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Lines 14-19
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#include <stdio.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <stdlib.h> |
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#include <png.h> |
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#include <png.h> |
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#include <setjmp.h> |
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#include "img.h" |
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#include "img.h" |
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Lines 67-73
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unsigned char sig_buf [SIG_CHECK_SIZE]; |
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unsigned char sig_buf [SIG_CHECK_SIZE]; |
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png_struct *png_ptr; |
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png_struct *png_ptr; |
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png_info *info_ptr; |
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png_info *info_ptr; |
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png_byte **png_image; |
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png_byte **png_image = NULL; |
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int linesize, x, y; |
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int linesize, x, y; |
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unsigned char *p, *q; |
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unsigned char *p, *q; |
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Lines 85-90
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fprintf (stderr, "cannot allocate LIBPNG structure\n"); |
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fprintf (stderr, "cannot allocate LIBPNG structure\n"); |
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return 0; |
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return 0; |
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} |
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} |
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if (setjmp(png_jmpbuf(png_ptr))) { |
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if (png_image) { |
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for (y = 0 ; y < info_ptr->height ; y++) |
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free (png_image[y]); |
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free (png_image); |
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} |
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png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)NULL); |
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perror("reading file"); |
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return; |
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} |
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info_ptr = png_create_info_struct (png_ptr); |
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info_ptr = png_create_info_struct (png_ptr); |
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if (info_ptr == NULL) { |
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if (info_ptr == NULL) { |
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png_destroy_read_struct (&png_ptr, (png_infopp)NULL, (png_infopp)NULL); |
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png_destroy_read_struct (&png_ptr, (png_infopp)NULL, (png_infopp)NULL); |
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Lines 155-163
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for (y = 0 ; y < info_ptr->height ; y++) |
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for (y = 0 ; y < info_ptr->height ; y++) |
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free (png_image[y]); |
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free (png_image[y]); |
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free (png_image); |
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free (png_image); |
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png_read_destroy (png_ptr, info_ptr, (png_info *)0); |
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png_destroy_read_struct (&png_ptr, &info_ptr, (png_infopp)NULL); |
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free (png_ptr); |
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free (info_ptr); |
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return q; |
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return q; |
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} |
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} |
