Searched refs:num_to_check (Results 1 - 4 of 4) sorted by relevance

/vbox/src/libs/libpng-1.2.8/
H A Dpng.c110 png_sig_cmp(png_bytep sig, png_size_t start, png_size_t num_to_check) argument
113 if (num_to_check > 8)
114 num_to_check = 8;
115 else if (num_to_check < 1)
121 if (start + num_to_check > 8)
122 num_to_check = 8 - start;
124 return ((int)(png_memcmp(&sig[start], &png_signature[start], num_to_check)));
H A Dpngpread.c106 num_to_check = 8 - num_checked; local
108 if (png_ptr->buffer_size < num_to_check)
110 num_to_check = png_ptr->buffer_size;
114 num_to_check);
115 png_ptr->sig_bytes = (png_byte)(png_ptr->sig_bytes+num_to_check);
117 if (png_sig_cmp(info_ptr->signature, num_checked, num_to_check))
120 png_sig_cmp(info_ptr->signature, num_checked, num_to_check - 4))
H A Dpngread.c323 num_to_check = 8 - num_checked; local
325 png_read_data(png_ptr, &(info_ptr->signature[num_checked]), num_to_check);
328 if (png_sig_cmp(info_ptr->signature, num_checked, num_to_check))
331 png_sig_cmp(info_ptr->signature, num_checked, num_to_check - 4))
H A Dpng.h1378 /* Check sig[start] through sig[start + num_to_check - 1] to see if it's a
1380 * signature, and non-zero otherwise. Having num_to_check == 0 or
1384 png_size_t num_to_check));

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