - - - seven characters in seven octets: - - bits number: - 7 6 5 4 3 2 1 0 - 2g 1a 1b 1c 1d 1e 1f 1g - 3f 3g 2a 2b 2c 2d 2e 2f - 4e 4f 4g 3a 3b 3c 3d 3e - 5d 5e 5f 5g 4a 4b 4c 4d - 6c 6d 6e 6f 6g 5a 5b 5c - 7b 7c 7d 7e 7f 7g 6a 6b - 0 0 0 0 0 0 0 7a - - - eight characters in seven octets: - - bits number: - 7 6 5 4 3 2 1 0 - 2g 1a 1b 1c 1d 1e 1f 1g - 3f 3g 2a 2b 2c 2d 2e 2f - 4e 4f 4g 3a 3b 3c 3d 3e - 5d 5e 5f 5g 4a 4b 4c 4d - 6c 6d 6e 6f 6g 5a 5b 5c - 7b 7c 7d 7e 7f 7g 6a 6b - 8a 8b 8c 8d 8e 8f 8g 7a - - The bit number zero is always transmitted first. - Therefore, in 140 octets, it is possible to pack (140x8)/7=160 characters. - */ - tsk_buffer_t* ret = tsk_null; - uint8_t* _ret = tsk_null; - register tsk_size_t len, bcount = 1/*1-7*/, index = 0, retindex = 0, retlen = 0; - const uint8_t* pascii = (const uint8_t*)ascii; - - if(!ascii || !(len = strlen(ascii))){ - TSK_DEBUG_WARN("Null or Empty ascci string."); - goto bail; - } - - retlen = len - (len/7) + 1; - if(!(_ret = tsk_calloc(retlen, sizeof(uint8_t)))){ - goto bail; - } - - while(index < len){ - if(index == 0){ - _ret[retindex] |= (pascii[index] & (0xFF >> bcount)) | - (pascii[index+1] << (8 - bcount)); - } - else{ - _ret[retindex] = ((pascii[index] >> (bcount - 1))& (0xFF >> bcount)) - | (pascii[index+1] <<(8-bcount)); - } - - /* how many bytes to use to complete on the left? */ - if(++bcount == 8){ - bcount = 1, ++index; - } - /* next */ - retindex++; - index++; - } - - /* creat ret */ - ret = tsk_buffer_create(_ret, (retlen-1)); + /* 3GPP TS 23.038 - 6.1.2.1.1 Packing of 7-bit characters + If a character number $ is noted in the following way: + b7 b6 b5 b4 b3 b2 b1 + $a $b $c $d $e $f $g + The packing of the 7-bitscharacters in octets is done by completing the octets with zeros on the left. + For examples, packing: $ + - one character in one octet: + - bits number: + 7 6 5 4 3 2 1 0 + 0 1a 1b 1c 1d 1e 1f 1g + + - two characters in two octets: + - bits number: + 7 6 5 4 3 2 1 0 + 2g 1a 1b 1c 1d 1e 1f 1g + 0 0 2a 2b 2c 2d 2e 2f + + - three characters in three octets: + - bits number: + 7 6 5 4 3 2 1 0 + 2g 1a 1b 1c 1d 1e 1f 1g + 3f 3g 2a 2b 2c 2d 2e 2f + 0 0 0 3a 3b 3c 3d 3e + + - seven characters in seven octets: + - bits number: + 7 6 5 4 3 2 1 0 + 2g 1a 1b 1c 1d 1e 1f 1g + 3f 3g 2a 2b 2c 2d 2e 2f + 4e 4f 4g 3a 3b 3c 3d 3e + 5d 5e 5f 5g 4a 4b 4c 4d + 6c 6d 6e 6f 6g 5a 5b 5c + 7b 7c 7d 7e 7f 7g 6a 6b + 0 0 0 0 0 0 0 7a + + - eight characters in seven octets: + - bits number: + 7 6 5 4 3 2 1 0 + 2g 1a 1b 1c 1d 1e 1f 1g + 3f 3g 2a 2b 2c 2d 2e 2f + 4e 4f 4g 3a 3b 3c 3d 3e + 5d 5e 5f 5g 4a 4b 4c 4d + 6c 6d 6e 6f 6g 5a 5b 5c + 7b 7c 7d 7e 7f 7g 6a 6b + 8a 8b 8c 8d 8e 8f 8g 7a + + The bit number zero is always transmitted first. + Therefore, in 140 octets, it is possible to pack (140x8)/7=160 characters. + */ + tsk_buffer_t* ret = tsk_null; + uint8_t* _ret = tsk_null; + register tsk_size_t len, bcount = 1/*1-7*/, index = 0, retindex = 0, retlen = 0; + const uint8_t* pascii = (const uint8_t*)ascii; + + if(!ascii || !