55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <libexif/exif-data.h>
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// Prints EXIF entry
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// Requires: pointer to ExifEntry
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// pointer to user_data
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void printExifEntry(ExifEntry *entry, void *user_data) {
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char value[1024];
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// If entry does not exist just quit
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if (!entry) return;
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// Get the value as a string
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exif_entry_get_value(entry, value, sizeof(value));
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if (*value) {
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printf("%s: %s\n", exif_tag_get_name(entry->tag), value);
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}
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}
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// showExif
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// Gets passed content from exif_data_foreach_content
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// calls printExif
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void showExif(ExifContent *content, void *user_data) {
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if (!content) return;
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// Iterate over all entries in the content and print them
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exif_content_foreach_entry(content, printExifEntry, user_data);
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}
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int main(int argc, char *argv[]) {
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ExifData *exifData;
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const char *file;
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if (argc != 2) {
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fprintf(stderr, "Usage: %s <file-path>\n", argv[0]);
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return 1;
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}
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file = argv[1];
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exifData = exif_data_new_from_file(file);
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if (!exifData) {
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fprintf(stderr, "Error: Unable to open file %s\n", file);
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return 1;
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}
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// Iterate over all EXIF contents and print entries
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exif_data_foreach_content(exifData, showExif, NULL);
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// Free the EXIF data
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exif_data_unref(exifData);
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return 0;
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}
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