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@ -1,62 +0,0 @@
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/*
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* EXIF date tool
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*
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* (c) Alexander Vdolainen 2023 <alex@vapaa.xyz>
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*
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* this is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published
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* by the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* this is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.";
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*
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*/
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#ifndef __EXIJPEG_H__
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#define __EXIJPEG_H__
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <string.h>
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#include <time.h>
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#include <libexif/exif-data.h>
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struct exijpeg_segment {
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unsigned char *hd;
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unsigned long length;
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struct exijpeg_segment *next;
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};
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typedef struct __exijpeg_data_type {
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unsigned char *data;
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char *filename;
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size_t length;
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int fd;
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struct exijpeg_segment *segments;
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struct exijpeg_segment *last;
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} exijpeg_data_t;
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exijpeg_data_t *exijpeg_data_alloc(void);
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void exijpeg_data_free(exijpeg_data_t *);
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/* adds a segment to jpeg_data_t */
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int exijpeg_data_add_segment(exijpeg_data_t *, unsigned char *, unsigned long);
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/* loads a file to jpeg structure */
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int exijpeg_data_loadfile(exijpeg_data_t *, const char *);
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/* release any resources allocated from the system during open file proc */
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int exijpeg_data_release(exijpeg_data_t *);
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#endif
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@ -1,90 +0,0 @@
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/*
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* EXIF date tool
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*
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* (c) Alexander Vdolainen 2023 <alex@vapaa.xyz>
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*
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* this is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published
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* by the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* this is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.";
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*
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*/
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#ifndef __EXIJPEGSEGMENTS_H__
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#define __EXIJPEGSEGMENTS_H__
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typedef enum {
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JPEG_MARKER_SOF0 = 0xc0,
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JPEG_MARKER_SOF1 = 0xc1,
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JPEG_MARKER_SOF2 = 0xc2,
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JPEG_MARKER_SOF3 = 0xc3,
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JPEG_MARKER_DHT = 0xc4,
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JPEG_MARKER_SOF5 = 0xc5,
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JPEG_MARKER_SOF6 = 0xc6,
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JPEG_MARKER_SOF7 = 0xc7,
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JPEG_MARKER_JPG = 0xc8,
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JPEG_MARKER_SOF9 = 0xc9,
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JPEG_MARKER_SOF10 = 0xca,
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JPEG_MARKER_SOF11 = 0xcb,
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JPEG_MARKER_DAC = 0xcc,
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JPEG_MARKER_SOF13 = 0xcd,
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JPEG_MARKER_SOF14 = 0xce,
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JPEG_MARKER_SOF15 = 0xcf,
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JPEG_MARKER_RST0 = 0xd0,
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JPEG_MARKER_RST1 = 0xd1,
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JPEG_MARKER_RST2 = 0xd2,
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JPEG_MARKER_RST3 = 0xd3,
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JPEG_MARKER_RST4 = 0xd4,
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JPEG_MARKER_RST5 = 0xd5,
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JPEG_MARKER_RST6 = 0xd6,
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JPEG_MARKER_RST7 = 0xd7,
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JPEG_MARKER_SOI = 0xd8,
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JPEG_MARKER_EOI = 0xd9,
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JPEG_MARKER_SOS = 0xda,
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JPEG_MARKER_DQT = 0xdb,
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JPEG_MARKER_DNL = 0xdc,
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JPEG_MARKER_DRI = 0xdd,
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JPEG_MARKER_DHP = 0xde,
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JPEG_MARKER_EXP = 0xdf,
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JPEG_MARKER_APP0 = 0xe0,
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JPEG_MARKER_APP1 = 0xe1,
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JPEG_MARKER_APP2 = 0xe2,
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JPEG_MARKER_APP3 = 0xe3,
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JPEG_MARKER_APP4 = 0xe4,
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JPEG_MARKER_APP5 = 0xe5,
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JPEG_MARKER_APP6 = 0xe6,
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JPEG_MARKER_APP7 = 0xe7,
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JPEG_MARKER_APP8 = 0xe8,
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JPEG_MARKER_APP9 = 0xe9,
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JPEG_MARKER_APP10 = 0xea,
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JPEG_MARKER_APP11 = 0xeb,
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JPEG_MARKER_APP12 = 0xec,
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JPEG_MARKER_APP13 = 0xed,
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JPEG_MARKER_APP14 = 0xee,
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JPEG_MARKER_APP15 = 0xef,
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JPEG_MARKER_JPG0 = 0xf0,
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JPEG_MARKER_JPG1 = 0xf1,
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JPEG_MARKER_JPG2 = 0xf2,
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JPEG_MARKER_JPG3 = 0xf3,
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JPEG_MARKER_JPG4 = 0xf4,
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JPEG_MARKER_JPG5 = 0xf5,
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JPEG_MARKER_JPG6 = 0xf6,
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JPEG_MARKER_JPG7 = 0xf7,
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JPEG_MARKER_JPG8 = 0xf8,
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JPEG_MARKER_JPG9 = 0xf9,
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JPEG_MARKER_JPG10 = 0xfa,
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JPEG_MARKER_JPG11 = 0xfb,
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JPEG_MARKER_JPG12 = 0xfc,
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JPEG_MARKER_JPG13 = 0xfd,
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JPEG_MARKER_COM = 0xfe
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} exijpeg_segment_t;
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#endif
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@ -1,81 +0,0 @@
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/*