(len = strlen(ascii))) { + TSK_DEBUG_WARN("Null or Empty ascci string."); + goto bail; + } + + retlen = len - (len/7) + 1; + if(!(_ret = tsk_calloc(retlen, sizeof(uint8_t)))) { + goto bail; + } + + while(index < len) { + if(index == 0) { + _ret[retindex] |= (pascii[index] & (0xFF >> bcount)) | + (pascii[index+1] << (8 - bcount)); + } + else { + _ret[retindex] = ((pascii[index] >> (bcount - 1))& (0xFF >> bcount)) + | (pascii[index+1] <<(8-bcount)); + } + + /* how many bytes to use to complete on the left? */ + if(++bcount == 8) { + bcount = 1, ++index; + } + /* next */ + retindex++; + index++; + } + + /* creat ret */ + ret = tsk_buffer_create(_ret, (retlen-1)); bail: - TSK_FREE(_ret); - - return ret; + TSK_FREE(_ret); + + return ret; } /**@ingroup tsms_packing_group @@ -147,36 +147,36 @@ bail: */ tsk_buffer_t* tsms_pack_to_ucs2(const char* ascii) { - register tsk_size_t i, j; - tsk_size_t len, retlen = 0; - uint8_t* str = tsk_null; - tsk_buffer_t* ret = tsk_null; - - if(!ascii || !(len=strlen(ascii))){ - TSK_DEBUG_WARN("Null or Empty gsm7bit buffer."); - goto bail; - } - - if(!(str = tsk_calloc(len, sizeof(uint8_t)*2))){ - goto bail; - } - - /* very bas way to do conversion ==> to be fixed */ - for(i=0; i<len; i++){ - for(j=0; j<TSMS_ETSI_GSM_03_38_COUNT; j++){ - if((uint8_t)ascii[i] == (uint8_t)(TSMS_ETSI_GSM_03_38[j][1] & 0xFF)){ - retlen++; /* 00 */ - *(str + retlen++) = (TSMS_ETSI_GSM_03_38[j][0] & 0xFF); - } - } - } - - /* create buffer */ - ret = tsk_buffer_create(str, retlen); + register tsk_size_t i, j; + tsk_size_t len, retlen = 0; + uint8_t* str = tsk_null; + tsk_buffer_t* ret = tsk_null; + + if(!ascii || !(len=strlen(ascii))) { + TSK_DEBUG_WARN("Null or Empty gsm7bit buffer."); + goto bail; + } + + if(!(str = tsk_calloc(len, sizeof(uint8_t)*2))) { + goto bail; + } + + /* very bas way to do conversion ==> to be fixed */ + for(i=0; i<len; i++) { + for(j=0; j<TSMS_ETSI_GSM_03_38_COUNT; j++) { + if((uint8_t)ascii[i] == (uint8_t)(TSMS_ETSI_GSM_03_38[j][1] & 0xFF)) { + retlen++; /* 00 */ + *(str + retlen++) = (TSMS_ETSI_GSM_03_38[j][0] & 0xFF); + } + } + } + + /* create buffer */ + ret = tsk_buffer_create(str, retlen); bail: - TSK_FREE(str); - return ret; + TSK_FREE(str); + return ret; } /**@ingroup tsms_packing_group @@ -187,36 +187,36 @@ bail: */ tsk_buffer_t* tsms_pack_to_8bit(const char* ascii) { - register tsk_size_t i, j; - tsk_size_t len, retlen = 0; - uint8_t* str = tsk_null; - tsk_buffer_t* ret = tsk_null; - - if(!ascii || !(len=strlen(ascii))){ - TSK_DEBUG_WARN("Null or Empty gsm7bit buffer."); - goto bail; - } - - if(!(str = tsk_calloc(len, sizeof(uint8_t)))){ - goto bail; - } - - /* very bas way to do conversion ==> to be fixed */ - for(i = 0; i<len; i++){ - for(j = 0; j<TSMS_ETSI_GSM_03_38_COUNT; j++){ - if((uint8_t)ascii[i] == (uint8_t)(TSMS_ETSI_GSM_03_38[j][1] & 0xFF)){ - *(str + retlen++) = (TSMS_ETSI_GSM_03_38[j][0] & 0xFF); - continue; - } - } - } - - /* create buffer */ - ret = tsk_buffer_create(str, retlen); + register tsk_size_t i, j; + tsk_size_t len, retlen = 0; + uint8_t* str = tsk_null; + tsk_buffer_t* ret = tsk_null; + + if(!ascii || !(len=strlen(ascii))) { + TSK_DEBUG_WARN("Null or Empty gsm7bit buffer."); + goto bail; + } + + if(!(str = tsk_calloc(len, sizeof(uint8_t)))) { + goto bail; + } + + /* very bas way to do conversion ==> to be fixed */ + for(i = 0; i<len; i++) { + for(j = 0; j<TSMS_ETSI_GSM_03_38_COUNT; j++) { + if((uint8_t)ascii[i] == (uint8_t)(TSMS_ETSI_GSM_03_38[j][1] & 0xFF)) { + *(str + retlen++) = (TSMS_ETSI_GSM_03_38[j][0] & 0xFF); + continue; + } + } + } + + /* create buffer */ + ret = tsk_buffer_create(str, retlen); bail: - TSK_FREE(str); - return ret; + TSK_FREE(str); + return ret; } /**@ingroup tsms_packing_group @@ -228,45 +228,45 @@ bail: */ char* tsms_pack_from_7bit(const void* gsm7bit, tsk_size_t size) { - char* ret = tsk_null; - register tsk_size_t bcount = 1/*1-7*/, index = 0, retindex = 0, retsize = 0; - const uint8_t* pgsm7bit = gsm7bit; - - if(!gsm7bit || !size){ - TSK_DEBUG_WARN("Null or Empty gsm7bit buffer."); - goto bail; - } - - // dup the gsm7bit buffer - retsize = size + (size/7) + 1; // variable used for debug - if(!(ret = tsk_calloc(retsize, sizeof(uint8_t)))){ - goto bail; - } - - while(index < size){ - ret[retindex] = (pgsm7bit[index] & (0xFF >>bcount)); - if(index){ - ret[retindex] = (ret[retindex] << (bcount - 1)) - | (pgsm7bit[index-1] >> (8 - bcount + 1)); - } - - /* how many bytes to use to complete on the right? */ - if(bcount++ == 8){ - bcount = 1, --index; - } - /* next */ - index++; - retindex++; - } - - /* special one */ - if(!(size%7)){ - ret[retindex] = pgsm7bit[size-1]>>1; - } - + char* ret = tsk_null; + register tsk_size_t bcount = 1/*1-7*/, index = 0, retindex = 0, retsize = 0; + const uint8_t* pgsm7bit = gsm7bit; + + if(!gsm7bit || !size) { + TSK_DEBUG_WARN("Null or Empty gsm7bit buffer."); + goto bail; + } + + // dup the gsm7bit buffer + retsize = size + (size/7) + 1; // variable used for debug + if(!