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* EXIF date tool
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*
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* (c) Alexander Vdolainen 2023 <alex@vapaa.xyz>
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*
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* this is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published
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* by the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* this is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.";
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <getopt.h>
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#include <string.h>
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#include <time.h>
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#include <utime.h>
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time_t exifdt_tm(const char *dtbuf)
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{
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struct tm tddt;
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char buf[5], *b = (char *)dtbuf;
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if(!dtbuf) return (time_t) -1;
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if(strlen(dtbuf) < 18) return (time_t) -1;
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memset(&tddt, 0, sizeof(struct tm));
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/* year */
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memset(buf, 0, 5);
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strncpy(buf, dtbuf, 4);
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tddt.tm_year = atoi(buf) - 1900;
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/* month */
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memset(buf, 0, 5);
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b = strchr(b, ':');
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if(!b) return (time_t) -1;
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else b++;
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strncpy(buf, b, 2);
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tddt.tm_mon = atoi(buf) - 1;
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/* day */
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memset(buf, 0, 5);
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b = strchr(b, ':');
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if(!b) return (time_t) -1;
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else b++;
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strncpy(buf, b, 2);
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tddt.tm_mday = atoi(buf);
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/* hour */
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memset(buf, 0, 5);
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b = strchr(b, ' ');
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if(!b) return (time_t) -1;
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else b++;
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strncpy(buf, b, 2);
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tddt.tm_hour = atoi(buf);
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/* minute */
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memset(buf, 0, 5);
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b = strchr(b, ':');
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if(!b) return (time_t) -1;
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else b++;
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strncpy(buf, b, 2);
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tddt.tm_min = atoi(buf);
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/* second */
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memset(buf, 0, 5);
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b = strchr(b, ':');
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if(!b) return (time_t) -1;
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else b++;
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strncpy(buf, b, 2);
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tddt.tm_sec = atoi(buf);
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return mktime(&tddt);
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}
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@ -1,94 +0,0 @@
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/*
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* EXIF date tool
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*
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* (c) Alexander Vdolainen 2023 <alex@vapaa.xyz>
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*
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* this is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published
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* by the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* this is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.";
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include <fcntl.h>
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#include <string.h>
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#include <time.h>
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#include <libexif/exif-data.h>
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#include <include/exijpeg.h>
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#include <include/jpegsegments.h>
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#if 0
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struct exijpeg_segment {
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unsigned char *hd;
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unsigned long length;
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struct exijpeg_segment *next;
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};
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typedef struct __exijpeg_data_type {
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unsigned char *data;
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char *filename;
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size_t length;
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int fd;
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struct exijpeg_segment *segments;
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struct exijpeg_segment *last;
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} exijpeg_data_t;
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#endif
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exijpeg_data_t *exijpeg_data_alloc(void)
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{
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exijpeg_data_t *r = malloc(sizeof(exijpeg_data_t));
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if(r) memset(r, 0, sizeof(exijpeg_data_t));
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return r;
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}
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void exijpeg_data_free(exijpeg_data_t *s)
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{
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struct exijpeg_segment *c = NULL;
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if(!s) return;
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if(s->filename) free(s->filename);
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if(s->segments) {
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for(c = s->segments; c != NULL; c = c->next) free(c);
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}
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return;
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}
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int exijpeg_data_add_segment(exijpeg_data_t *s, unsigned char *d, unsigned long l)
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{
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struct exijpeg_segment *n = NULL;
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if(!s || !d) return -1;
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if(!(n = malloc(sizeof(struct exijpeg_segment)))) return -1;
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else {
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n->hd = d;
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n->length = l;
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n->next = NULL;
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}
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if(!(s->segments)) {
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s->segments = n;
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s->last = n;
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} else {
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s->last->next = n;
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s->last = n;
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}
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return 0;
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}
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