(ret = tsk_calloc(retsize, sizeof(uint8_t)))) { + goto bail; + } + + while(index < size) { + ret[retindex] = (pgsm7bit[index] & (0xFF >>bcount)); + if(index) { + ret[retindex] = (ret[retindex] << (bcount - 1)) + | (pgsm7bit[index-1] >> (8 - bcount + 1)); + } + + /* how many bytes to use to complete on the right? */ + if(bcount++ == 8) { + bcount = 1, --index; + } + /* next */ + index++; + retindex++; + } + + /* special one */ + if(!(size%7)) { + ret[retindex] = pgsm7bit[size-1]>>1; + } + bail: - - return ret; + + return ret; } /**@ingroup tsms_packing_group @@ -278,31 +278,31 @@ bail: */ char* tsms_pack_from_ucs2(const void* ucs2, tsk_size_t size) { - register tsk_size_t i, j; - char* ret = tsk_null; - - const uint16_t* pucs2 = ucs2; - - if(!ucs2 || !size){ - TSK_DEBUG_WARN("Null or Empty gsm8bit buffer."); - goto bail; - } - - if(!(ret = tsk_calloc(size+1, sizeof(uint8_t)))){ - goto bail; - } - - for(i=0; i<size; i++){ - for(j=0; j<TSMS_ETSI_GSM_03_38_COUNT; j++){ - if(*(pucs2 + i) == (TSMS_ETSI_GSM_03_38[j][0])){ - *(ret+i) = (TSMS_ETSI_GSM_03_38[j][1] & 0xFF); - continue; - } - } - } + register tsk_size_t i, j; + char* ret = tsk_null; + + const uint16_t* pucs2 = ucs2; + + if(!ucs2 || !size) { + TSK_DEBUG_WARN("Null or Empty gsm8bit buffer."); + goto bail; + } + + if(!(ret = tsk_calloc(size+1, sizeof(uint8_t)))) { + goto bail; + } + + for(i=0; i<size; i++) { + for(j=0; j<TSMS_ETSI_GSM_03_38_COUNT; j++) { + if(*(pucs2 + i) == (TSMS_ETSI_GSM_03_38[j][0])) { + *(ret+i) = (TSMS_ETSI_GSM_03_38[j][1] & 0xFF); + continue; + } + } + } bail: - return ret; + return ret; } /**@ingroup tsms_packing_group @@ -314,30 +314,30 @@ bail: */ char* tsms_pack_from_8bit(const void* gsm8bit, tsk_size_t size) { - register tsk_size_t i, j; - char* ret = tsk_null; - - const uint8_t* pgsm8bit = gsm8bit; - - if(!gsm8bit || !size){ - TSK_DEBUG_WARN("Null or Empty gsm8bit buffer."); - goto bail; - } - - if(!(ret = tsk_calloc(size+1, sizeof(uint8_t)))){ - goto bail; - } - - /* Very bad way to do convertion ==> to be changed */ - for(i=0; i<size; i++){ - for(j=0; j<TSMS_ETSI_GSM_03_38_COUNT; j++){ - if(*(pgsm8bit + i) == (TSMS_ETSI_GSM_03_38[j][0] & 0xFF)){ - *(ret+i) = (TSMS_ETSI_GSM_03_38[j][1] & 0xFF); - continue; - } - } - } + register tsk_size_t i, j; + char* ret = tsk_null; + + const uint8_t* pgsm8bit = gsm8bit; + + if(!gsm8bit || !size) { + TSK_DEBUG_WARN("Null or Empty gsm8bit buffer."); + goto bail; + } + + if(!(ret = tsk_calloc(size+1, sizeof(uint8_t)))) { + goto bail; + } + + /* Very bad way to do convertion ==> to be changed */ + for(i=0; i<size; i++) { + for(j=0; j<TSMS_ETSI_GSM_03_38_COUNT; j++) { + if(*(pgsm8bit + i) == (TSMS_ETSI_GSM_03_38[j][0] & 0xFF)) { + *(ret+i) = (TSMS_ETSI_GSM_03_38[j][1] & 0xFF); + continue; + } + } + } bail: - return ret; + return ret; } |
